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t=this._view;return{x:t.x,y:t.y}}})},{26:26,27:27}],41:[function(t,e,n){"use strict";e.exports={},e.exports.Arc=t(37),e.exports.Line=t(38),e.exports.Point=t(39),e.exports.Rectangle=t(40)},{37:37,38:38,39:39,40:40}],42:[function(t,e,n){"use strict";var i=t(43);n=e.exports={clear:function(t){t.ctx.clearRect(0,0,t.width,t.height)},roundedRect:function(t,e,n,i,a,r){if(r){var o=Math.min(r,a/2-1e-7,i/2-1e-7);t.moveTo(e+o,n),t.lineTo(e+i-o,n),t.arcTo(e+i,n,e+i,n+o,o),t.lineTo(e+i,n+a-o),t.arcTo(e+i,n+a,e+i-o,n+a,o),t.lineTo(e+o,n+a),t.arcTo(e,n+a,e,n+a-o,o),t.lineTo(e,n+o),t.arcTo(e,n,e+o,n,o),t.closePath(),t.moveTo(e,n)}else t.rect(e,n,i,a)},drawPoint:function(t,e,n,i,a,r){var o,s,l,u,d,h;if(r=r||0,!e||"object"!=typeof e||"[object HTMLImageElement]"!==(o=e.toString())&&"[object 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t.drawImage(e,i-e.width/2,a-e.height/2,e.width,e.height)},clipArea:function(t,e){t.save(),t.beginPath(),t.rect(e.left,e.top,e.right-e.left,e.bottom-e.top),t.clip()},unclipArea:function(t){t.restore()},lineTo:function(t,e,n,i){if(n.steppedLine)return"after"===n.steppedLine&&!i||"after"!==n.steppedLine&&i?t.lineTo(e.x,n.y):t.lineTo(n.x,e.y),void t.lineTo(n.x,n.y);n.tension?t.bezierCurveTo(i?e.controlPointPreviousX:e.controlPointNextX,i?e.controlPointPreviousY:e.controlPointNextY,i?n.controlPointNextX:n.controlPointPreviousX,i?n.controlPointNextY:n.controlPointPreviousY,n.x,n.y):t.lineTo(n.x,n.y)}};i.clear=n.clear,i.drawRoundedRectangle=function(t){t.beginPath(),n.roundedRect.apply(n,arguments)}},{43:43}],43:[function(t,e,n){"use strict";var i,d={noop:function(){},uid:(i=0,function(){return i++}),isNullOrUndef:function(t){return null==t},isArray:Array.isArray?Array.isArray:function(t){return"[object Array]"===Object.prototype.toString.call(t)},isObject:function(t){return 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i=this,t=i.options,a=t.labels,e=t.display,r=i.ctx,n=D.global,o=C.valueOrDefault,s=o(a.fontSize,n.defaultFontSize),l=o(a.fontStyle,n.defaultFontStyle),u=o(a.fontFamily,n.defaultFontFamily),d=C.fontString(s,l,u),h=i.legendHitBoxes=[],c=i.minSize,f=i.isHorizontal();if(c.height=f?(c.width=i.maxWidth,e?10:0):(c.width=e?10:0,i.maxHeight),e)if(r.font=d,f){var g=i.lineWidths=[0],m=i.legendItems.length?s+a.padding:0;r.textAlign="left",r.textBaseline="top",C.each(i.legendItems,function(t,e){var n=P(a,s)+s/2+r.measureText(t.text).width;g[g.length-1]+n+a.padding>=i.width&&(m+=s+a.padding,g[g.length]=i.left),h[e]={left:0,top:0,width:n,height:s},g[g.length-1]+=n+a.padding}),c.height+=m}else{var p=a.padding,v=i.columnWidths=[],b=a.padding,y=0,x=0,_=s+p;C.each(i.legendItems,function(t,e){var n=P(a,s)+s/2+r.measureText(t.text).width;x+_>c.height&&(b+=y+a.padding,v.push(y),x=y=0),y=Math.max(y,n),x+=_,h[e]={left:0,top:0,width:n,height:s}}),b+=y,v.push(y),c.width+=b}i.width=c.width,i.height=c.height},afterFit:r,isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},draw:function(){var h=this,c=h.options,f=c.labels,g=D.global,m=g.elements.line,p=h.width,v=h.lineWidths;if(c.display){var b,y=h.ctx,x=C.valueOrDefault,t=x(f.fontColor,g.defaultFontColor),_=x(f.fontSize,g.defaultFontSize),e=x(f.fontStyle,g.defaultFontStyle),n=x(f.fontFamily,g.defaultFontFamily),i=C.fontString(_,e,n);y.textAlign="left",y.textBaseline="middle",y.lineWidth=.5,y.strokeStyle=t,y.fillStyle=t,y.font=i;var k=P(f,_),w=h.legendHitBoxes,M=h.isHorizontal();b=M?{x:h.left+(p-v[0])/2,y:h.top+f.padding,line:0}:{x:h.left+f.padding,y:h.top+f.padding,line:0};var S=_+f.padding;C.each(h.legendItems,function(t,e){var n,i,a,r,o,s=y.measureText(t.text).width,l=k+_/2+s,u=b.x,d=b.y;M?p<=u+l&&(d=b.y+=S,b.line++,u=b.x=h.left+(p-v[b.line])/2):d+S>h.bottom&&(u=b.x=u+h.columnWidths[b.line]+f.padding,d=b.y=h.top+f.padding,b.line++),function(t,e,n){if(!(isNaN(k)||k<=0)){y.save(),y.fillStyle=x(n.fillStyle,g.defaultColor),y.lineCap=x(n.lineCap,m.borderCapStyle),y.lineDashOffset=x(n.lineDashOffset,m.borderDashOffset),y.lineJoin=x(n.lineJoin,m.borderJoinStyle),y.lineWidth=x(n.lineWidth,m.borderWidth),y.strokeStyle=x(n.strokeStyle,g.defaultColor);var i=0===x(n.lineWidth,m.borderWidth);if(y.setLineDash&&y.setLineDash(x(n.lineDash,m.borderDash)),c.labels&&c.labels.usePointStyle){var a=_*Math.SQRT2/2,r=a/Math.SQRT2,o=t+r,s=e+r;C.canvas.drawPoint(y,n.pointStyle,a,o,s)}else i||y.strokeRect(t,e,k,_),y.fillRect(t,e,k,_);y.restore()}}(u,d,t),w[e].left=u,w[e].top=d,n=t,i=s,r=k+(a=_/2)+u,o=d+a,y.fillText(n.text,r,o),n.hidden&&(y.beginPath(),y.lineWidth=2,y.moveTo(r,o),y.lineTo(r+i,o),y.stroke()),M?b.x+=l+f.padding:b.y+=S})}},handleEvent:function(t){var e=this,n=e.options,i="mouseup"===t.type?"click":t.type,a=!1;if("mousemove"===i){if(!n.onHover)return}else{if("click"!==i)return;if(!n.onClick)return}var r=t.x,o=t.y;if(r>=e.left&&r<=e.right&&o>=e.top&&o<=e.bottom)for(var s=e.legendHitBoxes,l=0;l=u.left&&r<=u.left+u.width&&o>=u.top&&o<=u.top+u.height){if("click"===i){n.onClick.call(e,t.native,e.legendItems[l]),a=!0;break}if("mousemove"===i){n.onHover.call(e,t.native,e.legendItems[l]),a=!0;break}}}return a}});function s(t,e){var n=new o({ctx:t.ctx,options:e,chart:t});a.configure(t,n,e),a.addBox(t,n),t.legend=n}e.exports={id:"legend",_element:o,beforeInit:function(t){var e=t.options.legend;e&&s(t,e)},beforeUpdate:function(t){var e=t.options.legend,n=t.legend;e?(C.mergeIf(e,D.global.legend),n?(a.configure(t,n,e),n.options=e):s(t,e)):n&&(a.removeBox(t,n),delete t.legend)},afterEvent:function(t,e){var n=t.legend;n&&n.handleEvent(e)}}},{26:26,27:27,31:31,46:46}],53:[function(t,e,n){"use strict";var _=t(26),i=t(27),k=t(46),a=t(31),r=k.noop;_._set("global",{title:{display:!1,fontStyle:"bold",fullWidth:!0,lineHeight:1.2,padding:10,position:"top",text:"",weight:2e3}});var o=i.extend({initialize:function(t){k.extend(this,t),this.legendHitBoxes=[]},beforeUpdate:r,update:function(t,e,n){var i=this;return i.beforeUpdate(),i.maxWidth=t,i.maxHeight=e,i.margins=n,i.beforeSetDimensions(),i.setDimensions(),i.afterSetDimensions(),i.beforeBuildLabels(),i.buildLabels(),i.afterBuildLabels(),i.beforeFit(),i.fit(),i.afterFit(),i.afterUpdate(),i.minSize},afterUpdate:r,beforeSetDimensions:r,setDimensions:function(){var t=this;t.isHorizontal()?(t.width=t.maxWidth,t.left=0,t.right=t.width):(t.height=t.maxHeight,t.top=0,t.bottom=t.height),t.paddingLeft=0,t.paddingTop=0,t.paddingRight=0,t.paddingBottom=0,t.minSize={width:0,height:0}},afterSetDimensions:r,beforeBuildLabels:r,buildLabels:r,afterBuildLabels:r,beforeFit:r,fit:function(){var t=k.valueOrDefault,e=this.options,n=e.display,i=t(e.fontSize,_.global.defaultFontSize),a=this.minSize,r=k.isArray(e.text)?e.text.length:1,o=k.options.toLineHeight(e.lineHeight,i),s=n?r*o+2*e.padding:0;this.isHorizontal()?(a.width=this.maxWidth,a.height=s):(a.width=s,a.height=this.maxHeight),this.width=a.width,this.height=a.height},afterFit:r,isHorizontal:function(){var t=this.options.position;return"top"===t||"bottom"===t},draw:function(){var t=this.ctx,e=k.valueOrDefault,n=this.options,i=_.global;if(n.display){var a,r,o,s=e(n.fontSize,i.defaultFontSize),l=e(n.fontStyle,i.defaultFontStyle),u=e(n.fontFamily,i.defaultFontFamily),d=k.fontString(s,l,u),h=k.options.toLineHeight(n.lineHeight,s),c=h/2+n.padding,f=0,g=this.top,m=this.left,p=this.bottom,v=this.right;t.fillStyle=e(n.fontColor,i.defaultFontColor),t.font=d,this.isHorizontal()?(r=m+(v-m)/2,o=g+c,a=v-m):(r="left"===n.position?m+c:v-c,o=g+(p-g)/2,a=p-g,f=Math.PI*("left"===n.position?-.5:.5)),t.save(),t.translate(r,o),t.rotate(f),t.textAlign="center",t.textBaseline="middle";var b=n.text;if(k.isArray(b))for(var y=0,x=0;xo.max&&(o.max=n))})});o.min=isFinite(o.min)&&!isNaN(o.min)?o.min:0,o.max=isFinite(o.max)&&!isNaN(o.max)?o.max:1,this.handleTickRangeOptions()},getTickLimit:function(){var t,e=this.options.ticks;if(this.isHorizontal())t=Math.min(e.maxTicksLimit?e.maxTicksLimit:11,Math.ceil(this.width/50));else{var n=h.valueOrDefault(e.fontSize,i.global.defaultFontSize);t=Math.min(e.maxTicksLimit?e.maxTicksLimit:11,Math.ceil(this.height/(2*n)))}return t},handleDirectionalChanges:function(){this.isHorizontal()||this.ticks.reverse()},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},getPixelForValue:function(t){var e=this.start,n=+this.getRightValue(t),i=this.end-e;return this.isHorizontal()?this.left+this.width/i*(n-e):this.bottom-this.height/i*(n-e)},getValueForPixel:function(t){var e=this.isHorizontal(),n=e?this.width:this.height,i=(e?t-this.left:this.bottom-t)/n;return this.start+(this.end-this.start)*i},getPixelForTick:function(t){return this.getPixelForValue(this.ticksAsNumbers[t])}});a.registerScaleType("linear",n,e)}},{26:26,34:34,35:35,46:46}],56:[function(t,e,n){"use strict";var h=t(46),i=t(33);e.exports=function(t){var e=h.noop;t.LinearScaleBase=i.extend({getRightValue:function(t){return"string"==typeof t?+t:i.prototype.getRightValue.call(this,t)},handleTickRangeOptions:function(){var t=this,e=t.options.ticks;if(e.beginAtZero){var n=h.sign(t.min),i=h.sign(t.max);n<0&&i<0?t.max=0:0=t.max&&(a?t.max=t.min+1:t.min=t.max-1),t.min===t.max&&(t.max++,e.beginAtZero||t.min--)},getTickLimit:e,handleDirectionalChanges:e,buildTicks:function(){var t=this,e=t.options.ticks,n=t.getTickLimit(),i={maxTicks:n=Math.max(2,n),min:e.min,max:e.max,precision:e.precision,stepSize:h.valueOrDefault(e.fixedStepSize,e.stepSize)},a=t.ticks=function(t,e){var n,i,a,r=[];if(t.stepSize&&0o.max&&(o.max=n),0!==n&&(null===o.minNotZero||no.r&&(o.r=g.end,s.r=c),m.starto.b&&(o.b=m.end,s.b=c)}t.setReductions(r,o,s)}(this):(t=this,e=Math.min(t.height/2,t.width/2),t.drawingArea=Math.round(e),t.setCenterPoint(0,0,0,0))},setReductions:function(t,e,n){var i=e.l/Math.sin(n.l),a=Math.max(e.r-this.width,0)/Math.sin(n.r),r=-e.t/Math.cos(n.t),o=-Math.max(e.b-this.height,0)/Math.cos(n.b);i=s(i),a=s(a),r=s(r),o=s(o),this.drawingArea=Math.min(Math.round(t-(i+a)/2),Math.round(t-(r+o)/2)),this.setCenterPoint(i,a,r,o)},setCenterPoint:function(t,e,n,i){var a=this,r=a.width-e-a.drawingArea,o=t+a.drawingArea,s=n+a.drawingArea,l=a.height-i-a.drawingArea;a.xCenter=Math.round((o+r)/2+a.left),a.yCenter=Math.round((s+l)/2+a.top)},getIndexAngle:function(t){return t*(2*Math.PI/b(this))+(this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){if(null===t)return 0;var e=this.drawingArea/(this.max-this.min);return this.options.ticks.reverse?(this.max-t)*e:(t-this.min)*e},getPointPosition:function(t,e){var n=this.getIndexAngle(t)-Math.PI/2;return{x:Math.round(Math.cos(n)*e)+this.xCenter,y:Math.round(Math.sin(n)*e)+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(){var t=this.min,e=this.max;return this.getPointPositionForValue(0,this.beginAtZero?0:t<0&&e<0?e:0>1)-1]||null,r=t[i],!a)return{lo:null,hi:r};if(r[e]n))return{lo:a,hi:r};s=i-1}}return{lo:r,hi:null}}(t,e,n),r=a.lo?a.hi?a.lo:t[t.length-2]:t[0],o=a.lo?a.hi?a.hi:t[t.length-1]:t[1],s=o[e]-r[e],l=s?(n-r[e])/s:0,u=(o[i]-r[i])*l;return r[i]+u}function M(t,e){var n=e.parser,i=e.parser||e.format;return"function"==typeof n?n(t):"string"==typeof t&&"string"==typeof i?y(t,i):(t instanceof y||(t=y(t)),t.isValid()?t:"function"==typeof i?i(t):t)}function S(t,e){if(p.isNullOrUndef(t))return null;var n=e.options.time,i=M(e.getRightValue(t),n);return i.isValid()?(n.round&&i.startOf(n.round),i.valueOf()):null}function D(t){for(var e=_.indexOf(t)+1,n=_.length;e=_.indexOf(e);a--)if(r=_[a],x[r].common&&o.as(r)>=t.length)return r;return _[e?_.indexOf(e):0]}(b,p.minUnit,c.min,c.max),c._majorUnit=D(c._unit),c._table=function(t,e,n,i){if("linear"===i||!t.length)return[{time:e,pos:0},{time:n,pos:1}];var a,r,o,s,l,u=[],d=[e];for(a=0,r=t.length;a lum2) { - return (lum1 + 0.05) / (lum2 + 0.05); - } - return (lum2 + 0.05) / (lum1 + 0.05); - }, - - level: function (color2) { - var contrastRatio = this.contrast(color2); - if (contrastRatio >= 7.1) { - return 'AAA'; - } - - return (contrastRatio >= 4.5) ? 'AA' : ''; - }, - - dark: function () { - // YIQ equation from http://24ways.org/2010/calculating-color-contrast - var rgb = this.values.rgb; - var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; - return yiq < 128; - }, - - light: function () { - return !this.dark(); - }, - - negate: function () { - var rgb = []; - for (var i = 0; i < 3; i++) { - rgb[i] = 255 - this.values.rgb[i]; - } - this.setValues('rgb', rgb); - return this; - }, - - lighten: function (ratio) { - var hsl = this.values.hsl; - hsl[2] += hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - darken: function (ratio) { - var hsl = this.values.hsl; - hsl[2] -= hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - saturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] += hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - desaturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] -= hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - whiten: function (ratio) { - var hwb = this.values.hwb; - hwb[1] += hwb[1] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - blacken: function (ratio) { - var hwb = this.values.hwb; - hwb[2] += hwb[2] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - greyscale: function () { - var rgb = this.values.rgb; - // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale - var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; - this.setValues('rgb', [val, val, val]); - return this; - }, - - clearer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha - (alpha * ratio)); - return this; - }, - - opaquer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha + (alpha * ratio)); - return this; - }, - - rotate: function (degrees) { - var hsl = this.values.hsl; - var hue = (hsl[0] + degrees) % 360; - hsl[0] = hue < 0 ? 360 + hue : hue; - this.setValues('hsl', hsl); - return this; - }, - - /** - * Ported from sass implementation in C - * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 - */ - mix: function (mixinColor, weight) { - var color1 = this; - var color2 = mixinColor; - var p = weight === undefined ? 0.5 : weight; - - var w = 2 * p - 1; - var a = color1.alpha() - color2.alpha(); - - var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - return this - .rgb( - w1 * color1.red() + w2 * color2.red(), - w1 * color1.green() + w2 * color2.green(), - w1 * color1.blue() + w2 * color2.blue() - ) - .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); - }, - - toJSON: function () { - return this.rgb(); - }, - - clone: function () { - // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, - // making the final build way to big to embed in Chart.js. So let's do it manually, - // assuming that values to clone are 1 dimension arrays containing only numbers, - // except 'alpha' which is a number. - var result = new Color(); - var source = this.values; - var target = result.values; - var value, type; - - for (var prop in source) { - if (source.hasOwnProperty(prop)) { - value = source[prop]; - type = ({}).toString.call(value); - if (type === '[object Array]') { - target[prop] = value.slice(0); - } else if (type === '[object Number]') { - target[prop] = value; - } else { - console.error('unexpected color value:', value); - } - } - } - - return result; - } - }; - - Color.prototype.spaces = { - rgb: ['red', 'green', 'blue'], - hsl: ['hue', 'saturation', 'lightness'], - hsv: ['hue', 'saturation', 'value'], - hwb: ['hue', 'whiteness', 'blackness'], - cmyk: ['cyan', 'magenta', 'yellow', 'black'] - }; - - Color.prototype.maxes = { - rgb: [255, 255, 255], - hsl: [360, 100, 100], - hsv: [360, 100, 100], - hwb: [360, 100, 100], - cmyk: [100, 100, 100, 100] - }; - - Color.prototype.getValues = function (space) { - var values = this.values; - var vals = {}; - - for (var i = 0; i < space.length; i++) { - vals[space.charAt(i)] = values[space][i]; - } - - if (values.alpha !== 1) { - vals.a = values.alpha; - } - - // {r: 255, g: 255, b: 255, a: 0.4} - return vals; - }; - - Color.prototype.setValues = function (space, vals) { - var values = this.values; - var spaces = this.spaces; - var maxes = this.maxes; - var alpha = 1; - var i; - - this.valid = true; - - if (space === 'alpha') { - alpha = vals; - } else if (vals.length) { - // [10, 10, 10] - values[space] = vals.slice(0, space.length); - alpha = vals[space.length]; - } else if (vals[space.charAt(0)] !== undefined) { - // {r: 10, g: 10, b: 10} - for (i = 0; i < space.length; i++) { - values[space][i] = vals[space.charAt(i)]; - } - - alpha = vals.a; - } else if (vals[spaces[space][0]] !== undefined) { - // {red: 10, green: 10, blue: 10} - var chans = spaces[space]; - - for (i = 0; i < space.length; i++) { - values[space][i] = vals[chans[i]]; - } - - alpha = vals.alpha; - } - - values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); - - if (space === 'alpha') { +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i lum2) { + return (lum1 + 0.05) / (lum2 + 0.05); + } + return (lum2 + 0.05) / (lum1 + 0.05); + }, + + level: function (color2) { + var contrastRatio = this.contrast(color2); + if (contrastRatio >= 7.1) { + return 'AAA'; + } + + return (contrastRatio >= 4.5) ? 'AA' : ''; + }, + + dark: function () { + // YIQ equation from http://24ways.org/2010/calculating-color-contrast + var rgb = this.values.rgb; + var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; + return yiq < 128; + }, + + light: function () { + return !this.dark(); + }, + + negate: function () { + var rgb = []; + for (var i = 0; i < 3; i++) { + rgb[i] = 255 - this.values.rgb[i]; + } + this.setValues('rgb', rgb); + return this; + }, + + lighten: function (ratio) { + var hsl = this.values.hsl; + hsl[2] += hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + darken: function (ratio) { + var hsl = this.values.hsl; + hsl[2] -= hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + saturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] += hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + desaturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] -= hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + whiten: function (ratio) { + var hwb = this.values.hwb; + hwb[1] += hwb[1] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + blacken: function (ratio) { + var hwb = this.values.hwb; + hwb[2] += hwb[2] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + greyscale: function () { + var rgb = this.values.rgb; + // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale + var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; + this.setValues('rgb', [val, val, val]); + return this; + }, + + clearer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha - (alpha * ratio)); + return this; + }, + + opaquer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha + (alpha * ratio)); + return this; + }, + + rotate: function (degrees) { + var hsl = this.values.hsl; + var hue = (hsl[0] + degrees) % 360; + hsl[0] = hue < 0 ? 360 + hue : hue; + this.setValues('hsl', hsl); + return this; + }, + + /** + * Ported from sass implementation in C + * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 + */ + mix: function (mixinColor, weight) { + var color1 = this; + var color2 = mixinColor; + var p = weight === undefined ? 0.5 : weight; + + var w = 2 * p - 1; + var a = color1.alpha() - color2.alpha(); + + var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + var w2 = 1 - w1; + + return this + .rgb( + w1 * color1.red() + w2 * color2.red(), + w1 * color1.green() + w2 * color2.green(), + w1 * color1.blue() + w2 * color2.blue() + ) + .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); + }, + + toJSON: function () { + return this.rgb(); + }, + + clone: function () { + // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, + // making the final build way to big to embed in Chart.js. So let's do it manually, + // assuming that values to clone are 1 dimension arrays containing only numbers, + // except 'alpha' which is a number. + var result = new Color(); + var source = this.values; + var target = result.values; + var value, type; + + for (var prop in source) { + if (source.hasOwnProperty(prop)) { + value = source[prop]; + type = ({}).toString.call(value); + if (type === '[object Array]') { + target[prop] = value.slice(0); + } else if (type === '[object Number]') { + target[prop] = value; + } else { + console.error('unexpected color value:', value); + } + } + } + + return result; + } +}; + +Color.prototype.spaces = { + rgb: ['red', 'green', 'blue'], + hsl: ['hue', 'saturation', 'lightness'], + hsv: ['hue', 'saturation', 'value'], + hwb: ['hue', 'whiteness', 'blackness'], + cmyk: ['cyan', 'magenta', 'yellow', 'black'] +}; + +Color.prototype.maxes = { + rgb: [255, 255, 255], + hsl: [360, 100, 100], + hsv: [360, 100, 100], + hwb: [360, 100, 100], + cmyk: [100, 100, 100, 100] +}; + +Color.prototype.getValues = function (space) { + var values = this.values; + var vals = {}; + + for (var i = 0; i < space.length; i++) { + vals[space.charAt(i)] = values[space][i]; + } + + if (values.alpha !== 1) { + vals.a = values.alpha; + } + + // {r: 255, g: 255, b: 255, a: 0.4} + return vals; +}; + +Color.prototype.setValues = function (space, vals) { + var values = this.values; + var spaces = this.spaces; + var maxes = this.maxes; + var alpha = 1; + var i; + + this.valid = true; + + if (space === 'alpha') { + alpha = vals; + } else if (vals.length) { + // [10, 10, 10] + values[space] = vals.slice(0, space.length); + alpha = vals[space.length]; + } else if (vals[space.charAt(0)] !== undefined) { + // {r: 10, g: 10, b: 10} + for (i = 0; i < space.length; i++) { + values[space][i] = vals[space.charAt(i)]; + } + + alpha = vals.a; + } else if (vals[spaces[space][0]] !== undefined) { + // {red: 10, green: 10, blue: 10} + var chans = spaces[space]; + + for (i = 0; i < space.length; i++) { + values[space][i] = vals[chans[i]]; + } + + alpha = vals.alpha; + } + + values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); + + if (space === 'alpha') { + return false; + } + + var capped; + + // cap values of the space prior converting all values + for (i = 0; i < space.length; i++) { + capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); + values[space][i] = Math.round(capped); + } + + // convert to all the other color spaces + for (var sname in spaces) { + if (sname !== space) { + values[sname] = convert[space][sname](values[space]); + } + } + + return true; +}; + +Color.prototype.setSpace = function (space, args) { + var vals = args[0]; + + if (vals === undefined) { + // color.rgb() + return this.getValues(space); + } + + // color.rgb(10, 10, 10) + if (typeof vals === 'number') { + vals = Array.prototype.slice.call(args); + } + + this.setValues(space, vals); + return this; +}; + +Color.prototype.setChannel = function (space, index, val) { + var svalues = this.values[space]; + if (val === undefined) { + // color.red() + return svalues[index]; + } else if (val === svalues[index]) { + // color.red(color.red()) + return this; + } + + // color.red(100) + svalues[index] = val; + this.setValues(space, svalues); + + return this; +}; + +if (typeof window !== 'undefined') { + window.Color = Color; +} + +module.exports = Color; + +},{"1":1,"4":4}],3:[function(require,module,exports){ +/* MIT license */ + +module.exports = { + rgb2hsl: rgb2hsl, + rgb2hsv: rgb2hsv, + rgb2hwb: rgb2hwb, + rgb2cmyk: rgb2cmyk, + rgb2keyword: rgb2keyword, + rgb2xyz: rgb2xyz, + rgb2lab: rgb2lab, + rgb2lch: rgb2lch, + + hsl2rgb: hsl2rgb, + hsl2hsv: hsl2hsv, + hsl2hwb: hsl2hwb, + hsl2cmyk: hsl2cmyk, + hsl2keyword: hsl2keyword, + + hsv2rgb: hsv2rgb, + hsv2hsl: hsv2hsl, + hsv2hwb: hsv2hwb, + hsv2cmyk: hsv2cmyk, + hsv2keyword: hsv2keyword, + + hwb2rgb: hwb2rgb, + hwb2hsl: hwb2hsl, + hwb2hsv: hwb2hsv, + hwb2cmyk: hwb2cmyk, + hwb2keyword: hwb2keyword, + + cmyk2rgb: cmyk2rgb, + cmyk2hsl: cmyk2hsl, + cmyk2hsv: cmyk2hsv, + cmyk2hwb: cmyk2hwb, + cmyk2keyword: cmyk2keyword, + + keyword2rgb: keyword2rgb, + keyword2hsl: keyword2hsl, + keyword2hsv: keyword2hsv, + keyword2hwb: keyword2hwb, + keyword2cmyk: keyword2cmyk, + keyword2lab: keyword2lab, + keyword2xyz: keyword2xyz, + + xyz2rgb: xyz2rgb, + xyz2lab: xyz2lab, + xyz2lch: xyz2lch, + + lab2xyz: lab2xyz, + lab2rgb: lab2rgb, + lab2lch: lab2lch, + + lch2lab: lch2lab, + lch2xyz: lch2xyz, + lch2rgb: lch2rgb +} + + +function rgb2hsl(rgb) { + var r = rgb[0]/255, + g = rgb[1]/255, + b = rgb[2]/255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s, l; + + if (max == min) + h = 0; + else if (r == max) + h = (g - b) / delta; + else if (g == max) + h = 2 + (b - r) / delta; + else if (b == max) + h = 4 + (r - g)/ delta; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + l = (min + max) / 2; + + if (max == min) + s = 0; + else if (l <= 0.5) + s = delta / (max + min); + else + s = delta / (2 - max - min); + + return [h, s * 100, l * 100]; +} + +function rgb2hsv(rgb) { + var r = rgb[0], + g = rgb[1], + b = rgb[2], + min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s, v; + + if (max == 0) + s = 0; + else + s = (delta/max * 1000)/10; + + if (max == min) + h = 0; + else if (r == max) + h = (g - b) / delta; + else if (g == max) + h = 2 + (b - r) / delta; + else if (b == max) + h = 4 + (r - g) / delta; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + v = ((max / 255) * 1000) / 10; + + return [h, s, v]; +} + +function rgb2hwb(rgb) { + var r = rgb[0], + g = rgb[1], + b = rgb[2], + h = rgb2hsl(rgb)[0], + w = 1/255 * Math.min(r, Math.min(g, b)), + b = 1 - 1/255 * Math.max(r, Math.max(g, b)); + + return [h, w * 100, b * 100]; +} + +function rgb2cmyk(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255, + c, m, y, k; + + k = Math.min(1 - r, 1 - g, 1 - b); + c = (1 - r - k) / (1 - k) || 0; + m = (1 - g - k) / (1 - k) || 0; + y = (1 - b - k) / (1 - k) || 0; + return [c * 100, m * 100, y * 100, k * 100]; +} + +function rgb2keyword(rgb) { + return reverseKeywords[JSON.stringify(rgb)]; +} + +function rgb2xyz(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255; + + // assume sRGB + r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); + g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); + b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); + + var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); + var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); + var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); + + return [x * 100, y *100, z * 100]; +} + +function rgb2lab(rgb) { + var xyz = rgb2xyz(rgb), + x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +} + +function rgb2lch(args) { + return lab2lch(rgb2lab(args)); +} + +function hsl2rgb(hsl) { + var h = hsl[0] / 360, + s = hsl[1] / 100, + l = hsl[2] / 100, + t1, t2, t3, rgb, val; + + if (s == 0) { + val = l * 255; + return [val, val, val]; + } + + if (l < 0.5) + t2 = l * (1 + s); + else + t2 = l + s - l * s; + t1 = 2 * l - t2; + + rgb = [0, 0, 0]; + for (var i = 0; i < 3; i++) { + t3 = h + 1 / 3 * - (i - 1); + t3 < 0 && t3++; + t3 > 1 && t3--; + + if (6 * t3 < 1) + val = t1 + (t2 - t1) * 6 * t3; + else if (2 * t3 < 1) + val = t2; + else if (3 * t3 < 2) + val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; + else + val = t1; + + rgb[i] = val * 255; + } + + return rgb; +} + +function hsl2hsv(hsl) { + var h = hsl[0], + s = hsl[1] / 100, + l = hsl[2] / 100, + sv, v; + + if(l === 0) { + // no need to do calc on black + // also avoids divide by 0 error + return [0, 0, 0]; + } + + l *= 2; + s *= (l <= 1) ? l : 2 - l; + v = (l + s) / 2; + sv = (2 * s) / (l + s); + return [h, sv * 100, v * 100]; +} + +function hsl2hwb(args) { + return rgb2hwb(hsl2rgb(args)); +} + +function hsl2cmyk(args) { + return rgb2cmyk(hsl2rgb(args)); +} + +function hsl2keyword(args) { + return rgb2keyword(hsl2rgb(args)); +} + + +function hsv2rgb(hsv) { + var h = hsv[0] / 60, + s = hsv[1] / 100, + v = hsv[2] / 100, + hi = Math.floor(h) % 6; + + var f = h - Math.floor(h), + p = 255 * v * (1 - s), + q = 255 * v * (1 - (s * f)), + t = 255 * v * (1 - (s * (1 - f))), + v = 255 * v; + + switch(hi) { + case 0: + return [v, t, p]; + case 1: + return [q, v, p]; + case 2: + return [p, v, t]; + case 3: + return [p, q, v]; + case 4: + return [t, p, v]; + case 5: + return [v, p, q]; + } +} + +function hsv2hsl(hsv) { + var h = hsv[0], + s = hsv[1] / 100, + v = hsv[2] / 100, + sl, l; + + l = (2 - s) * v; + sl = s * v; + sl /= (l <= 1) ? l : 2 - l; + sl = sl || 0; + l /= 2; + return [h, sl * 100, l * 100]; +} + +function hsv2hwb(args) { + return rgb2hwb(hsv2rgb(args)) +} + +function hsv2cmyk(args) { + return rgb2cmyk(hsv2rgb(args)); +} + +function hsv2keyword(args) { + return rgb2keyword(hsv2rgb(args)); +} + +// http://dev.w3.org/csswg/css-color/#hwb-to-rgb +function hwb2rgb(hwb) { + var h = hwb[0] / 360, + wh = hwb[1] / 100, + bl = hwb[2] / 100, + ratio = wh + bl, + i, v, f, n; + + // wh + bl cant be > 1 + if (ratio > 1) { + wh /= ratio; + bl /= ratio; + } + + i = Math.floor(6 * h); + v = 1 - bl; + f = 6 * h - i; + if ((i & 0x01) != 0) { + f = 1 - f; + } + n = wh + f * (v - wh); // linear interpolation + + switch (i) { + default: + case 6: + case 0: r = v; g = n; b = wh; break; + case 1: r = n; g = v; b = wh; break; + case 2: r = wh; g = v; b = n; break; + case 3: r = wh; g = n; b = v; break; + case 4: r = n; g = wh; b = v; break; + case 5: r = v; g = wh; b = n; break; + } + + return [r * 255, g * 255, b * 255]; +} + +function hwb2hsl(args) { + return rgb2hsl(hwb2rgb(args)); +} + +function hwb2hsv(args) { + return rgb2hsv(hwb2rgb(args)); +} + +function hwb2cmyk(args) { + return rgb2cmyk(hwb2rgb(args)); +} + +function hwb2keyword(args) { + return rgb2keyword(hwb2rgb(args)); +} + +function cmyk2rgb(cmyk) { + var c = cmyk[0] / 100, + m = cmyk[1] / 100, + y = cmyk[2] / 100, + k = cmyk[3] / 100, + r, g, b; + + r = 1 - Math.min(1, c * (1 - k) + k); + g = 1 - Math.min(1, m * (1 - k) + k); + b = 1 - Math.min(1, y * (1 - k) + k); + return [r * 255, g * 255, b * 255]; +} + +function cmyk2hsl(args) { + return rgb2hsl(cmyk2rgb(args)); +} + +function cmyk2hsv(args) { + return rgb2hsv(cmyk2rgb(args)); +} + +function cmyk2hwb(args) { + return rgb2hwb(cmyk2rgb(args)); +} + +function cmyk2keyword(args) { + return rgb2keyword(cmyk2rgb(args)); +} + + +function xyz2rgb(xyz) { + var x = xyz[0] / 100, + y = xyz[1] / 100, + z = xyz[2] / 100, + r, g, b; + + r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); + g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); + b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); + + // assume sRGB + r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) + : r = (r * 12.92); + + g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) + : g = (g * 12.92); + + b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) + : b = (b * 12.92); + + r = Math.min(Math.max(0, r), 1); + g = Math.min(Math.max(0, g), 1); + b = Math.min(Math.max(0, b), 1); + + return [r * 255, g * 255, b * 255]; +} + +function xyz2lab(xyz) { + var x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +} + +function xyz2lch(args) { + return lab2lch(xyz2lab(args)); +} + +function lab2xyz(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + x, y, z, y2; + + if (l <= 8) { + y = (l * 100) / 903.3; + y2 = (7.787 * (y / 100)) + (16 / 116); + } else { + y = 100 * Math.pow((l + 16) / 116, 3); + y2 = Math.pow(y / 100, 1/3); + } + + x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); + + z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); + + return [x, y, z]; +} + +function lab2lch(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + hr, h, c; + + hr = Math.atan2(b, a); + h = hr * 360 / 2 / Math.PI; + if (h < 0) { + h += 360; + } + c = Math.sqrt(a * a + b * b); + return [l, c, h]; +} + +function lab2rgb(args) { + return xyz2rgb(lab2xyz(args)); +} + +function lch2lab(lch) { + var l = lch[0], + c = lch[1], + h = lch[2], + a, b, hr; + + hr = h / 360 * 2 * Math.PI; + a = c * Math.cos(hr); + b = c * Math.sin(hr); + return [l, a, b]; +} + +function lch2xyz(args) { + return lab2xyz(lch2lab(args)); +} + +function lch2rgb(args) { + return lab2rgb(lch2lab(args)); +} + +function keyword2rgb(keyword) { + return cssKeywords[keyword]; +} + +function keyword2hsl(args) { + return rgb2hsl(keyword2rgb(args)); +} + +function keyword2hsv(args) { + return rgb2hsv(keyword2rgb(args)); +} + +function keyword2hwb(args) { + return rgb2hwb(keyword2rgb(args)); +} + +function keyword2cmyk(args) { + return rgb2cmyk(keyword2rgb(args)); +} + +function keyword2lab(args) { + return rgb2lab(keyword2rgb(args)); +} + +function keyword2xyz(args) { + return rgb2xyz(keyword2rgb(args)); +} + +var cssKeywords = { + aliceblue: [240,248,255], + antiquewhite: [250,235,215], + aqua: [0,255,255], + aquamarine: [127,255,212], + azure: [240,255,255], + beige: [245,245,220], + bisque: [255,228,196], + black: [0,0,0], + blanchedalmond: [255,235,205], + blue: [0,0,255], + blueviolet: [138,43,226], + brown: [165,42,42], + burlywood: [222,184,135], + cadetblue: [95,158,160], + chartreuse: [127,255,0], + chocolate: [210,105,30], + coral: [255,127,80], + cornflowerblue: [100,149,237], + cornsilk: [255,248,220], + crimson: [220,20,60], + cyan: [0,255,255], + darkblue: [0,0,139], + darkcyan: [0,139,139], + darkgoldenrod: [184,134,11], + darkgray: [169,169,169], + darkgreen: [0,100,0], + darkgrey: [169,169,169], + darkkhaki: [189,183,107], + darkmagenta: [139,0,139], + darkolivegreen: [85,107,47], + darkorange: [255,140,0], + darkorchid: [153,50,204], + darkred: [139,0,0], + darksalmon: [233,150,122], + darkseagreen: [143,188,143], + darkslateblue: [72,61,139], + darkslategray: [47,79,79], + darkslategrey: [47,79,79], + darkturquoise: [0,206,209], + darkviolet: [148,0,211], + deeppink: [255,20,147], + deepskyblue: [0,191,255], + dimgray: [105,105,105], + dimgrey: [105,105,105], + dodgerblue: [30,144,255], + firebrick: [178,34,34], + floralwhite: [255,250,240], + forestgreen: [34,139,34], + fuchsia: [255,0,255], + gainsboro: [220,220,220], + ghostwhite: [248,248,255], + gold: [255,215,0], + goldenrod: [218,165,32], + gray: [128,128,128], + green: [0,128,0], + greenyellow: [173,255,47], + grey: [128,128,128], + honeydew: [240,255,240], + hotpink: [255,105,180], + indianred: [205,92,92], + indigo: [75,0,130], + ivory: [255,255,240], + khaki: [240,230,140], + lavender: [230,230,250], + lavenderblush: [255,240,245], + lawngreen: [124,252,0], + lemonchiffon: [255,250,205], + lightblue: [173,216,230], + lightcoral: [240,128,128], + lightcyan: [224,255,255], + lightgoldenrodyellow: [250,250,210], + lightgray: [211,211,211], + lightgreen: [144,238,144], + lightgrey: [211,211,211], + lightpink: [255,182,193], + lightsalmon: [255,160,122], + lightseagreen: [32,178,170], + lightskyblue: [135,206,250], + lightslategray: [119,136,153], + lightslategrey: [119,136,153], + lightsteelblue: [176,196,222], + lightyellow: [255,255,224], + lime: [0,255,0], + limegreen: [50,205,50], + linen: [250,240,230], + magenta: [255,0,255], + maroon: [128,0,0], + mediumaquamarine: [102,205,170], + mediumblue: [0,0,205], + mediumorchid: [186,85,211], + mediumpurple: [147,112,219], + mediumseagreen: [60,179,113], + mediumslateblue: [123,104,238], + mediumspringgreen: [0,250,154], + mediumturquoise: [72,209,204], + mediumvioletred: [199,21,133], + midnightblue: [25,25,112], + mintcream: [245,255,250], + mistyrose: [255,228,225], + moccasin: [255,228,181], + navajowhite: [255,222,173], + navy: [0,0,128], + oldlace: [253,245,230], + olive: [128,128,0], + olivedrab: [107,142,35], + orange: [255,165,0], + orangered: [255,69,0], + orchid: [218,112,214], + palegoldenrod: [238,232,170], + palegreen: [152,251,152], + paleturquoise: [175,238,238], + palevioletred: [219,112,147], + papayawhip: [255,239,213], + peachpuff: [255,218,185], + peru: [205,133,63], + pink: [255,192,203], + plum: [221,160,221], + powderblue: [176,224,230], + purple: [128,0,128], + rebeccapurple: [102, 51, 153], + red: [255,0,0], + rosybrown: [188,143,143], + royalblue: [65,105,225], + saddlebrown: [139,69,19], + salmon: [250,128,114], + sandybrown: [244,164,96], + seagreen: [46,139,87], + seashell: [255,245,238], + sienna: [160,82,45], + silver: [192,192,192], + skyblue: [135,206,235], + slateblue: [106,90,205], + slategray: [112,128,144], + slategrey: [112,128,144], + snow: [255,250,250], + springgreen: [0,255,127], + steelblue: [70,130,180], + tan: [210,180,140], + teal: [0,128,128], + thistle: [216,191,216], + tomato: [255,99,71], + turquoise: [64,224,208], + violet: [238,130,238], + wheat: [245,222,179], + white: [255,255,255], + whitesmoke: [245,245,245], + yellow: [255,255,0], + yellowgreen: [154,205,50] +}; + +var reverseKeywords = {}; +for (var key in cssKeywords) { + reverseKeywords[JSON.stringify(cssKeywords[key])] = key; +} + +},{}],4:[function(require,module,exports){ +var conversions = require(3); + +var convert = function() { + return new Converter(); +} + +for (var func in conversions) { + // export Raw versions + convert[func + "Raw"] = (function(func) { + // accept array or plain args + return function(arg) { + if (typeof arg == "number") + arg = Array.prototype.slice.call(arguments); + return conversions[func](arg); + } + })(func); + + var pair = /(\w+)2(\w+)/.exec(func), + from = pair[1], + to = pair[2]; + + // export rgb2hsl and ["rgb"]["hsl"] + convert[from] = convert[from] || {}; + + convert[from][to] = convert[func] = (function(func) { + return function(arg) { + if (typeof arg == "number") + arg = Array.prototype.slice.call(arguments); + + var val = conversions[func](arg); + if (typeof val == "string" || val === undefined) + return val; // keyword + + for (var i = 0; i < val.length; i++) + val[i] = Math.round(val[i]); + return val; + } + })(func); +} + + +/* Converter does lazy conversion and caching */ +var Converter = function() { + this.convs = {}; +}; + +/* Either get the values for a space or + set the values for a space, depending on args */ +Converter.prototype.routeSpace = function(space, args) { + var values = args[0]; + if (values === undefined) { + // color.rgb() + return this.getValues(space); + } + // color.rgb(10, 10, 10) + if (typeof values == "number") { + values = Array.prototype.slice.call(args); + } + + return this.setValues(space, values); +}; + +/* Set the values for a space, invalidating cache */ +Converter.prototype.setValues = function(space, values) { + this.space = space; + this.convs = {}; + this.convs[space] = values; + return this; +}; + +/* Get the values for a space. If there's already + a conversion for the space, fetch it, otherwise + compute it */ +Converter.prototype.getValues = function(space) { + var vals = this.convs[space]; + if (!vals) { + var fspace = this.space, + from = this.convs[fspace]; + vals = convert[fspace][space](from); + + this.convs[space] = vals; + } + return vals; +}; + +["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { + Converter.prototype[space] = function(vals) { + return this.routeSpace(space, arguments); + } +}); + +module.exports = convert; +},{"3":3}],5:[function(require,module,exports){ +'use strict' + +module.exports = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] +}; + +},{}],6:[function(require,module,exports){ +//! moment.js + +;(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + global.moment = factory() +}(this, (function () { 'use strict'; + + var hookCallback; + + function hooks () { + return hookCallback.apply(null, arguments); + } + + // This is done to register the method called with moment() + // without creating circular dependencies. + function setHookCallback (callback) { + hookCallback = callback; + } + + function isArray(input) { + return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]'; + } + + function isObject(input) { + // IE8 will treat undefined and null as object if it wasn't for + // input != null + return input != null && Object.prototype.toString.call(input) === '[object Object]'; + } + + function isObjectEmpty(obj) { + if (Object.getOwnPropertyNames) { + return (Object.getOwnPropertyNames(obj).length === 0); + } else { + var k; + for (k in obj) { + if (obj.hasOwnProperty(k)) { return false; } - - var capped; - - // cap values of the space prior converting all values - for (i = 0; i < space.length; i++) { - capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); - values[space][i] = Math.round(capped); - } - - // convert to all the other color spaces - for (var sname in spaces) { - if (sname !== space) { - values[sname] = convert[space][sname](values[space]); - } - } - - return true; - }; - - Color.prototype.setSpace = function (space, args) { - var vals = args[0]; - - if (vals === undefined) { - // color.rgb() - return this.getValues(space); - } - - // color.rgb(10, 10, 10) - if (typeof vals === 'number') { - vals = Array.prototype.slice.call(args); - } - - this.setValues(space, vals); - return this; - }; - - Color.prototype.setChannel = function (space, index, val) { - var svalues = this.values[space]; - if (val === undefined) { - // color.red() - return svalues[index]; - } else if (val === svalues[index]) { - // color.red(color.red()) - return this; - } - - // color.red(100) - svalues[index] = val; - this.setValues(space, svalues); - - return this; - }; - - if (typeof window !== 'undefined') { - window.Color = Color; } + return true; + } + } - module.exports = Color; + function isUndefined(input) { + return input === void 0; + } - }, { "1": 1, "4": 4 }], 3: [function (require, module, exports) { - /* MIT license */ + function isNumber(input) { + return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]'; + } - module.exports = { - rgb2hsl: rgb2hsl, - rgb2hsv: rgb2hsv, - rgb2hwb: rgb2hwb, - rgb2cmyk: rgb2cmyk, - rgb2keyword: rgb2keyword, - rgb2xyz: rgb2xyz, - rgb2lab: rgb2lab, - rgb2lch: rgb2lch, + function isDate(input) { + return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]'; + } - hsl2rgb: hsl2rgb, - hsl2hsv: hsl2hsv, - hsl2hwb: hsl2hwb, - hsl2cmyk: hsl2cmyk, - hsl2keyword: hsl2keyword, + function map(arr, fn) { + var res = [], i; + for (i = 0; i < arr.length; ++i) { + res.push(fn(arr[i], i)); + } + return res; + } - hsv2rgb: hsv2rgb, - hsv2hsl: hsv2hsl, - hsv2hwb: hsv2hwb, - hsv2cmyk: hsv2cmyk, - hsv2keyword: hsv2keyword, + function hasOwnProp(a, b) { + return Object.prototype.hasOwnProperty.call(a, b); + } - hwb2rgb: hwb2rgb, - hwb2hsl: hwb2hsl, - hwb2hsv: hwb2hsv, - hwb2cmyk: hwb2cmyk, - hwb2keyword: hwb2keyword, - - cmyk2rgb: cmyk2rgb, - cmyk2hsl: cmyk2hsl, - cmyk2hsv: cmyk2hsv, - cmyk2hwb: cmyk2hwb, - cmyk2keyword: cmyk2keyword, - - keyword2rgb: keyword2rgb, - keyword2hsl: keyword2hsl, - keyword2hsv: keyword2hsv, - keyword2hwb: keyword2hwb, - keyword2cmyk: keyword2cmyk, - keyword2lab: keyword2lab, - keyword2xyz: keyword2xyz, - - xyz2rgb: xyz2rgb, - xyz2lab: xyz2lab, - xyz2lch: xyz2lch, - - lab2xyz: lab2xyz, - lab2rgb: lab2rgb, - lab2lch: lab2lch, - - lch2lab: lch2lab, - lch2xyz: lch2xyz, - lch2rgb: lch2rgb + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; } + } + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } - function rgb2hsl(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, l; + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g) / delta; + return a; + } - h = Math.min(h * 60, 360); + function createUTC (input, format, locale, strict) { + return createLocalOrUTC(input, format, locale, strict, true).utc(); + } - if (h < 0) - h += 360; + function defaultParsingFlags() { + // We need to deep clone this object. + return { + empty : false, + unusedTokens : [], + unusedInput : [], + overflow : -2, + charsLeftOver : 0, + nullInput : false, + invalidMonth : null, + invalidFormat : false, + userInvalidated : false, + iso : false, + parsedDateParts : [], + meridiem : null, + rfc2822 : false, + weekdayMismatch : false + }; + } - l = (min + max) / 2; + function getParsingFlags(m) { + if (m._pf == null) { + m._pf = defaultParsingFlags(); + } + return m._pf; + } - if (max == min) - s = 0; - else if (l <= 0.5) - s = delta / (max + min); - else - s = delta / (2 - max - min); + var some; + if (Array.prototype.some) { + some = Array.prototype.some; + } else { + some = function (fun) { + var t = Object(this); + var len = t.length >>> 0; - return [h, s * 100, l * 100]; - } - - function rgb2hsv(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, v; - - if (max == 0) - s = 0; - else - s = (delta / max * 1000) / 10; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g) / delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - v = ((max / 255) * 1000) / 10; - - return [h, s, v]; - } - - function rgb2hwb(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - h = rgb2hsl(rgb)[0], - w = 1 / 255 * Math.min(r, Math.min(g, b)), - b = 1 - 1 / 255 * Math.max(r, Math.max(g, b)); - - return [h, w * 100, b * 100]; - } - - function rgb2cmyk(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255, - c, m, y, k; - - k = Math.min(1 - r, 1 - g, 1 - b); - c = (1 - r - k) / (1 - k) || 0; - m = (1 - g - k) / (1 - k) || 0; - y = (1 - b - k) / (1 - k) || 0; - return [c * 100, m * 100, y * 100, k * 100]; - } - - function rgb2keyword(rgb) { - return reverseKeywords[JSON.stringify(rgb)]; - } - - function rgb2xyz(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255; - - // assume sRGB - r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); - g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); - b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); - - var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); - var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); - var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); - - return [x * 100, y * 100, z * 100]; - } - - function rgb2lab(rgb) { - var xyz = rgb2xyz(rgb), - x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; - } - - function rgb2lch(args) { - return lab2lch(rgb2lab(args)); - } - - function hsl2rgb(hsl) { - var h = hsl[0] / 360, - s = hsl[1] / 100, - l = hsl[2] / 100, - t1, t2, t3, rgb, val; - - if (s == 0) { - val = l * 255; - return [val, val, val]; - } - - if (l < 0.5) - t2 = l * (1 + s); - else - t2 = l + s - l * s; - t1 = 2 * l - t2; - - rgb = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - t3 = h + 1 / 3 * - (i - 1); - t3 < 0 && t3++; - t3 > 1 && t3--; - - if (6 * t3 < 1) - val = t1 + (t2 - t1) * 6 * t3; - else if (2 * t3 < 1) - val = t2; - else if (3 * t3 < 2) - val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; - else - val = t1; - - rgb[i] = val * 255; - } - - return rgb; - } - - function hsl2hsv(hsl) { - var h = hsl[0], - s = hsl[1] / 100, - l = hsl[2] / 100, - sv, v; - - if (l === 0) { - // no need to do calc on black - // also avoids divide by 0 error - return [0, 0, 0]; - } - - l *= 2; - s *= (l <= 1) ? l : 2 - l; - v = (l + s) / 2; - sv = (2 * s) / (l + s); - return [h, sv * 100, v * 100]; - } - - function hsl2hwb(args) { - return rgb2hwb(hsl2rgb(args)); - } - - function hsl2cmyk(args) { - return rgb2cmyk(hsl2rgb(args)); - } - - function hsl2keyword(args) { - return rgb2keyword(hsl2rgb(args)); - } - - - function hsv2rgb(hsv) { - var h = hsv[0] / 60, - s = hsv[1] / 100, - v = hsv[2] / 100, - hi = Math.floor(h) % 6; - - var f = h - Math.floor(h), - p = 255 * v * (1 - s), - q = 255 * v * (1 - (s * f)), - t = 255 * v * (1 - (s * (1 - f))), - v = 255 * v; - - switch (hi) { - case 0: - return [v, t, p]; - case 1: - return [q, v, p]; - case 2: - return [p, v, t]; - case 3: - return [p, q, v]; - case 4: - return [t, p, v]; - case 5: - return [v, p, q]; + for (var i = 0; i < len; i++) { + if (i in t && fun.call(this, t[i], i, t)) { + return true; } } - function hsv2hsl(hsv) { - var h = hsv[0], - s = hsv[1] / 100, - v = hsv[2] / 100, - sl, l; - - l = (2 - s) * v; - sl = s * v; - sl /= (l <= 1) ? l : 2 - l; - sl = sl || 0; - l /= 2; - return [h, sl * 100, l * 100]; - } - - function hsv2hwb(args) { - return rgb2hwb(hsv2rgb(args)) - } - - function hsv2cmyk(args) { - return rgb2cmyk(hsv2rgb(args)); - } - - function hsv2keyword(args) { - return rgb2keyword(hsv2rgb(args)); - } - - // http://dev.w3.org/csswg/css-color/#hwb-to-rgb - function hwb2rgb(hwb) { - var h = hwb[0] / 360, - wh = hwb[1] / 100, - bl = hwb[2] / 100, - ratio = wh + bl, - i, v, f, n; - - // wh + bl cant be > 1 - if (ratio > 1) { - wh /= ratio; - bl /= ratio; - } - - i = Math.floor(6 * h); - v = 1 - bl; - f = 6 * h - i; - if ((i & 0x01) != 0) { - f = 1 - f; - } - n = wh + f * (v - wh); // linear interpolation - - switch (i) { - default: - case 6: - case 0: r = v; g = n; b = wh; break; - case 1: r = n; g = v; b = wh; break; - case 2: r = wh; g = v; b = n; break; - case 3: r = wh; g = n; b = v; break; - case 4: r = n; g = wh; b = v; break; - case 5: r = v; g = wh; b = n; break; - } - - return [r * 255, g * 255, b * 255]; - } - - function hwb2hsl(args) { - return rgb2hsl(hwb2rgb(args)); - } - - function hwb2hsv(args) { - return rgb2hsv(hwb2rgb(args)); - } - - function hwb2cmyk(args) { - return rgb2cmyk(hwb2rgb(args)); - } - - function hwb2keyword(args) { - return rgb2keyword(hwb2rgb(args)); - } - - function cmyk2rgb(cmyk) { - var c = cmyk[0] / 100, - m = cmyk[1] / 100, - y = cmyk[2] / 100, - k = cmyk[3] / 100, - r, g, b; - - r = 1 - Math.min(1, c * (1 - k) + k); - g = 1 - Math.min(1, m * (1 - k) + k); - b = 1 - Math.min(1, y * (1 - k) + k); - return [r * 255, g * 255, b * 255]; - } - - function cmyk2hsl(args) { - return rgb2hsl(cmyk2rgb(args)); - } - - function cmyk2hsv(args) { - return rgb2hsv(cmyk2rgb(args)); - } - - function cmyk2hwb(args) { - return rgb2hwb(cmyk2rgb(args)); - } - - function cmyk2keyword(args) { - return rgb2keyword(cmyk2rgb(args)); - } - - - function xyz2rgb(xyz) { - var x = xyz[0] / 100, - y = xyz[1] / 100, - z = xyz[2] / 100, - r, g, b; - - r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); - g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); - b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); - - // assume sRGB - r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) - : r = (r * 12.92); - - g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) - : g = (g * 12.92); - - b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) - : b = (b * 12.92); - - r = Math.min(Math.max(0, r), 1); - g = Math.min(Math.max(0, g), 1); - b = Math.min(Math.max(0, b), 1); - - return [r * 255, g * 255, b * 255]; - } - - function xyz2lab(xyz) { - var x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; - } - - function xyz2lch(args) { - return lab2lch(xyz2lab(args)); - } - - function lab2xyz(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - x, y, z, y2; - - if (l <= 8) { - y = (l * 100) / 903.3; - y2 = (7.787 * (y / 100)) + (16 / 116); - } else { - y = 100 * Math.pow((l + 16) / 116, 3); - y2 = Math.pow(y / 100, 1 / 3); - } - - x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); - - z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); - - return [x, y, z]; - } - - function lab2lch(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - hr, h, c; - - hr = Math.atan2(b, a); - h = hr * 360 / 2 / Math.PI; - if (h < 0) { - h += 360; - } - c = Math.sqrt(a * a + b * b); - return [l, c, h]; - } - - function lab2rgb(args) { - return xyz2rgb(lab2xyz(args)); - } - - function lch2lab(lch) { - var l = lch[0], - c = lch[1], - h = lch[2], - a, b, hr; - - hr = h / 360 * 2 * Math.PI; - a = c * Math.cos(hr); - b = c * Math.sin(hr); - return [l, a, b]; - } - - function lch2xyz(args) { - return lab2xyz(lch2lab(args)); - } - - function lch2rgb(args) { - return lab2rgb(lch2lab(args)); - } - - function keyword2rgb(keyword) { - return cssKeywords[keyword]; - } - - function keyword2hsl(args) { - return rgb2hsl(keyword2rgb(args)); - } - - function keyword2hsv(args) { - return rgb2hsv(keyword2rgb(args)); - } - - function keyword2hwb(args) { - return rgb2hwb(keyword2rgb(args)); - } - - function keyword2cmyk(args) { - return rgb2cmyk(keyword2rgb(args)); - } - - function keyword2lab(args) { - return rgb2lab(keyword2rgb(args)); - } - - function keyword2xyz(args) { - return rgb2xyz(keyword2rgb(args)); - } - - var cssKeywords = { - aliceblue: [240, 248, 255], - antiquewhite: [250, 235, 215], - aqua: [0, 255, 255], - aquamarine: [127, 255, 212], - azure: [240, 255, 255], - beige: [245, 245, 220], - bisque: [255, 228, 196], - black: [0, 0, 0], - blanchedalmond: [255, 235, 205], - blue: [0, 0, 255], - blueviolet: [138, 43, 226], - brown: [165, 42, 42], - burlywood: [222, 184, 135], - cadetblue: [95, 158, 160], - chartreuse: [127, 255, 0], - chocolate: [210, 105, 30], - coral: [255, 127, 80], - cornflowerblue: [100, 149, 237], - cornsilk: [255, 248, 220], - crimson: [220, 20, 60], - cyan: [0, 255, 255], - darkblue: [0, 0, 139], - darkcyan: [0, 139, 139], - darkgoldenrod: [184, 134, 11], - darkgray: [169, 169, 169], - darkgreen: [0, 100, 0], - darkgrey: [169, 169, 169], - darkkhaki: [189, 183, 107], - darkmagenta: [139, 0, 139], - darkolivegreen: [85, 107, 47], - darkorange: [255, 140, 0], - darkorchid: [153, 50, 204], - darkred: [139, 0, 0], - darksalmon: [233, 150, 122], - darkseagreen: [143, 188, 143], - darkslateblue: [72, 61, 139], - darkslategray: [47, 79, 79], - darkslategrey: [47, 79, 79], - darkturquoise: [0, 206, 209], - darkviolet: [148, 0, 211], - deeppink: [255, 20, 147], - deepskyblue: [0, 191, 255], - dimgray: [105, 105, 105], - dimgrey: [105, 105, 105], - dodgerblue: [30, 144, 255], - firebrick: [178, 34, 34], - floralwhite: [255, 250, 240], - forestgreen: [34, 139, 34], - fuchsia: [255, 0, 255], - gainsboro: [220, 220, 220], - ghostwhite: [248, 248, 255], - gold: [255, 215, 0], - goldenrod: [218, 165, 32], - gray: [128, 128, 128], - green: [0, 128, 0], - greenyellow: [173, 255, 47], - grey: [128, 128, 128], - honeydew: [240, 255, 240], - hotpink: [255, 105, 180], - indianred: [205, 92, 92], - indigo: [75, 0, 130], - ivory: [255, 255, 240], - khaki: [240, 230, 140], - lavender: [230, 230, 250], - lavenderblush: [255, 240, 245], - lawngreen: [124, 252, 0], - lemonchiffon: [255, 250, 205], - lightblue: [173, 216, 230], - lightcoral: [240, 128, 128], - lightcyan: [224, 255, 255], - lightgoldenrodyellow: [250, 250, 210], - lightgray: [211, 211, 211], - lightgreen: [144, 238, 144], - lightgrey: [211, 211, 211], - lightpink: [255, 182, 193], - lightsalmon: [255, 160, 122], - lightseagreen: [32, 178, 170], - lightskyblue: [135, 206, 250], - lightslategray: [119, 136, 153], - lightslategrey: [119, 136, 153], - lightsteelblue: [176, 196, 222], - lightyellow: [255, 255, 224], - lime: [0, 255, 0], - limegreen: [50, 205, 50], - linen: [250, 240, 230], - magenta: [255, 0, 255], - maroon: [128, 0, 0], - mediumaquamarine: [102, 205, 170], - mediumblue: [0, 0, 205], - mediumorchid: [186, 85, 211], - mediumpurple: [147, 112, 219], - mediumseagreen: [60, 179, 113], - mediumslateblue: [123, 104, 238], - mediumspringgreen: [0, 250, 154], - mediumturquoise: [72, 209, 204], - mediumvioletred: [199, 21, 133], - midnightblue: [25, 25, 112], - mintcream: [245, 255, 250], - mistyrose: [255, 228, 225], - moccasin: [255, 228, 181], - navajowhite: [255, 222, 173], - navy: [0, 0, 128], - oldlace: [253, 245, 230], - olive: [128, 128, 0], - olivedrab: [107, 142, 35], - orange: [255, 165, 0], - orangered: [255, 69, 0], - orchid: [218, 112, 214], - palegoldenrod: [238, 232, 170], - palegreen: [152, 251, 152], - paleturquoise: [175, 238, 238], - palevioletred: [219, 112, 147], - papayawhip: [255, 239, 213], - peachpuff: [255, 218, 185], - peru: [205, 133, 63], - pink: [255, 192, 203], - plum: [221, 160, 221], - powderblue: [176, 224, 230], - purple: [128, 0, 128], - rebeccapurple: [102, 51, 153], - red: [255, 0, 0], - rosybrown: [188, 143, 143], - royalblue: [65, 105, 225], - saddlebrown: [139, 69, 19], - salmon: [250, 128, 114], - sandybrown: [244, 164, 96], - seagreen: [46, 139, 87], - seashell: [255, 245, 238], - sienna: [160, 82, 45], - silver: [192, 192, 192], - skyblue: [135, 206, 235], - slateblue: [106, 90, 205], - slategray: [112, 128, 144], - slategrey: [112, 128, 144], - snow: [255, 250, 250], - springgreen: [0, 255, 127], - steelblue: [70, 130, 180], - tan: [210, 180, 140], - teal: [0, 128, 128], - thistle: [216, 191, 216], - tomato: [255, 99, 71], - turquoise: [64, 224, 208], - violet: [238, 130, 238], - wheat: [245, 222, 179], - white: [255, 255, 255], - whitesmoke: [245, 245, 245], - yellow: [255, 255, 0], - yellowgreen: [154, 205, 50] - }; - - var reverseKeywords = {}; - for (var key in cssKeywords) { - reverseKeywords[JSON.stringify(cssKeywords[key])] = key; - } - - }, {}], 4: [function (require, module, exports) { - var conversions = require(3); - - var convert = function () { - return new Converter(); - } - - for (var func in conversions) { - // export Raw versions - convert[func + "Raw"] = (function (func) { - // accept array or plain args - return function (arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - return conversions[func](arg); - } - })(func); - - var pair = /(\w+)2(\w+)/.exec(func), - from = pair[1], - to = pair[2]; - - // export rgb2hsl and ["rgb"]["hsl"] - convert[from] = convert[from] || {}; - - convert[from][to] = convert[func] = (function (func) { - return function (arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - - var val = conversions[func](arg); - if (typeof val == "string" || val === undefined) - return val; // keyword - - for (var i = 0; i < val.length; i++) - val[i] = Math.round(val[i]); - return val; - } - })(func); - } - - - /* Converter does lazy conversion and caching */ - var Converter = function () { - this.convs = {}; - }; - - /* Either get the values for a space or - set the values for a space, depending on args */ - Converter.prototype.routeSpace = function (space, args) { - var values = args[0]; - if (values === undefined) { - // color.rgb() - return this.getValues(space); - } - // color.rgb(10, 10, 10) - if (typeof values == "number") { - values = Array.prototype.slice.call(args); - } - - return this.setValues(space, values); - }; - - /* Set the values for a space, invalidating cache */ - Converter.prototype.setValues = function (space, values) { - this.space = space; - this.convs = {}; - this.convs[space] = values; - return this; - }; - - /* Get the values for a space. If there's already - a conversion for the space, fetch it, otherwise - compute it */ - Converter.prototype.getValues = function (space) { - var vals = this.convs[space]; - if (!vals) { - var fspace = this.space, - from = this.convs[fspace]; - vals = convert[fspace][space](from); - - this.convs[space] = vals; - } - return vals; - }; - - ["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function (space) { - Converter.prototype[space] = function (vals) { - return this.routeSpace(space, arguments); - } + return false; + }; + } + + function isValid(m) { + if (m._isValid == null) { + var flags = getParsingFlags(m); + var parsedParts = some.call(flags.parsedDateParts, function (i) { + return i != null; }); + var isNowValid = !isNaN(m._d.getTime()) && + flags.overflow < 0 && + !flags.empty && + !flags.invalidMonth && + !flags.invalidWeekday && + !flags.weekdayMismatch && + !flags.nullInput && + !flags.invalidFormat && + !flags.userInvalidated && + (!flags.meridiem || (flags.meridiem && parsedParts)); - module.exports = convert; - }, { "3": 3 }], 5: [function (require, module, exports) { - 'use strict' + if (m._strict) { + isNowValid = isNowValid && + flags.charsLeftOver === 0 && + flags.unusedTokens.length === 0 && + flags.bigHour === undefined; + } - module.exports = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] + if (Object.isFrozen == null || !Object.isFrozen(m)) { + m._isValid = isNowValid; + } + else { + return isNowValid; + } + } + return m._isValid; + } + + function createInvalid (flags) { + var m = createUTC(NaN); + if (flags != null) { + extend(getParsingFlags(m), flags); + } + else { + getParsingFlags(m).userInvalidated = true; + } + + return m; + } + + // Plugins that add properties should also add the key here (null value), + // so we can properly clone ourselves. + var momentProperties = hooks.momentProperties = []; + + function copyConfig(to, from) { + var i, prop, val; + + if (!isUndefined(from._isAMomentObject)) { + to._isAMomentObject = from._isAMomentObject; + } + if (!isUndefined(from._i)) { + to._i = from._i; + } + if (!isUndefined(from._f)) { + to._f = from._f; + } + if (!isUndefined(from._l)) { + to._l = from._l; + } + if (!isUndefined(from._strict)) { + to._strict = from._strict; + } + if (!isUndefined(from._tzm)) { + to._tzm = from._tzm; + } + if (!isUndefined(from._isUTC)) { + to._isUTC = from._isUTC; + } + if (!isUndefined(from._offset)) { + to._offset = from._offset; + } + if (!isUndefined(from._pf)) { + to._pf = getParsingFlags(from); + } + if (!isUndefined(from._locale)) { + to._locale = from._locale; + } + + if (momentProperties.length > 0) { + for (i = 0; i < momentProperties.length; i++) { + prop = momentProperties[i]; + val = from[prop]; + if (!isUndefined(val)) { + to[prop] = val; + } + } + } + + return to; + } + + var updateInProgress = false; + + // Moment prototype object + function Moment(config) { + copyConfig(this, config); + this._d = new Date(config._d != null ? config._d.getTime() : NaN); + if (!this.isValid()) { + this._d = new Date(NaN); + } + // Prevent infinite loop in case updateOffset creates new moment + // objects. + if (updateInProgress === false) { + updateInProgress = true; + hooks.updateOffset(this); + updateInProgress = false; + } + } + + function isMoment (obj) { + return obj instanceof Moment || (obj != null && obj._isAMomentObject != null); + } + + function absFloor (number) { + if (number < 0) { + // -0 -> 0 + return Math.ceil(number) || 0; + } else { + return Math.floor(number); + } + } + + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; + + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + value = absFloor(coercedNumber); + } + + return value; + } + + // compare two arrays, return the number of differences + function compareArrays(array1, array2, dontConvert) { + var len = Math.min(array1.length, array2.length), + lengthDiff = Math.abs(array1.length - array2.length), + diffs = 0, + i; + for (i = 0; i < len; i++) { + if ((dontConvert && array1[i] !== array2[i]) || + (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { + diffs++; + } + } + return diffs + lengthDiff; + } + + function warn(msg) { + if (hooks.suppressDeprecationWarnings === false && + (typeof console !== 'undefined') && console.warn) { + console.warn('Deprecation warning: ' + msg); + } + } + + function deprecate(msg, fn) { + var firstTime = true; + + return extend(function () { + if (hooks.deprecationHandler != null) { + hooks.deprecationHandler(null, msg); + } + if (firstTime) { + var args = []; + var arg; + for (var i = 0; i < arguments.length; i++) { + arg = ''; + if (typeof arguments[i] === 'object') { + arg += '\n[' + i + '] '; + for (var key in arguments[0]) { + arg += key + ': ' + arguments[0][key] + ', '; + } + arg = arg.slice(0, -2); // Remove trailing comma and space + } else { + arg = arguments[i]; + } + args.push(arg); + } + warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); + } + + var deprecations = {}; + + function deprecateSimple(name, msg) { + if (hooks.deprecationHandler != null) { + hooks.deprecationHandler(name, msg); + } + if (!deprecations[name]) { + warn(msg); + deprecations[name] = true; + } + } + + hooks.suppressDeprecationWarnings = false; + hooks.deprecationHandler = null; + + function isFunction(input) { + return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]'; + } + + function set (config) { + var prop, i; + for (i in config) { + prop = config[i]; + if (isFunction(prop)) { + this[i] = prop; + } else { + this['_' + i] = prop; + } + } + this._config = config; + // Lenient ordinal parsing accepts just a number in addition to + // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. + // TODO: Remove "ordinalParse" fallback in next major release. + this._dayOfMonthOrdinalParseLenient = new RegExp( + (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + + '|' + (/\d{1,2}/).source); + } + + function mergeConfigs(parentConfig, childConfig) { + var res = extend({}, parentConfig), prop; + for (prop in childConfig) { + if (hasOwnProp(childConfig, prop)) { + if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { + res[prop] = {}; + extend(res[prop], parentConfig[prop]); + extend(res[prop], childConfig[prop]); + } else if (childConfig[prop] != null) { + res[prop] = childConfig[prop]; + } else { + delete res[prop]; + } + } + } + for (prop in parentConfig) { + if (hasOwnProp(parentConfig, prop) && + !hasOwnProp(childConfig, prop) && + isObject(parentConfig[prop])) { + // make sure changes to properties don't modify parent config + res[prop] = extend({}, res[prop]); + } + } + return res; + } + + function Locale(config) { + if (config != null) { + this.set(config); + } + } + + var keys; + + if (Object.keys) { + keys = Object.keys; + } else { + keys = function (obj) { + var i, res = []; + for (i in obj) { + if (hasOwnProp(obj, i)) { + res.push(i); + } + } + return res; + }; + } + + var defaultCalendar = { + sameDay : '[Today at] LT', + nextDay : '[Tomorrow at] LT', + nextWeek : 'dddd [at] LT', + lastDay : '[Yesterday at] LT', + lastWeek : '[Last] dddd [at] LT', + sameElse : 'L' + }; + + function calendar (key, mom, now) { + var output = this._calendar[key] || this._calendar['sameElse']; + return isFunction(output) ? output.call(mom, now) : output; + } + + var defaultLongDateFormat = { + LTS : 'h:mm:ss A', + LT : 'h:mm A', + L : 'MM/DD/YYYY', + LL : 'MMMM D, YYYY', + LLL : 'MMMM D, YYYY h:mm A', + LLLL : 'dddd, MMMM D, YYYY h:mm A' + }; + + function longDateFormat (key) { + var format = this._longDateFormat[key], + formatUpper = this._longDateFormat[key.toUpperCase()]; + + if (format || !formatUpper) { + return format; + } + + this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) { + return val.slice(1); + }); + + return this._longDateFormat[key]; + } + + var defaultInvalidDate = 'Invalid date'; + + function invalidDate () { + return this._invalidDate; + } + + var defaultOrdinal = '%d'; + var defaultDayOfMonthOrdinalParse = /\d{1,2}/; + + function ordinal (number) { + return this._ordinal.replace('%d', number); + } + + var defaultRelativeTime = { + future : 'in %s', + past : '%s ago', + s : 'a few seconds', + ss : '%d seconds', + m : 'a minute', + mm : '%d minutes', + h : 'an hour', + hh : '%d hours', + d : 'a day', + dd : '%d days', + M : 'a month', + MM : '%d months', + y : 'a year', + yy : '%d years' + }; + + function relativeTime (number, withoutSuffix, string, isFuture) { + var output = this._relativeTime[string]; + return (isFunction(output)) ? + output(number, withoutSuffix, string, isFuture) : + output.replace(/%d/i, number); + } + + function pastFuture (diff, output) { + var format = this._relativeTime[diff > 0 ? 'future' : 'past']; + return isFunction(format) ? format(output) : format.replace(/%s/i, output); + } + + var aliases = {}; + + function addUnitAlias (unit, shorthand) { + var lowerCase = unit.toLowerCase(); + aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; + } + + function normalizeUnits(units) { + return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined; + } + + function normalizeObjectUnits(inputObject) { + var normalizedInput = {}, + normalizedProp, + prop; + + for (prop in inputObject) { + if (hasOwnProp(inputObject, prop)) { + normalizedProp = normalizeUnits(prop); + if (normalizedProp) { + normalizedInput[normalizedProp] = inputObject[prop]; + } + } + } + + return normalizedInput; + } + + var priorities = {}; + + function addUnitPriority(unit, priority) { + priorities[unit] = priority; + } + + function getPrioritizedUnits(unitsObj) { + var units = []; + for (var u in unitsObj) { + units.push({unit: u, priority: priorities[u]}); + } + units.sort(function (a, b) { + return a.priority - b.priority; + }); + return units; + } + + function zeroFill(number, targetLength, forceSign) { + var absNumber = '' + Math.abs(number), + zerosToFill = targetLength - absNumber.length, + sign = number >= 0; + return (sign ? (forceSign ? '+' : '') : '-') + + Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber; + } + + var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g; + + var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g; + + var formatFunctions = {}; + + var formatTokenFunctions = {}; + + // token: 'M' + // padded: ['MM', 2] + // ordinal: 'Mo' + // callback: function () { this.month() + 1 } + function addFormatToken (token, padded, ordinal, callback) { + var func = callback; + if (typeof callback === 'string') { + func = function () { + return this[callback](); }; - - }, {}], 6: [function (require, module, exports) { - //! moment.js - //! version : 2.20.1 - //! authors : Tim Wood, Iskren Chernev, Moment.js contributors - //! license : MIT - //! momentjs.com - - ; (function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - global.moment = factory() - } (this, (function () { - 'use strict'; - - var hookCallback; - - function hooks() { - return hookCallback.apply(null, arguments); - } - - // This is done to register the method called with moment() - // without creating circular dependencies. - function setHookCallback(callback) { - hookCallback = callback; - } - - function isArray(input) { - return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]'; - } - - function isObject(input) { - // IE8 will treat undefined and null as object if it wasn't for - // input != null - return input != null && Object.prototype.toString.call(input) === '[object Object]'; - } - - function isObjectEmpty(obj) { - if (Object.getOwnPropertyNames) { - return (Object.getOwnPropertyNames(obj).length === 0); - } else { - var k; - for (k in obj) { - if (obj.hasOwnProperty(k)) { - return false; - } - } - return true; - } - } - - function isUndefined(input) { - return input === void 0; - } - - function isNumber(input) { - return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]'; - } - - function isDate(input) { - return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]'; - } - - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; - } - - function hasOwnProp(a, b) { - return Object.prototype.hasOwnProperty.call(a, b); - } - - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } - - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } - - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } - - return a; - } - - function createUTC(input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, true).utc(); - } - - function defaultParsingFlags() { - // We need to deep clone this object. - return { - empty: false, - unusedTokens: [], - unusedInput: [], - overflow: -2, - charsLeftOver: 0, - nullInput: false, - invalidMonth: null, - invalidFormat: false, - userInvalidated: false, - iso: false, - parsedDateParts: [], - meridiem: null, - rfc2822: false, - weekdayMismatch: false - }; - } - - function getParsingFlags(m) { - if (m._pf == null) { - m._pf = defaultParsingFlags(); - } - return m._pf; - } - - var some; - if (Array.prototype.some) { - some = Array.prototype.some; - } else { - some = function (fun) { - var t = Object(this); - var len = t.length >>> 0; - - for (var i = 0; i < len; i++) { - if (i in t && fun.call(this, t[i], i, t)) { - return true; - } - } - - return false; - }; - } - - function isValid(m) { - if (m._isValid == null) { - var flags = getParsingFlags(m); - var parsedParts = some.call(flags.parsedDateParts, function (i) { - return i != null; - }); - var isNowValid = !isNaN(m._d.getTime()) && - flags.overflow < 0 && - !flags.empty && - !flags.invalidMonth && - !flags.invalidWeekday && - !flags.weekdayMismatch && - !flags.nullInput && - !flags.invalidFormat && - !flags.userInvalidated && - (!flags.meridiem || (flags.meridiem && parsedParts)); - - if (m._strict) { - isNowValid = isNowValid && - flags.charsLeftOver === 0 && - flags.unusedTokens.length === 0 && - flags.bigHour === undefined; - } - - if (Object.isFrozen == null || !Object.isFrozen(m)) { - m._isValid = isNowValid; - } - else { - return isNowValid; - } - } - return m._isValid; - } - - function createInvalid(flags) { - var m = createUTC(NaN); - if (flags != null) { - extend(getParsingFlags(m), flags); - } - else { - getParsingFlags(m).userInvalidated = true; - } - - return m; - } - - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - var momentProperties = hooks.momentProperties = []; - - function copyConfig(to, from) { - var i, prop, val; - - if (!isUndefined(from._isAMomentObject)) { - to._isAMomentObject = from._isAMomentObject; - } - if (!isUndefined(from._i)) { - to._i = from._i; - } - if (!isUndefined(from._f)) { - to._f = from._f; - } - if (!isUndefined(from._l)) { - to._l = from._l; - } - if (!isUndefined(from._strict)) { - to._strict = from._strict; - } - if (!isUndefined(from._tzm)) { - to._tzm = from._tzm; - } - if (!isUndefined(from._isUTC)) { - to._isUTC = from._isUTC; - } - if (!isUndefined(from._offset)) { - to._offset = from._offset; - } - if (!isUndefined(from._pf)) { - to._pf = getParsingFlags(from); - } - if (!isUndefined(from._locale)) { - to._locale = from._locale; - } - - if (momentProperties.length > 0) { - for (i = 0; i < momentProperties.length; i++) { - prop = momentProperties[i]; - val = from[prop]; - if (!isUndefined(val)) { - to[prop] = val; - } - } - } - - return to; - } - - var updateInProgress = false; - - // Moment prototype object - function Moment(config) { - copyConfig(this, config); - this._d = new Date(config._d != null ? config._d.getTime() : NaN); - if (!this.isValid()) { - this._d = new Date(NaN); - } - // Prevent infinite loop in case updateOffset creates new moment - // objects. - if (updateInProgress === false) { - updateInProgress = true; - hooks.updateOffset(this); - updateInProgress = false; - } - } - - function isMoment(obj) { - return obj instanceof Moment || (obj != null && obj._isAMomentObject != null); - } - - function absFloor(number) { - if (number < 0) { - // -0 -> 0 - return Math.ceil(number) || 0; - } else { - return Math.floor(number); - } - } - - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; - - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - value = absFloor(coercedNumber); - } - - return value; - } - - // compare two arrays, return the number of differences - function compareArrays(array1, array2, dontConvert) { - var len = Math.min(array1.length, array2.length), - lengthDiff = Math.abs(array1.length - array2.length), - diffs = 0, - i; - for (i = 0; i < len; i++) { - if ((dontConvert && array1[i] !== array2[i]) || - (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { - diffs++; - } - } - return diffs + lengthDiff; - } - - function warn(msg) { - if (hooks.suppressDeprecationWarnings === false && - (typeof console !== 'undefined') && console.warn) { - console.warn('Deprecation warning: ' + msg); - } - } - - function deprecate(msg, fn) { - var firstTime = true; - - return extend(function () { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(null, msg); - } - if (firstTime) { - var args = []; - var arg; - for (var i = 0; i < arguments.length; i++) { - arg = ''; - if (typeof arguments[i] === 'object') { - arg += '\n[' + i + '] '; - for (var key in arguments[0]) { - arg += key + ': ' + arguments[0][key] + ', '; - } - arg = arg.slice(0, -2); // Remove trailing comma and space - } else { - arg = arguments[i]; - } - args.push(arg); - } - warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); - } - - var deprecations = {}; - - function deprecateSimple(name, msg) { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(name, msg); - } - if (!deprecations[name]) { - warn(msg); - deprecations[name] = true; - } - } - - hooks.suppressDeprecationWarnings = false; - hooks.deprecationHandler = null; - - function isFunction(input) { - return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]'; - } - - function set(config) { - var prop, i; - for (i in config) { - prop = config[i]; - if (isFunction(prop)) { - this[i] = prop; - } else { - this['_' + i] = prop; - } - } - this._config = config; - // Lenient ordinal parsing accepts just a number in addition to - // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. - // TODO: Remove "ordinalParse" fallback in next major release. - this._dayOfMonthOrdinalParseLenient = new RegExp( - (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + - '|' + (/\d{1,2}/).source); - } - - function mergeConfigs(parentConfig, childConfig) { - var res = extend({}, parentConfig), prop; - for (prop in childConfig) { - if (hasOwnProp(childConfig, prop)) { - if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { - res[prop] = {}; - extend(res[prop], parentConfig[prop]); - extend(res[prop], childConfig[prop]); - } else if (childConfig[prop] != null) { - res[prop] = childConfig[prop]; - } else { - delete res[prop]; - } - } - } - for (prop in parentConfig) { - if (hasOwnProp(parentConfig, prop) && - !hasOwnProp(childConfig, prop) && - isObject(parentConfig[prop])) { - // make sure changes to properties don't modify parent config - res[prop] = extend({}, res[prop]); - } - } - return res; - } - - function Locale(config) { - if (config != null) { - this.set(config); - } - } - - var keys; - - if (Object.keys) { - keys = Object.keys; - } else { - keys = function (obj) { - var i, res = []; - for (i in obj) { - if (hasOwnProp(obj, i)) { - res.push(i); - } - } - return res; - }; - } - - var defaultCalendar = { - sameDay: '[Today at] LT', - nextDay: '[Tomorrow at] LT', - nextWeek: 'dddd [at] LT', - lastDay: '[Yesterday at] LT', - lastWeek: '[Last] dddd [at] LT', - sameElse: 'L' - }; - - function calendar(key, mom, now) { - var output = this._calendar[key] || this._calendar['sameElse']; - return isFunction(output) ? output.call(mom, now) : output; - } - - var defaultLongDateFormat = { - LTS: 'h:mm:ss A', - LT: 'h:mm A', - L: 'MM/DD/YYYY', - LL: 'MMMM D, YYYY', - LLL: 'MMMM D, YYYY h:mm A', - LLLL: 'dddd, MMMM D, YYYY h:mm A' - }; - - function longDateFormat(key) { - var format = this._longDateFormat[key], - formatUpper = this._longDateFormat[key.toUpperCase()]; - - if (format || !formatUpper) { - return format; - } - - this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) { - return val.slice(1); - }); - - return this._longDateFormat[key]; - } - - var defaultInvalidDate = 'Invalid date'; - - function invalidDate() { - return this._invalidDate; - } - - var defaultOrdinal = '%d'; - var defaultDayOfMonthOrdinalParse = /\d{1,2}/; - - function ordinal(number) { - return this._ordinal.replace('%d', number); - } - - var defaultRelativeTime = { - future: 'in %s', - past: '%s ago', - s: 'a few seconds', - ss: '%d seconds', - m: 'a minute', - mm: '%d minutes', - h: 'an hour', - hh: '%d hours', - d: 'a day', - dd: '%d days', - M: 'a month', - MM: '%d months', - y: 'a year', - yy: '%d years' - }; - - function relativeTime(number, withoutSuffix, string, isFuture) { - var output = this._relativeTime[string]; - return (isFunction(output)) ? - output(number, withoutSuffix, string, isFuture) : - output.replace(/%d/i, number); - } - - function pastFuture(diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return isFunction(format) ? format(output) : format.replace(/%s/i, output); - } - - var aliases = {}; - - function addUnitAlias(unit, shorthand) { - var lowerCase = unit.toLowerCase(); - aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; - } - - function normalizeUnits(units) { - return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined; - } - - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; - - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } - - return normalizedInput; - } - - var priorities = {}; - - function addUnitPriority(unit, priority) { - priorities[unit] = priority; - } - - function getPrioritizedUnits(unitsObj) { - var units = []; - for (var u in unitsObj) { - units.push({ unit: u, priority: priorities[u] }); - } - units.sort(function (a, b) { - return a.priority - b.priority; - }); - return units; - } - - function zeroFill(number, targetLength, forceSign) { - var absNumber = '' + Math.abs(number), - zerosToFill = targetLength - absNumber.length, - sign = number >= 0; - return (sign ? (forceSign ? '+' : '') : '-') + - Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber; - } - - var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g; - - var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g; - - var formatFunctions = {}; - - var formatTokenFunctions = {}; - - // token: 'M' - // padded: ['MM', 2] - // ordinal: 'Mo' - // callback: function () { this.month() + 1 } - function addFormatToken(token, padded, ordinal, callback) { - var func = callback; - if (typeof callback === 'string') { - func = function () { - return this[callback](); - }; - } - if (token) { - formatTokenFunctions[token] = func; - } - if (padded) { - formatTokenFunctions[padded[0]] = function () { - return zeroFill(func.apply(this, arguments), padded[1], padded[2]); - }; - } - if (ordinal) { - formatTokenFunctions[ordinal] = function () { - return this.localeData().ordinal(func.apply(this, arguments), token); - }; - } - } - - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); - } - - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; - - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } - - return function (mom) { - var output = '', i; - for (i = 0; i < length; i++) { - output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]; - } - return output; - }; - } - - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } - - format = expandFormat(format, m.localeData()); - formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format); - - return formatFunctions[format](m); - } - - function expandFormat(format, locale) { - var i = 5; - - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } - - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } - - return format; - } - - var match1 = /\d/; // 0 - 9 - var match2 = /\d\d/; // 00 - 99 - var match3 = /\d{3}/; // 000 - 999 - var match4 = /\d{4}/; // 0000 - 9999 - var match6 = /[+-]?\d{6}/; // -999999 - 999999 - var match1to2 = /\d\d?/; // 0 - 99 - var match3to4 = /\d\d\d\d?/; // 999 - 9999 - var match5to6 = /\d\d\d\d\d\d?/; // 99999 - 999999 - var match1to3 = /\d{1,3}/; // 0 - 999 - var match1to4 = /\d{1,4}/; // 0 - 9999 - var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999 - - var matchUnsigned = /\d+/; // 0 - inf - var matchSigned = /[+-]?\d+/; // -inf - inf - - var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z - var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z - - var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123 - - // any word (or two) characters or numbers including two/three word month in arabic. - // includes scottish gaelic two word and hyphenated months - var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i; - - - var regexes = {}; - - function addRegexToken(token, regex, strictRegex) { - regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) { - return (isStrict && strictRegex) ? strictRegex : regex; - }; - } - - function getParseRegexForToken(token, config) { - if (!hasOwnProp(regexes, token)) { - return new RegExp(unescapeFormat(token)); - } - - return regexes[token](config._strict, config._locale); - } - - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function unescapeFormat(s) { - return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - })); - } - - function regexEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - } - - var tokens = {}; - - function addParseToken(token, callback) { - var i, func = callback; - if (typeof token === 'string') { - token = [token]; - } - if (isNumber(callback)) { - func = function (input, array) { - array[callback] = toInt(input); - }; - } - for (i = 0; i < token.length; i++) { - tokens[token[i]] = func; - } - } - - function addWeekParseToken(token, callback) { - addParseToken(token, function (input, array, config, token) { - config._w = config._w || {}; - callback(input, config._w, config, token); - }); - } - - function addTimeToArrayFromToken(token, input, config) { - if (input != null && hasOwnProp(tokens, token)) { - tokens[token](input, config._a, config, token); - } - } - - var YEAR = 0; - var MONTH = 1; - var DATE = 2; - var HOUR = 3; - var MINUTE = 4; - var SECOND = 5; - var MILLISECOND = 6; - var WEEK = 7; - var WEEKDAY = 8; - - // FORMATTING - - addFormatToken('Y', 0, 0, function () { - var y = this.year(); - return y <= 9999 ? '' + y : '+' + y; - }); - - addFormatToken(0, ['YY', 2], 0, function () { - return this.year() % 100; - }); - - addFormatToken(0, ['YYYY', 4], 0, 'year'); - addFormatToken(0, ['YYYYY', 5], 0, 'year'); - addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); - - // ALIASES - - addUnitAlias('year', 'y'); - - // PRIORITIES - - addUnitPriority('year', 1); - - // PARSING - - addRegexToken('Y', matchSigned); - addRegexToken('YY', match1to2, match2); - addRegexToken('YYYY', match1to4, match4); - addRegexToken('YYYYY', match1to6, match6); - addRegexToken('YYYYYY', match1to6, match6); - - addParseToken(['YYYYY', 'YYYYYY'], YEAR); - addParseToken('YYYY', function (input, array) { - array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); - }); - addParseToken('YY', function (input, array) { - array[YEAR] = hooks.parseTwoDigitYear(input); - }); - addParseToken('Y', function (input, array) { - array[YEAR] = parseInt(input, 10); - }); - - // HELPERS - - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; - } - - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; - } - - // HOOKS - - hooks.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; - - // MOMENTS - - var getSetYear = makeGetSet('FullYear', true); - - function getIsLeapYear() { - return isLeapYear(this.year()); - } - - function makeGetSet(unit, keepTime) { - return function (value) { - if (value != null) { - set$1(this, unit, value); - hooks.updateOffset(this, keepTime); - return this; - } else { - return get(this, unit); - } - }; - } - - function get(mom, unit) { - return mom.isValid() ? - mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN; - } - - function set$1(mom, unit, value) { - if (mom.isValid() && !isNaN(value)) { - if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month())); - } - else { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } - } - - // MOMENTS - - function stringGet(units) { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](); - } - return this; - } - - - function stringSet(units, value) { - if (typeof units === 'object') { - units = normalizeObjectUnits(units); - var prioritized = getPrioritizedUnits(units); - for (var i = 0; i < prioritized.length; i++) { - this[prioritized[i].unit](units[prioritized[i].unit]); - } - } else { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](value); - } - } - return this; - } - - function mod(n, x) { - return ((n % x) + x) % x; - } - - var indexOf; - - if (Array.prototype.indexOf) { - indexOf = Array.prototype.indexOf; - } else { - indexOf = function (o) { - // I know - var i; - for (i = 0; i < this.length; ++i) { - if (this[i] === o) { - return i; - } - } - return -1; - }; - } - - function daysInMonth(year, month) { - if (isNaN(year) || isNaN(month)) { - return NaN; - } - var modMonth = mod(month, 12); - year += (month - modMonth) / 12; - return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2); - } - - // FORMATTING - - addFormatToken('M', ['MM', 2], 'Mo', function () { - return this.month() + 1; - }); - - addFormatToken('MMM', 0, 0, function (format) { - return this.localeData().monthsShort(this, format); - }); - - addFormatToken('MMMM', 0, 0, function (format) { - return this.localeData().months(this, format); - }); - - // ALIASES - - addUnitAlias('month', 'M'); - - // PRIORITY - - addUnitPriority('month', 8); - - // PARSING - - addRegexToken('M', match1to2); - addRegexToken('MM', match1to2, match2); - addRegexToken('MMM', function (isStrict, locale) { - return locale.monthsShortRegex(isStrict); - }); - addRegexToken('MMMM', function (isStrict, locale) { - return locale.monthsRegex(isStrict); - }); - - addParseToken(['M', 'MM'], function (input, array) { - array[MONTH] = toInt(input) - 1; - }); - - addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { - var month = config._locale.monthsParse(input, token, config._strict); - // if we didn't find a month name, mark the date as invalid. - if (month != null) { - array[MONTH] = month; - } else { - getParsingFlags(config).invalidMonth = input; - } - }); - - // LOCALES - - var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/; - var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); - function localeMonths(m, format) { - if (!m) { - return isArray(this._months) ? this._months : - this._months['standalone']; - } - return isArray(this._months) ? this._months[m.month()] : - this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()]; - } - - var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); - function localeMonthsShort(m, format) { - if (!m) { - return isArray(this._monthsShort) ? this._monthsShort : - this._monthsShort['standalone']; - } - return isArray(this._monthsShort) ? this._monthsShort[m.month()] : - this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()]; - } - - function handleStrictParse(monthName, format, strict) { - var i, ii, mom, llc = monthName.toLocaleLowerCase(); - if (!this._monthsParse) { - // this is not used - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - for (i = 0; i < 12; ++i) { - mom = createUTC([2000, i]); - this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase(); - this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeMonthsParse(monthName, format, strict) { - var i, mom, regex; - - if (this._monthsParseExact) { - return handleStrictParse.call(this, monthName, format, strict); - } - - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } - - // TODO: add sorting - // Sorting makes sure if one month (or abbr) is a prefix of another - // see sorting in computeMonthsParse - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - if (strict && !this._longMonthsParse[i]) { - this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); - this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); - } - if (!strict && !this._monthsParse[i]) { - regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); - this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { - return i; - } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { - return i; - } else if (!strict && this._monthsParse[i].test(monthName)) { - return i; - } - } - } - - // MOMENTS - - function setMonth(mom, value) { - var dayOfMonth; - - if (!mom.isValid()) { - // No op - return mom; - } - - if (typeof value === 'string') { - if (/^\d+$/.test(value)) { - value = toInt(value); - } else { - value = mom.localeData().monthsParse(value); - // TODO: Another silent failure? - if (!isNumber(value)) { - return mom; - } - } - } - - dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + } + if (token) { + formatTokenFunctions[token] = func; + } + if (padded) { + formatTokenFunctions[padded[0]] = function () { + return zeroFill(func.apply(this, arguments), padded[1], padded[2]); + }; + } + if (ordinal) { + formatTokenFunctions[ordinal] = function () { + return this.localeData().ordinal(func.apply(this, arguments), token); + }; + } + } + + function removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); + } + + function makeFormatFunction(format) { + var array = format.match(formattingTokens), i, length; + + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } + + return function (mom) { + var output = '', i; + for (i = 0; i < length; i++) { + output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]; + } + return output; + }; + } + + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } + + format = expandFormat(format, m.localeData()); + formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format); + + return formatFunctions[format](m); + } + + function expandFormat(format, locale) { + var i = 5; + + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } + + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); + localFormattingTokens.lastIndex = 0; + i -= 1; + } + + return format; + } + + var match1 = /\d/; // 0 - 9 + var match2 = /\d\d/; // 00 - 99 + var match3 = /\d{3}/; // 000 - 999 + var match4 = /\d{4}/; // 0000 - 9999 + var match6 = /[+-]?\d{6}/; // -999999 - 999999 + var match1to2 = /\d\d?/; // 0 - 99 + var match3to4 = /\d\d\d\d?/; // 999 - 9999 + var match5to6 = /\d\d\d\d\d\d?/; // 99999 - 999999 + var match1to3 = /\d{1,3}/; // 0 - 999 + var match1to4 = /\d{1,4}/; // 0 - 9999 + var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999 + + var matchUnsigned = /\d+/; // 0 - inf + var matchSigned = /[+-]?\d+/; // -inf - inf + + var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z + var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z + + var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123 + + // any word (or two) characters or numbers including two/three word month in arabic. + // includes scottish gaelic two word and hyphenated months + var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i; + + var regexes = {}; + + function addRegexToken (token, regex, strictRegex) { + regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) { + return (isStrict && strictRegex) ? strictRegex : regex; + }; + } + + function getParseRegexForToken (token, config) { + if (!hasOwnProp(regexes, token)) { + return new RegExp(unescapeFormat(token)); + } + + return regexes[token](config._strict, config._locale); + } + + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function unescapeFormat(s) { + return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + })); + } + + function regexEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } + + var tokens = {}; + + function addParseToken (token, callback) { + var i, func = callback; + if (typeof token === 'string') { + token = [token]; + } + if (isNumber(callback)) { + func = function (input, array) { + array[callback] = toInt(input); + }; + } + for (i = 0; i < token.length; i++) { + tokens[token[i]] = func; + } + } + + function addWeekParseToken (token, callback) { + addParseToken(token, function (input, array, config, token) { + config._w = config._w || {}; + callback(input, config._w, config, token); + }); + } + + function addTimeToArrayFromToken(token, input, config) { + if (input != null && hasOwnProp(tokens, token)) { + tokens[token](input, config._a, config, token); + } + } + + var YEAR = 0; + var MONTH = 1; + var DATE = 2; + var HOUR = 3; + var MINUTE = 4; + var SECOND = 5; + var MILLISECOND = 6; + var WEEK = 7; + var WEEKDAY = 8; + + // FORMATTING + + addFormatToken('Y', 0, 0, function () { + var y = this.year(); + return y <= 9999 ? '' + y : '+' + y; + }); + + addFormatToken(0, ['YY', 2], 0, function () { + return this.year() % 100; + }); + + addFormatToken(0, ['YYYY', 4], 0, 'year'); + addFormatToken(0, ['YYYYY', 5], 0, 'year'); + addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); + + // ALIASES + + addUnitAlias('year', 'y'); + + // PRIORITIES + + addUnitPriority('year', 1); + + // PARSING + + addRegexToken('Y', matchSigned); + addRegexToken('YY', match1to2, match2); + addRegexToken('YYYY', match1to4, match4); + addRegexToken('YYYYY', match1to6, match6); + addRegexToken('YYYYYY', match1to6, match6); + + addParseToken(['YYYYY', 'YYYYYY'], YEAR); + addParseToken('YYYY', function (input, array) { + array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); + }); + addParseToken('YY', function (input, array) { + array[YEAR] = hooks.parseTwoDigitYear(input); + }); + addParseToken('Y', function (input, array) { + array[YEAR] = parseInt(input, 10); + }); + + // HELPERS + + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } + + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } + + // HOOKS + + hooks.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; + + // MOMENTS + + var getSetYear = makeGetSet('FullYear', true); + + function getIsLeapYear () { + return isLeapYear(this.year()); + } + + function makeGetSet (unit, keepTime) { + return function (value) { + if (value != null) { + set$1(this, unit, value); + hooks.updateOffset(this, keepTime); + return this; + } else { + return get(this, unit); + } + }; + } + + function get (mom, unit) { + return mom.isValid() ? + mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN; + } + + function set$1 (mom, unit, value) { + if (mom.isValid() && !isNaN(value)) { + if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) { + mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month())); + } + else { + mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } + } + + // MOMENTS + + function stringGet (units) { + units = normalizeUnits(units); + if (isFunction(this[units])) { + return this[units](); + } + return this; + } + + + function stringSet (units, value) { + if (typeof units === 'object') { + units = normalizeObjectUnits(units); + var prioritized = getPrioritizedUnits(units); + for (var i = 0; i < prioritized.length; i++) { + this[prioritized[i].unit](units[prioritized[i].unit]); + } + } else { + units = normalizeUnits(units); + if (isFunction(this[units])) { + return this[units](value); + } + } + return this; + } + + function mod(n, x) { + return ((n % x) + x) % x; + } + + var indexOf; + + if (Array.prototype.indexOf) { + indexOf = Array.prototype.indexOf; + } else { + indexOf = function (o) { + // I know + var i; + for (i = 0; i < this.length; ++i) { + if (this[i] === o) { + return i; + } + } + return -1; + }; + } + + function daysInMonth(year, month) { + if (isNaN(year) || isNaN(month)) { + return NaN; + } + var modMonth = mod(month, 12); + year += (month - modMonth) / 12; + return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2); + } + + // FORMATTING + + addFormatToken('M', ['MM', 2], 'Mo', function () { + return this.month() + 1; + }); + + addFormatToken('MMM', 0, 0, function (format) { + return this.localeData().monthsShort(this, format); + }); + + addFormatToken('MMMM', 0, 0, function (format) { + return this.localeData().months(this, format); + }); + + // ALIASES + + addUnitAlias('month', 'M'); + + // PRIORITY + + addUnitPriority('month', 8); + + // PARSING + + addRegexToken('M', match1to2); + addRegexToken('MM', match1to2, match2); + addRegexToken('MMM', function (isStrict, locale) { + return locale.monthsShortRegex(isStrict); + }); + addRegexToken('MMMM', function (isStrict, locale) { + return locale.monthsRegex(isStrict); + }); + + addParseToken(['M', 'MM'], function (input, array) { + array[MONTH] = toInt(input) - 1; + }); + + addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { + var month = config._locale.monthsParse(input, token, config._strict); + // if we didn't find a month name, mark the date as invalid. + if (month != null) { + array[MONTH] = month; + } else { + getParsingFlags(config).invalidMonth = input; + } + }); + + // LOCALES + + var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/; + var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); + function localeMonths (m, format) { + if (!m) { + return isArray(this._months) ? this._months : + this._months['standalone']; + } + return isArray(this._months) ? this._months[m.month()] : + this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()]; + } + + var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); + function localeMonthsShort (m, format) { + if (!m) { + return isArray(this._monthsShort) ? this._monthsShort : + this._monthsShort['standalone']; + } + return isArray(this._monthsShort) ? this._monthsShort[m.month()] : + this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()]; + } + + function handleStrictParse(monthName, format, strict) { + var i, ii, mom, llc = monthName.toLocaleLowerCase(); + if (!this._monthsParse) { + // this is not used + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + for (i = 0; i < 12; ++i) { + mom = createUTC([2000, i]); + this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase(); + this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); + } + } + + if (strict) { + if (format === 'MMM') { + ii = indexOf.call(this._shortMonthsParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._longMonthsParse, llc); + return ii !== -1 ? ii : null; + } + } else { + if (format === 'MMM') { + ii = indexOf.call(this._shortMonthsParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._longMonthsParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._longMonthsParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortMonthsParse, llc); + return ii !== -1 ? ii : null; + } + } + } + + function localeMonthsParse (monthName, format, strict) { + var i, mom, regex; + + if (this._monthsParseExact) { + return handleStrictParse.call(this, monthName, format, strict); + } + + if (!this._monthsParse) { + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + } + + // TODO: add sorting + // Sorting makes sure if one month (or abbr) is a prefix of another + // see sorting in computeMonthsParse + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, i]); + if (strict && !this._longMonthsParse[i]) { + this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); + this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); + } + if (!strict && !this._monthsParse[i]) { + regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); + this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { + return i; + } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { + return i; + } else if (!strict && this._monthsParse[i].test(monthName)) { + return i; + } + } + } + + // MOMENTS + + function setMonth (mom, value) { + var dayOfMonth; + + if (!mom.isValid()) { + // No op + return mom; + } + + if (typeof value === 'string') { + if (/^\d+$/.test(value)) { + value = toInt(value); + } else { + value = mom.localeData().monthsParse(value); + // TODO: Another silent failure? + if (!isNumber(value)) { return mom; } + } + } - function getSetMonth(value) { - if (value != null) { - setMonth(this, value); - hooks.updateOffset(this, true); - return this; + dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } + + function getSetMonth (value) { + if (value != null) { + setMonth(this, value); + hooks.updateOffset(this, true); + return this; + } else { + return get(this, 'Month'); + } + } + + function getDaysInMonth () { + return daysInMonth(this.year(), this.month()); + } + + var defaultMonthsShortRegex = matchWord; + function monthsShortRegex (isStrict) { + if (this._monthsParseExact) { + if (!hasOwnProp(this, '_monthsRegex')) { + computeMonthsParse.call(this); + } + if (isStrict) { + return this._monthsShortStrictRegex; + } else { + return this._monthsShortRegex; + } + } else { + if (!hasOwnProp(this, '_monthsShortRegex')) { + this._monthsShortRegex = defaultMonthsShortRegex; + } + return this._monthsShortStrictRegex && isStrict ? + this._monthsShortStrictRegex : this._monthsShortRegex; + } + } + + var defaultMonthsRegex = matchWord; + function monthsRegex (isStrict) { + if (this._monthsParseExact) { + if (!hasOwnProp(this, '_monthsRegex')) { + computeMonthsParse.call(this); + } + if (isStrict) { + return this._monthsStrictRegex; + } else { + return this._monthsRegex; + } + } else { + if (!hasOwnProp(this, '_monthsRegex')) { + this._monthsRegex = defaultMonthsRegex; + } + return this._monthsStrictRegex && isStrict ? + this._monthsStrictRegex : this._monthsRegex; + } + } + + function computeMonthsParse () { + function cmpLenRev(a, b) { + return b.length - a.length; + } + + var shortPieces = [], longPieces = [], mixedPieces = [], + i, mom; + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, i]); + shortPieces.push(this.monthsShort(mom, '')); + longPieces.push(this.months(mom, '')); + mixedPieces.push(this.months(mom, '')); + mixedPieces.push(this.monthsShort(mom, '')); + } + // Sorting makes sure if one month (or abbr) is a prefix of another it + // will match the longer piece. + shortPieces.sort(cmpLenRev); + longPieces.sort(cmpLenRev); + mixedPieces.sort(cmpLenRev); + for (i = 0; i < 12; i++) { + shortPieces[i] = regexEscape(shortPieces[i]); + longPieces[i] = regexEscape(longPieces[i]); + } + for (i = 0; i < 24; i++) { + mixedPieces[i] = regexEscape(mixedPieces[i]); + } + + this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._monthsShortRegex = this._monthsRegex; + this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); + this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); + } + + function createDate (y, m, d, h, M, s, ms) { + // can't just apply() to create a date: + // https://stackoverflow.com/q/181348 + var date = new Date(y, m, d, h, M, s, ms); + + // the date constructor remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0 && isFinite(date.getFullYear())) { + date.setFullYear(y); + } + return date; + } + + function createUTCDate (y) { + var date = new Date(Date.UTC.apply(null, arguments)); + + // the Date.UTC function remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) { + date.setUTCFullYear(y); + } + return date; + } + + // start-of-first-week - start-of-year + function firstWeekOffset(year, dow, doy) { + var // first-week day -- which january is always in the first week (4 for iso, 1 for other) + fwd = 7 + dow - doy, + // first-week day local weekday -- which local weekday is fwd + fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; + + return -fwdlw + fwd - 1; + } + + // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday + function dayOfYearFromWeeks(year, week, weekday, dow, doy) { + var localWeekday = (7 + weekday - dow) % 7, + weekOffset = firstWeekOffset(year, dow, doy), + dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, + resYear, resDayOfYear; + + if (dayOfYear <= 0) { + resYear = year - 1; + resDayOfYear = daysInYear(resYear) + dayOfYear; + } else if (dayOfYear > daysInYear(year)) { + resYear = year + 1; + resDayOfYear = dayOfYear - daysInYear(year); + } else { + resYear = year; + resDayOfYear = dayOfYear; + } + + return { + year: resYear, + dayOfYear: resDayOfYear + }; + } + + function weekOfYear(mom, dow, doy) { + var weekOffset = firstWeekOffset(mom.year(), dow, doy), + week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, + resWeek, resYear; + + if (week < 1) { + resYear = mom.year() - 1; + resWeek = week + weeksInYear(resYear, dow, doy); + } else if (week > weeksInYear(mom.year(), dow, doy)) { + resWeek = week - weeksInYear(mom.year(), dow, doy); + resYear = mom.year() + 1; + } else { + resYear = mom.year(); + resWeek = week; + } + + return { + week: resWeek, + year: resYear + }; + } + + function weeksInYear(year, dow, doy) { + var weekOffset = firstWeekOffset(year, dow, doy), + weekOffsetNext = firstWeekOffset(year + 1, dow, doy); + return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; + } + + // FORMATTING + + addFormatToken('w', ['ww', 2], 'wo', 'week'); + addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); + + // ALIASES + + addUnitAlias('week', 'w'); + addUnitAlias('isoWeek', 'W'); + + // PRIORITIES + + addUnitPriority('week', 5); + addUnitPriority('isoWeek', 5); + + // PARSING + + addRegexToken('w', match1to2); + addRegexToken('ww', match1to2, match2); + addRegexToken('W', match1to2); + addRegexToken('WW', match1to2, match2); + + addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) { + week[token.substr(0, 1)] = toInt(input); + }); + + // HELPERS + + // LOCALES + + function localeWeek (mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + } + + var defaultLocaleWeek = { + dow : 0, // Sunday is the first day of the week. + doy : 6 // The week that contains Jan 1st is the first week of the year. + }; + + function localeFirstDayOfWeek () { + return this._week.dow; + } + + function localeFirstDayOfYear () { + return this._week.doy; + } + + // MOMENTS + + function getSetWeek (input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + } + + function getSetISOWeek (input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + } + + // FORMATTING + + addFormatToken('d', 0, 'do', 'day'); + + addFormatToken('dd', 0, 0, function (format) { + return this.localeData().weekdaysMin(this, format); + }); + + addFormatToken('ddd', 0, 0, function (format) { + return this.localeData().weekdaysShort(this, format); + }); + + addFormatToken('dddd', 0, 0, function (format) { + return this.localeData().weekdays(this, format); + }); + + addFormatToken('e', 0, 0, 'weekday'); + addFormatToken('E', 0, 0, 'isoWeekday'); + + // ALIASES + + addUnitAlias('day', 'd'); + addUnitAlias('weekday', 'e'); + addUnitAlias('isoWeekday', 'E'); + + // PRIORITY + addUnitPriority('day', 11); + addUnitPriority('weekday', 11); + addUnitPriority('isoWeekday', 11); + + // PARSING + + addRegexToken('d', match1to2); + addRegexToken('e', match1to2); + addRegexToken('E', match1to2); + addRegexToken('dd', function (isStrict, locale) { + return locale.weekdaysMinRegex(isStrict); + }); + addRegexToken('ddd', function (isStrict, locale) { + return locale.weekdaysShortRegex(isStrict); + }); + addRegexToken('dddd', function (isStrict, locale) { + return locale.weekdaysRegex(isStrict); + }); + + addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { + var weekday = config._locale.weekdaysParse(input, token, config._strict); + // if we didn't get a weekday name, mark the date as invalid + if (weekday != null) { + week.d = weekday; + } else { + getParsingFlags(config).invalidWeekday = input; + } + }); + + addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { + week[token] = toInt(input); + }); + + // HELPERS + + function parseWeekday(input, locale) { + if (typeof input !== 'string') { + return input; + } + + if (!isNaN(input)) { + return parseInt(input, 10); + } + + input = locale.weekdaysParse(input); + if (typeof input === 'number') { + return input; + } + + return null; + } + + function parseIsoWeekday(input, locale) { + if (typeof input === 'string') { + return locale.weekdaysParse(input) % 7 || 7; + } + return isNaN(input) ? null : input; + } + + // LOCALES + + var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); + function localeWeekdays (m, format) { + if (!m) { + return isArray(this._weekdays) ? this._weekdays : + this._weekdays['standalone']; + } + return isArray(this._weekdays) ? this._weekdays[m.day()] : + this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()]; + } + + var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); + function localeWeekdaysShort (m) { + return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort; + } + + var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); + function localeWeekdaysMin (m) { + return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin; + } + + function handleStrictParse$1(weekdayName, format, strict) { + var i, ii, mom, llc = weekdayName.toLocaleLowerCase(); + if (!this._weekdaysParse) { + this._weekdaysParse = []; + this._shortWeekdaysParse = []; + this._minWeekdaysParse = []; + + for (i = 0; i < 7; ++i) { + mom = createUTC([2000, 1]).day(i); + this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase(); + this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase(); + this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); + } + } + + if (strict) { + if (format === 'dddd') { + ii = indexOf.call(this._weekdaysParse, llc); + return ii !== -1 ? ii : null; + } else if (format === 'ddd') { + ii = indexOf.call(this._shortWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } + } else { + if (format === 'dddd') { + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else if (format === 'ddd') { + ii = indexOf.call(this._shortWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._minWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } + } + } + + function localeWeekdaysParse (weekdayName, format, strict) { + var i, mom, regex; + + if (this._weekdaysParseExact) { + return handleStrictParse$1.call(this, weekdayName, format, strict); + } + + if (!this._weekdaysParse) { + this._weekdaysParse = []; + this._minWeekdaysParse = []; + this._shortWeekdaysParse = []; + this._fullWeekdaysParse = []; + } + + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + + mom = createUTC([2000, 1]).day(i); + if (strict && !this._fullWeekdaysParse[i]) { + this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i'); + this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i'); + this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i'); + } + if (!this._weekdaysParse[i]) { + regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); + this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) { + return i; + } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) { + return i; + } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) { + return i; + } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { + return i; + } + } + } + + // MOMENTS + + function getSetDayOfWeek (input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); + if (input != null) { + input = parseWeekday(input, this.localeData()); + return this.add(input - day, 'd'); + } else { + return day; + } + } + + function getSetLocaleDayOfWeek (input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; + return input == null ? weekday : this.add(input - weekday, 'd'); + } + + function getSetISODayOfWeek (input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + + // behaves the same as moment#day except + // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) + // as a setter, sunday should belong to the previous week. + + if (input != null) { + var weekday = parseIsoWeekday(input, this.localeData()); + return this.day(this.day() % 7 ? weekday : weekday - 7); + } else { + return this.day() || 7; + } + } + + var defaultWeekdaysRegex = matchWord; + function weekdaysRegex (isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysStrictRegex; + } else { + return this._weekdaysRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysRegex')) { + this._weekdaysRegex = defaultWeekdaysRegex; + } + return this._weekdaysStrictRegex && isStrict ? + this._weekdaysStrictRegex : this._weekdaysRegex; + } + } + + var defaultWeekdaysShortRegex = matchWord; + function weekdaysShortRegex (isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysShortStrictRegex; + } else { + return this._weekdaysShortRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysShortRegex')) { + this._weekdaysShortRegex = defaultWeekdaysShortRegex; + } + return this._weekdaysShortStrictRegex && isStrict ? + this._weekdaysShortStrictRegex : this._weekdaysShortRegex; + } + } + + var defaultWeekdaysMinRegex = matchWord; + function weekdaysMinRegex (isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysMinStrictRegex; + } else { + return this._weekdaysMinRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysMinRegex')) { + this._weekdaysMinRegex = defaultWeekdaysMinRegex; + } + return this._weekdaysMinStrictRegex && isStrict ? + this._weekdaysMinStrictRegex : this._weekdaysMinRegex; + } + } + + + function computeWeekdaysParse () { + function cmpLenRev(a, b) { + return b.length - a.length; + } + + var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [], + i, mom, minp, shortp, longp; + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, 1]).day(i); + minp = this.weekdaysMin(mom, ''); + shortp = this.weekdaysShort(mom, ''); + longp = this.weekdays(mom, ''); + minPieces.push(minp); + shortPieces.push(shortp); + longPieces.push(longp); + mixedPieces.push(minp); + mixedPieces.push(shortp); + mixedPieces.push(longp); + } + // Sorting makes sure if one weekday (or abbr) is a prefix of another it + // will match the longer piece. + minPieces.sort(cmpLenRev); + shortPieces.sort(cmpLenRev); + longPieces.sort(cmpLenRev); + mixedPieces.sort(cmpLenRev); + for (i = 0; i < 7; i++) { + shortPieces[i] = regexEscape(shortPieces[i]); + longPieces[i] = regexEscape(longPieces[i]); + mixedPieces[i] = regexEscape(mixedPieces[i]); + } + + this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._weekdaysShortRegex = this._weekdaysRegex; + this._weekdaysMinRegex = this._weekdaysRegex; + + this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); + this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); + this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i'); + } + + // FORMATTING + + function hFormat() { + return this.hours() % 12 || 12; + } + + function kFormat() { + return this.hours() || 24; + } + + addFormatToken('H', ['HH', 2], 0, 'hour'); + addFormatToken('h', ['hh', 2], 0, hFormat); + addFormatToken('k', ['kk', 2], 0, kFormat); + + addFormatToken('hmm', 0, 0, function () { + return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); + }); + + addFormatToken('hmmss', 0, 0, function () { + return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + + zeroFill(this.seconds(), 2); + }); + + addFormatToken('Hmm', 0, 0, function () { + return '' + this.hours() + zeroFill(this.minutes(), 2); + }); + + addFormatToken('Hmmss', 0, 0, function () { + return '' + this.hours() + zeroFill(this.minutes(), 2) + + zeroFill(this.seconds(), 2); + }); + + function meridiem (token, lowercase) { + addFormatToken(token, 0, 0, function () { + return this.localeData().meridiem(this.hours(), this.minutes(), lowercase); + }); + } + + meridiem('a', true); + meridiem('A', false); + + // ALIASES + + addUnitAlias('hour', 'h'); + + // PRIORITY + addUnitPriority('hour', 13); + + // PARSING + + function matchMeridiem (isStrict, locale) { + return locale._meridiemParse; + } + + addRegexToken('a', matchMeridiem); + addRegexToken('A', matchMeridiem); + addRegexToken('H', match1to2); + addRegexToken('h', match1to2); + addRegexToken('k', match1to2); + addRegexToken('HH', match1to2, match2); + addRegexToken('hh', match1to2, match2); + addRegexToken('kk', match1to2, match2); + + addRegexToken('hmm', match3to4); + addRegexToken('hmmss', match5to6); + addRegexToken('Hmm', match3to4); + addRegexToken('Hmmss', match5to6); + + addParseToken(['H', 'HH'], HOUR); + addParseToken(['k', 'kk'], function (input, array, config) { + var kInput = toInt(input); + array[HOUR] = kInput === 24 ? 0 : kInput; + }); + addParseToken(['a', 'A'], function (input, array, config) { + config._isPm = config._locale.isPM(input); + config._meridiem = input; + }); + addParseToken(['h', 'hh'], function (input, array, config) { + array[HOUR] = toInt(input); + getParsingFlags(config).bigHour = true; + }); + addParseToken('hmm', function (input, array, config) { + var pos = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos)); + array[MINUTE] = toInt(input.substr(pos)); + getParsingFlags(config).bigHour = true; + }); + addParseToken('hmmss', function (input, array, config) { + var pos1 = input.length - 4; + var pos2 = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos1)); + array[MINUTE] = toInt(input.substr(pos1, 2)); + array[SECOND] = toInt(input.substr(pos2)); + getParsingFlags(config).bigHour = true; + }); + addParseToken('Hmm', function (input, array, config) { + var pos = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos)); + array[MINUTE] = toInt(input.substr(pos)); + }); + addParseToken('Hmmss', function (input, array, config) { + var pos1 = input.length - 4; + var pos2 = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos1)); + array[MINUTE] = toInt(input.substr(pos1, 2)); + array[SECOND] = toInt(input.substr(pos2)); + }); + + // LOCALES + + function localeIsPM (input) { + // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays + // Using charAt should be more compatible. + return ((input + '').toLowerCase().charAt(0) === 'p'); + } + + var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; + function localeMeridiem (hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + } + + + // MOMENTS + + // Setting the hour should keep the time, because the user explicitly + // specified which hour they want. So trying to maintain the same hour (in + // a new timezone) makes sense. Adding/subtracting hours does not follow + // this rule. + var getSetHour = makeGetSet('Hours', true); + + var baseConfig = { + calendar: defaultCalendar, + longDateFormat: defaultLongDateFormat, + invalidDate: defaultInvalidDate, + ordinal: defaultOrdinal, + dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, + relativeTime: defaultRelativeTime, + + months: defaultLocaleMonths, + monthsShort: defaultLocaleMonthsShort, + + week: defaultLocaleWeek, + + weekdays: defaultLocaleWeekdays, + weekdaysMin: defaultLocaleWeekdaysMin, + weekdaysShort: defaultLocaleWeekdaysShort, + + meridiemParse: defaultLocaleMeridiemParse + }; + + // internal storage for locale config files + var locales = {}; + var localeFamilies = {}; + var globalLocale; + + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } + + // pick the locale from the array + // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each + // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root + function chooseLocale(names) { + var i = 0, j, next, locale, split; + + while (i < names.length) { + split = normalizeLocale(names[i]).split('-'); + j = split.length; + next = normalizeLocale(names[i + 1]); + next = next ? next.split('-') : null; + while (j > 0) { + locale = loadLocale(split.slice(0, j).join('-')); + if (locale) { + return locale; + } + if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { + //the next array item is better than a shallower substring of this one + break; + } + j--; + } + i++; + } + return globalLocale; + } + + function loadLocale(name) { + var oldLocale = null; + // TODO: Find a better way to register and load all the locales in Node + if (!locales[name] && (typeof module !== 'undefined') && + module && module.exports) { + try { + oldLocale = globalLocale._abbr; + var aliasedRequire = require; + aliasedRequire('./locale/' + name); + getSetGlobalLocale(oldLocale); + } catch (e) {} + } + return locales[name]; + } + + // This function will load locale and then set the global locale. If + // no arguments are passed in, it will simply return the current global + // locale key. + function getSetGlobalLocale (key, values) { + var data; + if (key) { + if (isUndefined(values)) { + data = getLocale(key); + } + else { + data = defineLocale(key, values); + } + + if (data) { + // moment.duration._locale = moment._locale = data; + globalLocale = data; + } + else { + if ((typeof console !== 'undefined') && console.warn) { + //warn user if arguments are passed but the locale could not be set + console.warn('Locale ' + key + ' not found. Did you forget to load it?'); + } + } + } + + return globalLocale._abbr; + } + + function defineLocale (name, config) { + if (config !== null) { + var locale, parentConfig = baseConfig; + config.abbr = name; + if (locales[name] != null) { + deprecateSimple('defineLocaleOverride', + 'use moment.updateLocale(localeName, config) to change ' + + 'an existing locale. moment.defineLocale(localeName, ' + + 'config) should only be used for creating a new locale ' + + 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'); + parentConfig = locales[name]._config; + } else if (config.parentLocale != null) { + if (locales[config.parentLocale] != null) { + parentConfig = locales[config.parentLocale]._config; + } else { + locale = loadLocale(config.parentLocale); + if (locale != null) { + parentConfig = locale._config; } else { - return get(this, 'Month'); - } - } - - function getDaysInMonth() { - return daysInMonth(this.year(), this.month()); - } - - var defaultMonthsShortRegex = matchWord; - function monthsShortRegex(isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); + if (!localeFamilies[config.parentLocale]) { + localeFamilies[config.parentLocale] = []; } - if (isStrict) { - return this._monthsShortStrictRegex; - } else { - return this._monthsShortRegex; - } - } else { - if (!hasOwnProp(this, '_monthsShortRegex')) { - this._monthsShortRegex = defaultMonthsShortRegex; - } - return this._monthsShortStrictRegex && isStrict ? - this._monthsShortStrictRegex : this._monthsShortRegex; - } - } - - var defaultMonthsRegex = matchWord; - function monthsRegex(isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsStrictRegex; - } else { - return this._monthsRegex; - } - } else { - if (!hasOwnProp(this, '_monthsRegex')) { - this._monthsRegex = defaultMonthsRegex; - } - return this._monthsStrictRegex && isStrict ? - this._monthsStrictRegex : this._monthsRegex; - } - } - - function computeMonthsParse() { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var shortPieces = [], longPieces = [], mixedPieces = [], - i, mom; - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - shortPieces.push(this.monthsShort(mom, '')); - longPieces.push(this.months(mom, '')); - mixedPieces.push(this.months(mom, '')); - mixedPieces.push(this.monthsShort(mom, '')); - } - // Sorting makes sure if one month (or abbr) is a prefix of another it - // will match the longer piece. - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 12; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - } - for (i = 0; i < 24; i++) { - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._monthsShortRegex = this._monthsRegex; - this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - } - - function createDate(y, m, d, h, M, s, ms) { - // can't just apply() to create a date: - // https://stackoverflow.com/q/181348 - var date = new Date(y, m, d, h, M, s, ms); - - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0 && isFinite(date.getFullYear())) { - date.setFullYear(y); - } - return date; - } - - function createUTCDate(y) { - var date = new Date(Date.UTC.apply(null, arguments)); - - // the Date.UTC function remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) { - date.setUTCFullYear(y); - } - return date; - } - - // start-of-first-week - start-of-year - function firstWeekOffset(year, dow, doy) { - var // first-week day -- which january is always in the first week (4 for iso, 1 for other) - fwd = 7 + dow - doy, - // first-week day local weekday -- which local weekday is fwd - fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; - - return -fwdlw + fwd - 1; - } - - // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday - function dayOfYearFromWeeks(year, week, weekday, dow, doy) { - var localWeekday = (7 + weekday - dow) % 7, - weekOffset = firstWeekOffset(year, dow, doy), - dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, - resYear, resDayOfYear; - - if (dayOfYear <= 0) { - resYear = year - 1; - resDayOfYear = daysInYear(resYear) + dayOfYear; - } else if (dayOfYear > daysInYear(year)) { - resYear = year + 1; - resDayOfYear = dayOfYear - daysInYear(year); - } else { - resYear = year; - resDayOfYear = dayOfYear; - } - - return { - year: resYear, - dayOfYear: resDayOfYear - }; - } - - function weekOfYear(mom, dow, doy) { - var weekOffset = firstWeekOffset(mom.year(), dow, doy), - week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, - resWeek, resYear; - - if (week < 1) { - resYear = mom.year() - 1; - resWeek = week + weeksInYear(resYear, dow, doy); - } else if (week > weeksInYear(mom.year(), dow, doy)) { - resWeek = week - weeksInYear(mom.year(), dow, doy); - resYear = mom.year() + 1; - } else { - resYear = mom.year(); - resWeek = week; - } - - return { - week: resWeek, - year: resYear - }; - } - - function weeksInYear(year, dow, doy) { - var weekOffset = firstWeekOffset(year, dow, doy), - weekOffsetNext = firstWeekOffset(year + 1, dow, doy); - return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; - } - - // FORMATTING - - addFormatToken('w', ['ww', 2], 'wo', 'week'); - addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); - - // ALIASES - - addUnitAlias('week', 'w'); - addUnitAlias('isoWeek', 'W'); - - // PRIORITIES - - addUnitPriority('week', 5); - addUnitPriority('isoWeek', 5); - - // PARSING - - addRegexToken('w', match1to2); - addRegexToken('ww', match1to2, match2); - addRegexToken('W', match1to2); - addRegexToken('WW', match1to2, match2); - - addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) { - week[token.substr(0, 1)] = toInt(input); - }); - - // HELPERS - - // LOCALES - - function localeWeek(mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - } - - var defaultLocaleWeek = { - dow: 0, // Sunday is the first day of the week. - doy: 6 // The week that contains Jan 1st is the first week of the year. - }; - - function localeFirstDayOfWeek() { - return this._week.dow; - } - - function localeFirstDayOfYear() { - return this._week.doy; - } - - // MOMENTS - - function getSetWeek(input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - function getSetISOWeek(input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - // FORMATTING - - addFormatToken('d', 0, 'do', 'day'); - - addFormatToken('dd', 0, 0, function (format) { - return this.localeData().weekdaysMin(this, format); - }); - - addFormatToken('ddd', 0, 0, function (format) { - return this.localeData().weekdaysShort(this, format); - }); - - addFormatToken('dddd', 0, 0, function (format) { - return this.localeData().weekdays(this, format); - }); - - addFormatToken('e', 0, 0, 'weekday'); - addFormatToken('E', 0, 0, 'isoWeekday'); - - // ALIASES - - addUnitAlias('day', 'd'); - addUnitAlias('weekday', 'e'); - addUnitAlias('isoWeekday', 'E'); - - // PRIORITY - addUnitPriority('day', 11); - addUnitPriority('weekday', 11); - addUnitPriority('isoWeekday', 11); - - // PARSING - - addRegexToken('d', match1to2); - addRegexToken('e', match1to2); - addRegexToken('E', match1to2); - addRegexToken('dd', function (isStrict, locale) { - return locale.weekdaysMinRegex(isStrict); - }); - addRegexToken('ddd', function (isStrict, locale) { - return locale.weekdaysShortRegex(isStrict); - }); - addRegexToken('dddd', function (isStrict, locale) { - return locale.weekdaysRegex(isStrict); - }); - - addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { - var weekday = config._locale.weekdaysParse(input, token, config._strict); - // if we didn't get a weekday name, mark the date as invalid - if (weekday != null) { - week.d = weekday; - } else { - getParsingFlags(config).invalidWeekday = input; - } - }); - - addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { - week[token] = toInt(input); - }); - - // HELPERS - - function parseWeekday(input, locale) { - if (typeof input !== 'string') { - return input; - } - - if (!isNaN(input)) { - return parseInt(input, 10); - } - - input = locale.weekdaysParse(input); - if (typeof input === 'number') { - return input; - } - - return null; - } - - function parseIsoWeekday(input, locale) { - if (typeof input === 'string') { - return locale.weekdaysParse(input) % 7 || 7; - } - return isNaN(input) ? null : input; - } - - // LOCALES - - var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); - function localeWeekdays(m, format) { - if (!m) { - return isArray(this._weekdays) ? this._weekdays : - this._weekdays['standalone']; - } - return isArray(this._weekdays) ? this._weekdays[m.day()] : - this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()]; - } - - var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); - function localeWeekdaysShort(m) { - return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort; - } - - var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); - function localeWeekdaysMin(m) { - return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin; - } - - function handleStrictParse$1(weekdayName, format, strict) { - var i, ii, mom, llc = weekdayName.toLocaleLowerCase(); - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._shortWeekdaysParse = []; - this._minWeekdaysParse = []; - - for (i = 0; i < 7; ++i) { - mom = createUTC([2000, 1]).day(i); - this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase(); - this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase(); - this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeWeekdaysParse(weekdayName, format, strict) { - var i, mom, regex; - - if (this._weekdaysParseExact) { - return handleStrictParse$1.call(this, weekdayName, format, strict); - } - - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._minWeekdaysParse = []; - this._shortWeekdaysParse = []; - this._fullWeekdaysParse = []; - } - - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - - mom = createUTC([2000, 1]).day(i); - if (strict && !this._fullWeekdaysParse[i]) { - this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i'); - this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i'); - this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i'); - } - if (!this._weekdaysParse[i]) { - regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); - this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { - return i; - } - } - } - - // MOMENTS - - function getSetDayOfWeek(input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); - if (input != null) { - input = parseWeekday(input, this.localeData()); - return this.add(input - day, 'd'); - } else { - return day; - } - } - - function getSetLocaleDayOfWeek(input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - } - - function getSetISODayOfWeek(input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - - // behaves the same as moment#day except - // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) - // as a setter, sunday should belong to the previous week. - - if (input != null) { - var weekday = parseIsoWeekday(input, this.localeData()); - return this.day(this.day() % 7 ? weekday : weekday - 7); - } else { - return this.day() || 7; - } - } - - var defaultWeekdaysRegex = matchWord; - function weekdaysRegex(isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysStrictRegex; - } else { - return this._weekdaysRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysRegex')) { - this._weekdaysRegex = defaultWeekdaysRegex; - } - return this._weekdaysStrictRegex && isStrict ? - this._weekdaysStrictRegex : this._weekdaysRegex; - } - } - - var defaultWeekdaysShortRegex = matchWord; - function weekdaysShortRegex(isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysShortStrictRegex; - } else { - return this._weekdaysShortRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysShortRegex')) { - this._weekdaysShortRegex = defaultWeekdaysShortRegex; - } - return this._weekdaysShortStrictRegex && isStrict ? - this._weekdaysShortStrictRegex : this._weekdaysShortRegex; - } - } - - var defaultWeekdaysMinRegex = matchWord; - function weekdaysMinRegex(isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysMinStrictRegex; - } else { - return this._weekdaysMinRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysMinRegex')) { - this._weekdaysMinRegex = defaultWeekdaysMinRegex; - } - return this._weekdaysMinStrictRegex && isStrict ? - this._weekdaysMinStrictRegex : this._weekdaysMinRegex; - } - } - - - function computeWeekdaysParse() { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [], - i, mom, minp, shortp, longp; - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, 1]).day(i); - minp = this.weekdaysMin(mom, ''); - shortp = this.weekdaysShort(mom, ''); - longp = this.weekdays(mom, ''); - minPieces.push(minp); - shortPieces.push(shortp); - longPieces.push(longp); - mixedPieces.push(minp); - mixedPieces.push(shortp); - mixedPieces.push(longp); - } - // Sorting makes sure if one weekday (or abbr) is a prefix of another it - // will match the longer piece. - minPieces.sort(cmpLenRev); - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 7; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._weekdaysShortRegex = this._weekdaysRegex; - this._weekdaysMinRegex = this._weekdaysRegex; - - this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i'); - } - - // FORMATTING - - function hFormat() { - return this.hours() % 12 || 12; - } - - function kFormat() { - return this.hours() || 24; - } - - addFormatToken('H', ['HH', 2], 0, 'hour'); - addFormatToken('h', ['hh', 2], 0, hFormat); - addFormatToken('k', ['kk', 2], 0, kFormat); - - addFormatToken('hmm', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); - }); - - addFormatToken('hmmss', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - addFormatToken('Hmm', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2); - }); - - addFormatToken('Hmmss', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - function meridiem(token, lowercase) { - addFormatToken(token, 0, 0, function () { - return this.localeData().meridiem(this.hours(), this.minutes(), lowercase); - }); - } - - meridiem('a', true); - meridiem('A', false); - - // ALIASES - - addUnitAlias('hour', 'h'); - - // PRIORITY - addUnitPriority('hour', 13); - - // PARSING - - function matchMeridiem(isStrict, locale) { - return locale._meridiemParse; - } - - addRegexToken('a', matchMeridiem); - addRegexToken('A', matchMeridiem); - addRegexToken('H', match1to2); - addRegexToken('h', match1to2); - addRegexToken('k', match1to2); - addRegexToken('HH', match1to2, match2); - addRegexToken('hh', match1to2, match2); - addRegexToken('kk', match1to2, match2); - - addRegexToken('hmm', match3to4); - addRegexToken('hmmss', match5to6); - addRegexToken('Hmm', match3to4); - addRegexToken('Hmmss', match5to6); - - addParseToken(['H', 'HH'], HOUR); - addParseToken(['k', 'kk'], function (input, array, config) { - var kInput = toInt(input); - array[HOUR] = kInput === 24 ? 0 : kInput; - }); - addParseToken(['a', 'A'], function (input, array, config) { - config._isPm = config._locale.isPM(input); - config._meridiem = input; - }); - addParseToken(['h', 'hh'], function (input, array, config) { - array[HOUR] = toInt(input); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('Hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - }); - addParseToken('Hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - }); - - // LOCALES - - function localeIsPM(input) { - // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays - // Using charAt should be more compatible. - return ((input + '').toLowerCase().charAt(0) === 'p'); - } - - var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; - function localeMeridiem(hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - } - - - // MOMENTS - - // Setting the hour should keep the time, because the user explicitly - // specified which hour he wants. So trying to maintain the same hour (in - // a new timezone) makes sense. Adding/subtracting hours does not follow - // this rule. - var getSetHour = makeGetSet('Hours', true); - - // months - // week - // weekdays - // meridiem - var baseConfig = { - calendar: defaultCalendar, - longDateFormat: defaultLongDateFormat, - invalidDate: defaultInvalidDate, - ordinal: defaultOrdinal, - dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, - relativeTime: defaultRelativeTime, - - months: defaultLocaleMonths, - monthsShort: defaultLocaleMonthsShort, - - week: defaultLocaleWeek, - - weekdays: defaultLocaleWeekdays, - weekdaysMin: defaultLocaleWeekdaysMin, - weekdaysShort: defaultLocaleWeekdaysShort, - - meridiemParse: defaultLocaleMeridiemParse - }; - - // internal storage for locale config files - var locales = {}; - var localeFamilies = {}; - var globalLocale; - - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; - } - - // pick the locale from the array - // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each - // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root - function chooseLocale(names) { - var i = 0, j, next, locale, split; - - while (i < names.length) { - split = normalizeLocale(names[i]).split('-'); - j = split.length; - next = normalizeLocale(names[i + 1]); - next = next ? next.split('-') : null; - while (j > 0) { - locale = loadLocale(split.slice(0, j).join('-')); - if (locale) { - return locale; - } - if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { - //the next array item is better than a shallower substring of this one - break; - } - j--; - } - i++; - } - return null; - } - - function loadLocale(name) { - var oldLocale = null; - // TODO: Find a better way to register and load all the locales in Node - if (!locales[name] && (typeof module !== 'undefined') && - module && module.exports) { - try { - oldLocale = globalLocale._abbr; - var aliasedRequire = require; - aliasedRequire('./locale/' + name); - getSetGlobalLocale(oldLocale); - } catch (e) { } - } - return locales[name]; - } - - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - function getSetGlobalLocale(key, values) { - var data; - if (key) { - if (isUndefined(values)) { - data = getLocale(key); - } - else { - data = defineLocale(key, values); - } - - if (data) { - // moment.duration._locale = moment._locale = data; - globalLocale = data; - } - } - - return globalLocale._abbr; - } - - function defineLocale(name, config) { - if (config !== null) { - var parentConfig = baseConfig; - config.abbr = name; - if (locales[name] != null) { - deprecateSimple('defineLocaleOverride', - 'use moment.updateLocale(localeName, config) to change ' + - 'an existing locale. moment.defineLocale(localeName, ' + - 'config) should only be used for creating a new locale ' + - 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'); - parentConfig = locales[name]._config; - } else if (config.parentLocale != null) { - if (locales[config.parentLocale] != null) { - parentConfig = locales[config.parentLocale]._config; - } else { - if (!localeFamilies[config.parentLocale]) { - localeFamilies[config.parentLocale] = []; - } - localeFamilies[config.parentLocale].push({ - name: name, - config: config - }); - return null; - } - } - locales[name] = new Locale(mergeConfigs(parentConfig, config)); - - if (localeFamilies[name]) { - localeFamilies[name].forEach(function (x) { - defineLocale(x.name, x.config); - }); - } - - // backwards compat for now: also set the locale - // make sure we set the locale AFTER all child locales have been - // created, so we won't end up with the child locale set. - getSetGlobalLocale(name); - - - return locales[name]; - } else { - // useful for testing - delete locales[name]; + localeFamilies[config.parentLocale].push({ + name: name, + config: config + }); return null; } } - - function updateLocale(name, config) { - if (config != null) { - var locale, tmpLocale, parentConfig = baseConfig; - // MERGE - tmpLocale = loadLocale(name); - if (tmpLocale != null) { - parentConfig = tmpLocale._config; - } - config = mergeConfigs(parentConfig, config); - locale = new Locale(config); - locale.parentLocale = locales[name]; - locales[name] = locale; - - // backwards compat for now: also set the locale - getSetGlobalLocale(name); - } else { - // pass null for config to unupdate, useful for tests - if (locales[name] != null) { - if (locales[name].parentLocale != null) { - locales[name] = locales[name].parentLocale; - } else if (locales[name] != null) { - delete locales[name]; - } - } - } - return locales[name]; - } - - // returns locale data - function getLocale(key) { - var locale; - - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } - - if (!key) { - return globalLocale; - } - - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } - - return chooseLocale(key); - } - - function listLocales() { - return keys(locales); - } - - function checkOverflow(m) { - var overflow; - var a = m._a; - - if (a && getParsingFlags(m).overflow === -2) { - overflow = - a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : - a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : - a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : - a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : - a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : - a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : - -1; - - if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } - if (getParsingFlags(m)._overflowWeeks && overflow === -1) { - overflow = WEEK; - } - if (getParsingFlags(m)._overflowWeekday && overflow === -1) { - overflow = WEEKDAY; - } - - getParsingFlags(m).overflow = overflow; - } - - return m; - } - - // Pick the first defined of two or three arguments. - function defaults(a, b, c) { - if (a != null) { - return a; - } - if (b != null) { - return b; - } - return c; - } - - function currentDateArray(config) { - // hooks is actually the exported moment object - var nowValue = new Date(hooks.now()); - if (config._useUTC) { - return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()]; - } - return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; - } - - // convert an array to a date. - // the array should mirror the parameters below - // note: all values past the year are optional and will default to the lowest possible value. - // [year, month, day , hour, minute, second, millisecond] - function configFromArray(config) { - var i, date, input = [], currentDate, expectedWeekday, yearToUse; - - if (config._d) { - return; - } - - currentDate = currentDateArray(config); - - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } - - //if the day of the year is set, figure out what it is - if (config._dayOfYear != null) { - yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); - - if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) { - getParsingFlags(config)._overflowDayOfYear = true; - } - - date = createUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } - - // Default to current date. - // * if no year, month, day of month are given, default to today - // * if day of month is given, default month and year - // * if month is given, default only year - // * if year is given, don't default anything - for (i = 0; i < 3 && config._a[i] == null; ++i) { - config._a[i] = input[i] = currentDate[i]; - } - - // Zero out whatever was not defaulted, including time - for (; i < 7; i++) { - config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; - } - - // Check for 24:00:00.000 - if (config._a[HOUR] === 24 && - config._a[MINUTE] === 0 && - config._a[SECOND] === 0 && - config._a[MILLISECOND] === 0) { - config._nextDay = true; - config._a[HOUR] = 0; - } - - config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); - expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); - - // Apply timezone offset from input. The actual utcOffset can be changed - // with parseZone. - if (config._tzm != null) { - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - } - - if (config._nextDay) { - config._a[HOUR] = 24; - } - - // check for mismatching day of week - if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) { - getParsingFlags(config).weekdayMismatch = true; - } - } - - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow; - - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; - - // TODO: We need to take the current isoWeekYear, but that depends on - // how we interpret now (local, utc, fixed offset). So create - // a now version of current config (take local/utc/offset flags, and - // create now). - weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year); - week = defaults(w.W, 1); - weekday = defaults(w.E, 1); - if (weekday < 1 || weekday > 7) { - weekdayOverflow = true; - } - } else { - dow = config._locale._week.dow; - doy = config._locale._week.doy; - - var curWeek = weekOfYear(createLocal(), dow, doy); - - weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); - - // Default to current week. - week = defaults(w.w, curWeek.week); - - if (w.d != null) { - // weekday -- low day numbers are considered next week - weekday = w.d; - if (weekday < 0 || weekday > 6) { - weekdayOverflow = true; - } - } else if (w.e != null) { - // local weekday -- counting starts from begining of week - weekday = w.e + dow; - if (w.e < 0 || w.e > 6) { - weekdayOverflow = true; - } - } else { - // default to begining of week - weekday = dow; - } - } - if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { - getParsingFlags(config)._overflowWeeks = true; - } else if (weekdayOverflow != null) { - getParsingFlags(config)._overflowWeekday = true; - } else { - temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; - } - } - - // iso 8601 regex - // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) - var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - - var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/; - - var isoDates = [ - ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], - ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], - ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], - ['GGGG-[W]WW', /\d{4}-W\d\d/, false], - ['YYYY-DDD', /\d{4}-\d{3}/], - ['YYYY-MM', /\d{4}-\d\d/, false], - ['YYYYYYMMDD', /[+-]\d{10}/], - ['YYYYMMDD', /\d{8}/], - // YYYYMM is NOT allowed by the standard - ['GGGG[W]WWE', /\d{4}W\d{3}/], - ['GGGG[W]WW', /\d{4}W\d{2}/, false], - ['YYYYDDD', /\d{7}/] - ]; - - // iso time formats and regexes - var isoTimes = [ - ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], - ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], - ['HH:mm:ss', /\d\d:\d\d:\d\d/], - ['HH:mm', /\d\d:\d\d/], - ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], - ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], - ['HHmmss', /\d\d\d\d\d\d/], - ['HHmm', /\d\d\d\d/], - ['HH', /\d\d/] - ]; - - var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i; - - // date from iso format - function configFromISO(config) { - var i, l, - string = config._i, - match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), - allowTime, dateFormat, timeFormat, tzFormat; - - if (match) { - getParsingFlags(config).iso = true; - - for (i = 0, l = isoDates.length; i < l; i++) { - if (isoDates[i][1].exec(match[1])) { - dateFormat = isoDates[i][0]; - allowTime = isoDates[i][2] !== false; - break; - } - } - if (dateFormat == null) { - config._isValid = false; - return; - } - if (match[3]) { - for (i = 0, l = isoTimes.length; i < l; i++) { - if (isoTimes[i][1].exec(match[3])) { - // match[2] should be 'T' or space - timeFormat = (match[2] || ' ') + isoTimes[i][0]; - break; - } - } - if (timeFormat == null) { - config._isValid = false; - return; - } - } - if (!allowTime && timeFormat != null) { - config._isValid = false; - return; - } - if (match[4]) { - if (tzRegex.exec(match[4])) { - tzFormat = 'Z'; - } else { - config._isValid = false; - return; - } - } - config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); - configFromStringAndFormat(config); - } else { - config._isValid = false; - } - } - - // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 - var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/; - - function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { - var result = [ - untruncateYear(yearStr), - defaultLocaleMonthsShort.indexOf(monthStr), - parseInt(dayStr, 10), - parseInt(hourStr, 10), - parseInt(minuteStr, 10) - ]; - - if (secondStr) { - result.push(parseInt(secondStr, 10)); - } - - return result; - } - - function untruncateYear(yearStr) { - var year = parseInt(yearStr, 10); - if (year <= 49) { - return 2000 + year; - } else if (year <= 999) { - return 1900 + year; - } - return year; - } - - function preprocessRFC2822(s) { - // Remove comments and folding whitespace and replace multiple-spaces with a single space - return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').trim(); - } - - function checkWeekday(weekdayStr, parsedInput, config) { - if (weekdayStr) { - // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check. - var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), - weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay(); - if (weekdayProvided !== weekdayActual) { - getParsingFlags(config).weekdayMismatch = true; - config._isValid = false; - return false; - } - } - return true; - } - - var obsOffsets = { - UT: 0, - GMT: 0, - EDT: -4 * 60, - EST: -5 * 60, - CDT: -5 * 60, - CST: -6 * 60, - MDT: -6 * 60, - MST: -7 * 60, - PDT: -7 * 60, - PST: -8 * 60 - }; - - function calculateOffset(obsOffset, militaryOffset, numOffset) { - if (obsOffset) { - return obsOffsets[obsOffset]; - } else if (militaryOffset) { - // the only allowed military tz is Z - return 0; - } else { - var hm = parseInt(numOffset, 10); - var m = hm % 100, h = (hm - m) / 100; - return h * 60 + m; - } - } - - // date and time from ref 2822 format - function configFromRFC2822(config) { - var match = rfc2822.exec(preprocessRFC2822(config._i)); - if (match) { - var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]); - if (!checkWeekday(match[1], parsedArray, config)) { - return; - } - - config._a = parsedArray; - config._tzm = calculateOffset(match[8], match[9], match[10]); - - config._d = createUTCDate.apply(null, config._a); - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - - getParsingFlags(config).rfc2822 = true; - } else { - config._isValid = false; - } - } - - // date from iso format or fallback - function configFromString(config) { - var matched = aspNetJsonRegex.exec(config._i); - - if (matched !== null) { - config._d = new Date(+matched[1]); - return; - } - - configFromISO(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - configFromRFC2822(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - // Final attempt, use Input Fallback - hooks.createFromInputFallback(config); - } - - hooks.createFromInputFallback = deprecate( - 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + - 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + - 'discouraged and will be removed in an upcoming major release. Please refer to ' + - 'http://momentjs.com/guides/#/warnings/js-date/ for more info.', - function (config) { - config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); - } - ); - - // constant that refers to the ISO standard - hooks.ISO_8601 = function () { }; - - // constant that refers to the RFC 2822 form - hooks.RFC_2822 = function () { }; - - // date from string and format string - function configFromStringAndFormat(config) { - // TODO: Move this to another part of the creation flow to prevent circular deps - if (config._f === hooks.ISO_8601) { - configFromISO(config); - return; - } - if (config._f === hooks.RFC_2822) { - configFromRFC2822(config); - return; - } - config._a = []; - getParsingFlags(config).empty = true; - - // This array is used to make a Date, either with `new Date` or `Date.UTC` - var string = '' + config._i, - i, parsedInput, tokens, token, skipped, - stringLength = string.length, - totalParsedInputLength = 0; - - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - - for (i = 0; i < tokens.length; i++) { - token = tokens[i]; - parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; - // console.log('token', token, 'parsedInput', parsedInput, - // 'regex', getParseRegexForToken(token, config)); - if (parsedInput) { - skipped = string.substr(0, string.indexOf(parsedInput)); - if (skipped.length > 0) { - getParsingFlags(config).unusedInput.push(skipped); - } - string = string.slice(string.indexOf(parsedInput) + parsedInput.length); - totalParsedInputLength += parsedInput.length; - } - // don't parse if it's not a known token - if (formatTokenFunctions[token]) { - if (parsedInput) { - getParsingFlags(config).empty = false; - } - else { - getParsingFlags(config).unusedTokens.push(token); - } - addTimeToArrayFromToken(token, parsedInput, config); - } - else if (config._strict && !parsedInput) { - getParsingFlags(config).unusedTokens.push(token); - } - } - - // add remaining unparsed input length to the string - getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - getParsingFlags(config).unusedInput.push(string); - } - - // clear _12h flag if hour is <= 12 - if (config._a[HOUR] <= 12 && - getParsingFlags(config).bigHour === true && - config._a[HOUR] > 0) { - getParsingFlags(config).bigHour = undefined; - } - - getParsingFlags(config).parsedDateParts = config._a.slice(0); - getParsingFlags(config).meridiem = config._meridiem; - // handle meridiem - config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); - - configFromArray(config); - checkOverflow(config); - } - - - function meridiemFixWrap(locale, hour, meridiem) { - var isPm; - - if (meridiem == null) { - // nothing to do - return hour; - } - if (locale.meridiemHour != null) { - return locale.meridiemHour(hour, meridiem); - } else if (locale.isPM != null) { - // Fallback - isPm = locale.isPM(meridiem); - if (isPm && hour < 12) { - hour += 12; - } - if (!isPm && hour === 12) { - hour = 0; - } - return hour; - } else { - // this is not supposed to happen - return hour; - } - } - - // date from string and array of format strings - function configFromStringAndArray(config) { - var tempConfig, - bestMoment, - - scoreToBeat, - i, - currentScore; - - if (config._f.length === 0) { - getParsingFlags(config).invalidFormat = true; - config._d = new Date(NaN); - return; - } - - for (i = 0; i < config._f.length; i++) { - currentScore = 0; - tempConfig = copyConfig({}, config); - if (config._useUTC != null) { - tempConfig._useUTC = config._useUTC; - } - tempConfig._f = config._f[i]; - configFromStringAndFormat(tempConfig); - - if (!isValid(tempConfig)) { - continue; - } - - // if there is any input that was not parsed add a penalty for that format - currentScore += getParsingFlags(tempConfig).charsLeftOver; - - //or tokens - currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; - - getParsingFlags(tempConfig).score = currentScore; - - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } - - extend(config, bestMoment || tempConfig); - } - - function configFromObject(config) { - if (config._d) { - return; - } - - var i = normalizeObjectUnits(config._i); - config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) { - return obj && parseInt(obj, 10); - }); - - configFromArray(config); - } - - function createFromConfig(config) { - var res = new Moment(checkOverflow(prepareConfig(config))); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } - - return res; - } - - function prepareConfig(config) { - var input = config._i, - format = config._f; - - config._locale = config._locale || getLocale(config._l); - - if (input === null || (format === undefined && input === '')) { - return createInvalid({ nullInput: true }); - } - - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } - - if (isMoment(input)) { - return new Moment(checkOverflow(input)); - } else if (isDate(input)) { - config._d = input; - } else if (isArray(format)) { - configFromStringAndArray(config); - } else if (format) { - configFromStringAndFormat(config); - } else { - configFromInput(config); - } - - if (!isValid(config)) { - config._d = null; - } - - return config; - } - - function configFromInput(config) { - var input = config._i; - if (isUndefined(input)) { - config._d = new Date(hooks.now()); - } else if (isDate(input)) { - config._d = new Date(input.valueOf()); - } else if (typeof input === 'string') { - configFromString(config); - } else if (isArray(input)) { - config._a = map(input.slice(0), function (obj) { - return parseInt(obj, 10); - }); - configFromArray(config); - } else if (isObject(input)) { - configFromObject(config); - } else if (isNumber(input)) { - // from milliseconds - config._d = new Date(input); - } else { - hooks.createFromInputFallback(config); - } - } - - function createLocalOrUTC(input, format, locale, strict, isUTC) { - var c = {}; - - if (locale === true || locale === false) { - strict = locale; - locale = undefined; - } - - if ((isObject(input) && isObjectEmpty(input)) || - (isArray(input) && input.length === 0)) { - input = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c._isAMomentObject = true; - c._useUTC = c._isUTC = isUTC; - c._l = locale; - c._i = input; - c._f = format; - c._strict = strict; - - return createFromConfig(c); - } - - function createLocal(input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, false); - } - - var prototypeMin = deprecate( - 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other < this ? this : other; - } else { - return createInvalid(); - } - } - ); - - var prototypeMax = deprecate( - 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other > this ? this : other; - } else { - return createInvalid(); - } - } - ); - - // Pick a moment m from moments so that m[fn](other) is true for all - // other. This relies on the function fn to be transitive. - // - // moments should either be an array of moment objects or an array, whose - // first element is an array of moment objects. - function pickBy(fn, moments) { - var res, i; - if (moments.length === 1 && isArray(moments[0])) { - moments = moments[0]; - } - if (!moments.length) { - return createLocal(); - } - res = moments[0]; - for (i = 1; i < moments.length; ++i) { - if (!moments[i].isValid() || moments[i][fn](res)) { - res = moments[i]; - } - } - return res; - } - - // TODO: Use [].sort instead? - function min() { - var args = [].slice.call(arguments, 0); - - return pickBy('isBefore', args); - } - - function max() { - var args = [].slice.call(arguments, 0); - - return pickBy('isAfter', args); - } - - var now = function () { - return Date.now ? Date.now() : +(new Date()); - }; - - var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond']; - - function isDurationValid(m) { - for (var key in m) { - if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) { - return false; - } - } - - var unitHasDecimal = false; - for (var i = 0; i < ordering.length; ++i) { - if (m[ordering[i]]) { - if (unitHasDecimal) { - return false; // only allow non-integers for smallest unit - } - if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { - unitHasDecimal = true; - } - } - } - - return true; - } - - function isValid$1() { - return this._isValid; - } - - function createInvalid$1() { - return createDuration(NaN); - } - - function Duration(duration) { - var normalizedInput = normalizeObjectUnits(duration), - years = normalizedInput.year || 0, - quarters = normalizedInput.quarter || 0, - months = normalizedInput.month || 0, - weeks = normalizedInput.week || 0, - days = normalizedInput.day || 0, - hours = normalizedInput.hour || 0, - minutes = normalizedInput.minute || 0, - seconds = normalizedInput.second || 0, - milliseconds = normalizedInput.millisecond || 0; - - this._isValid = isDurationValid(normalizedInput); - - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible to translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; - - this._data = {}; - - this._locale = getLocale(); - - this._bubble(); - } - - function isDuration(obj) { - return obj instanceof Duration; - } - - function absRound(number) { - if (number < 0) { - return Math.round(-1 * number) * -1; - } else { - return Math.round(number); - } - } - - // FORMATTING - - function offset(token, separator) { - addFormatToken(token, 0, 0, function () { - var offset = this.utcOffset(); - var sign = '+'; - if (offset < 0) { - offset = -offset; - sign = '-'; - } - return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); - }); - } - - offset('Z', ':'); - offset('ZZ', ''); - - // PARSING - - addRegexToken('Z', matchShortOffset); - addRegexToken('ZZ', matchShortOffset); - addParseToken(['Z', 'ZZ'], function (input, array, config) { - config._useUTC = true; - config._tzm = offsetFromString(matchShortOffset, input); - }); - - // HELPERS - - // timezone chunker - // '+10:00' > ['10', '00'] - // '-1530' > ['-15', '30'] - var chunkOffset = /([\+\-]|\d\d)/gi; - - function offsetFromString(matcher, string) { - var matches = (string || '').match(matcher); - - if (matches === null) { - return null; - } - - var chunk = matches[matches.length - 1] || []; - var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; - var minutes = +(parts[1] * 60) + toInt(parts[2]); - - return minutes === 0 ? - 0 : - parts[0] === '+' ? minutes : -minutes; - } - - // Return a moment from input, that is local/utc/zone equivalent to model. - function cloneWithOffset(input, model) { - var res, diff; - if (model._isUTC) { - res = model.clone(); - diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); - // Use low-level api, because this fn is low-level api. - res._d.setTime(res._d.valueOf() + diff); - hooks.updateOffset(res, false); - return res; - } else { - return createLocal(input).local(); - } - } - - function getDateOffset(m) { - // On Firefox.24 Date#getTimezoneOffset returns a floating point. - // https://github.com/moment/moment/pull/1871 - return -Math.round(m._d.getTimezoneOffset() / 15) * 15; - } - - // HOOKS - - // This function will be called whenever a moment is mutated. - // It is intended to keep the offset in sync with the timezone. - hooks.updateOffset = function () { }; - - // MOMENTS - - // keepLocalTime = true means only change the timezone, without - // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> - // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset - // +0200, so we adjust the time as needed, to be valid. - // - // Keeping the time actually adds/subtracts (one hour) - // from the actual represented time. That is why we call updateOffset - // a second time. In case it wants us to change the offset again - // _changeInProgress == true case, then we have to adjust, because - // there is no such time in the given timezone. - function getSetOffset(input, keepLocalTime, keepMinutes) { - var offset = this._offset || 0, - localAdjust; - if (!this.isValid()) { - return input != null ? this : NaN; - } - if (input != null) { - if (typeof input === 'string') { - input = offsetFromString(matchShortOffset, input); - if (input === null) { - return this; - } - } else if (Math.abs(input) < 16 && !keepMinutes) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = getDateOffset(this); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.add(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addSubtract(this, createDuration(input - offset, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - hooks.updateOffset(this, true); - this._changeInProgress = null; - } - } - return this; - } else { - return this._isUTC ? offset : getDateOffset(this); - } - } - - function getSetZone(input, keepLocalTime) { - if (input != null) { - if (typeof input !== 'string') { - input = -input; - } - - this.utcOffset(input, keepLocalTime); - - return this; - } else { - return -this.utcOffset(); - } - } - - function setOffsetToUTC(keepLocalTime) { - return this.utcOffset(0, keepLocalTime); - } - - function setOffsetToLocal(keepLocalTime) { - if (this._isUTC) { - this.utcOffset(0, keepLocalTime); - this._isUTC = false; - - if (keepLocalTime) { - this.subtract(getDateOffset(this), 'm'); - } - } - return this; - } - - function setOffsetToParsedOffset() { - if (this._tzm != null) { - this.utcOffset(this._tzm, false, true); - } else if (typeof this._i === 'string') { - var tZone = offsetFromString(matchOffset, this._i); - if (tZone != null) { - this.utcOffset(tZone); - } - else { - this.utcOffset(0, true); - } - } - return this; - } - - function hasAlignedHourOffset(input) { - if (!this.isValid()) { - return false; - } - input = input ? createLocal(input).utcOffset() : 0; - - return (this.utcOffset() - input) % 60 === 0; - } - - function isDaylightSavingTime() { - return ( - this.utcOffset() > this.clone().month(0).utcOffset() || - this.utcOffset() > this.clone().month(5).utcOffset() - ); - } - - function isDaylightSavingTimeShifted() { - if (!isUndefined(this._isDSTShifted)) { - return this._isDSTShifted; - } - - var c = {}; - - copyConfig(c, this); - c = prepareConfig(c); - - if (c._a) { - var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); - this._isDSTShifted = this.isValid() && - compareArrays(c._a, other.toArray()) > 0; - } else { - this._isDSTShifted = false; - } - - return this._isDSTShifted; - } - - function isLocal() { - return this.isValid() ? !this._isUTC : false; - } - - function isUtcOffset() { - return this.isValid() ? this._isUTC : false; - } - - function isUtc() { - return this.isValid() ? this._isUTC && this._offset === 0 : false; - } - - // ASP.NET json date format regex - var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/; - - // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html - // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere - // and further modified to allow for strings containing both week and day - var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; - - function createDuration(input, key) { - var duration = input, - // matching against regexp is expensive, do it on demand - match = null, - sign, - ret, - diffRes; - - if (isDuration(input)) { - duration = { - ms: input._milliseconds, - d: input._days, - M: input._months - }; - } else if (isNumber(input)) { - duration = {}; - if (key) { - duration[key] = input; - } else { - duration.milliseconds = input; - } - } else if (!!(match = aspNetRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y: 0, - d: toInt(match[DATE]) * sign, - h: toInt(match[HOUR]) * sign, - m: toInt(match[MINUTE]) * sign, - s: toInt(match[SECOND]) * sign, - ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match - }; - } else if (!!(match = isoRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : (match[1] === '+') ? 1 : 1; - duration = { - y: parseIso(match[2], sign), - M: parseIso(match[3], sign), - w: parseIso(match[4], sign), - d: parseIso(match[5], sign), - h: parseIso(match[6], sign), - m: parseIso(match[7], sign), - s: parseIso(match[8], sign) - }; - } else if (duration == null) {// checks for null or undefined - duration = {}; - } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { - diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to)); - - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } - - ret = new Duration(duration); - - if (isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } - - return ret; - } - - createDuration.fn = Duration.prototype; - createDuration.invalid = createInvalid$1; - - function parseIso(inp, sign) { - // We'd normally use ~~inp for this, but unfortunately it also - // converts floats to ints. - // inp may be undefined, so careful calling replace on it. - var res = inp && parseFloat(inp.replace(',', '.')); - // apply sign while we're at it - return (isNaN(res) ? 0 : res) * sign; - } - - function positiveMomentsDifference(base, other) { - var res = { milliseconds: 0, months: 0 }; - - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } - - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - - return res; - } - - function momentsDifference(base, other) { - var res; - if (!(base.isValid() && other.isValid())) { - return { milliseconds: 0, months: 0 }; - } - - other = cloneWithOffset(other, base); - if (base.isBefore(other)) { - res = positiveMomentsDifference(base, other); - } else { - res = positiveMomentsDifference(other, base); - res.milliseconds = -res.milliseconds; - res.months = -res.months; - } - - return res; - } - - // TODO: remove 'name' arg after deprecation is removed - function createAdder(direction, name) { - return function (val, period) { - var dur, tmp; - //invert the arguments, but complain about it - if (period !== null && !isNaN(+period)) { - deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + - 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'); - tmp = val; val = period; period = tmp; - } - - val = typeof val === 'string' ? +val : val; - dur = createDuration(val, period); - addSubtract(this, dur, direction); - return this; - }; - } - - function addSubtract(mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = absRound(duration._days), - months = absRound(duration._months); - - if (!mom.isValid()) { - // No op - return; - } - - updateOffset = updateOffset == null ? true : updateOffset; - - if (months) { - setMonth(mom, get(mom, 'Month') + months * isAdding); - } - if (days) { - set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); - } - if (milliseconds) { - mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); - } - if (updateOffset) { - hooks.updateOffset(mom, days || months); - } - } - - var add = createAdder(1, 'add'); - var subtract = createAdder(-1, 'subtract'); - - function getCalendarFormat(myMoment, now) { - var diff = myMoment.diff(now, 'days', true); - return diff < -6 ? 'sameElse' : - diff < -1 ? 'lastWeek' : - diff < 0 ? 'lastDay' : - diff < 1 ? 'sameDay' : - diff < 2 ? 'nextDay' : - diff < 7 ? 'nextWeek' : 'sameElse'; - } - - function calendar$1(time, formats) { - // We want to compare the start of today, vs this. - // Getting start-of-today depends on whether we're local/utc/offset or not. - var now = time || createLocal(), - sod = cloneWithOffset(now, this).startOf('day'), - format = hooks.calendarFormat(this, sod) || 'sameElse'; - - var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]); - - return this.format(output || this.localeData().calendar(format, this, createLocal(now))); - } - - function clone() { - return new Moment(this); - } - - function isAfter(input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(!isUndefined(units) ? units : 'millisecond'); - if (units === 'millisecond') { - return this.valueOf() > localInput.valueOf(); - } else { - return localInput.valueOf() < this.clone().startOf(units).valueOf(); - } - } - - function isBefore(input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(!isUndefined(units) ? units : 'millisecond'); - if (units === 'millisecond') { - return this.valueOf() < localInput.valueOf(); - } else { - return this.clone().endOf(units).valueOf() < localInput.valueOf(); - } - } - - function isBetween(from, to, units, inclusivity) { - inclusivity = inclusivity || '()'; - return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) && - (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units)); - } - - function isSame(input, units) { - var localInput = isMoment(input) ? input : createLocal(input), - inputMs; - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units || 'millisecond'); - if (units === 'millisecond') { - return this.valueOf() === localInput.valueOf(); - } else { - inputMs = localInput.valueOf(); - return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf(); - } - } - - function isSameOrAfter(input, units) { - return this.isSame(input, units) || this.isAfter(input, units); - } - - function isSameOrBefore(input, units) { - return this.isSame(input, units) || this.isBefore(input, units); - } - - function diff(input, units, asFloat) { - var that, - zoneDelta, - delta, output; - - if (!this.isValid()) { - return NaN; - } - - that = cloneWithOffset(input, this); - - if (!that.isValid()) { - return NaN; - } - - zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; - - units = normalizeUnits(units); - - switch (units) { - case 'year': output = monthDiff(this, that) / 12; break; - case 'month': output = monthDiff(this, that); break; - case 'quarter': output = monthDiff(this, that) / 3; break; - case 'second': output = (this - that) / 1e3; break; // 1000 - case 'minute': output = (this - that) / 6e4; break; // 1000 * 60 - case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60 - case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst - case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst - default: output = this - that; - } - - return asFloat ? output : absFloor(output); - } - - function monthDiff(a, b) { - // difference in months - var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), - // b is in (anchor - 1 month, anchor + 1 month) - anchor = a.clone().add(wholeMonthDiff, 'months'), - anchor2, adjust; - - if (b - anchor < 0) { - anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor - anchor2); - } else { - anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor2 - anchor); - } - - //check for negative zero, return zero if negative zero - return -(wholeMonthDiff + adjust) || 0; - } - - hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; - hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; - - function toString() { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - } - - function toISOString(keepOffset) { - if (!this.isValid()) { - return null; - } - var utc = keepOffset !== true; - var m = utc ? this.clone().utc() : this; - if (m.year() < 0 || m.year() > 9999) { - return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - if (isFunction(Date.prototype.toISOString)) { - // native implementation is ~50x faster, use it when we can - if (utc) { - return this.toDate().toISOString(); - } else { - return new Date(this._d.valueOf()).toISOString().replace('Z', formatMoment(m, 'Z')); - } - } - return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - - /** - * Return a human readable representation of a moment that can - * also be evaluated to get a new moment which is the same - * - * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects - */ - function inspect() { - if (!this.isValid()) { - return 'moment.invalid(/* ' + this._i + ' */)'; - } - var func = 'moment'; - var zone = ''; - if (!this.isLocal()) { - func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; - zone = 'Z'; - } - var prefix = '[' + func + '("]'; - var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY'; - var datetime = '-MM-DD[T]HH:mm:ss.SSS'; - var suffix = zone + '[")]'; - - return this.format(prefix + year + datetime + suffix); - } - - function format(inputString) { - if (!inputString) { - inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat; - } - var output = formatMoment(this, inputString); - return this.localeData().postformat(output); - } - - function from(time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({ to: this, from: time }).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function fromNow(withoutSuffix) { - return this.from(createLocal(), withoutSuffix); - } - - function to(time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({ from: this, to: time }).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function toNow(withoutSuffix) { - return this.to(createLocal(), withoutSuffix); - } - - // If passed a locale key, it will set the locale for this - // instance. Otherwise, it will return the locale configuration - // variables for this instance. - function locale(key) { - var newLocaleData; - - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = getLocale(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - } - - var lang = deprecate( - 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', - function (key) { - if (key === undefined) { - return this.localeData(); - } else { - return this.locale(key); - } - } - ); - - function localeData() { - return this._locale; - } - - function startOf(units) { - units = normalizeUnits(units); - // the following switch intentionally omits break keywords - // to utilize falling through the cases. - switch (units) { - case 'year': - this.month(0); - /* falls through */ - case 'quarter': - case 'month': - this.date(1); - /* falls through */ - case 'week': - case 'isoWeek': - case 'day': - case 'date': - this.hours(0); - /* falls through */ - case 'hour': - this.minutes(0); - /* falls through */ - case 'minute': - this.seconds(0); - /* falls through */ - case 'second': - this.milliseconds(0); - } - - // weeks are a special case - if (units === 'week') { - this.weekday(0); - } - if (units === 'isoWeek') { - this.isoWeekday(1); - } - - // quarters are also special - if (units === 'quarter') { - this.month(Math.floor(this.month() / 3) * 3); - } - - return this; - } - - function endOf(units) { - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond') { - return this; - } - - // 'date' is an alias for 'day', so it should be considered as such. - if (units === 'date') { - units = 'day'; - } - - return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); - } - - function valueOf() { - return this._d.valueOf() - ((this._offset || 0) * 60000); - } - - function unix() { - return Math.floor(this.valueOf() / 1000); - } - - function toDate() { - return new Date(this.valueOf()); - } - - function toArray() { - var m = this; - return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()]; - } - - function toObject() { - var m = this; - return { - years: m.year(), - months: m.month(), - date: m.date(), - hours: m.hours(), - minutes: m.minutes(), - seconds: m.seconds(), - milliseconds: m.milliseconds() - }; - } - - function toJSON() { - // new Date(NaN).toJSON() === null - return this.isValid() ? this.toISOString() : null; - } - - function isValid$2() { - return isValid(this); - } - - function parsingFlags() { - return extend({}, getParsingFlags(this)); - } - - function invalidAt() { - return getParsingFlags(this).overflow; - } - - function creationData() { - return { - input: this._i, - format: this._f, - locale: this._locale, - isUTC: this._isUTC, - strict: this._strict - }; - } - - // FORMATTING - - addFormatToken(0, ['gg', 2], 0, function () { - return this.weekYear() % 100; - }); - - addFormatToken(0, ['GG', 2], 0, function () { - return this.isoWeekYear() % 100; - }); - - function addWeekYearFormatToken(token, getter) { - addFormatToken(0, [token, token.length], 0, getter); - } - - addWeekYearFormatToken('gggg', 'weekYear'); - addWeekYearFormatToken('ggggg', 'weekYear'); - addWeekYearFormatToken('GGGG', 'isoWeekYear'); - addWeekYearFormatToken('GGGGG', 'isoWeekYear'); - - // ALIASES - - addUnitAlias('weekYear', 'gg'); - addUnitAlias('isoWeekYear', 'GG'); - - // PRIORITY - - addUnitPriority('weekYear', 1); - addUnitPriority('isoWeekYear', 1); - - - // PARSING - - addRegexToken('G', matchSigned); - addRegexToken('g', matchSigned); - addRegexToken('GG', match1to2, match2); - addRegexToken('gg', match1to2, match2); - addRegexToken('GGGG', match1to4, match4); - addRegexToken('gggg', match1to4, match4); - addRegexToken('GGGGG', match1to6, match6); - addRegexToken('ggggg', match1to6, match6); - - addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) { - week[token.substr(0, 2)] = toInt(input); - }); - - addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { - week[token] = hooks.parseTwoDigitYear(input); - }); - - // MOMENTS - - function getSetWeekYear(input) { - return getSetWeekYearHelper.call(this, - input, - this.week(), - this.weekday(), - this.localeData()._week.dow, - this.localeData()._week.doy); - } - - function getSetISOWeekYear(input) { - return getSetWeekYearHelper.call(this, - input, this.isoWeek(), this.isoWeekday(), 1, 4); - } - - function getISOWeeksInYear() { - return weeksInYear(this.year(), 1, 4); - } - - function getWeeksInYear() { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - } - - function getSetWeekYearHelper(input, week, weekday, dow, doy) { - var weeksTarget; - if (input == null) { - return weekOfYear(this, dow, doy).year; - } else { - weeksTarget = weeksInYear(input, dow, doy); - if (week > weeksTarget) { - week = weeksTarget; - } - return setWeekAll.call(this, input, week, weekday, dow, doy); - } - } - - function setWeekAll(weekYear, week, weekday, dow, doy) { - var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), - date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); - - this.year(date.getUTCFullYear()); - this.month(date.getUTCMonth()); - this.date(date.getUTCDate()); - return this; - } - - // FORMATTING - - addFormatToken('Q', 0, 'Qo', 'quarter'); - - // ALIASES - - addUnitAlias('quarter', 'Q'); - - // PRIORITY - - addUnitPriority('quarter', 7); - - // PARSING - - addRegexToken('Q', match1); - addParseToken('Q', function (input, array) { - array[MONTH] = (toInt(input) - 1) * 3; - }); - - // MOMENTS - - function getSetQuarter(input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - } - - // FORMATTING - - addFormatToken('D', ['DD', 2], 'Do', 'date'); - - // ALIASES - - addUnitAlias('date', 'D'); - - // PRIOROITY - addUnitPriority('date', 9); - - // PARSING - - addRegexToken('D', match1to2); - addRegexToken('DD', match1to2, match2); - addRegexToken('Do', function (isStrict, locale) { - // TODO: Remove "ordinalParse" fallback in next major release. - return isStrict ? - (locale._dayOfMonthOrdinalParse || locale._ordinalParse) : - locale._dayOfMonthOrdinalParseLenient; - }); - - addParseToken(['D', 'DD'], DATE); - addParseToken('Do', function (input, array) { - array[DATE] = toInt(input.match(match1to2)[0]); - }); - - // MOMENTS - - var getSetDayOfMonth = makeGetSet('Date', true); - - // FORMATTING - - addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); - - // ALIASES - - addUnitAlias('dayOfYear', 'DDD'); - - // PRIORITY - addUnitPriority('dayOfYear', 4); - - // PARSING - - addRegexToken('DDD', match1to3); - addRegexToken('DDDD', match3); - addParseToken(['DDD', 'DDDD'], function (input, array, config) { - config._dayOfYear = toInt(input); - }); - - // HELPERS - - // MOMENTS - - function getSetDayOfYear(input) { - var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1; - return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); - } - - // FORMATTING - - addFormatToken('m', ['mm', 2], 0, 'minute'); - - // ALIASES - - addUnitAlias('minute', 'm'); - - // PRIORITY - - addUnitPriority('minute', 14); - - // PARSING - - addRegexToken('m', match1to2); - addRegexToken('mm', match1to2, match2); - addParseToken(['m', 'mm'], MINUTE); - - // MOMENTS - - var getSetMinute = makeGetSet('Minutes', false); - - // FORMATTING - - addFormatToken('s', ['ss', 2], 0, 'second'); - - // ALIASES - - addUnitAlias('second', 's'); - - // PRIORITY - - addUnitPriority('second', 15); - - // PARSING - - addRegexToken('s', match1to2); - addRegexToken('ss', match1to2, match2); - addParseToken(['s', 'ss'], SECOND); - - // MOMENTS - - var getSetSecond = makeGetSet('Seconds', false); - - // FORMATTING - - addFormatToken('S', 0, 0, function () { - return ~~(this.millisecond() / 100); - }); - - addFormatToken(0, ['SS', 2], 0, function () { - return ~~(this.millisecond() / 10); - }); - - addFormatToken(0, ['SSS', 3], 0, 'millisecond'); - addFormatToken(0, ['SSSS', 4], 0, function () { - return this.millisecond() * 10; - }); - addFormatToken(0, ['SSSSS', 5], 0, function () { - return this.millisecond() * 100; - }); - addFormatToken(0, ['SSSSSS', 6], 0, function () { - return this.millisecond() * 1000; - }); - addFormatToken(0, ['SSSSSSS', 7], 0, function () { - return this.millisecond() * 10000; - }); - addFormatToken(0, ['SSSSSSSS', 8], 0, function () { - return this.millisecond() * 100000; - }); - addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { - return this.millisecond() * 1000000; - }); - - - // ALIASES - - addUnitAlias('millisecond', 'ms'); - - // PRIORITY - - addUnitPriority('millisecond', 16); - - // PARSING - - addRegexToken('S', match1to3, match1); - addRegexToken('SS', match1to3, match2); - addRegexToken('SSS', match1to3, match3); - - var token; - for (token = 'SSSS'; token.length <= 9; token += 'S') { - addRegexToken(token, matchUnsigned); - } - - function parseMs(input, array) { - array[MILLISECOND] = toInt(('0.' + input) * 1000); - } - - for (token = 'S'; token.length <= 9; token += 'S') { - addParseToken(token, parseMs); - } - // MOMENTS - - var getSetMillisecond = makeGetSet('Milliseconds', false); - - // FORMATTING - - addFormatToken('z', 0, 0, 'zoneAbbr'); - addFormatToken('zz', 0, 0, 'zoneName'); - - // MOMENTS - - function getZoneAbbr() { - return this._isUTC ? 'UTC' : ''; - } - - function getZoneName() { - return this._isUTC ? 'Coordinated Universal Time' : ''; - } - - var proto = Moment.prototype; - - proto.add = add; - proto.calendar = calendar$1; - proto.clone = clone; - proto.diff = diff; - proto.endOf = endOf; - proto.format = format; - proto.from = from; - proto.fromNow = fromNow; - proto.to = to; - proto.toNow = toNow; - proto.get = stringGet; - proto.invalidAt = invalidAt; - proto.isAfter = isAfter; - proto.isBefore = isBefore; - proto.isBetween = isBetween; - proto.isSame = isSame; - proto.isSameOrAfter = isSameOrAfter; - proto.isSameOrBefore = isSameOrBefore; - proto.isValid = isValid$2; - proto.lang = lang; - proto.locale = locale; - proto.localeData = localeData; - proto.max = prototypeMax; - proto.min = prototypeMin; - proto.parsingFlags = parsingFlags; - proto.set = stringSet; - proto.startOf = startOf; - proto.subtract = subtract; - proto.toArray = toArray; - proto.toObject = toObject; - proto.toDate = toDate; - proto.toISOString = toISOString; - proto.inspect = inspect; - proto.toJSON = toJSON; - proto.toString = toString; - proto.unix = unix; - proto.valueOf = valueOf; - proto.creationData = creationData; - - // Year - proto.year = getSetYear; - proto.isLeapYear = getIsLeapYear; - - // Week Year - proto.weekYear = getSetWeekYear; - proto.isoWeekYear = getSetISOWeekYear; - - // Quarter - proto.quarter = proto.quarters = getSetQuarter; - - // Month - proto.month = getSetMonth; - proto.daysInMonth = getDaysInMonth; - - // Week - proto.week = proto.weeks = getSetWeek; - proto.isoWeek = proto.isoWeeks = getSetISOWeek; - proto.weeksInYear = getWeeksInYear; - proto.isoWeeksInYear = getISOWeeksInYear; - - // Day - proto.date = getSetDayOfMonth; - proto.day = proto.days = getSetDayOfWeek; - proto.weekday = getSetLocaleDayOfWeek; - proto.isoWeekday = getSetISODayOfWeek; - proto.dayOfYear = getSetDayOfYear; - - // Hour - proto.hour = proto.hours = getSetHour; - - // Minute - proto.minute = proto.minutes = getSetMinute; - - // Second - proto.second = proto.seconds = getSetSecond; - - // Millisecond - proto.millisecond = proto.milliseconds = getSetMillisecond; - - // Offset - proto.utcOffset = getSetOffset; - proto.utc = setOffsetToUTC; - proto.local = setOffsetToLocal; - proto.parseZone = setOffsetToParsedOffset; - proto.hasAlignedHourOffset = hasAlignedHourOffset; - proto.isDST = isDaylightSavingTime; - proto.isLocal = isLocal; - proto.isUtcOffset = isUtcOffset; - proto.isUtc = isUtc; - proto.isUTC = isUtc; - - // Timezone - proto.zoneAbbr = getZoneAbbr; - proto.zoneName = getZoneName; - - // Deprecations - proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); - proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); - proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); - proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone); - proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted); - - function createUnix(input) { - return createLocal(input * 1000); - } - - function createInZone() { - return createLocal.apply(null, arguments).parseZone(); - } - - function preParsePostFormat(string) { - return string; - } - - var proto$1 = Locale.prototype; - - proto$1.calendar = calendar; - proto$1.longDateFormat = longDateFormat; - proto$1.invalidDate = invalidDate; - proto$1.ordinal = ordinal; - proto$1.preparse = preParsePostFormat; - proto$1.postformat = preParsePostFormat; - proto$1.relativeTime = relativeTime; - proto$1.pastFuture = pastFuture; - proto$1.set = set; - - // Month - proto$1.months = localeMonths; - proto$1.monthsShort = localeMonthsShort; - proto$1.monthsParse = localeMonthsParse; - proto$1.monthsRegex = monthsRegex; - proto$1.monthsShortRegex = monthsShortRegex; - - // Week - proto$1.week = localeWeek; - proto$1.firstDayOfYear = localeFirstDayOfYear; - proto$1.firstDayOfWeek = localeFirstDayOfWeek; - - // Day of Week - proto$1.weekdays = localeWeekdays; - proto$1.weekdaysMin = localeWeekdaysMin; - proto$1.weekdaysShort = localeWeekdaysShort; - proto$1.weekdaysParse = localeWeekdaysParse; - - proto$1.weekdaysRegex = weekdaysRegex; - proto$1.weekdaysShortRegex = weekdaysShortRegex; - proto$1.weekdaysMinRegex = weekdaysMinRegex; - - // Hours - proto$1.isPM = localeIsPM; - proto$1.meridiem = localeMeridiem; - - function get$1(format, index, field, setter) { - var locale = getLocale(); - var utc = createUTC().set(setter, index); - return locale[field](utc, format); - } - - function listMonthsImpl(format, index, field) { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - - if (index != null) { - return get$1(format, index, field, 'month'); - } - - var i; - var out = []; - for (i = 0; i < 12; i++) { - out[i] = get$1(format, i, field, 'month'); - } - return out; - } - - // () - // (5) - // (fmt, 5) - // (fmt) - // (true) - // (true, 5) - // (true, fmt, 5) - // (true, fmt) - function listWeekdaysImpl(localeSorted, format, index, field) { - if (typeof localeSorted === 'boolean') { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } else { - format = localeSorted; - index = format; - localeSorted = false; - - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } - - var locale = getLocale(), - shift = localeSorted ? locale._week.dow : 0; - - if (index != null) { - return get$1(format, (index + shift) % 7, field, 'day'); - } - - var i; - var out = []; - for (i = 0; i < 7; i++) { - out[i] = get$1(format, (i + shift) % 7, field, 'day'); - } - return out; - } - - function listMonths(format, index) { - return listMonthsImpl(format, index, 'months'); - } - - function listMonthsShort(format, index) { - return listMonthsImpl(format, index, 'monthsShort'); - } - - function listWeekdays(localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); - } - - function listWeekdaysShort(localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); - } - - function listWeekdaysMin(localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); - } - - getSetGlobalLocale('en', { - dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, - ordinal: function (number) { - var b = number % 10, - output = (toInt(number % 100 / 10) === 1) ? 'th' : - (b === 1) ? 'st' : - (b === 2) ? 'nd' : - (b === 3) ? 'rd' : 'th'; - return number + output; - } - }); - - // Side effect imports - hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale); - hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale); - - var mathAbs = Math.abs; - - function abs() { - var data = this._data; - - this._milliseconds = mathAbs(this._milliseconds); - this._days = mathAbs(this._days); - this._months = mathAbs(this._months); - - data.milliseconds = mathAbs(data.milliseconds); - data.seconds = mathAbs(data.seconds); - data.minutes = mathAbs(data.minutes); - data.hours = mathAbs(data.hours); - data.months = mathAbs(data.months); - data.years = mathAbs(data.years); - - return this; - } - - function addSubtract$1(duration, input, value, direction) { - var other = createDuration(input, value); - - duration._milliseconds += direction * other._milliseconds; - duration._days += direction * other._days; - duration._months += direction * other._months; - - return duration._bubble(); - } - - // supports only 2.0-style add(1, 's') or add(duration) - function add$1(input, value) { - return addSubtract$1(this, input, value, 1); - } - - // supports only 2.0-style subtract(1, 's') or subtract(duration) - function subtract$1(input, value) { - return addSubtract$1(this, input, value, -1); - } - - function absCeil(number) { - if (number < 0) { - return Math.floor(number); - } else { - return Math.ceil(number); - } - } - - function bubble() { - var milliseconds = this._milliseconds; - var days = this._days; - var months = this._months; - var data = this._data; - var seconds, minutes, hours, years, monthsFromDays; - - // if we have a mix of positive and negative values, bubble down first - // check: https://github.com/moment/moment/issues/2166 - if (!((milliseconds >= 0 && days >= 0 && months >= 0) || - (milliseconds <= 0 && days <= 0 && months <= 0))) { - milliseconds += absCeil(monthsToDays(months) + days) * 864e5; - days = 0; - months = 0; - } - - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; - - seconds = absFloor(milliseconds / 1000); - data.seconds = seconds % 60; - - minutes = absFloor(seconds / 60); - data.minutes = minutes % 60; - - hours = absFloor(minutes / 60); - data.hours = hours % 24; - - days += absFloor(hours / 24); - - // convert days to months - monthsFromDays = absFloor(daysToMonths(days)); - months += monthsFromDays; - days -= absCeil(monthsToDays(monthsFromDays)); - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - data.days = days; - data.months = months; - data.years = years; - - return this; - } - - function daysToMonths(days) { - // 400 years have 146097 days (taking into account leap year rules) - // 400 years have 12 months === 4800 - return days * 4800 / 146097; - } - - function monthsToDays(months) { - // the reverse of daysToMonths - return months * 146097 / 4800; - } - - function as(units) { - if (!this.isValid()) { - return NaN; - } - var days; - var months; - var milliseconds = this._milliseconds; - - units = normalizeUnits(units); - - if (units === 'month' || units === 'year') { - days = this._days + milliseconds / 864e5; - months = this._months + daysToMonths(days); - return units === 'month' ? months : months / 12; - } else { - // handle milliseconds separately because of floating point math errors (issue #1867) - days = this._days + Math.round(monthsToDays(this._months)); - switch (units) { - case 'week': return days / 7 + milliseconds / 6048e5; - case 'day': return days + milliseconds / 864e5; - case 'hour': return days * 24 + milliseconds / 36e5; - case 'minute': return days * 1440 + milliseconds / 6e4; - case 'second': return days * 86400 + milliseconds / 1000; - // Math.floor prevents floating point math errors here - case 'millisecond': return Math.floor(days * 864e5) + milliseconds; - default: throw new Error('Unknown unit ' + units); - } - } - } - - // TODO: Use this.as('ms')? - function valueOf$1() { - if (!this.isValid()) { - return NaN; - } - return ( - this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6 - ); - } - - function makeAs(alias) { - return function () { - return this.as(alias); - }; - } - - var asMilliseconds = makeAs('ms'); - var asSeconds = makeAs('s'); - var asMinutes = makeAs('m'); - var asHours = makeAs('h'); - var asDays = makeAs('d'); - var asWeeks = makeAs('w'); - var asMonths = makeAs('M'); - var asYears = makeAs('y'); - - function clone$1() { - return createDuration(this); - } - - function get$2(units) { - units = normalizeUnits(units); - return this.isValid() ? this[units + 's']() : NaN; - } - - function makeGetter(name) { - return function () { - return this.isValid() ? this._data[name] : NaN; - }; - } - - var milliseconds = makeGetter('milliseconds'); - var seconds = makeGetter('seconds'); - var minutes = makeGetter('minutes'); - var hours = makeGetter('hours'); - var days = makeGetter('days'); - var months = makeGetter('months'); - var years = makeGetter('years'); - - function weeks() { - return absFloor(this.days() / 7); - } - - var round = Math.round; - var thresholds = { - ss: 44, // a few seconds to seconds - s: 45, // seconds to minute - m: 45, // minutes to hour - h: 22, // hours to day - d: 26, // days to month - M: 11 // months to year - }; - - // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize - function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { - return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); - } - - function relativeTime$1(posNegDuration, withoutSuffix, locale) { - var duration = createDuration(posNegDuration).abs(); - var seconds = round(duration.as('s')); - var minutes = round(duration.as('m')); - var hours = round(duration.as('h')); - var days = round(duration.as('d')); - var months = round(duration.as('M')); - var years = round(duration.as('y')); - - var a = seconds <= thresholds.ss && ['s', seconds] || - seconds < thresholds.s && ['ss', seconds] || - minutes <= 1 && ['m'] || - minutes < thresholds.m && ['mm', minutes] || - hours <= 1 && ['h'] || - hours < thresholds.h && ['hh', hours] || - days <= 1 && ['d'] || - days < thresholds.d && ['dd', days] || - months <= 1 && ['M'] || - months < thresholds.M && ['MM', months] || - years <= 1 && ['y'] || ['yy', years]; - - a[2] = withoutSuffix; - a[3] = +posNegDuration > 0; - a[4] = locale; - return substituteTimeAgo.apply(null, a); - } - - // This function allows you to set the rounding function for relative time strings - function getSetRelativeTimeRounding(roundingFunction) { - if (roundingFunction === undefined) { - return round; - } - if (typeof (roundingFunction) === 'function') { - round = roundingFunction; - return true; - } - return false; - } - - // This function allows you to set a threshold for relative time strings - function getSetRelativeTimeThreshold(threshold, limit) { - if (thresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return thresholds[threshold]; - } - thresholds[threshold] = limit; - if (threshold === 's') { - thresholds.ss = limit - 1; - } - return true; - } - - function humanize(withSuffix) { - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var locale = this.localeData(); - var output = relativeTime$1(this, !withSuffix, locale); - - if (withSuffix) { - output = locale.pastFuture(+this, output); - } - - return locale.postformat(output); - } - - var abs$1 = Math.abs; - - function sign(x) { - return ((x > 0) - (x < 0)) || +x; - } - - function toISOString$1() { - // for ISO strings we do not use the normal bubbling rules: - // * milliseconds bubble up until they become hours - // * days do not bubble at all - // * months bubble up until they become years - // This is because there is no context-free conversion between hours and days - // (think of clock changes) - // and also not between days and months (28-31 days per month) - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var seconds = abs$1(this._milliseconds) / 1000; - var days = abs$1(this._days); - var months = abs$1(this._months); - var minutes, hours, years; - - // 3600 seconds -> 60 minutes -> 1 hour - minutes = absFloor(seconds / 60); - hours = absFloor(minutes / 60); - seconds %= 60; - minutes %= 60; - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - - // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js - var Y = years; - var M = months; - var D = days; - var h = hours; - var m = minutes; - var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; - var total = this.asSeconds(); - - if (!total) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } - - var totalSign = total < 0 ? '-' : ''; - var ymSign = sign(this._months) !== sign(total) ? '-' : ''; - var daysSign = sign(this._days) !== sign(total) ? '-' : ''; - var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; - - return totalSign + 'P' + - (Y ? ymSign + Y + 'Y' : '') + - (M ? ymSign + M + 'M' : '') + - (D ? daysSign + D + 'D' : '') + - ((h || m || s) ? 'T' : '') + - (h ? hmsSign + h + 'H' : '') + - (m ? hmsSign + m + 'M' : '') + - (s ? hmsSign + s + 'S' : ''); - } - - var proto$2 = Duration.prototype; - - proto$2.isValid = isValid$1; - proto$2.abs = abs; - proto$2.add = add$1; - proto$2.subtract = subtract$1; - proto$2.as = as; - proto$2.asMilliseconds = asMilliseconds; - proto$2.asSeconds = asSeconds; - proto$2.asMinutes = asMinutes; - proto$2.asHours = asHours; - proto$2.asDays = asDays; - proto$2.asWeeks = asWeeks; - proto$2.asMonths = asMonths; - proto$2.asYears = asYears; - proto$2.valueOf = valueOf$1; - proto$2._bubble = bubble; - proto$2.clone = clone$1; - proto$2.get = get$2; - proto$2.milliseconds = milliseconds; - proto$2.seconds = seconds; - proto$2.minutes = minutes; - proto$2.hours = hours; - proto$2.days = days; - proto$2.weeks = weeks; - proto$2.months = months; - proto$2.years = years; - proto$2.humanize = humanize; - proto$2.toISOString = toISOString$1; - proto$2.toString = toISOString$1; - proto$2.toJSON = toISOString$1; - proto$2.locale = locale; - proto$2.localeData = localeData; - - // Deprecations - proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1); - proto$2.lang = lang; - - // Side effect imports - - // FORMATTING - - addFormatToken('X', 0, 0, 'unix'); - addFormatToken('x', 0, 0, 'valueOf'); - - // PARSING - - addRegexToken('x', matchSigned); - addRegexToken('X', matchTimestamp); - addParseToken('X', function (input, array, config) { - config._d = new Date(parseFloat(input, 10) * 1000); - }); - addParseToken('x', function (input, array, config) { - config._d = new Date(toInt(input)); - }); - - // Side effect imports - - - hooks.version = '2.20.1'; - - setHookCallback(createLocal); - - hooks.fn = proto; - hooks.min = min; - hooks.max = max; - hooks.now = now; - hooks.utc = createUTC; - hooks.unix = createUnix; - hooks.months = listMonths; - hooks.isDate = isDate; - hooks.locale = getSetGlobalLocale; - hooks.invalid = createInvalid; - hooks.duration = createDuration; - hooks.isMoment = isMoment; - hooks.weekdays = listWeekdays; - hooks.parseZone = createInZone; - hooks.localeData = getLocale; - hooks.isDuration = isDuration; - hooks.monthsShort = listMonthsShort; - hooks.weekdaysMin = listWeekdaysMin; - hooks.defineLocale = defineLocale; - hooks.updateLocale = updateLocale; - hooks.locales = listLocales; - hooks.weekdaysShort = listWeekdaysShort; - hooks.normalizeUnits = normalizeUnits; - hooks.relativeTimeRounding = getSetRelativeTimeRounding; - hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; - hooks.calendarFormat = getCalendarFormat; - hooks.prototype = proto; - - // currently HTML5 input type only supports 24-hour formats - hooks.HTML5_FMT = { - DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // - DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // - DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // - DATE: 'YYYY-MM-DD', // - TIME: 'HH:mm', // - TIME_SECONDS: 'HH:mm:ss', // - TIME_MS: 'HH:mm:ss.SSS', // - WEEK: 'YYYY-[W]WW', // - MONTH: 'YYYY-MM' // - }; - - return hooks; - - }))); - - }, {}], 7: [function (require, module, exports) { - /** - * @namespace Chart - */ - var Chart = require(29)(); - - Chart.helpers = require(45); - - // @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! - require(27)(Chart); - - Chart.defaults = require(25); - Chart.Element = require(26); - Chart.elements = require(40); - Chart.Interaction = require(28); - Chart.layouts = require(30); - Chart.platform = require(48); - Chart.plugins = require(31); - Chart.Ticks = require(34); - - require(22)(Chart); - require(23)(Chart); - require(24)(Chart); - require(33)(Chart); - require(32)(Chart); - require(35)(Chart); - - require(55)(Chart); - require(53)(Chart); - require(54)(Chart); - require(56)(Chart); - require(57)(Chart); - require(58)(Chart); - - // Controllers must be loaded after elements - // See Chart.core.datasetController.dataElementType - require(15)(Chart); - require(16)(Chart); - require(17)(Chart); - require(18)(Chart); - require(19)(Chart); - require(20)(Chart); - require(21)(Chart); - - require(8)(Chart); - require(9)(Chart); - require(10)(Chart); - require(11)(Chart); - require(12)(Chart); - require(13)(Chart); - require(14)(Chart); - - // Loading built-it plugins - var plugins = require(49); - for (var k in plugins) { - if (plugins.hasOwnProperty(k)) { - Chart.plugins.register(plugins[k]); - } } + locales[name] = new Locale(mergeConfigs(parentConfig, config)); - Chart.platform.initialize(); - - module.exports = Chart; - if (typeof window !== 'undefined') { - window.Chart = Chart; - } - - // DEPRECATIONS - - /** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Legend - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ - Chart.Legend = plugins.legend._element; - - /** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Title - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ - Chart.Title = plugins.title._element; - - /** - * Provided for backward compatibility, use Chart.plugins instead - * @namespace Chart.pluginService - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ - Chart.pluginService = Chart.plugins; - - /** - * Provided for backward compatibility, inheriting from Chart.PlugingBase has no - * effect, instead simply create/register plugins via plain JavaScript objects. - * @interface Chart.PluginBase - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - Chart.PluginBase = Chart.Element.extend({}); - - /** - * Provided for backward compatibility, use Chart.helpers.canvas instead. - * @namespace Chart.canvasHelpers - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - Chart.canvasHelpers = Chart.helpers.canvas; - - /** - * Provided for backward compatibility, use Chart.layouts instead. - * @namespace Chart.layoutService - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - Chart.layoutService = Chart.layouts; - - }, { "10": 10, "11": 11, "12": 12, "13": 13, "14": 14, "15": 15, "16": 16, "17": 17, "18": 18, "19": 19, "20": 20, "21": 21, "22": 22, "23": 23, "24": 24, "25": 25, "26": 26, "27": 27, "28": 28, "29": 29, "30": 30, "31": 31, "32": 32, "33": 33, "34": 34, "35": 35, "40": 40, "45": 45, "48": 48, "49": 49, "53": 53, "54": 54, "55": 55, "56": 56, "57": 57, "58": 58, "8": 8, "9": 9 }], 8: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - Chart.Bar = function (context, config) { - config.type = 'bar'; - - return new Chart(context, config); - }; - - }; - - }, {}], 9: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - Chart.Bubble = function (context, config) { - config.type = 'bubble'; - return new Chart(context, config); - }; - - }; - - }, {}], 10: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - Chart.Doughnut = function (context, config) { - config.type = 'doughnut'; - - return new Chart(context, config); - }; - - }; - - }, {}], 11: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - Chart.Line = function (context, config) { - config.type = 'line'; - - return new Chart(context, config); - }; - - }; - - }, {}], 12: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - Chart.PolarArea = function (context, config) { - config.type = 'polarArea'; - - return new Chart(context, config); - }; - - }; - - }, {}], 13: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - Chart.Radar = function (context, config) { - config.type = 'radar'; - - return new Chart(context, config); - }; - - }; - - }, {}], 14: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - Chart.Scatter = function (context, config) { - config.type = 'scatter'; - return new Chart(context, config); - }; - }; - - }, {}], 15: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('bar', { - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - - // Specific to Bar Controller - categoryPercentage: 0.8, - barPercentage: 0.9, - - // offset settings - offset: true, - - // grid line settings - gridLines: { - offsetGridLines: true - } - }], - - yAxes: [{ - type: 'linear' - }] - } - }); - - defaults._set('horizontalBar', { - hover: { - mode: 'index', - axis: 'y' - }, - - scales: { - xAxes: [{ - type: 'linear', - position: 'bottom' - }], - - yAxes: [{ - position: 'left', - type: 'category', - - // Specific to Horizontal Bar Controller - categoryPercentage: 0.8, - barPercentage: 0.9, - - // offset settings - offset: true, - - // grid line settings - gridLines: { - offsetGridLines: true - } - }] - }, - - elements: { - rectangle: { - borderSkipped: 'left' - } - }, - - tooltips: { - callbacks: { - title: function (item, data) { - // Pick first xLabel for now - var title = ''; - - if (item.length > 0) { - if (item[0].yLabel) { - title = item[0].yLabel; - } else if (data.labels.length > 0 && item[0].index < data.labels.length) { - title = data.labels[item[0].index]; - } - } - - return title; - }, - - label: function (item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - return datasetLabel + ': ' + item.xLabel; - } - }, - mode: 'index', - axis: 'y' - } - }); - - /** - * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. - * @private - */ - function computeMinSampleSize(scale, pixels) { - var min = scale.isHorizontal() ? scale.width : scale.height; - var ticks = scale.getTicks(); - var prev, curr, i, ilen; - - for (i = 1, ilen = pixels.length; i < ilen; ++i) { - min = Math.min(min, pixels[i] - pixels[i - 1]); - } - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - min = i > 0 ? Math.min(min, curr - prev) : min; - prev = curr; - } - - return min; - } - - /** - * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, - * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This - * mode currently always generates bars equally sized (until we introduce scriptable options?). - * @private - */ - function computeFitCategoryTraits(index, ruler, options) { - var thickness = options.barThickness; - var count = ruler.stackCount; - var curr = ruler.pixels[index]; - var size, ratio; - - if (helpers.isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - // When bar thickness is enforced, category and bar percentages are ignored. - // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') - // and deprecate barPercentage since this value is ignored when thickness is absolute. - size = thickness * count; - ratio = 1; - } - - return { - chunk: size / count, - ratio: ratio, - start: curr - (size / 2) - }; - } - - /** - * Computes an "optimal" category that globally arranges bars side by side (no gap when - * percentage options are 1), based on the previous and following categories. This mode - * generates bars with different widths when data are not evenly spaced. - * @private - */ - function computeFlexCategoryTraits(index, ruler, options) { - var pixels = ruler.pixels; - var curr = pixels[index]; - var prev = index > 0 ? pixels[index - 1] : null; - var next = index < pixels.length - 1 ? pixels[index + 1] : null; - var percent = options.categoryPercentage; - var start, size; - - if (prev === null) { - // first data: its size is double based on the next point or, - // if it's also the last data, we use the scale end extremity. - prev = curr - (next === null ? ruler.end - curr : next - curr); - } - - if (next === null) { - // last data: its size is also double based on the previous point. - next = curr + curr - prev; - } - - start = curr - ((curr - prev) / 2) * percent; - size = ((next - prev) / 2) * percent; - - return { - chunk: size / ruler.stackCount, - ratio: options.barPercentage, - start: start - }; - } - - module.exports = function (Chart) { - - Chart.controllers.bar = Chart.DatasetController.extend({ - - dataElementType: elements.Rectangle, - - initialize: function () { - var me = this; - var meta; - - Chart.DatasetController.prototype.initialize.apply(me, arguments); - - meta = me.getMeta(); - meta.stack = me.getDataset().stack; - meta.bar = true; - }, - - update: function (reset) { - var me = this; - var rects = me.getMeta().data; - var i, ilen; - - me._ruler = me.getRuler(); - - for (i = 0, ilen = rects.length; i < ilen; ++i) { - me.updateElement(rects[i], i, reset); - } - }, - - updateElement: function (rectangle, index, reset) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var dataset = me.getDataset(); - var custom = rectangle.custom || {}; - var rectangleOptions = chart.options.elements.rectangle; - - rectangle._xScale = me.getScaleForId(meta.xAxisID); - rectangle._yScale = me.getScaleForId(meta.yAxisID); - rectangle._datasetIndex = me.index; - rectangle._index = index; - - rectangle._model = { - datasetLabel: dataset.label, - label: chart.data.labels[index], - borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped, - backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor), - borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor), - borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth) - }; - - me.updateElementGeometry(rectangle, index, reset); - - rectangle.pivot(); - }, - - /** - * @private - */ - updateElementGeometry: function (rectangle, index, reset) { - var me = this; - var model = rectangle._model; - var vscale = me.getValueScale(); - var base = vscale.getBasePixel(); - var horizontal = vscale.isHorizontal(); - var ruler = me._ruler || me.getRuler(); - var vpixels = me.calculateBarValuePixels(me.index, index); - var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); - - model.horizontal = horizontal; - model.base = reset ? base : vpixels.base; - model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; - model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; - model.height = horizontal ? ipixels.size : undefined; - model.width = horizontal ? undefined : ipixels.size; - }, - - /** - * @private - */ - getValueScaleId: function () { - return this.getMeta().yAxisID; - }, - - /** - * @private - */ - getIndexScaleId: function () { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - getValueScale: function () { - return this.getScaleForId(this.getValueScaleId()); - }, - - /** - * @private - */ - getIndexScale: function () { - return this.getScaleForId(this.getIndexScaleId()); - }, - - /** - * Returns the stacks based on groups and bar visibility. - * @param {Number} [last] - The dataset index - * @returns {Array} The stack list - * @private - */ - _getStacks: function (last) { - var me = this; - var chart = me.chart; - var scale = me.getIndexScale(); - var stacked = scale.options.stacked; - var ilen = last === undefined ? chart.data.datasets.length : last + 1; - var stacks = []; - var i, meta; - - for (i = 0; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - if (meta.bar && chart.isDatasetVisible(i) && - (stacked === false || - (stacked === true && stacks.indexOf(meta.stack) === -1) || - (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { - stacks.push(meta.stack); - } - } - - return stacks; - }, - - /** - * Returns the effective number of stacks based on groups and bar visibility. - * @private - */ - getStackCount: function () { - return this._getStacks().length; - }, - - /** - * Returns the stack index for the given dataset based on groups and bar visibility. - * @param {Number} [datasetIndex] - The dataset index - * @param {String} [name] - The stack name to find - * @returns {Number} The stack index - * @private - */ - getStackIndex: function (datasetIndex, name) { - var stacks = this._getStacks(datasetIndex); - var index = (name !== undefined) - ? stacks.indexOf(name) - : -1; // indexOf returns -1 if element is not present - - return (index === -1) - ? stacks.length - 1 - : index; - }, - - /** - * @private - */ - getRuler: function () { - var me = this; - var scale = me.getIndexScale(); - var stackCount = me.getStackCount(); - var datasetIndex = me.index; - var isHorizontal = scale.isHorizontal(); - var start = isHorizontal ? scale.left : scale.top; - var end = start + (isHorizontal ? scale.width : scale.height); - var pixels = []; - var i, ilen, min; - - for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { - pixels.push(scale.getPixelForValue(null, i, datasetIndex)); - } - - min = helpers.isNullOrUndef(scale.options.barThickness) - ? computeMinSampleSize(scale, pixels) - : -1; - - return { - min: min, - pixels: pixels, - start: start, - end: end, - stackCount: stackCount, - scale: scale - }; - }, - - /** - * Note: pixel values are not clamped to the scale area. - * @private - */ - calculateBarValuePixels: function (datasetIndex, index) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var scale = me.getValueScale(); - var datasets = chart.data.datasets; - var value = scale.getRightValue(datasets[datasetIndex].data[index]); - var stacked = scale.options.stacked; - var stack = meta.stack; - var start = 0; - var i, imeta, ivalue, base, head, size; - - if (stacked || (stacked === undefined && stack !== undefined)) { - for (i = 0; i < datasetIndex; ++i) { - imeta = chart.getDatasetMeta(i); - - if (imeta.bar && - imeta.stack === stack && - imeta.controller.getValueScaleId() === scale.id && - chart.isDatasetVisible(i)) { - - ivalue = scale.getRightValue(datasets[i].data[index]); - if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { - start += ivalue; - } - } - } - } - - base = scale.getPixelForValue(start); - head = scale.getPixelForValue(start + value); - size = (head - base) / 2; - - return { - size: size, - base: base, - head: head, - center: head + size / 2 - }; - }, - - /** - * @private - */ - calculateBarIndexPixels: function (datasetIndex, index, ruler) { - var me = this; - var options = ruler.scale.options; - var range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options) - : computeFitCategoryTraits(index, ruler, options); - - var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); - var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - var size = Math.min( - helpers.valueOrDefault(options.maxBarThickness, Infinity), - range.chunk * range.ratio); - - return { - base: center - size / 2, - head: center + size / 2, - center: center, - size: size - }; - }, - - draw: function () { - var me = this; - var chart = me.chart; - var scale = me.getValueScale(); - var rects = me.getMeta().data; - var dataset = me.getDataset(); - var ilen = rects.length; - var i = 0; - - helpers.canvas.clipArea(chart.ctx, chart.chartArea); - - for (; i < ilen; ++i) { - if (!isNaN(scale.getRightValue(dataset.data[i]))) { - rects[i].draw(); - } - } - - helpers.canvas.unclipArea(chart.ctx); - }, - - setHoverStyle: function (rectangle) { - var dataset = this.chart.data.datasets[rectangle._datasetIndex]; - var index = rectangle._index; - var custom = rectangle.custom || {}; - var model = rectangle._model; - - model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); - model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor)); - model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); - }, - - removeHoverStyle: function (rectangle) { - var dataset = this.chart.data.datasets[rectangle._datasetIndex]; - var index = rectangle._index; - var custom = rectangle.custom || {}; - var model = rectangle._model; - var rectangleElementOptions = this.chart.options.elements.rectangle; - - model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor); - model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor); - model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth); - } - }); - - Chart.controllers.horizontalBar = Chart.controllers.bar.extend({ - /** - * @private - */ - getValueScaleId: function () { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - getIndexScaleId: function () { - return this.getMeta().yAxisID; - } - }); - }; - - }, { "25": 25, "40": 40, "45": 45 }], 16: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('bubble', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - type: 'linear', // bubble should probably use a linear scale by default - position: 'bottom', - id: 'x-axis-0' // need an ID so datasets can reference the scale - }], - yAxes: [{ - type: 'linear', - position: 'left', - id: 'y-axis-0' - }] - }, - - tooltips: { - callbacks: { - title: function () { - // Title doesn't make sense for scatter since we format the data as a point - return ''; - }, - label: function (item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - var dataPoint = data.datasets[item.datasetIndex].data[item.index]; - return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; - } - } - } - }); - - - module.exports = function (Chart) { - - Chart.controllers.bubble = Chart.DatasetController.extend({ - /** - * @protected - */ - dataElementType: elements.Point, - - /** - * @protected - */ - update: function (reset) { - var me = this; - var meta = me.getMeta(); - var points = meta.data; - - // Update Points - helpers.each(points, function (point, index) { - me.updateElement(point, index, reset); - }); - }, - - /** - * @protected - */ - updateElement: function (point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var xScale = me.getScaleForId(meta.xAxisID); - var yScale = me.getScaleForId(meta.yAxisID); - var options = me._resolveElementOptions(point, index); - var data = me.getDataset().data[index]; - var dsIndex = me.index; - - var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); - var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); - - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = dsIndex; - point._index = index; - point._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - hitRadius: options.hitRadius, - pointStyle: options.pointStyle, - radius: reset ? 0 : options.radius, - skip: custom.skip || isNaN(x) || isNaN(y), - x: x, - y: y, - }; - - point.pivot(); - }, - - /** - * @protected - */ - setHoverStyle: function (point) { - var model = point._model; - var options = point._options; - - model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor)); - model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor)); - model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth); - model.radius = options.radius + options.hoverRadius; - }, - - /** - * @protected - */ - removeHoverStyle: function (point) { - var model = point._model; - var options = point._options; - - model.backgroundColor = options.backgroundColor; - model.borderColor = options.borderColor; - model.borderWidth = options.borderWidth; - model.radius = options.radius; - }, - - /** - * @private - */ - _resolveElementOptions: function (point, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = point.custom || {}; - var options = chart.options.elements.point; - var resolve = helpers.options.resolve; - var data = dataset.data[index]; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - 'hoverRadius', - 'hitRadius', - 'pointStyle' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - // Custom radius resolution - values.radius = resolve([ - custom.radius, - data ? data.r : undefined, - dataset.radius, - options.radius - ], context, index); - - return values; - } - }); - }; - - }, { "25": 25, "40": 40, "45": 45 }], 17: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('doughnut', { - animation: { - // Boolean - Whether we animate the rotation of the Doughnut - animateRotate: true, - // Boolean - Whether we animate scaling the Doughnut from the centre - animateScale: false - }, - hover: { - mode: 'single' - }, - legendCallback: function (chart) { - var text = []; - text.push('
    '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
  • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
'); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function (chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function (label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc && arc.custom || {}; - var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - var arcOpts = chart.options.elements.arc; - var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); - var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); - var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function (e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - // toggle visibility of index if exists - if (meta.data[index]) { - meta.data[index].hidden = !meta.data[index].hidden; - } - } - - chart.update(); - } - }, - - // The percentage of the chart that we cut out of the middle. - cutoutPercentage: 50, - - // The rotation of the chart, where the first data arc begins. - rotation: Math.PI * -0.5, - - // The total circumference of the chart. - circumference: Math.PI * 2.0, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function () { - return ''; - }, - label: function (tooltipItem, data) { - var dataLabel = data.labels[tooltipItem.index]; - var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; - - if (helpers.isArray(dataLabel)) { - // show value on first line of multiline label - // need to clone because we are changing the value - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - - return dataLabel; - } - } - } - }); - - defaults._set('pie', helpers.clone(defaults.doughnut)); - defaults._set('pie', { - cutoutPercentage: 0 - }); - - module.exports = function (Chart) { - - Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers.noop, - - // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly - getRingIndex: function (datasetIndex) { - var ringIndex = 0; - - for (var j = 0; j < datasetIndex; ++j) { - if (this.chart.isDatasetVisible(j)) { - ++ringIndex; - } - } - - return ringIndex; - }, - - update: function (reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var arcOpts = opts.elements.arc; - var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth; - var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth; - var minSize = Math.min(availableWidth, availableHeight); - var offset = { x: 0, y: 0 }; - var meta = me.getMeta(); - var cutoutPercentage = opts.cutoutPercentage; - var circumference = opts.circumference; - - // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc - if (circumference < Math.PI * 2.0) { - var startAngle = opts.rotation % (Math.PI * 2.0); - startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); - var endAngle = startAngle + circumference; - var start = { x: Math.cos(startAngle), y: Math.sin(startAngle) }; - var end = { x: Math.cos(endAngle), y: Math.sin(endAngle) }; - var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); - var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); - var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); - var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); - var cutout = cutoutPercentage / 100.0; - var min = { x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout)) }; - var max = { x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout)) }; - var size = { width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5 }; - minSize = Math.min(availableWidth / size.width, availableHeight / size.height); - offset = { x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5 }; - } - - chart.borderWidth = me.getMaxBorderWidth(meta.data); - chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); - chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - chart.offsetX = offset.x * chart.outerRadius; - chart.offsetY = offset.y * chart.outerRadius; - - meta.total = me.calculateTotal(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index)); - me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0); - - helpers.each(meta.data, function (arc, index) { - me.updateElement(arc, index, reset); - }); - }, - - updateElement: function (arc, index, reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var animationOpts = opts.animation; - var centerX = (chartArea.left + chartArea.right) / 2; - var centerY = (chartArea.top + chartArea.bottom) / 2; - var startAngle = opts.rotation; // non reset case handled later - var endAngle = opts.rotation; // non reset case handled later - var dataset = me.getDataset(); - var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); - var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; - var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; - var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - - helpers.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - - // Desired view properties - _model: { - x: centerX + chart.offsetX, - y: centerY + chart.offsetY, - startAngle: startAngle, - endAngle: endAngle, - circumference: circumference, - outerRadius: outerRadius, - innerRadius: innerRadius, - label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) - } - }); - - var model = arc._model; - // Resets the visual styles - this.removeHoverStyle(arc); - - // Set correct angles if not resetting - if (!reset || !animationOpts.animateRotate) { - if (index === 0) { - model.startAngle = opts.rotation; - } else { - model.startAngle = me.getMeta().data[index - 1]._model.endAngle; - } - - model.endAngle = model.startAngle + model.circumference; - } - - arc.pivot(); - }, - - removeHoverStyle: function (arc) { - Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc); - }, - - calculateTotal: function () { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var total = 0; - var value; - - helpers.each(meta.data, function (element, index) { - value = dataset.data[index]; - if (!isNaN(value) && !element.hidden) { - total += Math.abs(value); - } - }); - - /* if (total === 0) { - total = NaN; - }*/ - - return total; - }, - - calculateCircumference: function (value) { - var total = this.getMeta().total; - if (total > 0 && !isNaN(value)) { - return (Math.PI * 2.0) * (Math.abs(value) / total); - } - return 0; - }, - - // gets the max border or hover width to properly scale pie charts - getMaxBorderWidth: function (arcs) { - var max = 0; - var index = this.index; - var length = arcs.length; - var borderWidth; - var hoverWidth; - - for (var i = 0; i < length; i++) { - borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0; - hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0; - - max = borderWidth > max ? borderWidth : max; - max = hoverWidth > max ? hoverWidth : max; - } - return max; - } - }); - }; - - }, { "25": 25, "40": 40, "45": 45 }], 18: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('line', { - showLines: true, - spanGaps: false, - - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - id: 'x-axis-0' - }], - yAxes: [{ - type: 'linear', - id: 'y-axis-0' - }] - } - }); - - module.exports = function (Chart) { - - function lineEnabled(dataset, options) { - return helpers.valueOrDefault(dataset.showLine, options.showLines); - } - - Chart.controllers.line = Chart.DatasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - update: function (reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var options = me.chart.options; - var lineElementOptions = options.elements.line; - var scale = me.getScaleForId(meta.yAxisID); - var i, ilen, custom; - var dataset = me.getDataset(); - var showLine = lineEnabled(dataset, options); - - // Update Line - if (showLine) { - custom = line.custom || {}; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - // Model - line._model = { - // Appearance - // The default behavior of lines is to break at null values, according - // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 - // This option gives lines the ability to span gaps - spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps, - tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension), - backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), - borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), - borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), - borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), - borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), - borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), - borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), - fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), - steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped), - cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode), - }; - - line.pivot(); - } - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - if (showLine && line._model.tension !== 0) { - me.updateBezierControlPoints(); - } - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - getPointBackgroundColor: function (point, index) { - var backgroundColor = this.chart.options.elements.point.backgroundColor; - var dataset = this.getDataset(); - var custom = point.custom || {}; - - if (custom.backgroundColor) { - backgroundColor = custom.backgroundColor; - } else if (dataset.pointBackgroundColor) { - backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor); - } else if (dataset.backgroundColor) { - backgroundColor = dataset.backgroundColor; - } - - return backgroundColor; - }, - - getPointBorderColor: function (point, index) { - var borderColor = this.chart.options.elements.point.borderColor; - var dataset = this.getDataset(); - var custom = point.custom || {}; - - if (custom.borderColor) { - borderColor = custom.borderColor; - } else if (dataset.pointBorderColor) { - borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor); - } else if (dataset.borderColor) { - borderColor = dataset.borderColor; - } - - return borderColor; - }, - - getPointBorderWidth: function (point, index) { - var borderWidth = this.chart.options.elements.point.borderWidth; - var dataset = this.getDataset(); - var custom = point.custom || {}; - - if (!isNaN(custom.borderWidth)) { - borderWidth = custom.borderWidth; - } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) { - borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth); - } else if (!isNaN(dataset.borderWidth)) { - borderWidth = dataset.borderWidth; - } - - return borderWidth; - }, - - updateElement: function (point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var dataset = me.getDataset(); - var datasetIndex = me.index; - var value = dataset.data[index]; - var yScale = me.getScaleForId(meta.yAxisID); - var xScale = me.getScaleForId(meta.xAxisID); - var pointOptions = me.chart.options.elements.point; - var x, y; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { - dataset.pointRadius = dataset.radius; - } - if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { - dataset.pointHitRadius = dataset.hitRadius; - } - - x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); - y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); - - // Utility - point._xScale = xScale; - point._yScale = yScale; - point._datasetIndex = datasetIndex; - point._index = index; - - // Desired view properties - point._model = { - x: x, - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius), - pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle), - backgroundColor: me.getPointBackgroundColor(point, index), - borderColor: me.getPointBorderColor(point, index), - borderWidth: me.getPointBorderWidth(point, index), - tension: meta.dataset._model ? meta.dataset._model.tension : 0, - steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false, - // Tooltip - hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius) - }; - }, - - calculatePointY: function (value, index, datasetIndex) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var yScale = me.getScaleForId(meta.yAxisID); - var sumPos = 0; - var sumNeg = 0; - var i, ds, dsMeta; - - if (yScale.options.stacked) { - for (i = 0; i < datasetIndex; i++) { - ds = chart.data.datasets[i]; - dsMeta = chart.getDatasetMeta(i); - if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { - var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); - if (stackedRightValue < 0) { - sumNeg += stackedRightValue || 0; - } else { - sumPos += stackedRightValue || 0; - } - } - } - - var rightValue = Number(yScale.getRightValue(value)); - if (rightValue < 0) { - return yScale.getPixelForValue(sumNeg + rightValue); - } - return yScale.getPixelForValue(sumPos + rightValue); - } - - return yScale.getPixelForValue(value); - }, - - updateBezierControlPoints: function () { - var me = this; - var meta = me.getMeta(); - var area = me.chart.chartArea; - var points = (meta.data || []); - var i, ilen, point, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (meta.dataset._model.spanGaps) { - points = points.filter(function (pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - if (meta.dataset._model.cubicInterpolationMode === 'monotone') { - helpers.splineCurveMonotone(points); - } else { - for (i = 0, ilen = points.length; i < ilen; ++i) { - point = points[i]; - model = point._model; - controlPoints = helpers.splineCurve( - helpers.previousItem(points, i)._model, - model, - helpers.nextItem(points, i)._model, - meta.dataset._model.tension - ); - model.controlPointPreviousX = controlPoints.previous.x; - model.controlPointPreviousY = controlPoints.previous.y; - model.controlPointNextX = controlPoints.next.x; - model.controlPointNextY = controlPoints.next.y; - } - } - - if (me.chart.options.elements.line.capBezierPoints) { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); - model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); - model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); - model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); - } - } - }, - - draw: function () { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var points = meta.data || []; - var area = chart.chartArea; - var ilen = points.length; - var i = 0; - - helpers.canvas.clipArea(chart.ctx, area); - - if (lineEnabled(me.getDataset(), chart.options)) { - meta.dataset.draw(); - } - - helpers.canvas.unclipArea(chart.ctx); - - // Draw the points - for (; i < ilen; ++i) { - points[i].draw(area); - } - }, - - setHoverStyle: function (point) { - // Point - var dataset = this.chart.data.datasets[point._datasetIndex]; - var index = point._index; - var custom = point.custom || {}; - var model = point._model; - - model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); - model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); - model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); - model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); - }, - - removeHoverStyle: function (point) { - var me = this; - var dataset = me.chart.data.datasets[point._datasetIndex]; - var index = point._index; - var custom = point.custom || {}; - var model = point._model; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { - dataset.pointRadius = dataset.radius; - } - - model.radius = custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius); - model.backgroundColor = me.getPointBackgroundColor(point, index); - model.borderColor = me.getPointBorderColor(point, index); - model.borderWidth = me.getPointBorderWidth(point, index); - } - }); - }; - - }, { "25": 25, "40": 40, "45": 45 }], 19: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('polarArea', { - scale: { - type: 'radialLinear', - angleLines: { - display: false - }, - gridLines: { - circular: true - }, - pointLabels: { - display: false - }, - ticks: { - beginAtZero: true - } - }, - - // Boolean - Whether to animate the rotation of the chart - animation: { - animateRotate: true, - animateScale: true - }, - - startAngle: -0.5 * Math.PI, - legendCallback: function (chart) { - var text = []; - text.push('
    '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
  • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
'); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function (chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function (label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc.custom || {}; - var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - var arcOpts = chart.options.elements.arc; - var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); - var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); - var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function (e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - meta.data[index].hidden = !meta.data[index].hidden; - } - - chart.update(); - } - }, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function () { - return ''; - }, - label: function (item, data) { - return data.labels[item.index] + ': ' + item.yLabel; - } - } - } - }); - - module.exports = function (Chart) { - - Chart.controllers.polarArea = Chart.DatasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers.noop, - - update: function (reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var meta = me.getMeta(); - var opts = chart.options; - var arcOpts = opts.elements.arc; - var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0); - chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); - me.innerRadius = me.outerRadius - chart.radiusLength; - - meta.count = me.countVisibleElements(); - - helpers.each(meta.data, function (arc, index) { - me.updateElement(arc, index, reset); - }); - }, - - updateElement: function (arc, index, reset) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var opts = chart.options; - var animationOpts = opts.animation; - var scale = chart.scale; - var labels = chart.data.labels; - - var circumference = me.calculateCircumference(dataset.data[index]); - var centerX = scale.xCenter; - var centerY = scale.yCenter; - - // If there is NaN data before us, we need to calculate the starting angle correctly. - // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data - var visibleCount = 0; - var meta = me.getMeta(); - for (var i = 0; i < index; ++i) { - if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) { - ++visibleCount; - } - } - - // var negHalfPI = -0.5 * Math.PI; - var datasetStartAngle = opts.startAngle; - var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var startAngle = datasetStartAngle + (circumference * visibleCount); - var endAngle = startAngle + (arc.hidden ? 0 : circumference); - - var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - - helpers.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius: reset ? resetRadius : distance, - startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, - endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, - label: helpers.valueAtIndexOrDefault(labels, index, labels[index]) - } - }); - - // Apply border and fill style - me.removeHoverStyle(arc); - - arc.pivot(); - }, - - removeHoverStyle: function (arc) { - Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc); - }, - - countVisibleElements: function () { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var count = 0; - - helpers.each(meta.data, function (element, index) { - if (!isNaN(dataset.data[index]) && !element.hidden) { - count++; - } - }); - - return count; - }, - - calculateCircumference: function (value) { - var count = this.getMeta().count; - if (count > 0 && !isNaN(value)) { - return (2 * Math.PI) / count; - } - return 0; - } - }); - }; - - }, { "25": 25, "40": 40, "45": 45 }], 20: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('radar', { - scale: { - type: 'radialLinear' - }, - elements: { - line: { - tension: 0 // no bezier in radar - } - } - }); - - module.exports = function (Chart) { - - Chart.controllers.radar = Chart.DatasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - linkScales: helpers.noop, - - update: function (reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data; - var custom = line.custom || {}; - var dataset = me.getDataset(); - var lineElementOptions = me.chart.options.elements.line; - var scale = me.chart.scale; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - helpers.extend(meta.dataset, { - // Utility - _datasetIndex: me.index, - _scale: scale, - // Data - _children: points, - _loop: true, - // Model - _model: { - // Appearance - tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension), - backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), - borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), - borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), - fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), - borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), - borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), - borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), - borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), - } - }); - - meta.dataset.pivot(); - - // Update Points - helpers.each(points, function (point, index) { - me.updateElement(point, index, reset); - }, me); - - // Update bezier control points - me.updateBezierControlPoints(); - }, - updateElement: function (point, index, reset) { - var me = this; - var custom = point.custom || {}; - var dataset = me.getDataset(); - var scale = me.chart.scale; - var pointElementOptions = me.chart.options.elements.point; - var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { - dataset.pointRadius = dataset.radius; - } - if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { - dataset.pointHitRadius = dataset.hitRadius; - } - - helpers.extend(point, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales - y: reset ? scale.yCenter : pointPosition.y, - - // Appearance - tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension), - radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius), - backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor), - borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor), - borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth), - pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle), - - // Tooltip - hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius) - } - }); - - point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y)); - }, - updateBezierControlPoints: function () { - var chartArea = this.chart.chartArea; - var meta = this.getMeta(); - - helpers.each(meta.data, function (point, index) { - var model = point._model; - var controlPoints = helpers.splineCurve( - helpers.previousItem(meta.data, index, true)._model, - model, - helpers.nextItem(meta.data, index, true)._model, - model.tension - ); - - // Prevent the bezier going outside of the bounds of the graph - model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left); - model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top); - - model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left); - model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top); - - // Now pivot the point for animation - point.pivot(); - }); - }, - - setHoverStyle: function (point) { - // Point - var dataset = this.chart.data.datasets[point._datasetIndex]; - var custom = point.custom || {}; - var index = point._index; - var model = point._model; - - model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); - model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); - model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); - model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); - }, - - removeHoverStyle: function (point) { - var dataset = this.chart.data.datasets[point._datasetIndex]; - var custom = point.custom || {}; - var index = point._index; - var model = point._model; - var pointElementOptions = this.chart.options.elements.point; - - model.radius = custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius); - model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor); - model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor); - model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth); - } - }); - }; - - }, { "25": 25, "40": 40, "45": 45 }], 21: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - - defaults._set('scatter', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - id: 'x-axis-1', // need an ID so datasets can reference the scale - type: 'linear', // scatter should not use a category axis - position: 'bottom' - }], - yAxes: [{ - id: 'y-axis-1', - type: 'linear', - position: 'left' - }] - }, - - showLines: false, - - tooltips: { - callbacks: { - title: function () { - return ''; // doesn't make sense for scatter since data are formatted as a point - }, - label: function (item) { - return '(' + item.xLabel + ', ' + item.yLabel + ')'; - } - } - } - }); - - module.exports = function (Chart) { - - // Scatter charts use line controllers - Chart.controllers.scatter = Chart.controllers.line; - - }; - - }, { "25": 25 }], 22: [function (require, module, exports) { - /* global window: false */ - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - - defaults._set('global', { - animation: { - duration: 1000, - easing: 'easeOutQuart', - onProgress: helpers.noop, - onComplete: helpers.noop - } - }); - - module.exports = function (Chart) { - - Chart.Animation = Element.extend({ - chart: null, // the animation associated chart instance - currentStep: 0, // the current animation step - numSteps: 60, // default number of steps - easing: '', // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes - }); - - Chart.animationService = { - frameDuration: 17, - animations: [], - dropFrames: 0, - request: null, - - /** - * @param {Chart} chart - The chart to animate. - * @param {Chart.Animation} animation - The animation that we will animate. - * @param {Number} duration - The animation duration in ms. - * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions - */ - addAnimation: function (chart, animation, duration, lazy) { - var animations = this.animations; - var i, ilen; - - animation.chart = chart; - - if (!lazy) { - chart.animating = true; - } - - for (i = 0, ilen = animations.length; i < ilen; ++i) { - if (animations[i].chart === chart) { - animations[i] = animation; - return; - } - } - - animations.push(animation); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (animations.length === 1) { - this.requestAnimationFrame(); - } - }, - - cancelAnimation: function (chart) { - var index = helpers.findIndex(this.animations, function (animation) { - return animation.chart === chart; - }); - - if (index !== -1) { - this.animations.splice(index, 1); - chart.animating = false; - } - }, - - requestAnimationFrame: function () { - var me = this; - if (me.request === null) { - // Skip animation frame requests until the active one is executed. - // This can happen when processing mouse events, e.g. 'mousemove' - // and 'mouseout' events will trigger multiple renders. - me.request = helpers.requestAnimFrame.call(window, function () { - me.request = null; - me.startDigest(); - }); - } - }, - - /** - * @private - */ - startDigest: function () { - var me = this; - var startTime = Date.now(); - var framesToDrop = 0; - - if (me.dropFrames > 1) { - framesToDrop = Math.floor(me.dropFrames); - me.dropFrames = me.dropFrames % 1; - } - - me.advance(1 + framesToDrop); - - var endTime = Date.now(); - - me.dropFrames += (endTime - startTime) / me.frameDuration; - - // Do we have more stuff to animate? - if (me.animations.length > 0) { - me.requestAnimationFrame(); - } - }, - - /** - * @private - */ - advance: function (count) { - var animations = this.animations; - var animation, chart; - var i = 0; - - while (i < animations.length) { - animation = animations[i]; - chart = animation.chart; - - animation.currentStep = (animation.currentStep || 0) + count; - animation.currentStep = Math.min(animation.currentStep, animation.numSteps); - - helpers.callback(animation.render, [chart, animation], chart); - helpers.callback(animation.onAnimationProgress, [animation], chart); - - if (animation.currentStep >= animation.numSteps) { - helpers.callback(animation.onAnimationComplete, [animation], chart); - chart.animating = false; - animations.splice(i, 1); - } else { - ++i; - } - } - } - }; - - /** - * Provided for backward compatibility, use Chart.Animation instead - * @prop Chart.Animation#animationObject - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ - Object.defineProperty(Chart.Animation.prototype, 'animationObject', { - get: function () { - return this; - } - }); - - /** - * Provided for backward compatibility, use Chart.Animation#chart instead - * @prop Chart.Animation#chartInstance - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ - Object.defineProperty(Chart.Animation.prototype, 'chartInstance', { - get: function () { - return this.chart; - }, - set: function (value) { - this.chart = value; - } - }); - - }; - - }, { "25": 25, "26": 26, "45": 45 }], 23: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var helpers = require(45); - var Interaction = require(28); - var layouts = require(30); - var platform = require(48); - var plugins = require(31); - - module.exports = function (Chart) { - - // Create a dictionary of chart types, to allow for extension of existing types - Chart.types = {}; - - // Store a reference to each instance - allowing us to globally resize chart instances on window resize. - // Destroy method on the chart will remove the instance of the chart from this reference. - Chart.instances = {}; - - // Controllers available for dataset visualization eg. bar, line, slice, etc. - Chart.controllers = {}; - - /** - * Initializes the given config with global and chart default values. - */ - function initConfig(config) { - config = config || {}; - - // Do NOT use configMerge() for the data object because this method merges arrays - // and so would change references to labels and datasets, preventing data updates. - var data = config.data = config.data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - - config.options = helpers.configMerge( - defaults.global, - defaults[config.type], - config.options || {}); - - return config; - } - - /** - * Updates the config of the chart - * @param chart {Chart} chart to update the options for - */ - function updateConfig(chart) { - var newOptions = chart.options; - - helpers.each(chart.scales, function (scale) { - layouts.removeBox(chart, scale); - }); - - newOptions = helpers.configMerge( - Chart.defaults.global, - Chart.defaults[chart.config.type], - newOptions); - - chart.options = chart.config.options = newOptions; - chart.ensureScalesHaveIDs(); - chart.buildOrUpdateScales(); - // Tooltip - chart.tooltip._options = newOptions.tooltips; - chart.tooltip.initialize(); - } - - function positionIsHorizontal(position) { - return position === 'top' || position === 'bottom'; - } - - helpers.extend(Chart.prototype, /** @lends Chart */ { - /** - * @private - */ - construct: function (item, config) { - var me = this; - - config = initConfig(config); - - var context = platform.acquireContext(item, config); - var canvas = context && context.canvas; - var height = canvas && canvas.height; - var width = canvas && canvas.width; - - me.id = helpers.uid(); - me.ctx = context; - me.canvas = canvas; - me.config = config; - me.width = width; - me.height = height; - me.aspectRatio = height ? width / height : null; - me.options = config.options; - me._bufferedRender = false; - - /** - * Provided for backward compatibility, Chart and Chart.Controller have been merged, - * the "instance" still need to be defined since it might be called from plugins. - * @prop Chart#chart - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - me.chart = me; - me.controller = me; // chart.chart.controller #inception - - // Add the chart instance to the global namespace - Chart.instances[me.id] = me; - - // Define alias to the config data: `chart.data === chart.config.data` - Object.defineProperty(me, 'data', { - get: function () { - return me.config.data; - }, - set: function (value) { - me.config.data = value; - } - }); - - if (!context || !canvas) { - // The given item is not a compatible context2d element, let's return before finalizing - // the chart initialization but after setting basic chart / controller properties that - // can help to figure out that the chart is not valid (e.g chart.canvas !== null); - // https://github.com/chartjs/Chart.js/issues/2807 - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - - me.initialize(); - me.update(); - }, - - /** - * @private - */ - initialize: function () { - var me = this; - - // Before init plugin notification - plugins.notify(me, 'beforeInit'); - - helpers.retinaScale(me, me.options.devicePixelRatio); - - me.bindEvents(); - - if (me.options.responsive) { - // Initial resize before chart draws (must be silent to preserve initial animations). - me.resize(true); - } - - // Make sure scales have IDs and are built before we build any controllers. - me.ensureScalesHaveIDs(); - me.buildOrUpdateScales(); - me.initToolTip(); - - // After init plugin notification - plugins.notify(me, 'afterInit'); - - return me; - }, - - clear: function () { - helpers.canvas.clear(this); - return this; - }, - - stop: function () { - // Stops any current animation loop occurring - Chart.animationService.cancelAnimation(this); - return this; - }, - - resize: function (silent) { - var me = this; - var options = me.options; - var canvas = me.canvas; - var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; - - // the canvas render width and height will be casted to integers so make sure that - // the canvas display style uses the same integer values to avoid blurring effect. - - // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased - var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas))); - var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas))); - - if (me.width === newWidth && me.height === newHeight) { - return; - } - - canvas.width = me.width = newWidth; - canvas.height = me.height = newHeight; - canvas.style.width = newWidth + 'px'; - canvas.style.height = newHeight + 'px'; - - helpers.retinaScale(me, options.devicePixelRatio); - - if (!silent) { - // Notify any plugins about the resize - var newSize = { width: newWidth, height: newHeight }; - plugins.notify(me, 'resize', [newSize]); - - // Notify of resize - if (me.options.onResize) { - me.options.onResize(me, newSize); - } - - me.stop(); - me.update(me.options.responsiveAnimationDuration); - } - }, - - ensureScalesHaveIDs: function () { - var options = this.options; - var scalesOptions = options.scales || {}; - var scaleOptions = options.scale; - - helpers.each(scalesOptions.xAxes, function (xAxisOptions, index) { - xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); - }); - - helpers.each(scalesOptions.yAxes, function (yAxisOptions, index) { - yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); - }); - - if (scaleOptions) { - scaleOptions.id = scaleOptions.id || 'scale'; - } - }, - - /** - * Builds a map of scale ID to scale object for future lookup. - */ - buildOrUpdateScales: function () { - var me = this; - var options = me.options; - var scales = me.scales || {}; - var items = []; - var updated = Object.keys(scales).reduce(function (obj, id) { - obj[id] = false; - return obj; - }, {}); - - if (options.scales) { - items = items.concat( - (options.scales.xAxes || []).map(function (xAxisOptions) { - return { options: xAxisOptions, dtype: 'category', dposition: 'bottom' }; - }), - (options.scales.yAxes || []).map(function (yAxisOptions) { - return { options: yAxisOptions, dtype: 'linear', dposition: 'left' }; - }) - ); - } - - if (options.scale) { - items.push({ - options: options.scale, - dtype: 'radialLinear', - isDefault: true, - dposition: 'chartArea' - }); - } - - helpers.each(items, function (item) { - var scaleOptions = item.options; - var id = scaleOptions.id; - var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype); - - if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - - updated[id] = true; - var scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - scale.options = scaleOptions; - scale.ctx = me.ctx; - scale.chart = me; - } else { - var scaleClass = Chart.scaleService.getScaleConstructor(scaleType); - if (!scaleClass) { - return; - } - scale = new scaleClass({ - id: id, - type: scaleType, - options: scaleOptions, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - - scale.mergeTicksOptions(); - - // TODO(SB): I think we should be able to remove this custom case (options.scale) - // and consider it as a regular scale part of the "scales"" map only! This would - // make the logic easier and remove some useless? custom code. - if (item.isDefault) { - me.scale = scale; - } - }); - // clear up discarded scales - helpers.each(updated, function (hasUpdated, id) { - if (!hasUpdated) { - delete scales[id]; - } - }); - - me.scales = scales; - - Chart.scaleService.addScalesToLayout(this); - }, - - buildOrUpdateControllers: function () { - var me = this; - var types = []; - var newControllers = []; - - helpers.each(me.data.datasets, function (dataset, datasetIndex) { - var meta = me.getDatasetMeta(datasetIndex); - var type = dataset.type || me.config.type; - - if (meta.type && meta.type !== type) { - me.destroyDatasetMeta(datasetIndex); - meta = me.getDatasetMeta(datasetIndex); - } - meta.type = type; - - types.push(meta.type); - - if (meta.controller) { - meta.controller.updateIndex(datasetIndex); - meta.controller.linkScales(); - } else { - var ControllerClass = Chart.controllers[meta.type]; - if (ControllerClass === undefined) { - throw new Error('"' + meta.type + '" is not a chart type.'); - } - - meta.controller = new ControllerClass(me, datasetIndex); - newControllers.push(meta.controller); - } - }, me); - - return newControllers; - }, - - /** - * Reset the elements of all datasets - * @private - */ - resetElements: function () { - var me = this; - helpers.each(me.data.datasets, function (dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - }, - - /** - * Resets the chart back to it's state before the initial animation - */ - reset: function () { - this.resetElements(); - this.tooltip.initialize(); - }, - - update: function (config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - updateConfig(me); - - // plugins options references might have change, let's invalidate the cache - // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - plugins._invalidate(me); - - if (plugins.notify(me, 'beforeUpdate') === false) { - return; - } - - // In case the entire data object changed - me.tooltip._data = me.data; - - // Make sure dataset controllers are updated and new controllers are reset - var newControllers = me.buildOrUpdateControllers(); - - // Make sure all dataset controllers have correct meta data counts - helpers.each(me.data.datasets, function (dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); - }, me); - - me.updateLayout(); - - // Can only reset the new controllers after the scales have been updated - if (me.options.animation && me.options.animation.duration) { - helpers.each(newControllers, function (controller) { - controller.reset(); - }); - } - - me.updateDatasets(); - - // Need to reset tooltip in case it is displayed with elements that are removed - // after update. - me.tooltip.initialize(); - - // Last active contains items that were previously in the tooltip. - // When we reset the tooltip, we need to clear it - me.lastActive = []; - - // Do this before render so that any plugins that need final scale updates can use it - plugins.notify(me, 'afterUpdate'); - - if (me._bufferedRender) { - me._bufferedRequest = { - duration: config.duration, - easing: config.easing, - lazy: config.lazy - }; - } else { - me.render(config); - } - }, - - /** - * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` - * hook, in which case, plugins will not be called on `afterLayout`. - * @private - */ - updateLayout: function () { - var me = this; - - if (plugins.notify(me, 'beforeLayout') === false) { - return; - } - - layouts.update(this, this.width, this.height); - - /** - * Provided for backward compatibility, use `afterLayout` instead. - * @method IPlugin#afterScaleUpdate - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - plugins.notify(me, 'afterScaleUpdate'); - plugins.notify(me, 'afterLayout'); - }, - - /** - * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` - * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. - * @private - */ - updateDatasets: function () { - var me = this; - - if (plugins.notify(me, 'beforeDatasetsUpdate') === false) { - return; - } - - for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.updateDataset(i); - } - - plugins.notify(me, 'afterDatasetsUpdate'); - }, - - /** - * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` - * hook, in which case, plugins will not be called on `afterDatasetUpdate`. - * @private - */ - updateDataset: function (index) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index - }; - - if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { - return; - } - - meta.controller.update(); - - plugins.notify(me, 'afterDatasetUpdate', [args]); - }, - - render: function (config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - var duration = config.duration; - var lazy = config.lazy; - - if (plugins.notify(me, 'beforeRender') === false) { - return; - } - - var animationOptions = me.options.animation; - var onComplete = function (animation) { - plugins.notify(me, 'afterRender'); - helpers.callback(animationOptions && animationOptions.onComplete, [animation], me); - }; - - if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) { - var animation = new Chart.Animation({ - numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps - easing: config.easing || animationOptions.easing, - - render: function (chart, animationObject) { - var easingFunction = helpers.easing.effects[animationObject.easing]; - var currentStep = animationObject.currentStep; - var stepDecimal = currentStep / animationObject.numSteps; - - chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); - }, - - onAnimationProgress: animationOptions.onProgress, - onAnimationComplete: onComplete - }); - - Chart.animationService.addAnimation(me, animation, duration, lazy); - } else { - me.draw(); - - // See https://github.com/chartjs/Chart.js/issues/3781 - onComplete(new Chart.Animation({ numSteps: 0, chart: me })); - } - - return me; - }, - - draw: function (easingValue) { - var me = this; - - me.clear(); - - if (helpers.isNullOrUndef(easingValue)) { - easingValue = 1; - } - - me.transition(easingValue); - - if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) { - return; - } - - // Draw all the scales - helpers.each(me.boxes, function (box) { - box.draw(me.chartArea); - }, me); - - if (me.scale) { - me.scale.draw(); - } - - me.drawDatasets(easingValue); - me._drawTooltip(easingValue); - - plugins.notify(me, 'afterDraw', [easingValue]); - }, - - /** - * @private - */ - transition: function (easingValue) { - var me = this; - - for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { - if (me.isDatasetVisible(i)) { - me.getDatasetMeta(i).controller.transition(easingValue); - } - } - - me.tooltip.transition(easingValue); - }, - - /** - * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` - * hook, in which case, plugins will not be called on `afterDatasetsDraw`. - * @private - */ - drawDatasets: function (easingValue) { - var me = this; - - if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { - return; - } - - // Draw datasets reversed to support proper line stacking - for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { - if (me.isDatasetVisible(i)) { - me.drawDataset(i, easingValue); - } - } - - plugins.notify(me, 'afterDatasetsDraw', [easingValue]); - }, - - /** - * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` - * hook, in which case, plugins will not be called on `afterDatasetDraw`. - * @private - */ - drawDataset: function (index, easingValue) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index, - easingValue: easingValue - }; - - if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { - return; - } - - meta.controller.draw(easingValue); - - plugins.notify(me, 'afterDatasetDraw', [args]); - }, - - /** - * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` - * hook, in which case, plugins will not be called on `afterTooltipDraw`. - * @private - */ - _drawTooltip: function (easingValue) { - var me = this; - var tooltip = me.tooltip; - var args = { - tooltip: tooltip, - easingValue: easingValue - }; - - if (plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { - return; - } - - tooltip.draw(); - - plugins.notify(me, 'afterTooltipDraw', [args]); - }, - - // Get the single element that was clicked on - // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw - getElementAtEvent: function (e) { - return Interaction.modes.single(this, e); - }, - - getElementsAtEvent: function (e) { - return Interaction.modes.label(this, e, { intersect: true }); - }, - - getElementsAtXAxis: function (e) { - return Interaction.modes['x-axis'](this, e, { intersect: true }); - }, - - getElementsAtEventForMode: function (e, mode, options) { - var method = Interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options); - } - - return []; - }, - - getDatasetAtEvent: function (e) { - return Interaction.modes.dataset(this, e, { intersect: true }); - }, - - getDatasetMeta: function (datasetIndex) { - var me = this; - var dataset = me.data.datasets[datasetIndex]; - if (!dataset._meta) { - dataset._meta = {}; - } - - var meta = dataset._meta[me.id]; - if (!meta) { - meta = dataset._meta[me.id] = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, // See isDatasetVisible() comment - xAxisID: null, - yAxisID: null - }; - } - - return meta; - }, - - getVisibleDatasetCount: function () { - var count = 0; - for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - if (this.isDatasetVisible(i)) { - count++; - } - } - return count; - }, - - isDatasetVisible: function (datasetIndex) { - var meta = this.getDatasetMeta(datasetIndex); - - // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, - // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. - return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; - }, - - generateLegend: function () { - return this.options.legendCallback(this); - }, - - /** - * @private - */ - destroyDatasetMeta: function (datasetIndex) { - var id = this.id; - var dataset = this.data.datasets[datasetIndex]; - var meta = dataset._meta && dataset._meta[id]; - - if (meta) { - meta.controller.destroy(); - delete dataset._meta[id]; - } - }, - - destroy: function () { - var me = this; - var canvas = me.canvas; - var i, ilen; - - me.stop(); - - // dataset controllers need to cleanup associated data - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.destroyDatasetMeta(i); - } - - if (canvas) { - me.unbindEvents(); - helpers.canvas.clear(me); - platform.releaseContext(me.ctx); - me.canvas = null; - me.ctx = null; - } - - plugins.notify(me, 'destroy'); - - delete Chart.instances[me.id]; - }, - - toBase64Image: function () { - return this.canvas.toDataURL.apply(this.canvas, arguments); - }, - - initToolTip: function () { - var me = this; - me.tooltip = new Chart.Tooltip({ - _chart: me, - _chartInstance: me, // deprecated, backward compatibility - _data: me.data, - _options: me.options.tooltips - }, me); - }, - - /** - * @private - */ - bindEvents: function () { - var me = this; - var listeners = me._listeners = {}; - var listener = function () { - me.eventHandler.apply(me, arguments); - }; - - helpers.each(me.options.events, function (type) { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }); - - // Elements used to detect size change should not be injected for non responsive charts. - // See https://github.com/chartjs/Chart.js/issues/2210 - if (me.options.responsive) { - listener = function () { - me.resize(); - }; - - platform.addEventListener(me, 'resize', listener); - listeners.resize = listener; - } - }, - - /** - * @private - */ - unbindEvents: function () { - var me = this; - var listeners = me._listeners; - if (!listeners) { - return; - } - - delete me._listeners; - helpers.each(listeners, function (listener, type) { - platform.removeEventListener(me, type, listener); - }); - }, - - updateHoverStyle: function (elements, mode, enabled) { - var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; - var element, i, ilen; - - for (i = 0, ilen = elements.length; i < ilen; ++i) { - element = elements[i]; - if (element) { - this.getDatasetMeta(element._datasetIndex).controller[method](element); - } - } - }, - - /** - * @private - */ - eventHandler: function (e) { - var me = this; - var tooltip = me.tooltip; - - if (plugins.notify(me, 'beforeEvent', [e]) === false) { - return; - } - - // Buffer any update calls so that renders do not occur - me._bufferedRender = true; - me._bufferedRequest = null; - - var changed = me.handleEvent(e); - // for smooth tooltip animations issue #4989 - // the tooltip should be the source of change - // Animation check workaround: - // tooltip._start will be null when tooltip isn't animating - if (tooltip) { - changed = tooltip._start - ? tooltip.handleEvent(e) - : changed | tooltip.handleEvent(e); - } - - plugins.notify(me, 'afterEvent', [e]); - - var bufferedRequest = me._bufferedRequest; - if (bufferedRequest) { - // If we have an update that was triggered, we need to do a normal render - me.render(bufferedRequest); - } else if (changed && !me.animating) { - // If entering, leaving, or changing elements, animate the change via pivot - me.stop(); - - // We only need to render at this point. Updating will cause scales to be - // recomputed generating flicker & using more memory than necessary. - me.render(me.options.hover.animationDuration, true); - } - - me._bufferedRender = false; - me._bufferedRequest = null; - - return me; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event the event to handle - * @return {Boolean} true if the chart needs to re-render - */ - handleEvent: function (e) { - var me = this; - var options = me.options || {}; - var hoverOptions = options.hover; - var changed = false; - - me.lastActive = me.lastActive || []; - - // Find Active Elements for hover and tooltips - if (e.type === 'mouseout') { - me.active = []; - } else { - me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); - } - - // Invoke onHover hook - // Need to call with native event here to not break backwards compatibility - helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); - - if (e.type === 'mouseup' || e.type === 'click') { - if (options.onClick) { - // Use e.native here for backwards compatibility - options.onClick.call(me, e.native, me.active); - } - } - - // Remove styling for last active (even if it may still be active) - if (me.lastActive.length) { - me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); - } - - // Built in hover styling - if (me.active.length && hoverOptions.mode) { - me.updateHoverStyle(me.active, hoverOptions.mode, true); - } - - changed = !helpers.arrayEquals(me.active, me.lastActive); - - // Remember Last Actives - me.lastActive = me.active; - - return changed; - } - }); - - /** - * Provided for backward compatibility, use Chart instead. - * @class Chart.Controller - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - Chart.Controller = Chart; - }; - - }, { "25": 25, "28": 28, "30": 30, "31": 31, "45": 45, "48": 48 }], 24: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - - module.exports = function (Chart) { - - var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; - - /** - * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', - * 'unshift') and notify the listener AFTER the array has been altered. Listeners are - * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. - */ - function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - - arrayEvents.forEach(function (key) { - var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); - var base = array[key]; - - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value: function () { - var args = Array.prototype.slice.call(arguments); - var res = base.apply(this, args); - - helpers.each(array._chartjs.listeners, function (object) { - if (typeof object[method] === 'function') { - object[method].apply(object, args); - } - }); - - return res; - } - }); - }); - } - - /** - * Removes the given array event listener and cleanup extra attached properties (such as - * the _chartjs stub and overridden methods) if array doesn't have any more listeners. - */ - function unlistenArrayEvents(array, listener) { - var stub = array._chartjs; - if (!stub) { - return; - } - - var listeners = stub.listeners; - var index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - - if (listeners.length > 0) { - return; - } - - arrayEvents.forEach(function (key) { - delete array[key]; - }); - - delete array._chartjs; - } - - // Base class for all dataset controllers (line, bar, etc) - Chart.DatasetController = function (chart, datasetIndex) { - this.initialize(chart, datasetIndex); - }; - - helpers.extend(Chart.DatasetController.prototype, { - - /** - * Element type used to generate a meta dataset (e.g. Chart.element.Line). - * @type {Chart.core.element} - */ - datasetElementType: null, - - /** - * Element type used to generate a meta data (e.g. Chart.element.Point). - * @type {Chart.core.element} - */ - dataElementType: null, - - initialize: function (chart, datasetIndex) { - var me = this; - me.chart = chart; - me.index = datasetIndex; - me.linkScales(); - me.addElements(); - }, - - updateIndex: function (datasetIndex) { - this.index = datasetIndex; - }, - - linkScales: function () { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - - if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { - meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; - } - if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { - meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; - } - }, - - getDataset: function () { - return this.chart.data.datasets[this.index]; - }, - - getMeta: function () { - return this.chart.getDatasetMeta(this.index); - }, - - getScaleForId: function (scaleID) { - return this.chart.scales[scaleID]; - }, - - reset: function () { - this.update(true); - }, - - /** - * @private - */ - destroy: function () { - if (this._data) { - unlistenArrayEvents(this._data, this); - } - }, - - createMetaDataset: function () { - var me = this; - var type = me.datasetElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index - }); - }, - - createMetaData: function (index) { - var me = this; - var type = me.dataElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index, - _index: index - }); - }, - - addElements: function () { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data || []; - var metaData = meta.data; - var i, ilen; - - for (i = 0, ilen = data.length; i < ilen; ++i) { - metaData[i] = metaData[i] || me.createMetaData(i); - } - - meta.dataset = meta.dataset || me.createMetaDataset(); - }, - - addElementAndReset: function (index) { - var element = this.createMetaData(index); - this.getMeta().data.splice(index, 0, element); - this.updateElement(element, index, true); - }, - - buildOrUpdateElements: function () { - var me = this; - var dataset = me.getDataset(); - var data = dataset.data || (dataset.data = []); - - // In order to correctly handle data addition/deletion animation (an thus simulate - // real-time charts), we need to monitor these data modifications and synchronize - // the internal meta data accordingly. - if (me._data !== data) { - if (me._data) { - // This case happens when the user replaced the data array instance. - unlistenArrayEvents(me._data, me); - } - - listenArrayEvents(data, me); - me._data = data; - } - - // Re-sync meta data in case the user replaced the data array or if we missed - // any updates and so make sure that we handle number of datapoints changing. - me.resyncElements(); - }, - - update: helpers.noop, - - transition: function (easingValue) { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - for (; i < ilen; ++i) { - elements[i].transition(easingValue); - } - - if (meta.dataset) { - meta.dataset.transition(easingValue); - } - }, - - draw: function () { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - if (meta.dataset) { - meta.dataset.draw(); - } - - for (; i < ilen; ++i) { - elements[i].draw(); - } - }, - - removeHoverStyle: function (element, elementOpts) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var valueOrDefault = helpers.valueAtIndexOrDefault; - var model = element._model; - - model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); - model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); - model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); - }, - - setHoverStyle: function (element) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var valueOrDefault = helpers.valueAtIndexOrDefault; - var getHoverColor = helpers.getHoverColor; - var model = element._model; - - model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor)); - model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor)); - model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); - }, - - /** - * @private - */ - resyncElements: function () { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data; - var numMeta = meta.data.length; - var numData = data.length; - - if (numData < numMeta) { - meta.data.splice(numData, numMeta - numData); - } else if (numData > numMeta) { - me.insertElements(numMeta, numData - numMeta); - } - }, - - /** - * @private - */ - insertElements: function (start, count) { - for (var i = 0; i < count; ++i) { - this.addElementAndReset(start + i); - } - }, - - /** - * @private - */ - onDataPush: function () { - this.insertElements(this.getDataset().data.length - 1, arguments.length); - }, - - /** - * @private - */ - onDataPop: function () { - this.getMeta().data.pop(); - }, - - /** - * @private - */ - onDataShift: function () { - this.getMeta().data.shift(); - }, - - /** - * @private - */ - onDataSplice: function (start, count) { - this.getMeta().data.splice(start, count); - this.insertElements(start, arguments.length - 2); - }, - - /** - * @private - */ - onDataUnshift: function () { - this.insertElements(0, arguments.length); - } - }); - - Chart.DatasetController.extend = helpers.inherits; - }; - - }, { "45": 45 }], 25: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - - module.exports = { - /** - * @private - */ - _set: function (scope, values) { - return helpers.merge(this[scope] || (this[scope] = {}), values); - } - }; - - }, { "45": 45 }], 26: [function (require, module, exports) { - 'use strict'; - - var color = require(2); - var helpers = require(45); - - function interpolate(start, view, model, ease) { - var keys = Object.keys(model); - var i, ilen, key, actual, origin, target, type, c0, c1; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - - target = model[key]; - - // if a value is added to the model after pivot() has been called, the view - // doesn't contain it, so let's initialize the view to the target value. - if (!view.hasOwnProperty(key)) { - view[key] = target; - } - - actual = view[key]; - - if (actual === target || key[0] === '_') { - continue; - } - - if (!start.hasOwnProperty(key)) { - start[key] = actual; - } - - origin = start[key]; - - type = typeof target; - - if (type === typeof origin) { - if (type === 'string') { - c0 = color(origin); - if (c0.valid) { - c1 = color(target); - if (c1.valid) { - view[key] = c1.mix(c0, ease).rgbString(); - continue; - } - } - } else if (type === 'number' && isFinite(origin) && isFinite(target)) { - view[key] = origin + (target - origin) * ease; - continue; - } - } - - view[key] = target; - } - } - - var Element = function (configuration) { - helpers.extend(this, configuration); - this.initialize.apply(this, arguments); - }; - - helpers.extend(Element.prototype, { - - initialize: function () { - this.hidden = false; - }, - - pivot: function () { - var me = this; - if (!me._view) { - me._view = helpers.clone(me._model); - } - me._start = {}; - return me; - }, - - transition: function (ease) { - var me = this; - var model = me._model; - var start = me._start; - var view = me._view; - - // No animation -> No Transition - if (!model || ease === 1) { - me._view = model; - me._start = null; - return me; - } - - if (!view) { - view = me._view = {}; - } - - if (!start) { - start = me._start = {}; - } - - interpolate(start, view, model, ease); - - return me; - }, - - tooltipPosition: function () { - return { - x: this._model.x, - y: this._model.y - }; - }, - - hasValue: function () { - return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y); - } - }); - - Element.extend = helpers.inherits; - - module.exports = Element; - - }, { "2": 2, "45": 45 }], 27: [function (require, module, exports) { - /* global window: false */ - /* global document: false */ - 'use strict'; - - var color = require(2); - var defaults = require(25); - var helpers = require(45); - - module.exports = function (Chart) { - - // -- Basic js utility methods - - helpers.configMerge = function (/* objects ... */) { - return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), { - merger: function (key, target, source, options) { - var tval = target[key] || {}; - var sval = source[key]; - - if (key === 'scales') { - // scale config merging is complex. Add our own function here for that - target[key] = helpers.scaleMerge(tval, sval); - } else if (key === 'scale') { - // used in polar area & radar charts since there is only one scale - target[key] = helpers.merge(tval, [Chart.scaleService.getScaleDefaults(sval.type), sval]); - } else { - helpers._merger(key, target, source, options); - } - } - }); - }; - - helpers.scaleMerge = function (/* objects ... */) { - return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), { - merger: function (key, target, source, options) { - if (key === 'xAxes' || key === 'yAxes') { - var slen = source[key].length; - var i, type, scale; - - if (!target[key]) { - target[key] = []; - } - - for (i = 0; i < slen; ++i) { - scale = source[key][i]; - type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear'); - - if (i >= target[key].length) { - target[key].push({}); - } - - if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { - // new/untyped scale or type changed: let's apply the new defaults - // then merge source scale to correctly overwrite the defaults. - helpers.merge(target[key][i], [Chart.scaleService.getScaleDefaults(type), scale]); - } else { - // scales type are the same - helpers.merge(target[key][i], scale); - } - } - } else { - helpers._merger(key, target, source, options); - } - } - }); - }; - - helpers.where = function (collection, filterCallback) { - if (helpers.isArray(collection) && Array.prototype.filter) { - return collection.filter(filterCallback); - } - var filtered = []; - - helpers.each(collection, function (item) { - if (filterCallback(item)) { - filtered.push(item); - } - }); - - return filtered; - }; - helpers.findIndex = Array.prototype.findIndex ? - function (array, callback, scope) { - return array.findIndex(callback, scope); - } : - function (array, callback, scope) { - scope = scope === undefined ? array : scope; - for (var i = 0, ilen = array.length; i < ilen; ++i) { - if (callback.call(scope, array[i], i, array)) { - return i; - } - } - return -1; - }; - helpers.findNextWhere = function (arrayToSearch, filterCallback, startIndex) { - // Default to start of the array - if (helpers.isNullOrUndef(startIndex)) { - startIndex = -1; - } - for (var i = startIndex + 1; i < arrayToSearch.length; i++) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - helpers.findPreviousWhere = function (arrayToSearch, filterCallback, startIndex) { - // Default to end of the array - if (helpers.isNullOrUndef(startIndex)) { - startIndex = arrayToSearch.length; - } - for (var i = startIndex - 1; i >= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - - // -- Math methods - helpers.isNumber = function (n) { - return !isNaN(parseFloat(n)) && isFinite(n); - }; - helpers.almostEquals = function (x, y, epsilon) { - return Math.abs(x - y) < epsilon; - }; - helpers.almostWhole = function (x, epsilon) { - var rounded = Math.round(x); - return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); - }; - helpers.max = function (array) { - return array.reduce(function (max, value) { - if (!isNaN(value)) { - return Math.max(max, value); - } - return max; - }, Number.NEGATIVE_INFINITY); - }; - helpers.min = function (array) { - return array.reduce(function (min, value) { - if (!isNaN(value)) { - return Math.min(min, value); - } - return min; - }, Number.POSITIVE_INFINITY); - }; - helpers.sign = Math.sign ? - function (x) { - return Math.sign(x); - } : - function (x) { - x = +x; // convert to a number - if (x === 0 || isNaN(x)) { - return x; - } - return x > 0 ? 1 : -1; - }; - helpers.log10 = Math.log10 ? - function (x) { - return Math.log10(x); - } : - function (x) { - var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. - // Check for whole powers of 10, - // which due to floating point rounding error should be corrected. - var powerOf10 = Math.round(exponent); - var isPowerOf10 = x === Math.pow(10, powerOf10); - - return isPowerOf10 ? powerOf10 : exponent; - }; - helpers.toRadians = function (degrees) { - return degrees * (Math.PI / 180); - }; - helpers.toDegrees = function (radians) { - return radians * (180 / Math.PI); - }; - // Gets the angle from vertical upright to the point about a centre. - helpers.getAngleFromPoint = function (centrePoint, anglePoint) { - var distanceFromXCenter = anglePoint.x - centrePoint.x; - var distanceFromYCenter = anglePoint.y - centrePoint.y; - var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - - if (angle < (-0.5 * Math.PI)) { - angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }; - helpers.distanceBetweenPoints = function (pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); - }; - helpers.aliasPixel = function (pixelWidth) { - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }; - helpers.splineCurve = function (firstPoint, middlePoint, afterPoint, t) { - // Props to Rob Spencer at scaled innovation for his post on splining between points - // http://scaledinnovation.com/analytics/splines/aboutSplines.html - - // This function must also respect "skipped" points - - var previous = firstPoint.skip ? middlePoint : firstPoint; - var current = middlePoint; - var next = afterPoint.skip ? middlePoint : afterPoint; - - var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); - var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); - - var s01 = d01 / (d01 + d12); - var s12 = d12 / (d01 + d12); - - // If all points are the same, s01 & s02 will be inf - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - - var fa = t * s01; // scaling factor for triangle Ta - var fb = t * s12; - - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; - }; - helpers.EPSILON = Number.EPSILON || 1e-14; - helpers.splineCurveMonotone = function (points) { - // This function calculates Bézier control points in a similar way than |splineCurve|, - // but preserves monotonicity of the provided data and ensures no local extremums are added - // between the dataset discrete points due to the interpolation. - // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation - - var pointsWithTangents = (points || []).map(function (point) { - return { - model: point._model, - deltaK: 0, - mK: 0 - }; - }); - - // Calculate slopes (deltaK) and initialize tangents (mK) - var pointsLen = pointsWithTangents.length; - var i, pointBefore, pointCurrent, pointAfter; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointAfter && !pointAfter.model.skip) { - var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); - - // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 - pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; - } - - if (!pointBefore || pointBefore.model.skip) { - pointCurrent.mK = pointCurrent.deltaK; - } else if (!pointAfter || pointAfter.model.skip) { - pointCurrent.mK = pointBefore.deltaK; - } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { - pointCurrent.mK = 0; - } else { - pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; - } - } - - // Adjust tangents to ensure monotonic properties - var alphaK, betaK, tauK, squaredMagnitude; - for (i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointsWithTangents[i]; - pointAfter = pointsWithTangents[i + 1]; - if (pointCurrent.model.skip || pointAfter.model.skip) { - continue; - } - - if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { - pointCurrent.mK = pointAfter.mK = 0; - continue; - } - - alphaK = pointCurrent.mK / pointCurrent.deltaK; - betaK = pointAfter.mK / pointCurrent.deltaK; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - - tauK = 3 / Math.sqrt(squaredMagnitude); - pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; - pointAfter.mK = betaK * tauK * pointCurrent.deltaK; - } - - // Compute control points - var deltaX; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointBefore && !pointBefore.model.skip) { - deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; - pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; - pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; - } - if (pointAfter && !pointAfter.model.skip) { - deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; - pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; - pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; - } - } - }; - helpers.nextItem = function (collection, index, loop) { - if (loop) { - return index >= collection.length - 1 ? collection[0] : collection[index + 1]; - } - return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; - }; - helpers.previousItem = function (collection, index, loop) { - if (loop) { - return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; - } - return index <= 0 ? collection[0] : collection[index - 1]; - }; - // Implementation of the nice number algorithm used in determining where axis labels will go - helpers.niceNum = function (range, round) { - var exponent = Math.floor(helpers.log10(range)); - var fraction = range / Math.pow(10, exponent); - var niceFraction; - - if (round) { - if (fraction < 1.5) { - niceFraction = 1; - } else if (fraction < 3) { - niceFraction = 2; - } else if (fraction < 7) { - niceFraction = 5; - } else { - niceFraction = 10; - } - } else if (fraction <= 1.0) { - niceFraction = 1; - } else if (fraction <= 2) { - niceFraction = 2; - } else if (fraction <= 5) { - niceFraction = 5; - } else { - niceFraction = 10; - } - - return niceFraction * Math.pow(10, exponent); - }; - // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - helpers.requestAnimFrame = (function () { - if (typeof window === 'undefined') { - return function (callback) { - callback(); - }; - } - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function (callback) { - return window.setTimeout(callback, 1000 / 60); - }; - } ()); - // -- DOM methods - helpers.getRelativePosition = function (evt, chart) { - var mouseX, mouseY; - var e = evt.originalEvent || evt; - var canvas = evt.currentTarget || evt.srcElement; - var boundingRect = canvas.getBoundingClientRect(); - - var touches = e.touches; - if (touches && touches.length > 0) { - mouseX = touches[0].clientX; - mouseY = touches[0].clientY; - - } else { - mouseX = e.clientX; - mouseY = e.clientY; - } - - // Scale mouse coordinates into canvas coordinates - // by following the pattern laid out by 'jerryj' in the comments of - // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ - var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left')); - var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top')); - var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right')); - var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom')); - var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; - var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; - - // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However - // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here - mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); - mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); - - return { - x: mouseX, - y: mouseY - }; - - }; - - // Private helper function to convert max-width/max-height values that may be percentages into a number - function parseMaxStyle(styleValue, node, parentProperty) { - var valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - - if (styleValue.indexOf('%') !== -1) { - // percentage * size in dimension - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - - return valueInPixels; - } - - /** - * Returns if the given value contains an effective constraint. - * @private - */ - function isConstrainedValue(value) { - return value !== undefined && value !== null && value !== 'none'; - } - - // Private helper to get a constraint dimension - // @param domNode : the node to check the constraint on - // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight) - // @param percentageProperty : property of parent to use when calculating width as a percentage - // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser - function getConstraintDimension(domNode, maxStyle, percentageProperty) { - var view = document.defaultView; - var parentNode = domNode.parentNode; - var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; - var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; - var hasCNode = isConstrainedValue(constrainedNode); - var hasCContainer = isConstrainedValue(constrainedContainer); - var infinity = Number.POSITIVE_INFINITY; - - if (hasCNode || hasCContainer) { - return Math.min( - hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, - hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); - } - - return 'none'; - } - // returns Number or undefined if no constraint - helpers.getConstraintWidth = function (domNode) { - return getConstraintDimension(domNode, 'max-width', 'clientWidth'); - }; - // returns Number or undefined if no constraint - helpers.getConstraintHeight = function (domNode) { - return getConstraintDimension(domNode, 'max-height', 'clientHeight'); - }; - helpers.getMaximumWidth = function (domNode) { - var container = domNode.parentNode; - if (!container) { - return domNode.clientWidth; - } - - var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10); - var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10); - var w = container.clientWidth - paddingLeft - paddingRight; - var cw = helpers.getConstraintWidth(domNode); - return isNaN(cw) ? w : Math.min(w, cw); - }; - helpers.getMaximumHeight = function (domNode) { - var container = domNode.parentNode; - if (!container) { - return domNode.clientHeight; - } - - var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10); - var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10); - var h = container.clientHeight - paddingTop - paddingBottom; - var ch = helpers.getConstraintHeight(domNode); - return isNaN(ch) ? h : Math.min(h, ch); - }; - helpers.getStyle = function (el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }; - helpers.retinaScale = function (chart, forceRatio) { - var pixelRatio = chart.currentDevicePixelRatio = forceRatio || window.devicePixelRatio || 1; - if (pixelRatio === 1) { - return; - } - - var canvas = chart.canvas; - var height = chart.height; - var width = chart.width; - - canvas.height = height * pixelRatio; - canvas.width = width * pixelRatio; - chart.ctx.scale(pixelRatio, pixelRatio); - - // If no style has been set on the canvas, the render size is used as display size, - // making the chart visually bigger, so let's enforce it to the "correct" values. - // See https://github.com/chartjs/Chart.js/issues/3575 - if (!canvas.style.height && !canvas.style.width) { - canvas.style.height = height + 'px'; - canvas.style.width = width + 'px'; - } - }; - // -- Canvas methods - helpers.fontString = function (pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; - }; - helpers.longestText = function (ctx, font, arrayOfThings, cache) { - cache = cache || {}; - var data = cache.data = cache.data || {}; - var gc = cache.garbageCollect = cache.garbageCollect || []; - - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - - ctx.font = font; - var longest = 0; - helpers.each(arrayOfThings, function (thing) { - // Undefined strings and arrays should not be measured - if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) { - longest = helpers.measureText(ctx, data, gc, longest, thing); - } else if (helpers.isArray(thing)) { - // if it is an array lets measure each element - // to do maybe simplify this function a bit so we can do this more recursively? - helpers.each(thing, function (nestedThing) { - // Undefined strings and arrays should not be measured - if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) { - longest = helpers.measureText(ctx, data, gc, longest, nestedThing); - } - }); - } - }); - - var gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (var i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; - }; - helpers.measureText = function (ctx, data, gc, longest, string) { - var textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; - }; - helpers.numberOfLabelLines = function (arrayOfThings) { - var numberOfLines = 1; - helpers.each(arrayOfThings, function (thing) { - if (helpers.isArray(thing)) { - if (thing.length > numberOfLines) { - numberOfLines = thing.length; - } - } - }); - return numberOfLines; - }; - - helpers.color = !color ? - function (value) { - console.error('Color.js not found!'); - return value; - } : - function (value) { - /* global CanvasGradient */ - if (value instanceof CanvasGradient) { - value = defaults.global.defaultColor; - } - - return color(value); - }; - - helpers.getHoverColor = function (colorValue) { - /* global CanvasPattern */ - return (colorValue instanceof CanvasPattern) ? - colorValue : - helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString(); - }; - }; - - }, { "2": 2, "25": 25, "45": 45 }], 28: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - - /** - * Helper function to get relative position for an event - * @param {Event|IEvent} event - The event to get the position for - * @param {Chart} chart - The chart - * @returns {Point} the event position - */ - function getRelativePosition(e, chart) { - if (e.native) { - return { - x: e.x, - y: e.y - }; - } - - return helpers.getRelativePosition(e, chart); - } - - /** - * Helper function to traverse all of the visible elements in the chart - * @param chart {chart} the chart - * @param handler {Function} the callback to execute for each visible item - */ - function parseVisibleItems(chart, handler) { - var datasets = chart.data.datasets; - var meta, i, j, ilen, jlen; - - for (i = 0, ilen = datasets.length; i < ilen; ++i) { - if (!chart.isDatasetVisible(i)) { - continue; - } - - meta = chart.getDatasetMeta(i); - for (j = 0, jlen = meta.data.length; j < jlen; ++j) { - var element = meta.data[j]; - if (!element._view.skip) { - handler(element); - } - } - } - } - - /** - * Helper function to get the items that intersect the event position - * @param items {ChartElement[]} elements to filter - * @param position {Point} the point to be nearest to - * @return {ChartElement[]} the nearest items - */ - function getIntersectItems(chart, position) { - var elements = []; - - parseVisibleItems(chart, function (element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - } - }); - - return elements; - } - - /** - * Helper function to get the items nearest to the event position considering all visible items in teh chart - * @param chart {Chart} the chart to look at elements from - * @param position {Point} the point to be nearest to - * @param intersect {Boolean} if true, only consider items that intersect the position - * @param distanceMetric {Function} function to provide the distance between points - * @return {ChartElement[]} the nearest items - */ - function getNearestItems(chart, position, intersect, distanceMetric) { - var minDistance = Number.POSITIVE_INFINITY; - var nearestItems = []; - - parseVisibleItems(chart, function (element) { - if (intersect && !element.inRange(position.x, position.y)) { - return; - } - - var center = element.getCenterPoint(); - var distance = distanceMetric(position, center); - - if (distance < minDistance) { - nearestItems = [element]; - minDistance = distance; - } else if (distance === minDistance) { - // Can have multiple items at the same distance in which case we sort by size - nearestItems.push(element); - } - }); - - return nearestItems; - } - - /** - * Get a distance metric function for two points based on the - * axis mode setting - * @param {String} axis the axis mode. x|y|xy - */ - function getDistanceMetricForAxis(axis) { - var useX = axis.indexOf('x') !== -1; - var useY = axis.indexOf('y') !== -1; - - return function (pt1, pt2) { - var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; - } - - function indexMode(chart, e, options) { - var position = getRelativePosition(e, chart); - // Default axis for index mode is 'x' to match old behaviour - options.axis = options.axis || 'x'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - var elements = []; - - if (!items.length) { - return []; - } - - chart.data.datasets.forEach(function (dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - var element = meta.data[items[0]._index]; - - // don't count items that are skipped (null data) - if (element && !element._view.skip) { - elements.push(element); - } - } - }); - - return elements; - } - - /** - * @interface IInteractionOptions - */ - /** - * If true, only consider items that intersect the point - * @name IInterfaceOptions#boolean - * @type Boolean - */ - - /** - * Contains interaction related functions - * @namespace Chart.Interaction - */ - module.exports = { - // Helper function for different modes - modes: { - single: function (chart, e) { - var position = getRelativePosition(e, chart); - var elements = []; - - parseVisibleItems(chart, function (element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - return elements; - } - }); - - return elements.slice(0, 1); - }, - - /** - * @function Chart.Interaction.modes.label - * @deprecated since version 2.4.0 - * @todo remove at version 3 - * @private - */ - label: indexMode, - - /** - * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item - * @function Chart.Interaction.modes.index - * @since v2.4.0 - * @param chart {chart} the chart we are returning items from - * @param e {Event} the event we are find things at - * @param options {IInteractionOptions} options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - index: indexMode, - - /** - * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect is false, we find the nearest item and return the items in that dataset - * @function Chart.Interaction.modes.dataset - * @param chart {chart} the chart we are returning items from - * @param e {Event} the event we are find things at - * @param options {IInteractionOptions} options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - dataset: function (chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - - if (items.length > 0) { - items = chart.getDatasetMeta(items[0]._datasetIndex).data; - } - - return items; - }, - - /** - * @function Chart.Interaction.modes.x-axis - * @deprecated since version 2.4.0. Use index mode and intersect == true - * @todo remove at version 3 - * @private - */ - 'x-axis': function (chart, e) { - return indexMode(chart, e, { intersect: false }); - }, - - /** - * Point mode returns all elements that hit test based on the event position - * of the event - * @function Chart.Interaction.modes.intersect - * @param chart {chart} the chart we are returning items from - * @param e {Event} the event we are find things at - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - point: function (chart, e) { - var position = getRelativePosition(e, chart); - return getIntersectItems(chart, position); - }, - - /** - * nearest mode returns the element closest to the point - * @function Chart.Interaction.modes.intersect - * @param chart {chart} the chart we are returning items from - * @param e {Event} the event we are find things at - * @param options {IInteractionOptions} options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - nearest: function (chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric); - - // We have multiple items at the same distance from the event. Now sort by smallest - if (nearestItems.length > 1) { - nearestItems.sort(function (a, b) { - var sizeA = a.getArea(); - var sizeB = b.getArea(); - var ret = sizeA - sizeB; - - if (ret === 0) { - // if equal sort by dataset index - ret = a._datasetIndex - b._datasetIndex; - } - - return ret; - }); - } - - // Return only 1 item - return nearestItems.slice(0, 1); - }, - - /** - * x mode returns the elements that hit-test at the current x coordinate - * @function Chart.Interaction.modes.x - * @param chart {chart} the chart we are returning items from - * @param e {Event} the event we are find things at - * @param options {IInteractionOptions} options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - x: function (chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function (element) { - if (element.inXRange(position.x)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - }, - - /** - * y mode returns the elements that hit-test at the current y coordinate - * @function Chart.Interaction.modes.y - * @param chart {chart} the chart we are returning items from - * @param e {Event} the event we are find things at - * @param options {IInteractionOptions} options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - y: function (chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function (element) { - if (element.inYRange(position.y)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - } - } - }; - - }, { "45": 45 }], 29: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - - defaults._set('global', { - responsive: true, - responsiveAnimationDuration: 0, - maintainAspectRatio: true, - events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'], - hover: { - onHover: null, - mode: 'nearest', - intersect: true, - animationDuration: 400 - }, - onClick: null, - defaultColor: 'rgba(0,0,0,0.1)', - defaultFontColor: '#666', - defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - defaultFontSize: 12, - defaultFontStyle: 'normal', - showLines: true, - - // Element defaults defined in element extensions - elements: {}, - - // Layout options such as padding - layout: { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } - } - }); - - module.exports = function () { - - // Occupy the global variable of Chart, and create a simple base class - var Chart = function (item, config) { - this.construct(item, config); - return this; - }; - - Chart.Chart = Chart; - - return Chart; - }; - - }, { "25": 25 }], 30: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - - function filterByPosition(array, position) { - return helpers.where(array, function (v) { - return v.position === position; + if (localeFamilies[name]) { + localeFamilies[name].forEach(function (x) { + defineLocale(x.name, x.config); }); } - function sortByWeight(array, reverse) { - array.forEach(function (v, i) { - v._tmpIndex_ = i; - return v; - }); - array.sort(function (a, b) { - var v0 = reverse ? b : a; - var v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0._tmpIndex_ - v1._tmpIndex_ : - v0.weight - v1.weight; - }); - array.forEach(function (v) { - delete v._tmpIndex_; - }); + // backwards compat for now: also set the locale + // make sure we set the locale AFTER all child locales have been + // created, so we won't end up with the child locale set. + getSetGlobalLocale(name); + + + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + } + + function updateLocale(name, config) { + if (config != null) { + var locale, tmpLocale, parentConfig = baseConfig; + // MERGE + tmpLocale = loadLocale(name); + if (tmpLocale != null) { + parentConfig = tmpLocale._config; } - - /** - * @interface ILayoutItem - * @prop {String} position - The position of the item in the chart layout. Possible values are - * 'left', 'top', 'right', 'bottom', and 'chartArea' - * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area - * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down - * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) - * @prop {Function} update - Takes two parameters: width and height. Returns size of item - * @prop {Function} getPadding - Returns an object with padding on the edges - * @prop {Number} width - Width of item. Must be valid after update() - * @prop {Number} height - Height of item. Must be valid after update() - * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update - * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update - * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update - * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update - */ - - // The layout service is very self explanatory. It's responsible for the layout within a chart. - // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need - // It is this service's responsibility of carrying out that layout. - module.exports = { - defaults: {}, - - /** - * Register a box to a chart. - * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. - * @param {Chart} chart - the chart to use - * @param {ILayoutItem} item - the item to add to be layed out - */ - addBox: function (chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - - // initialize item with default values - item.fullWidth = item.fullWidth || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - - chart.boxes.push(item); - }, - - /** - * Remove a layoutItem from a chart - * @param {Chart} chart - the chart to remove the box from - * @param {Object} layoutItem - the item to remove from the layout - */ - removeBox: function (chart, layoutItem) { - var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - - /** - * Sets (or updates) options on the given `item`. - * @param {Chart} chart - the chart in which the item lives (or will be added to) - * @param {Object} item - the item to configure with the given options - * @param {Object} options - the new item options. - */ - configure: function (chart, item, options) { - var props = ['fullWidth', 'position', 'weight']; - var ilen = props.length; - var i = 0; - var prop; - - for (; i < ilen; ++i) { - prop = props[i]; - if (options.hasOwnProperty(prop)) { - item[prop] = options[prop]; - } - } - }, - - /** - * Fits boxes of the given chart into the given size by having each box measure itself - * then running a fitting algorithm - * @param {Chart} chart - the chart - * @param {Number} width - the width to fit into - * @param {Number} height - the height to fit into - */ - update: function (chart, width, height) { - if (!chart) { - return; - } - - var layoutOptions = chart.options.layout || {}; - var padding = helpers.options.toPadding(layoutOptions.padding); - var leftPadding = padding.left; - var rightPadding = padding.right; - var topPadding = padding.top; - var bottomPadding = padding.bottom; - - var leftBoxes = filterByPosition(chart.boxes, 'left'); - var rightBoxes = filterByPosition(chart.boxes, 'right'); - var topBoxes = filterByPosition(chart.boxes, 'top'); - var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); - var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); - - // Sort boxes by weight. A higher weight is further away from the chart area - sortByWeight(leftBoxes, true); - sortByWeight(rightBoxes, false); - sortByWeight(topBoxes, true); - sortByWeight(bottomBoxes, false); - - // Essentially we now have any number of boxes on each of the 4 sides. - // Our canvas looks like the following. - // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and - // B1 is the bottom axis - // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays - // These locations are single-box locations only, when trying to register a chartArea location that is already taken, - // an error will be thrown. - // - // |----------------------------------------------------| - // | T1 (Full Width) | - // |----------------------------------------------------| - // | | | T2 | | - // | |----|-------------------------------------|----| - // | | | C1 | | C2 | | - // | | |----| |----| | - // | | | | | - // | L1 | L2 | ChartArea (C0) | R1 | - // | | | | | - // | | |----| |----| | - // | | | C3 | | C4 | | - // | |----|-------------------------------------|----| - // | | | B1 | | - // |----------------------------------------------------| - // | B2 (Full Width) | - // |----------------------------------------------------| - // - // What we do to find the best sizing, we do the following - // 1. Determine the minimum size of the chart area. - // 2. Split the remaining width equally between each vertical axis - // 3. Split the remaining height equally between each horizontal axis - // 4. Give each layout the maximum size it can be. The layout will return it's minimum size - // 5. Adjust the sizes of each axis based on it's minimum reported size. - // 6. Refit each axis - // 7. Position each axis in the final location - // 8. Tell the chart the final location of the chart area - // 9. Tell any axes that overlay the chart area the positions of the chart area - - // Step 1 - var chartWidth = width - leftPadding - rightPadding; - var chartHeight = height - topPadding - bottomPadding; - var chartAreaWidth = chartWidth / 2; // min 50% - var chartAreaHeight = chartHeight / 2; // min 50% - - // Step 2 - var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length); - - // Step 3 - var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length); - - // Step 4 - var maxChartAreaWidth = chartWidth; - var maxChartAreaHeight = chartHeight; - var minBoxSizes = []; - - function getMinimumBoxSize(box) { - var minSize; - var isHorizontal = box.isHorizontal(); - - if (isHorizontal) { - minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight); - maxChartAreaHeight -= minSize.height; - } else { - minSize = box.update(verticalBoxWidth, maxChartAreaHeight); - maxChartAreaWidth -= minSize.width; - } - - minBoxSizes.push({ - horizontal: isHorizontal, - minSize: minSize, - box: box, - }); - } - - helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize); - - // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) - var maxHorizontalLeftPadding = 0; - var maxHorizontalRightPadding = 0; - var maxVerticalTopPadding = 0; - var maxVerticalBottomPadding = 0; - - helpers.each(topBoxes.concat(bottomBoxes), function (horizontalBox) { - if (horizontalBox.getPadding) { - var boxPadding = horizontalBox.getPadding(); - maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left); - maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right); - } - }); - - helpers.each(leftBoxes.concat(rightBoxes), function (verticalBox) { - if (verticalBox.getPadding) { - var boxPadding = verticalBox.getPadding(); - maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top); - maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom); - } - }); - - // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could - // be if the axes are drawn at their minimum sizes. - // Steps 5 & 6 - var totalLeftBoxesWidth = leftPadding; - var totalRightBoxesWidth = rightPadding; - var totalTopBoxesHeight = topPadding; - var totalBottomBoxesHeight = bottomPadding; - - // Function to fit a box - function fitBox(box) { - var minBoxSize = helpers.findNextWhere(minBoxSizes, function (minBox) { - return minBox.box === box; - }); - - if (minBoxSize) { - if (box.isHorizontal()) { - var scaleMargin = { - left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding), - right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding), - top: 0, - bottom: 0 - }; - - // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends - // on the margin. Sometimes they need to increase in size slightly - box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); - } else { - box.update(minBoxSize.minSize.width, maxChartAreaHeight); - } - } - } - - // Update, and calculate the left and right margins for the horizontal boxes - helpers.each(leftBoxes.concat(rightBoxes), fitBox); - - helpers.each(leftBoxes, function (box) { - totalLeftBoxesWidth += box.width; - }); - - helpers.each(rightBoxes, function (box) { - totalRightBoxesWidth += box.width; - }); - - // Set the Left and Right margins for the horizontal boxes - helpers.each(topBoxes.concat(bottomBoxes), fitBox); - - // Figure out how much margin is on the top and bottom of the vertical boxes - helpers.each(topBoxes, function (box) { - totalTopBoxesHeight += box.height; - }); - - helpers.each(bottomBoxes, function (box) { - totalBottomBoxesHeight += box.height; - }); - - function finalFitVerticalBox(box) { - var minBoxSize = helpers.findNextWhere(minBoxSizes, function (minSize) { - return minSize.box === box; - }); - - var scaleMargin = { - left: 0, - right: 0, - top: totalTopBoxesHeight, - bottom: totalBottomBoxesHeight - }; - - if (minBoxSize) { - box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin); - } - } - - // Let the left layout know the final margin - helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox); - - // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) - totalLeftBoxesWidth = leftPadding; - totalRightBoxesWidth = rightPadding; - totalTopBoxesHeight = topPadding; - totalBottomBoxesHeight = bottomPadding; - - helpers.each(leftBoxes, function (box) { - totalLeftBoxesWidth += box.width; - }); - - helpers.each(rightBoxes, function (box) { - totalRightBoxesWidth += box.width; - }); - - helpers.each(topBoxes, function (box) { - totalTopBoxesHeight += box.height; - }); - helpers.each(bottomBoxes, function (box) { - totalBottomBoxesHeight += box.height; - }); - - // We may be adding some padding to account for rotated x axis labels - var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0); - totalLeftBoxesWidth += leftPaddingAddition; - totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0); - - var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0); - totalTopBoxesHeight += topPaddingAddition; - totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0); - - // Figure out if our chart area changed. This would occur if the dataset layout label rotation - // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do - // without calling `fit` again - var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight; - var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth; - - if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { - helpers.each(leftBoxes, function (box) { - box.height = newMaxChartAreaHeight; - }); - - helpers.each(rightBoxes, function (box) { - box.height = newMaxChartAreaHeight; - }); - - helpers.each(topBoxes, function (box) { - if (!box.fullWidth) { - box.width = newMaxChartAreaWidth; - } - }); - - helpers.each(bottomBoxes, function (box) { - if (!box.fullWidth) { - box.width = newMaxChartAreaWidth; - } - }); - - maxChartAreaHeight = newMaxChartAreaHeight; - maxChartAreaWidth = newMaxChartAreaWidth; - } - - // Step 7 - Position the boxes - var left = leftPadding + leftPaddingAddition; - var top = topPadding + topPaddingAddition; - - function placeBox(box) { - if (box.isHorizontal()) { - box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth; - box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth; - box.top = top; - box.bottom = top + box.height; - - // Move to next point - top = box.bottom; - - } else { - - box.left = left; - box.right = left + box.width; - box.top = totalTopBoxesHeight; - box.bottom = totalTopBoxesHeight + maxChartAreaHeight; - - // Move to next point - left = box.right; - } - } - - helpers.each(leftBoxes.concat(topBoxes), placeBox); - - // Account for chart width and height - left += maxChartAreaWidth; - top += maxChartAreaHeight; - - helpers.each(rightBoxes, placeBox); - helpers.each(bottomBoxes, placeBox); - - // Step 8 - chart.chartArea = { - left: totalLeftBoxesWidth, - top: totalTopBoxesHeight, - right: totalLeftBoxesWidth + maxChartAreaWidth, - bottom: totalTopBoxesHeight + maxChartAreaHeight - }; - - // Step 9 - helpers.each(chartAreaBoxes, function (box) { - box.left = chart.chartArea.left; - box.top = chart.chartArea.top; - box.right = chart.chartArea.right; - box.bottom = chart.chartArea.bottom; - - box.update(maxChartAreaWidth, maxChartAreaHeight); - }); - } - }; - - }, { "45": 45 }], 31: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var helpers = require(45); - - defaults._set('global', { - plugins: {} - }); - - /** - * The plugin service singleton - * @namespace Chart.plugins - * @since 2.1.0 - */ - module.exports = { - /** - * Globally registered plugins. - * @private - */ - _plugins: [], - - /** - * This identifier is used to invalidate the descriptors cache attached to each chart - * when a global plugin is registered or unregistered. In this case, the cache ID is - * incremented and descriptors are regenerated during following API calls. - * @private - */ - _cacheId: 0, - - /** - * Registers the given plugin(s) if not already registered. - * @param {Array|Object} plugins plugin instance(s). - */ - register: function (plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function (plugin) { - if (p.indexOf(plugin) === -1) { - p.push(plugin); - } - }); - - this._cacheId++; - }, - - /** - * Unregisters the given plugin(s) only if registered. - * @param {Array|Object} plugins plugin instance(s). - */ - unregister: function (plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function (plugin) { - var idx = p.indexOf(plugin); - if (idx !== -1) { - p.splice(idx, 1); - } - }); - - this._cacheId++; - }, - - /** - * Remove all registered plugins. - * @since 2.1.5 - */ - clear: function () { - this._plugins = []; - this._cacheId++; - }, - - /** - * Returns the number of registered plugins? - * @returns {Number} - * @since 2.1.5 - */ - count: function () { - return this._plugins.length; - }, - - /** - * Returns all registered plugin instances. - * @returns {Array} array of plugin objects. - * @since 2.1.5 - */ - getAll: function () { - return this._plugins; - }, - - /** - * Calls enabled plugins for `chart` on the specified hook and with the given args. - * This method immediately returns as soon as a plugin explicitly returns false. The - * returned value can be used, for instance, to interrupt the current action. - * @param {Object} chart - The chart instance for which plugins should be called. - * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). - * @param {Array} [args] - Extra arguments to apply to the hook call. - * @returns {Boolean} false if any of the plugins return false, else returns true. - */ - notify: function (chart, hook, args) { - var descriptors = this.descriptors(chart); - var ilen = descriptors.length; - var i, descriptor, plugin, params, method; - - for (i = 0; i < ilen; ++i) { - descriptor = descriptors[i]; - plugin = descriptor.plugin; - method = plugin[hook]; - if (typeof method === 'function') { - params = [chart].concat(args || []); - params.push(descriptor.options); - if (method.apply(plugin, params) === false) { - return false; - } - } - } - - return true; - }, - - /** - * Returns descriptors of enabled plugins for the given chart. - * @returns {Array} [{ plugin, options }] - * @private - */ - descriptors: function (chart) { - var cache = chart.$plugins || (chart.$plugins = {}); - if (cache.id === this._cacheId) { - return cache.descriptors; - } - - var plugins = []; - var descriptors = []; - var config = (chart && chart.config) || {}; - var options = (config.options && config.options.plugins) || {}; - - this._plugins.concat(config.plugins || []).forEach(function (plugin) { - var idx = plugins.indexOf(plugin); - if (idx !== -1) { - return; - } - - var id = plugin.id; - var opts = options[id]; - if (opts === false) { - return; - } - - if (opts === true) { - opts = helpers.clone(defaults.global.plugins[id]); - } - - plugins.push(plugin); - descriptors.push({ - plugin: plugin, - options: opts || {} - }); - }); - - cache.descriptors = descriptors; - cache.id = this._cacheId; - return descriptors; - }, - - /** - * Invalidates cache for the given chart: descriptors hold a reference on plugin option, - * but in some cases, this reference can be changed by the user when updating options. - * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - * @private - */ - _invalidate: function (chart) { - delete chart.$plugins; - } - }; - - /** - * Plugin extension hooks. - * @interface IPlugin - * @since 2.1.0 - */ - /** - * @method IPlugin#beforeInit - * @desc Called before initializing `chart`. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#afterInit - * @desc Called after `chart` has been initialized and before the first update. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeUpdate - * @desc Called before updating `chart`. If any plugin returns `false`, the update - * is cancelled (and thus subsequent render(s)) until another `update` is triggered. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart update. - */ - /** - * @method IPlugin#afterUpdate - * @desc Called after `chart` has been updated and before rendering. Note that this - * hook will not be called if the chart update has been previously cancelled. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeDatasetsUpdate - * @desc Called before updating the `chart` datasets. If any plugin returns `false`, - * the datasets update is cancelled until another `update` is triggered. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - * @returns {Boolean} false to cancel the datasets update. - * @since version 2.1.5 - */ - /** - * @method IPlugin#afterDatasetsUpdate - * @desc Called after the `chart` datasets have been updated. Note that this hook - * will not be called if the datasets update has been previously cancelled. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - * @since version 2.1.5 - */ - /** - * @method IPlugin#beforeDatasetUpdate - * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin - * returns `false`, the datasets update is cancelled until another `update` is triggered. - * @param {Chart} chart - The chart instance. - * @param {Object} args - The call arguments. - * @param {Number} args.index - The dataset index. - * @param {Object} args.meta - The dataset metadata. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart datasets drawing. - */ - /** - * @method IPlugin#afterDatasetUpdate - * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note - * that this hook will not be called if the datasets update has been previously cancelled. - * @param {Chart} chart - The chart instance. - * @param {Object} args - The call arguments. - * @param {Number} args.index - The dataset index. - * @param {Object} args.meta - The dataset metadata. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeLayout - * @desc Called before laying out `chart`. If any plugin returns `false`, - * the layout update is cancelled until another `update` is triggered. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart layout. - */ - /** - * @method IPlugin#afterLayout - * @desc Called after the `chart` has been layed out. Note that this hook will not - * be called if the layout update has been previously cancelled. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeRender - * @desc Called before rendering `chart`. If any plugin returns `false`, - * the rendering is cancelled until another `render` is triggered. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart rendering. - */ - /** - * @method IPlugin#afterRender - * @desc Called after the `chart` has been fully rendered (and animation completed). Note - * that this hook will not be called if the rendering has been previously cancelled. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeDraw - * @desc Called before drawing `chart` at every animation frame specified by the given - * easing value. If any plugin returns `false`, the frame drawing is cancelled until - * another `render` is triggered. - * @param {Chart.Controller} chart - The chart instance. - * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart drawing. - */ - /** - * @method IPlugin#afterDraw - * @desc Called after the `chart` has been drawn for the specific easing value. Note - * that this hook will not be called if the drawing has been previously cancelled. - * @param {Chart.Controller} chart - The chart instance. - * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeDatasetsDraw - * @desc Called before drawing the `chart` datasets. If any plugin returns `false`, - * the datasets drawing is cancelled until another `render` is triggered. - * @param {Chart.Controller} chart - The chart instance. - * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart datasets drawing. - */ - /** - * @method IPlugin#afterDatasetsDraw - * @desc Called after the `chart` datasets have been drawn. Note that this hook - * will not be called if the datasets drawing has been previously cancelled. - * @param {Chart.Controller} chart - The chart instance. - * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeDatasetDraw - * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets - * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing - * is cancelled until another `render` is triggered. - * @param {Chart} chart - The chart instance. - * @param {Object} args - The call arguments. - * @param {Number} args.index - The dataset index. - * @param {Object} args.meta - The dataset metadata. - * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart datasets drawing. - */ - /** - * @method IPlugin#afterDatasetDraw - * @desc Called after the `chart` datasets at the given `args.index` have been drawn - * (datasets are drawn in the reverse order). Note that this hook will not be called - * if the datasets drawing has been previously cancelled. - * @param {Chart} chart - The chart instance. - * @param {Object} args - The call arguments. - * @param {Number} args.index - The dataset index. - * @param {Object} args.meta - The dataset metadata. - * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeTooltipDraw - * @desc Called before drawing the `tooltip`. If any plugin returns `false`, - * the tooltip drawing is cancelled until another `render` is triggered. - * @param {Chart} chart - The chart instance. - * @param {Object} args - The call arguments. - * @param {Object} args.tooltip - The tooltip. - * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - * @returns {Boolean} `false` to cancel the chart tooltip drawing. - */ - /** - * @method IPlugin#afterTooltipDraw - * @desc Called after drawing the `tooltip`. Note that this hook will not - * be called if the tooltip drawing has been previously cancelled. - * @param {Chart} chart - The chart instance. - * @param {Object} args - The call arguments. - * @param {Object} args.tooltip - The tooltip. - * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#beforeEvent - * @desc Called before processing the specified `event`. If any plugin returns `false`, - * the event will be discarded. - * @param {Chart.Controller} chart - The chart instance. - * @param {IEvent} event - The event object. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#afterEvent - * @desc Called after the `event` has been consumed. Note that this hook - * will not be called if the `event` has been previously discarded. - * @param {Chart.Controller} chart - The chart instance. - * @param {IEvent} event - The event object. - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#resize - * @desc Called after the chart as been resized. - * @param {Chart.Controller} chart - The chart instance. - * @param {Number} size - The new canvas display size (eq. canvas.style width & height). - * @param {Object} options - The plugin options. - */ - /** - * @method IPlugin#destroy - * @desc Called after the chart as been destroyed. - * @param {Chart.Controller} chart - The chart instance. - * @param {Object} options - The plugin options. - */ - - }, { "25": 25, "45": 45 }], 32: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - var Ticks = require(34); - - defaults._set('scale', { - display: true, - position: 'left', - offset: false, - - // grid line settings - gridLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickMarkLength: 10, - zeroLineWidth: 1, - zeroLineColor: 'rgba(0,0,0,0.25)', - zeroLineBorderDash: [], - zeroLineBorderDashOffset: 0.0, - offsetGridLines: false, - borderDash: [], - borderDashOffset: 0.0 - }, - - // scale label - scaleLabel: { - // display property - display: false, - - // actual label - labelString: '', - - // line height - lineHeight: 1.2, - - // top/bottom padding - padding: { - top: 4, - bottom: 4 - } - }, - - // label settings - ticks: { - beginAtZero: false, - minRotation: 0, - maxRotation: 50, - mirror: false, - padding: 0, - reverse: false, - display: true, - autoSkip: true, - autoSkipPadding: 0, - labelOffset: 0, - // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. - callback: Ticks.formatters.values, - minor: {}, - major: {} - } - }); - - function labelsFromTicks(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(ticks[i].label); - } - - return labels; - } - - function getLineValue(scale, index, offsetGridLines) { - var lineValue = scale.getPixelForTick(index); - - if (offsetGridLines) { - if (index === 0) { - lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; - } else { - lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; - } - } - return lineValue; - } - - module.exports = function (Chart) { - - function computeTextSize(context, tick, font) { - return helpers.isArray(tick) ? - helpers.longestText(context, font, tick) : - context.measureText(tick).width; - } - - function parseFontOptions(options) { - var valueOrDefault = helpers.valueOrDefault; - var globalDefaults = defaults.global; - var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); - var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle); - var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily); - - return { - size: size, - style: style, - family: family, - font: helpers.fontString(size, style, family) - }; - } - - function parseLineHeight(options) { - return helpers.options.toLineHeight( - helpers.valueOrDefault(options.lineHeight, 1.2), - helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize)); - } - - Chart.Scale = Element.extend({ - /** - * Get the padding needed for the scale - * @method getPadding - * @private - * @returns {Padding} the necessary padding - */ - getPadding: function () { - var me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - }, - - /** - * Returns the scale tick objects ({label, major}) - * @since 2.7 - */ - getTicks: function () { - return this._ticks; - }, - - // These methods are ordered by lifecyle. Utilities then follow. - // Any function defined here is inherited by all scale types. - // Any function can be extended by the scale type - - mergeTicksOptions: function () { - var ticks = this.options.ticks; - if (ticks.minor === false) { - ticks.minor = { - display: false - }; - } - if (ticks.major === false) { - ticks.major = { - display: false - }; - } - for (var key in ticks) { - if (key !== 'major' && key !== 'minor') { - if (typeof ticks.minor[key] === 'undefined') { - ticks.minor[key] = ticks[key]; - } - if (typeof ticks.major[key] === 'undefined') { - ticks.major[key] = ticks[key]; - } - } - } - }, - beforeUpdate: function () { - helpers.callback(this.options.beforeUpdate, [this]); - }, - update: function (maxWidth, maxHeight, margins) { - var me = this; - var i, ilen, labels, label, ticks, tick; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = helpers.extend({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - me.longestTextCache = me.longestTextCache || {}; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - - // Data min/max - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - - // Ticks - `this.ticks` is now DEPRECATED! - // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member - // and must not be accessed directly from outside this class. `this.ticks` being - // around for long time and not marked as private, we can't change its structure - // without unexpected breaking changes. If you need to access the scale ticks, - // use scale.getTicks() instead. - - me.beforeBuildTicks(); - - // New implementations should return an array of objects but for BACKWARD COMPAT, - // we still support no return (`this.ticks` internally set by calling this method). - ticks = me.buildTicks() || []; - - me.afterBuildTicks(); - - me.beforeTickToLabelConversion(); - - // New implementations should return the formatted tick labels but for BACKWARD - // COMPAT, we still support no return (`this.ticks` internally changed by calling - // this method and supposed to contain only string values). - labels = me.convertTicksToLabels(ticks) || me.ticks; - - me.afterTickToLabelConversion(); - - me.ticks = labels; // BACKWARD COMPATIBILITY - - // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! - - // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) - for (i = 0, ilen = labels.length; i < ilen; ++i) { - label = labels[i]; - tick = ticks[i]; - if (!tick) { - ticks.push(tick = { - label: label, - major: false - }); - } else { - tick.label = label; - } - } - - me._ticks = ticks; - - // Tick Rotation - me.beforeCalculateTickRotation(); - me.calculateTickRotation(); - me.afterCalculateTickRotation(); - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: function () { - helpers.callback(this.options.afterUpdate, [this]); - }, - - // - - beforeSetDimensions: function () { - helpers.callback(this.options.beforeSetDimensions, [this]); - }, - setDimensions: function () { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - }, - afterSetDimensions: function () { - helpers.callback(this.options.afterSetDimensions, [this]); - }, - - // Data limits - beforeDataLimits: function () { - helpers.callback(this.options.beforeDataLimits, [this]); - }, - determineDataLimits: helpers.noop, - afterDataLimits: function () { - helpers.callback(this.options.afterDataLimits, [this]); - }, - - // - beforeBuildTicks: function () { - helpers.callback(this.options.beforeBuildTicks, [this]); - }, - buildTicks: helpers.noop, - afterBuildTicks: function () { - helpers.callback(this.options.afterBuildTicks, [this]); - }, - - beforeTickToLabelConversion: function () { - helpers.callback(this.options.beforeTickToLabelConversion, [this]); - }, - convertTicksToLabels: function () { - var me = this; - // Convert ticks to strings - var tickOpts = me.options.ticks; - me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); - }, - afterTickToLabelConversion: function () { - helpers.callback(this.options.afterTickToLabelConversion, [this]); - }, - - // - - beforeCalculateTickRotation: function () { - helpers.callback(this.options.beforeCalculateTickRotation, [this]); - }, - calculateTickRotation: function () { - var me = this; - var context = me.ctx; - var tickOpts = me.options.ticks; - var labels = labelsFromTicks(me._ticks); - - // Get the width of each grid by calculating the difference - // between x offsets between 0 and 1. - var tickFont = parseFontOptions(tickOpts); - context.font = tickFont.font; - - var labelRotation = tickOpts.minRotation || 0; - - if (labels.length && me.options.display && me.isHorizontal()) { - var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache); - var labelWidth = originalLabelWidth; - var cosRotation, sinRotation; - - // Allow 3 pixels x2 padding either side for label readability - var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; - - // Max label rotation can be set or default to 90 - also act as a loop counter - while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { - var angleRadians = helpers.toRadians(labelRotation); - cosRotation = Math.cos(angleRadians); - sinRotation = Math.sin(angleRadians); - - if (sinRotation * originalLabelWidth > me.maxHeight) { - // go back one step - labelRotation--; - break; - } - - labelRotation++; - labelWidth = cosRotation * originalLabelWidth; - } - } - - me.labelRotation = labelRotation; - }, - afterCalculateTickRotation: function () { - helpers.callback(this.options.afterCalculateTickRotation, [this]); - }, - - // - - beforeFit: function () { - helpers.callback(this.options.beforeFit, [this]); - }, - fit: function () { - var me = this; - // Reset - var minSize = me.minSize = { - width: 0, - height: 0 - }; - - var labels = labelsFromTicks(me._ticks); - - var opts = me.options; - var tickOpts = opts.ticks; - var scaleLabelOpts = opts.scaleLabel; - var gridLineOpts = opts.gridLines; - var display = opts.display; - var isHorizontal = me.isHorizontal(); - - var tickFont = parseFontOptions(tickOpts); - var tickMarkLength = opts.gridLines.tickMarkLength; - - // Width - if (isHorizontal) { - // subtract the margins to line up with the chartArea if we are a full width scale - minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; - } else { - minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } - - // height - if (isHorizontal) { - minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } else { - minSize.height = me.maxHeight; // fill all the height - } - - // Are we showing a title for the scale? - if (scaleLabelOpts.display && display) { - var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts); - var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding); - var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height; - - if (isHorizontal) { - minSize.height += deltaHeight; - } else { - minSize.width += deltaHeight; - } - } - - // Don't bother fitting the ticks if we are not showing them - if (tickOpts.display && display) { - var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache); - var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels); - var lineSpace = tickFont.size * 0.5; - var tickPadding = me.options.ticks.padding; - - if (isHorizontal) { - // A horizontal axis is more constrained by the height. - me.longestLabelWidth = largestTextWidth; - - var angleRadians = helpers.toRadians(me.labelRotation); - var cosRotation = Math.cos(angleRadians); - var sinRotation = Math.sin(angleRadians); - - // TODO - improve this calculation - var labelHeight = (sinRotation * largestTextWidth) - + (tickFont.size * tallestLabelHeightInLines) - + (lineSpace * (tallestLabelHeightInLines - 1)) - + lineSpace; // padding - - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - - me.ctx.font = tickFont.font; - var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font); - var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font); - - // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned - // which means that the right padding is dominated by the font height - if (me.labelRotation !== 0) { - me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges - me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3; - } else { - me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges - me.paddingRight = lastLabelWidth / 2 + 3; - } - } else { - // A vertical axis is more constrained by the width. Labels are the - // dominant factor here, so get that length first and account for padding - if (tickOpts.mirror) { - largestTextWidth = 0; - } else { - // use lineSpace for consistency with horizontal axis - // tickPadding is not implemented for horizontal - largestTextWidth += tickPadding + lineSpace; - } - - minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); - - me.paddingTop = tickFont.size / 2; - me.paddingBottom = tickFont.size / 2; - } - } - - me.handleMargins(); - - me.width = minSize.width; - me.height = minSize.height; - }, - - /** - * Handle margins and padding interactions - * @private - */ - handleMargins: function () { - var me = this; - if (me.margins) { - me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); - me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); - me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); - me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); - } - }, - - afterFit: function () { - helpers.callback(this.options.afterFit, [this]); - }, - - // Shared Methods - isHorizontal: function () { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - isFullWidth: function () { - return (this.options.fullWidth); - }, - - // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not - getRightValue: function (rawValue) { - // Null and undefined values first - if (helpers.isNullOrUndef(rawValue)) { - return NaN; - } - // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values - if (typeof rawValue === 'number' && !isFinite(rawValue)) { - return NaN; - } - // If it is in fact an object, dive in one more level - if (rawValue) { - if (this.isHorizontal()) { - if (rawValue.x !== undefined) { - return this.getRightValue(rawValue.x); - } - } else if (rawValue.y !== undefined) { - return this.getRightValue(rawValue.y); - } - } - - // Value is good, return it - return rawValue; - }, - - /** - * Used to get the value to display in the tooltip for the data at the given index - * @param index - * @param datasetIndex - */ - getLabelForIndex: helpers.noop, - - /** - * Returns the location of the given data point. Value can either be an index or a numerical value - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param value - * @param index - * @param datasetIndex - */ - getPixelForValue: helpers.noop, - - /** - * Used to get the data value from a given pixel. This is the inverse of getPixelForValue - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param pixel - */ - getValueForPixel: helpers.noop, - - /** - * Returns the location of the tick at the given index - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForTick: function (index) { - var me = this; - var offset = me.options.offset; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var pixel = (tickWidth * index) + me.paddingLeft; - - if (offset) { - pixel += tickWidth / 2; - } - - var finalVal = me.left + Math.round(pixel); - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - var innerHeight = me.height - (me.paddingTop + me.paddingBottom); - return me.top + (index * (innerHeight / (me._ticks.length - 1))); - }, - - /** - * Utility for getting the pixel location of a percentage of scale - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForDecimal: function (decimal) { - var me = this; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var valueOffset = (innerWidth * decimal) + me.paddingLeft; - - var finalVal = me.left + Math.round(valueOffset); - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - return me.top + (decimal * me.height); - }, - - /** - * Returns the pixel for the minimum chart value - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getBasePixel: function () { - return this.getPixelForValue(this.getBaseValue()); - }, - - getBaseValue: function () { - var me = this; - var min = me.min; - var max = me.max; - - return me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - }, - - /** - * Returns a subset of ticks to be plotted to avoid overlapping labels. - * @private - */ - _autoSkip: function (ticks) { - var skipRatio; - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - var tickCount = ticks.length; - var labelRotationRadians = helpers.toRadians(me.labelRotation); - var cosRotation = Math.cos(labelRotationRadians); - var longestRotatedLabel = me.longestLabelWidth * cosRotation; - var result = []; - var i, tick, shouldSkip; - - // figure out the maximum number of gridlines to show - var maxTicks; - if (optionTicks.maxTicksLimit) { - maxTicks = optionTicks.maxTicksLimit; - } - - if (isHorizontal) { - skipRatio = false; - - if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) { - skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight))); - } - - // if they defined a max number of optionTicks, - // increase skipRatio until that number is met - if (maxTicks && tickCount > maxTicks) { - skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks)); - } - } - - for (i = 0; i < tickCount; i++) { - tick = ticks[i]; - - // Since we always show the last tick,we need may need to hide the last shown one before - shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount); - if (shouldSkip && i !== tickCount - 1) { - // leave tick in place but make sure it's not displayed (#4635) - delete tick.label; - } - result.push(tick); - } - return result; - }, - - // Actually draw the scale on the canvas - // @param {rectangle} chartArea : the area of the chart to draw full grid lines on - draw: function (chartArea) { - var me = this; - var options = me.options; - if (!options.display) { - return; - } - - var context = me.ctx; - var globalDefaults = defaults.global; - var optionTicks = options.ticks.minor; - var optionMajorTicks = options.ticks.major || optionTicks; - var gridLines = options.gridLines; - var scaleLabel = options.scaleLabel; - - var isRotated = me.labelRotation !== 0; - var isHorizontal = me.isHorizontal(); - - var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); - var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor); - var tickFont = parseFontOptions(optionTicks); - var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor); - var majorTickFont = parseFontOptions(optionMajorTicks); - - var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; - - var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor); - var scaleLabelFont = parseFontOptions(scaleLabel); - var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding); - var labelRotationRadians = helpers.toRadians(me.labelRotation); - - var itemsToDraw = []; - - var axisWidth = me.options.gridLines.lineWidth; - var xTickStart = options.position === 'right' ? me.right : me.right - axisWidth - tl; - var xTickEnd = options.position === 'right' ? me.right + tl : me.right; - var yTickStart = options.position === 'bottom' ? me.top + axisWidth : me.bottom - tl - axisWidth; - var yTickEnd = options.position === 'bottom' ? me.top + axisWidth + tl : me.bottom + axisWidth; - - helpers.each(ticks, function (tick, index) { - // autoskipper skipped this tick (#4635) - if (helpers.isNullOrUndef(tick.label)) { - return; - } - - var label = tick.label; - var lineWidth, lineColor, borderDash, borderDashOffset; - if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { - // Draw the first index specially - lineWidth = gridLines.zeroLineWidth; - lineColor = gridLines.zeroLineColor; - borderDash = gridLines.zeroLineBorderDash; - borderDashOffset = gridLines.zeroLineBorderDashOffset; - } else { - lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index); - lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index); - borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash); - borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset); - } - - // Common properties - var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY; - var textAlign = 'middle'; - var textBaseline = 'middle'; - var tickPadding = optionTicks.padding; - - if (isHorizontal) { - var labelYOffset = tl + tickPadding; - - if (options.position === 'bottom') { - // bottom - textBaseline = !isRotated ? 'top' : 'middle'; - textAlign = !isRotated ? 'center' : 'right'; - labelY = me.top + labelYOffset; - } else { - // top - textBaseline = !isRotated ? 'bottom' : 'middle'; - textAlign = !isRotated ? 'center' : 'left'; - labelY = me.bottom - labelYOffset; - } - - var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1); - if (xLineValue < me.left) { - lineColor = 'rgba(0,0,0,0)'; - } - xLineValue += helpers.aliasPixel(lineWidth); - - labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option) - - tx1 = tx2 = x1 = x2 = xLineValue; - ty1 = yTickStart; - ty2 = yTickEnd; - y1 = chartArea.top; - y2 = chartArea.bottom + axisWidth; - } else { - var isLeft = options.position === 'left'; - var labelXOffset; - - if (optionTicks.mirror) { - textAlign = isLeft ? 'left' : 'right'; - labelXOffset = tickPadding; - } else { - textAlign = isLeft ? 'right' : 'left'; - labelXOffset = tl + tickPadding; - } - - labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset; - - var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1); - if (yLineValue < me.top) { - lineColor = 'rgba(0,0,0,0)'; - } - yLineValue += helpers.aliasPixel(lineWidth); - - labelY = me.getPixelForTick(index) + optionTicks.labelOffset; - - tx1 = xTickStart; - tx2 = xTickEnd; - x1 = chartArea.left; - x2 = chartArea.right + axisWidth; - ty1 = ty2 = y1 = y2 = yLineValue; - } - - itemsToDraw.push({ - tx1: tx1, - ty1: ty1, - tx2: tx2, - ty2: ty2, - x1: x1, - y1: y1, - x2: x2, - y2: y2, - labelX: labelX, - labelY: labelY, - glWidth: lineWidth, - glColor: lineColor, - glBorderDash: borderDash, - glBorderDashOffset: borderDashOffset, - rotation: -1 * labelRotationRadians, - label: label, - major: tick.major, - textBaseline: textBaseline, - textAlign: textAlign - }); - }); - - // Draw all of the tick labels, tick marks, and grid lines at the correct places - helpers.each(itemsToDraw, function (itemToDraw) { - if (gridLines.display) { - context.save(); - context.lineWidth = itemToDraw.glWidth; - context.strokeStyle = itemToDraw.glColor; - if (context.setLineDash) { - context.setLineDash(itemToDraw.glBorderDash); - context.lineDashOffset = itemToDraw.glBorderDashOffset; - } - - context.beginPath(); - - if (gridLines.drawTicks) { - context.moveTo(itemToDraw.tx1, itemToDraw.ty1); - context.lineTo(itemToDraw.tx2, itemToDraw.ty2); - } - - if (gridLines.drawOnChartArea) { - context.moveTo(itemToDraw.x1, itemToDraw.y1); - context.lineTo(itemToDraw.x2, itemToDraw.y2); - } - - context.stroke(); - context.restore(); - } - - if (optionTicks.display) { - // Make sure we draw text in the correct color and font - context.save(); - context.translate(itemToDraw.labelX, itemToDraw.labelY); - context.rotate(itemToDraw.rotation); - context.font = itemToDraw.major ? majorTickFont.font : tickFont.font; - context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; - context.textBaseline = itemToDraw.textBaseline; - context.textAlign = itemToDraw.textAlign; - - var label = itemToDraw.label; - if (helpers.isArray(label)) { - var lineCount = label.length; - var lineHeight = tickFont.size * 1.5; - var y = me.isHorizontal() ? 0 : -lineHeight * (lineCount - 1) / 2; - - for (var i = 0; i < lineCount; ++i) { - // We just make sure the multiline element is a string here.. - context.fillText('' + label[i], 0, y); - // apply same lineSpacing as calculated @ L#320 - y += lineHeight; - } - } else { - context.fillText(label, 0, 0); - } - context.restore(); - } - }); - - if (scaleLabel.display) { - // Draw the scale label - var scaleLabelX; - var scaleLabelY; - var rotation = 0; - var halfLineHeight = parseLineHeight(scaleLabel) / 2; - - if (isHorizontal) { - scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width - scaleLabelY = options.position === 'bottom' - ? me.bottom - halfLineHeight - scaleLabelPadding.bottom - : me.top + halfLineHeight + scaleLabelPadding.top; - } else { - var isLeft = options.position === 'left'; - scaleLabelX = isLeft - ? me.left + halfLineHeight + scaleLabelPadding.top - : me.right - halfLineHeight - scaleLabelPadding.top; - scaleLabelY = me.top + ((me.bottom - me.top) / 2); - rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; - } - - context.save(); - context.translate(scaleLabelX, scaleLabelY); - context.rotate(rotation); - context.textAlign = 'center'; - context.textBaseline = 'middle'; - context.fillStyle = scaleLabelFontColor; // render in correct colour - context.font = scaleLabelFont.font; - context.fillText(scaleLabel.labelString, 0, 0); - context.restore(); - } - - if (gridLines.drawBorder) { - // Draw the line at the edge of the axis - context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0); - context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0); - var x1 = me.left; - var x2 = me.right + axisWidth; - var y1 = me.top; - var y2 = me.bottom + axisWidth; - - var aliasPixel = helpers.aliasPixel(context.lineWidth); - if (isHorizontal) { - y1 = y2 = options.position === 'top' ? me.bottom : me.top; - y1 += aliasPixel; - y2 += aliasPixel; - } else { - x1 = x2 = options.position === 'left' ? me.right : me.left; - x1 += aliasPixel; - x2 += aliasPixel; - } - - context.beginPath(); - context.moveTo(x1, y1); - context.lineTo(x2, y2); - context.stroke(); - } - } - }); - }; - - }, { "25": 25, "26": 26, "34": 34, "45": 45 }], 33: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var helpers = require(45); - var layouts = require(30); - - module.exports = function (Chart) { - - Chart.scaleService = { - // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then - // use the new chart options to grab the correct scale - constructors: {}, - // Use a registration function so that we can move to an ES6 map when we no longer need to support - // old browsers - - // Scale config defaults - defaults: {}, - registerScaleType: function (type, scaleConstructor, scaleDefaults) { - this.constructors[type] = scaleConstructor; - this.defaults[type] = helpers.clone(scaleDefaults); - }, - getScaleConstructor: function (type) { - return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; - }, - getScaleDefaults: function (type) { - // Return the scale defaults merged with the global settings so that we always use the latest ones - return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {}; - }, - updateScaleDefaults: function (type, additions) { - var me = this; - if (me.defaults.hasOwnProperty(type)) { - me.defaults[type] = helpers.extend(me.defaults[type], additions); - } - }, - addScalesToLayout: function (chart) { - // Adds each scale to the chart.boxes array to be sized accordingly - helpers.each(chart.scales, function (scale) { - // Set ILayoutItem parameters for backwards compatibility - scale.fullWidth = scale.options.fullWidth; - scale.position = scale.options.position; - scale.weight = scale.options.weight; - layouts.addBox(chart, scale); - }); - } - }; - }; - - }, { "25": 25, "30": 30, "45": 45 }], 34: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - - /** - * Namespace to hold static tick generation functions - * @namespace Chart.Ticks - */ - module.exports = { - /** - * Namespace to hold formatters for different types of ticks - * @namespace Chart.Ticks.formatters - */ - formatters: { - /** - * Formatter for value labels - * @method Chart.Ticks.formatters.values - * @param value the value to display - * @return {String|Array} the label to display - */ - values: function (value) { - return helpers.isArray(value) ? value : '' + value; - }, - - /** - * Formatter for linear numeric ticks - * @method Chart.Ticks.formatters.linear - * @param tickValue {Number} the value to be formatted - * @param index {Number} the position of the tickValue parameter in the ticks array - * @param ticks {Array} the list of ticks being converted - * @return {String} string representation of the tickValue parameter - */ - linear: function (tickValue, index, ticks) { - // If we have lots of ticks, don't use the ones - var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; - - // If we have a number like 2.5 as the delta, figure out how many decimal places we need - if (Math.abs(delta) > 1) { - if (tickValue !== Math.floor(tickValue)) { - // not an integer - delta = tickValue - Math.floor(tickValue); - } - } - - var logDelta = helpers.log10(Math.abs(delta)); - var tickString = ''; - - if (tickValue !== 0) { - var numDecimal = -1 * Math.floor(logDelta); - numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places - tickString = tickValue.toFixed(numDecimal); - } else { - tickString = '0'; // never show decimal places for 0 - } - - return tickString; - }, - - logarithmic: function (tickValue, index, ticks) { - var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue)))); - - if (tickValue === 0) { - return '0'; - } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { - return tickValue.toExponential(); - } - return ''; - } - } - }; - - }, { "45": 45 }], 35: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - - defaults._set('global', { - tooltips: { - enabled: true, - custom: null, - mode: 'nearest', - position: 'average', - intersect: true, - backgroundColor: 'rgba(0,0,0,0.8)', - titleFontStyle: 'bold', - titleSpacing: 2, - titleMarginBottom: 6, - titleFontColor: '#fff', - titleAlign: 'left', - bodySpacing: 2, - bodyFontColor: '#fff', - bodyAlign: 'left', - footerFontStyle: 'bold', - footerSpacing: 2, - footerMarginTop: 6, - footerFontColor: '#fff', - footerAlign: 'left', - yPadding: 6, - xPadding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - callbacks: { - // Args are: (tooltipItems, data) - beforeTitle: helpers.noop, - title: function (tooltipItems, data) { - // Pick first xLabel for now - var title = ''; - var labels = data.labels; - var labelCount = labels ? labels.length : 0; - - if (tooltipItems.length > 0) { - var item = tooltipItems[0]; - - if (item.xLabel) { - title = item.xLabel; - } else if (labelCount > 0 && item.index < labelCount) { - title = labels[item.index]; - } - } - - return title; - }, - afterTitle: helpers.noop, - - // Args are: (tooltipItems, data) - beforeBody: helpers.noop, - - // Args are: (tooltipItem, data) - beforeLabel: helpers.noop, - label: function (tooltipItem, data) { - var label = data.datasets[tooltipItem.datasetIndex].label || ''; - - if (label) { - label += ': '; - } - label += tooltipItem.yLabel; - return label; - }, - labelColor: function (tooltipItem, chart) { - var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); - var activeElement = meta.data[tooltipItem.index]; - var view = activeElement._view; - return { - borderColor: view.borderColor, - backgroundColor: view.backgroundColor - }; - }, - labelTextColor: function () { - return this._options.bodyFontColor; - }, - afterLabel: helpers.noop, - - // Args are: (tooltipItems, data) - afterBody: helpers.noop, - - // Args are: (tooltipItems, data) - beforeFooter: helpers.noop, - footer: helpers.noop, - afterFooter: helpers.noop - } - } - }); - - module.exports = function (Chart) { - - /** - * Helper method to merge the opacity into a color - */ - function mergeOpacity(colorString, opacity) { - var color = helpers.color(colorString); - return color.alpha(opacity * color.alpha()).rgbaString(); - } - - // Helper to push or concat based on if the 2nd parameter is an array or not - function pushOrConcat(base, toPush) { - if (toPush) { - if (helpers.isArray(toPush)) { - // base = base.concat(toPush); - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - - return base; - } - - // Private helper to create a tooltip item model - // @param element : the chart element (point, arc, bar) to create the tooltip item for - // @return : new tooltip item - function createTooltipItem(element) { - var xScale = element._xScale; - var yScale = element._yScale || element._scale; // handle radar || polarArea charts - var index = element._index; - var datasetIndex = element._datasetIndex; - - return { - xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', - yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', - index: index, - datasetIndex: datasetIndex, - x: element._model.x, - y: element._model.y - }; - } - - /** - * Helper to get the reset model for the tooltip - * @param tooltipOpts {Object} the tooltip options - */ - function getBaseModel(tooltipOpts) { - var globalDefaults = defaults.global; - var valueOrDefault = helpers.valueOrDefault; - - return { - // Positioning - xPadding: tooltipOpts.xPadding, - yPadding: tooltipOpts.yPadding, - xAlign: tooltipOpts.xAlign, - yAlign: tooltipOpts.yAlign, - - // Body - bodyFontColor: tooltipOpts.bodyFontColor, - _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), - _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), - _bodyAlign: tooltipOpts.bodyAlign, - bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), - bodySpacing: tooltipOpts.bodySpacing, - - // Title - titleFontColor: tooltipOpts.titleFontColor, - _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), - _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), - titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), - _titleAlign: tooltipOpts.titleAlign, - titleSpacing: tooltipOpts.titleSpacing, - titleMarginBottom: tooltipOpts.titleMarginBottom, - - // Footer - footerFontColor: tooltipOpts.footerFontColor, - _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), - _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), - footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), - _footerAlign: tooltipOpts.footerAlign, - footerSpacing: tooltipOpts.footerSpacing, - footerMarginTop: tooltipOpts.footerMarginTop, - - // Appearance - caretSize: tooltipOpts.caretSize, - cornerRadius: tooltipOpts.cornerRadius, - backgroundColor: tooltipOpts.backgroundColor, - opacity: 0, - legendColorBackground: tooltipOpts.multiKeyBackground, - displayColors: tooltipOpts.displayColors, - borderColor: tooltipOpts.borderColor, - borderWidth: tooltipOpts.borderWidth - }; - } - - /** - * Get the size of the tooltip - */ - function getTooltipSize(tooltip, model) { - var ctx = tooltip._chart.ctx; - - var height = model.yPadding * 2; // Tooltip Padding - var width = 0; - - // Count of all lines in the body - var body = model.body; - var combinedBodyLength = body.reduce(function (count, bodyItem) { - return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; - }, 0); - combinedBodyLength += model.beforeBody.length + model.afterBody.length; - - var titleLineCount = model.title.length; - var footerLineCount = model.footer.length; - var titleFontSize = model.titleFontSize; - var bodyFontSize = model.bodyFontSize; - var footerFontSize = model.footerFontSize; - - height += titleLineCount * titleFontSize; // Title Lines - height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing - height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin - height += combinedBodyLength * bodyFontSize; // Body Lines - height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing - height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin - height += footerLineCount * (footerFontSize); // Footer Lines - height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing - - // Title width - var widthPadding = 0; - var maxLineWidth = function (line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - - ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); - helpers.each(model.title, maxLineWidth); - - // Body width - ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); - helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth); - - // Body lines may include some extra width due to the color box - widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; - helpers.each(body, function (bodyItem) { - helpers.each(bodyItem.before, maxLineWidth); - helpers.each(bodyItem.lines, maxLineWidth); - helpers.each(bodyItem.after, maxLineWidth); - }); - - // Reset back to 0 - widthPadding = 0; - - // Footer width - ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); - helpers.each(model.footer, maxLineWidth); - - // Add padding - width += 2 * model.xPadding; - - return { - width: width, - height: height - }; - } - - /** - * Helper to get the alignment of a tooltip given the size - */ - function determineAlignment(tooltip, size) { - var model = tooltip._model; - var chart = tooltip._chart; - var chartArea = tooltip._chart.chartArea; - var xAlign = 'center'; - var yAlign = 'center'; - - if (model.y < size.height) { - yAlign = 'top'; - } else if (model.y > (chart.height - size.height)) { - yAlign = 'bottom'; - } - - var lf, rf; // functions to determine left, right alignment - var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart - var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges - var midX = (chartArea.left + chartArea.right) / 2; - var midY = (chartArea.top + chartArea.bottom) / 2; - - if (yAlign === 'center') { - lf = function (x) { - return x <= midX; - }; - rf = function (x) { - return x > midX; - }; - } else { - lf = function (x) { - return x <= (size.width / 2); - }; - rf = function (x) { - return x >= (chart.width - (size.width / 2)); - }; - } - - olf = function (x) { - return x + size.width + model.caretSize + model.caretPadding > chart.width; - }; - orf = function (x) { - return x - size.width - model.caretSize - model.caretPadding < 0; - }; - yf = function (y) { - return y <= midY ? 'top' : 'bottom'; - }; - - if (lf(model.x)) { - xAlign = 'left'; - - // Is tooltip too wide and goes over the right side of the chart.? - if (olf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } else if (rf(model.x)) { - xAlign = 'right'; - - // Is tooltip too wide and goes outside left edge of canvas? - if (orf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } - - var opts = tooltip._options; - return { - xAlign: opts.xAlign ? opts.xAlign : xAlign, - yAlign: opts.yAlign ? opts.yAlign : yAlign - }; - } - - /** - * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment - */ - function getBackgroundPoint(vm, size, alignment, chart) { - // Background Position - var x = vm.x; - var y = vm.y; - - var caretSize = vm.caretSize; - var caretPadding = vm.caretPadding; - var cornerRadius = vm.cornerRadius; - var xAlign = alignment.xAlign; - var yAlign = alignment.yAlign; - var paddingAndSize = caretSize + caretPadding; - var radiusAndPadding = cornerRadius + caretPadding; - - if (xAlign === 'right') { - x -= size.width; - } else if (xAlign === 'center') { - x -= (size.width / 2); - if (x + size.width > chart.width) { - x = chart.width - size.width; - } - if (x < 0) { - x = 0; - } - } - - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= size.height + paddingAndSize; - } else { - y -= (size.height / 2); - } - - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - - return { - x: x, - y: y - }; - } - - Chart.Tooltip = Element.extend({ - initialize: function () { - this._model = getBaseModel(this._options); - this._lastActive = []; - }, - - // Get the title - // Args are: (tooltipItem, data) - getTitle: function () { - var me = this; - var opts = me._options; - var callbacks = opts.callbacks; - - var beforeTitle = callbacks.beforeTitle.apply(me, arguments); - var title = callbacks.title.apply(me, arguments); - var afterTitle = callbacks.afterTitle.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, beforeTitle); - lines = pushOrConcat(lines, title); - lines = pushOrConcat(lines, afterTitle); - - return lines; - }, - - // Args are: (tooltipItem, data) - getBeforeBody: function () { - var lines = this._options.callbacks.beforeBody.apply(this, arguments); - return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; - }, - - // Args are: (tooltipItem, data) - getBody: function (tooltipItems, data) { - var me = this; - var callbacks = me._options.callbacks; - var bodyItems = []; - - helpers.each(tooltipItems, function (tooltipItem) { - var bodyItem = { - before: [], - lines: [], - after: [] - }; - pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data)); - - bodyItems.push(bodyItem); - }); - - return bodyItems; - }, - - // Args are: (tooltipItem, data) - getAfterBody: function () { - var lines = this._options.callbacks.afterBody.apply(this, arguments); - return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; - }, - - // Get the footer and beforeFooter and afterFooter lines - // Args are: (tooltipItem, data) - getFooter: function () { - var me = this; - var callbacks = me._options.callbacks; - - var beforeFooter = callbacks.beforeFooter.apply(me, arguments); - var footer = callbacks.footer.apply(me, arguments); - var afterFooter = callbacks.afterFooter.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, beforeFooter); - lines = pushOrConcat(lines, footer); - lines = pushOrConcat(lines, afterFooter); - - return lines; - }, - - update: function (changed) { - var me = this; - var opts = me._options; - - // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition - // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time - // which breaks any animations. - var existingModel = me._model; - var model = me._model = getBaseModel(opts); - var active = me._active; - - var data = me._data; - - // In the case where active.length === 0 we need to keep these at existing values for good animations - var alignment = { - xAlign: existingModel.xAlign, - yAlign: existingModel.yAlign - }; - var backgroundPoint = { - x: existingModel.x, - y: existingModel.y - }; - var tooltipSize = { - width: existingModel.width, - height: existingModel.height - }; - var tooltipPosition = { - x: existingModel.caretX, - y: existingModel.caretY - }; - - var i, len; - - if (active.length) { - model.opacity = 1; - - var labelColors = []; - var labelTextColors = []; - tooltipPosition = Chart.Tooltip.positioners[opts.position].call(me, active, me._eventPosition); - - var tooltipItems = []; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(active[i])); - } - - // If the user provided a filter function, use it to modify the tooltip items - if (opts.filter) { - tooltipItems = tooltipItems.filter(function (a) { - return opts.filter(a, data); - }); - } - - // If the user provided a sorting function, use it to modify the tooltip items - if (opts.itemSort) { - tooltipItems = tooltipItems.sort(function (a, b) { - return opts.itemSort(a, b, data); - }); - } - - // Determine colors for boxes - helpers.each(tooltipItems, function (tooltipItem) { - labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); - labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); - }); - - - // Build the Text Lines - model.title = me.getTitle(tooltipItems, data); - model.beforeBody = me.getBeforeBody(tooltipItems, data); - model.body = me.getBody(tooltipItems, data); - model.afterBody = me.getAfterBody(tooltipItems, data); - model.footer = me.getFooter(tooltipItems, data); - - // Initial positioning and colors - model.x = Math.round(tooltipPosition.x); - model.y = Math.round(tooltipPosition.y); - model.caretPadding = opts.caretPadding; - model.labelColors = labelColors; - model.labelTextColors = labelTextColors; - - // data points - model.dataPoints = tooltipItems; - - // We need to determine alignment of the tooltip - tooltipSize = getTooltipSize(this, model); - alignment = determineAlignment(this, tooltipSize); - // Final Size and Position - backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); - } else { - model.opacity = 0; - } - - model.xAlign = alignment.xAlign; - model.yAlign = alignment.yAlign; - model.x = backgroundPoint.x; - model.y = backgroundPoint.y; - model.width = tooltipSize.width; - model.height = tooltipSize.height; - - // Point where the caret on the tooltip points to - model.caretX = tooltipPosition.x; - model.caretY = tooltipPosition.y; - - me._model = model; - - if (changed && opts.custom) { - opts.custom.call(me, model); - } - - return me; - }, - drawCaret: function (tooltipPoint, size) { - var ctx = this._chart.ctx; - var vm = this._view; - var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); - - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - }, - getCaretPosition: function (tooltipPoint, size, vm) { - var x1, x2, x3, y1, y2, y3; - var caretSize = vm.caretSize; - var cornerRadius = vm.cornerRadius; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var ptX = tooltipPoint.x; - var ptY = tooltipPoint.y; - var width = size.width; - var height = size.height; - - if (yAlign === 'center') { - y2 = ptY + (height / 2); - - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - x3 = x1; - - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - x3 = x1; - - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - x2 = vm.caretX; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - y3 = y1; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - y3 = y1; - // invert drawing order - var tmp = x3; - x3 = x1; - x1 = tmp; - } - } - return { x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3 }; - }, - drawTitle: function (pt, vm, ctx, opacity) { - var title = vm.title; - - if (title.length) { - ctx.textAlign = vm._titleAlign; - ctx.textBaseline = 'top'; - - var titleFontSize = vm.titleFontSize; - var titleSpacing = vm.titleSpacing; - - ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity); - ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); - - var i, len; - for (i = 0, len = title.length; i < len; ++i) { - ctx.fillText(title[i], pt.x, pt.y); - pt.y += titleFontSize + titleSpacing; // Line Height and spacing - - if (i + 1 === title.length) { - pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing - } - } - } - }, - drawBody: function (pt, vm, ctx, opacity) { - var bodyFontSize = vm.bodyFontSize; - var bodySpacing = vm.bodySpacing; - var body = vm.body; - - ctx.textAlign = vm._bodyAlign; - ctx.textBaseline = 'top'; - ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); - - // Before Body - var xLinePadding = 0; - var fillLineOfText = function (line) { - ctx.fillText(line, pt.x + xLinePadding, pt.y); - pt.y += bodyFontSize + bodySpacing; - }; - - // Before body lines - ctx.fillStyle = mergeOpacity(vm.bodyFontColor, opacity); - helpers.each(vm.beforeBody, fillLineOfText); - - var drawColorBoxes = vm.displayColors; - xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0; - - // Draw body lines now - helpers.each(body, function (bodyItem, i) { - var textColor = mergeOpacity(vm.labelTextColors[i], opacity); - ctx.fillStyle = textColor; - helpers.each(bodyItem.before, fillLineOfText); - - helpers.each(bodyItem.lines, function (line) { - // Draw Legend-like boxes if needed - if (drawColorBoxes) { - // Fill a white rect so that colours merge nicely if the opacity is < 1 - ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity); - ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize); - - // Border - ctx.lineWidth = 1; - ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity); - ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize); - - // Inner square - ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity); - ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); - ctx.fillStyle = textColor; - } - - fillLineOfText(line); - }); - - helpers.each(bodyItem.after, fillLineOfText); - }); - - // Reset back to 0 for after body - xLinePadding = 0; - - // After body lines - helpers.each(vm.afterBody, fillLineOfText); - pt.y -= bodySpacing; // Remove last body spacing - }, - drawFooter: function (pt, vm, ctx, opacity) { - var footer = vm.footer; - - if (footer.length) { - pt.y += vm.footerMarginTop; - - ctx.textAlign = vm._footerAlign; - ctx.textBaseline = 'top'; - - ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity); - ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); - - helpers.each(footer, function (line) { - ctx.fillText(line, pt.x, pt.y); - pt.y += vm.footerFontSize + vm.footerSpacing; - }); - } - }, - drawBackground: function (pt, vm, ctx, tooltipSize, opacity) { - ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity); - ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity); - ctx.lineWidth = vm.borderWidth; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var x = pt.x; - var y = pt.y; - var width = tooltipSize.width; - var height = tooltipSize.height; - var radius = vm.cornerRadius; - - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - - ctx.fill(); - - if (vm.borderWidth > 0) { - ctx.stroke(); - } - }, - draw: function () { - var ctx = this._chart.ctx; - var vm = this._view; - - if (vm.opacity === 0) { - return; - } - - var tooltipSize = { - width: vm.width, - height: vm.height - }; - var pt = { - x: vm.x, - y: vm.y - }; - - // IE11/Edge does not like very small opacities, so snap to 0 - var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; - - // Truthy/falsey value for empty tooltip - var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; - - if (this._options.enabled && hasTooltipContent) { - // Draw Background - this.drawBackground(pt, vm, ctx, tooltipSize, opacity); - - // Draw Title, Body, and Footer - pt.x += vm.xPadding; - pt.y += vm.yPadding; - - // Titles - this.drawTitle(pt, vm, ctx, opacity); - - // Body - this.drawBody(pt, vm, ctx, opacity); - - // Footer - this.drawFooter(pt, vm, ctx, opacity); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @returns {Boolean} true if the tooltip changed - */ - handleEvent: function (e) { - var me = this; - var options = me._options; - var changed = false; - - me._lastActive = me._lastActive || []; - - // Find Active Elements for tooltips - if (e.type === 'mouseout') { - me._active = []; - } else { - me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); - } - - // Remember Last Actives - changed = !helpers.arrayEquals(me._active, me._lastActive); - - // Only handle target event on tooltip change - if (changed) { - me._lastActive = me._active; - - if (options.enabled || options.custom) { - me._eventPosition = { - x: e.x, - y: e.y - }; - - me.update(true); - me.pivot(); - } - } - - return changed; - } - }); - - /** - * @namespace Chart.Tooltip.positioners - */ - Chart.Tooltip.positioners = { - /** - * Average mode places the tooltip at the average position of the elements shown - * @function Chart.Tooltip.positioners.average - * @param elements {ChartElement[]} the elements being displayed in the tooltip - * @returns {Point} tooltip position - */ - average: function (elements) { - if (!elements.length) { - return false; - } - - var i, len; - var x = 0; - var y = 0; - var count = 0; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - - return { - x: Math.round(x / count), - y: Math.round(y / count) - }; - }, - - /** - * Gets the tooltip position nearest of the item nearest to the event position - * @function Chart.Tooltip.positioners.nearest - * @param elements {Chart.Element[]} the tooltip elements - * @param eventPosition {Point} the position of the event in canvas coordinates - * @returns {Point} the tooltip position - */ - nearest: function (elements, eventPosition) { - var x = eventPosition.x; - var y = eventPosition.y; - var minDistance = Number.POSITIVE_INFINITY; - var i, len, nearestElement; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var center = el.getCenterPoint(); - var d = helpers.distanceBetweenPoints(eventPosition, center); - - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - - if (nearestElement) { - var tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - - return { - x: x, - y: y - }; - } - }; - }; - - }, { "25": 25, "26": 26, "45": 45 }], 36: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - - defaults._set('global', { - elements: { - arc: { - backgroundColor: defaults.global.defaultColor, - borderColor: '#fff', - borderWidth: 2 - } - } - }); - - module.exports = Element.extend({ - inLabelRange: function (mouseX) { - var vm = this._view; - - if (vm) { - return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); - } - return false; - }, - - inRange: function (chartX, chartY) { - var vm = this._view; - - if (vm) { - var pointRelativePosition = helpers.getAngleFromPoint(vm, { x: chartX, y: chartY }); - var angle = pointRelativePosition.angle; - var distance = pointRelativePosition.distance; - - // Sanitise angle range - var startAngle = vm.startAngle; - var endAngle = vm.endAngle; - while (endAngle < startAngle) { - endAngle += 2.0 * Math.PI; - } - while (angle > endAngle) { - angle -= 2.0 * Math.PI; - } - while (angle < startAngle) { - angle += 2.0 * Math.PI; - } - - // Check if within the range of the open/close angle - var betweenAngles = (angle >= startAngle && angle <= endAngle); - var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); - - return (betweenAngles && withinRadius); - } - return false; - }, - - getCenterPoint: function () { - var vm = this._view; - var halfAngle = (vm.startAngle + vm.endAngle) / 2; - var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; - return { - x: vm.x + Math.cos(halfAngle) * halfRadius, - y: vm.y + Math.sin(halfAngle) * halfRadius - }; - }, - - getArea: function () { - var vm = this._view; - return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); - }, - - tooltipPosition: function () { - var vm = this._view; - var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); - var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; - - return { - x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), - y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - - draw: function () { - var ctx = this._chart.ctx; - var vm = this._view; - var sA = vm.startAngle; - var eA = vm.endAngle; - - ctx.beginPath(); - - ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - - ctx.closePath(); - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = vm.borderWidth; - - ctx.fillStyle = vm.backgroundColor; - - ctx.fill(); - ctx.lineJoin = 'bevel'; - - if (vm.borderWidth) { - ctx.stroke(); - } - } - }); - - }, { "25": 25, "26": 26, "45": 45 }], 37: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - - var globalDefaults = defaults.global; - - defaults._set('global', { - elements: { - line: { - tension: 0.4, - backgroundColor: globalDefaults.defaultColor, - borderWidth: 3, - borderColor: globalDefaults.defaultColor, - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0.0, - borderJoinStyle: 'miter', - capBezierPoints: true, - fill: true, // do we fill in the area between the line and its base axis - } - } - }); - - module.exports = Element.extend({ - draw: function () { - var me = this; - var vm = me._view; - var ctx = me._chart.ctx; - var spanGaps = vm.spanGaps; - var points = me._children.slice(); // clone array - var globalOptionLineElements = globalDefaults.elements.line; - var lastDrawnIndex = -1; - var index, current, previous, currentVM; - - // If we are looping, adding the first point again - if (me._loop && points.length) { - points.push(points[0]); - } - - ctx.save(); - - // Stroke Line Options - ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; - - // IE 9 and 10 do not support line dash - if (ctx.setLineDash) { - ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); - } - - ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset; - ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; - ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth; - ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; - - // Stroke Line - ctx.beginPath(); - lastDrawnIndex = -1; - - for (index = 0; index < points.length; ++index) { - current = points[index]; - previous = helpers.previousItem(points, index); - currentVM = current._view; - - // First point moves to it's starting position no matter what - if (index === 0) { - if (!currentVM.skip) { - ctx.moveTo(currentVM.x, currentVM.y); - lastDrawnIndex = index; - } - } else { - previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; - - if (!currentVM.skip) { - if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { - // There was a gap and this is the first point after the gap - ctx.moveTo(currentVM.x, currentVM.y); - } else { - // Line to next point - helpers.canvas.lineTo(ctx, previous._view, current._view); - } - lastDrawnIndex = index; - } - } - } - - ctx.stroke(); - ctx.restore(); - } - }); - - }, { "25": 25, "26": 26, "45": 45 }], 38: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - - var defaultColor = defaults.global.defaultColor; - - defaults._set('global', { - elements: { - point: { - radius: 3, - pointStyle: 'circle', - backgroundColor: defaultColor, - borderColor: defaultColor, - borderWidth: 1, - // Hover - hitRadius: 1, - hoverRadius: 4, - hoverBorderWidth: 1 - } - } - }); - - function xRange(mouseX) { - var vm = this._view; - return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; - } - - function yRange(mouseY) { - var vm = this._view; - return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; - } - - module.exports = Element.extend({ - inRange: function (mouseX, mouseY) { - var vm = this._view; - return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; - }, - - inLabelRange: xRange, - inXRange: xRange, - inYRange: yRange, - - getCenterPoint: function () { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - }, - - getArea: function () { - return Math.PI * Math.pow(this._view.radius, 2); - }, - - tooltipPosition: function () { - var vm = this._view; - return { - x: vm.x, - y: vm.y, - padding: vm.radius + vm.borderWidth - }; - }, - - draw: function (chartArea) { - var vm = this._view; - var model = this._model; - var ctx = this._chart.ctx; - var pointStyle = vm.pointStyle; - var radius = vm.radius; - var x = vm.x; - var y = vm.y; - var color = helpers.color; - var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.) - var ratio = 0; - - if (vm.skip) { - return; - } - - ctx.strokeStyle = vm.borderColor || defaultColor; - ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth); - ctx.fillStyle = vm.backgroundColor || defaultColor; - - // Cliping for Points. - // going out from inner charArea? - if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right * errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom * errMargin < model.y))) { - // Point fade out - if (model.x < chartArea.left) { - ratio = (x - model.x) / (chartArea.left - model.x); - } else if (chartArea.right * errMargin < model.x) { - ratio = (model.x - x) / (model.x - chartArea.right); - } else if (model.y < chartArea.top) { - ratio = (y - model.y) / (chartArea.top - model.y); - } else if (chartArea.bottom * errMargin < model.y) { - ratio = (model.y - y) / (model.y - chartArea.bottom); - } - ratio = Math.round(ratio * 100) / 100; - ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString(); - ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString(); - } - - helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y); - } - }); - - }, { "25": 25, "26": 26, "45": 45 }], 39: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - - defaults._set('global', { - elements: { - rectangle: { - backgroundColor: defaults.global.defaultColor, - borderColor: defaults.global.defaultColor, - borderSkipped: 'bottom', - borderWidth: 0 - } - } - }); - - function isVertical(bar) { - return bar._view.width !== undefined; - } - - /** - * Helper function to get the bounds of the bar regardless of the orientation - * @param bar {Chart.Element.Rectangle} the bar - * @return {Bounds} bounds of the bar - * @private - */ - function getBarBounds(bar) { - var vm = bar._view; - var x1, x2, y1, y2; - - if (isVertical(bar)) { - // vertical - var halfWidth = vm.width / 2; - x1 = vm.x - halfWidth; - x2 = vm.x + halfWidth; - y1 = Math.min(vm.y, vm.base); - y2 = Math.max(vm.y, vm.base); - } else { - // horizontal bar - var halfHeight = vm.height / 2; - x1 = Math.min(vm.x, vm.base); - x2 = Math.max(vm.x, vm.base); - y1 = vm.y - halfHeight; - y2 = vm.y + halfHeight; - } - - return { - left: x1, - top: y1, - right: x2, - bottom: y2 - }; - } - - module.exports = Element.extend({ - draw: function () { - var ctx = this._chart.ctx; - var vm = this._view; - var left, right, top, bottom, signX, signY, borderSkipped; - var borderWidth = vm.borderWidth; - - if (!vm.horizontal) { - // bar - left = vm.x - vm.width / 2; - right = vm.x + vm.width / 2; - top = vm.y; - bottom = vm.base; - signX = 1; - signY = bottom > top ? 1 : -1; - borderSkipped = vm.borderSkipped || 'bottom'; - } else { - // horizontal bar - left = vm.base; - right = vm.x; - top = vm.y - vm.height / 2; - bottom = vm.y + vm.height / 2; - signX = right > left ? 1 : -1; - signY = 1; - borderSkipped = vm.borderSkipped || 'left'; - } - - // Canvas doesn't allow us to stroke inside the width so we can - // adjust the sizes to fit if we're setting a stroke on the line - if (borderWidth) { - // borderWidth shold be less than bar width and bar height. - var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom)); - borderWidth = borderWidth > barSize ? barSize : borderWidth; - var halfStroke = borderWidth / 2; - // Adjust borderWidth when bar top position is near vm.base(zero). - var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0); - var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0); - var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0); - var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0); - // not become a vertical line? - if (borderLeft !== borderRight) { - top = borderTop; - bottom = borderBottom; - } - // not become a horizontal line? - if (borderTop !== borderBottom) { - left = borderLeft; - right = borderRight; - } - } - - ctx.beginPath(); - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = borderWidth; - - // Corner points, from bottom-left to bottom-right clockwise - // | 1 2 | - // | 0 3 | - var corners = [ - [left, bottom], - [left, top], - [right, top], - [right, bottom] - ]; - - // Find first (starting) corner with fallback to 'bottom' - var borders = ['bottom', 'left', 'top', 'right']; - var startCorner = borders.indexOf(borderSkipped, 0); - if (startCorner === -1) { - startCorner = 0; - } - - function cornerAt(index) { - return corners[(startCorner + index) % 4]; - } - - // Draw rectangle from 'startCorner' - var corner = cornerAt(0); - ctx.moveTo(corner[0], corner[1]); - - for (var i = 1; i < 4; i++) { - corner = cornerAt(i); - ctx.lineTo(corner[0], corner[1]); - } - - ctx.fill(); - if (borderWidth) { - ctx.stroke(); - } - }, - - height: function () { - var vm = this._view; - return vm.base - vm.y; - }, - - inRange: function (mouseX, mouseY) { - var inRange = false; - - if (this._view) { - var bounds = getBarBounds(this); - inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom; - } - - return inRange; - }, - - inLabelRange: function (mouseX, mouseY) { - var me = this; - if (!me._view) { - return false; - } - - var inRange = false; - var bounds = getBarBounds(me); - - if (isVertical(me)) { - inRange = mouseX >= bounds.left && mouseX <= bounds.right; - } else { - inRange = mouseY >= bounds.top && mouseY <= bounds.bottom; - } - - return inRange; - }, - - inXRange: function (mouseX) { - var bounds = getBarBounds(this); - return mouseX >= bounds.left && mouseX <= bounds.right; - }, - - inYRange: function (mouseY) { - var bounds = getBarBounds(this); - return mouseY >= bounds.top && mouseY <= bounds.bottom; - }, - - getCenterPoint: function () { - var vm = this._view; - var x, y; - if (isVertical(this)) { - x = vm.x; - y = (vm.y + vm.base) / 2; - } else { - x = (vm.x + vm.base) / 2; - y = vm.y; - } - - return { x: x, y: y }; - }, - - getArea: function () { - var vm = this._view; - return vm.width * Math.abs(vm.y - vm.base); - }, - - tooltipPosition: function () { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - } - }); - - }, { "25": 25, "26": 26 }], 40: [function (require, module, exports) { - 'use strict'; - - module.exports = {}; - module.exports.Arc = require(36); - module.exports.Line = require(37); - module.exports.Point = require(38); - module.exports.Rectangle = require(39); - - }, { "36": 36, "37": 37, "38": 38, "39": 39 }], 41: [function (require, module, exports) { - 'use strict'; - - var helpers = require(42); - - /** - * @namespace Chart.helpers.canvas - */ - var exports = module.exports = { - /** - * Clears the entire canvas associated to the given `chart`. - * @param {Chart} chart - The chart for which to clear the canvas. - */ - clear: function (chart) { - chart.ctx.clearRect(0, 0, chart.width, chart.height); - }, - - /** - * Creates a "path" for a rectangle with rounded corners at position (x, y) with a - * given size (width, height) and the same `radius` for all corners. - * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. - * @param {Number} x - The x axis of the coordinate for the rectangle starting point. - * @param {Number} y - The y axis of the coordinate for the rectangle starting point. - * @param {Number} width - The rectangle's width. - * @param {Number} height - The rectangle's height. - * @param {Number} radius - The rounded amount (in pixels) for the four corners. - * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? - */ - roundedRect: function (ctx, x, y, width, height, radius) { - if (radius) { - var rx = Math.min(radius, width / 2); - var ry = Math.min(radius, height / 2); - - ctx.moveTo(x + rx, y); - ctx.lineTo(x + width - rx, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + ry); - ctx.lineTo(x + width, y + height - ry); - ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height); - ctx.lineTo(x + rx, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - ry); - ctx.lineTo(x, y + ry); - ctx.quadraticCurveTo(x, y, x + rx, y); - } else { - ctx.rect(x, y, width, height); - } - }, - - drawPoint: function (ctx, style, radius, x, y) { - var type, edgeLength, xOffset, yOffset, height, size; - - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); - return; - } - } - - if (isNaN(radius) || radius <= 0) { - return; - } - - switch (style) { - // Default includes circle - default: - ctx.beginPath(); - ctx.arc(x, y, radius, 0, Math.PI * 2); - ctx.closePath(); - ctx.fill(); - break; - case 'triangle': - ctx.beginPath(); - edgeLength = 3 * radius / Math.sqrt(3); - height = edgeLength * Math.sqrt(3) / 2; - ctx.moveTo(x - edgeLength / 2, y + height / 3); - ctx.lineTo(x + edgeLength / 2, y + height / 3); - ctx.lineTo(x, y - 2 * height / 3); - ctx.closePath(); - ctx.fill(); - break; - case 'rect': - size = 1 / Math.SQRT2 * radius; - ctx.beginPath(); - ctx.fillRect(x - size, y - size, 2 * size, 2 * size); - ctx.strokeRect(x - size, y - size, 2 * size, 2 * size); - break; - case 'rectRounded': - var offset = radius / Math.SQRT2; - var leftX = x - offset; - var topY = y - offset; - var sideSize = Math.SQRT2 * radius; - ctx.beginPath(); - this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius / 2); - ctx.closePath(); - ctx.fill(); - break; - case 'rectRot': - size = 1 / Math.SQRT2 * radius; - ctx.beginPath(); - ctx.moveTo(x - size, y); - ctx.lineTo(x, y + size); - ctx.lineTo(x + size, y); - ctx.lineTo(x, y - size); - ctx.closePath(); - ctx.fill(); - break; - case 'cross': - ctx.beginPath(); - ctx.moveTo(x, y + radius); - ctx.lineTo(x, y - radius); - ctx.moveTo(x - radius, y); - ctx.lineTo(x + radius, y); - ctx.closePath(); - break; - case 'crossRot': - ctx.beginPath(); - xOffset = Math.cos(Math.PI / 4) * radius; - yOffset = Math.sin(Math.PI / 4) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x - xOffset, y + yOffset); - ctx.lineTo(x + xOffset, y - yOffset); - ctx.closePath(); - break; - case 'star': - ctx.beginPath(); - ctx.moveTo(x, y + radius); - ctx.lineTo(x, y - radius); - ctx.moveTo(x - radius, y); - ctx.lineTo(x + radius, y); - xOffset = Math.cos(Math.PI / 4) * radius; - yOffset = Math.sin(Math.PI / 4) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x - xOffset, y + yOffset); - ctx.lineTo(x + xOffset, y - yOffset); - ctx.closePath(); - break; - case 'line': - ctx.beginPath(); - ctx.moveTo(x - radius, y); - ctx.lineTo(x + radius, y); - ctx.closePath(); - break; - case 'dash': - ctx.beginPath(); - ctx.moveTo(x, y); - ctx.lineTo(x + radius, y); - ctx.closePath(); - break; - } - - ctx.stroke(); - }, - - clipArea: function (ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); - }, - - unclipArea: function (ctx) { - ctx.restore(); - }, - - lineTo: function (ctx, previous, target, flip) { - if (target.steppedLine) { - if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); - return; - } - - if (!target.tension) { - ctx.lineTo(target.x, target.y); - return; - } - - ctx.bezierCurveTo( - flip ? previous.controlPointPreviousX : previous.controlPointNextX, - flip ? previous.controlPointPreviousY : previous.controlPointNextY, - flip ? target.controlPointNextX : target.controlPointPreviousX, - flip ? target.controlPointNextY : target.controlPointPreviousY, - target.x, - target.y); - } - }; - - // DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. - * @namespace Chart.helpers.clear - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.clear = exports.clear; - - /** - * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. - * @namespace Chart.helpers.drawRoundedRectangle - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.drawRoundedRectangle = function (ctx) { - ctx.beginPath(); - exports.roundedRect.apply(exports, arguments); - ctx.closePath(); - }; - - }, { "42": 42 }], 42: [function (require, module, exports) { - 'use strict'; - - /** - * @namespace Chart.helpers - */ - var helpers = { - /** - * An empty function that can be used, for example, for optional callback. - */ - noop: function () { }, - - /** - * Returns a unique id, sequentially generated from a global variable. - * @returns {Number} - * @function - */ - uid: (function () { - var id = 0; - return function () { - return id++; - }; - } ()), - - /** - * Returns true if `value` is neither null nor undefined, else returns false. - * @param {*} value - The value to test. - * @returns {Boolean} - * @since 2.7.0 - */ - isNullOrUndef: function (value) { - return value === null || typeof value === 'undefined'; - }, - - /** - * Returns true if `value` is an array, else returns false. - * @param {*} value - The value to test. - * @returns {Boolean} - * @function - */ - isArray: Array.isArray ? Array.isArray : function (value) { - return Object.prototype.toString.call(value) === '[object Array]'; - }, - - /** - * Returns true if `value` is an object (excluding null), else returns false. - * @param {*} value - The value to test. - * @returns {Boolean} - * @since 2.7.0 - */ - isObject: function (value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; - }, - - /** - * Returns `value` if defined, else returns `defaultValue`. - * @param {*} value - The value to return if defined. - * @param {*} defaultValue - The value to return if `value` is undefined. - * @returns {*} - */ - valueOrDefault: function (value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; - }, - - /** - * Returns value at the given `index` in array if defined, else returns `defaultValue`. - * @param {Array} value - The array to lookup for value at `index`. - * @param {Number} index - The index in `value` to lookup for value. - * @param {*} defaultValue - The value to return if `value[index]` is undefined. - * @returns {*} - */ - valueAtIndexOrDefault: function (value, index, defaultValue) { - return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); - }, - - /** - * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the - * value returned by `fn`. If `fn` is not a function, this method returns undefined. - * @param {Function} fn - The function to call. - * @param {Array|undefined|null} args - The arguments with which `fn` should be called. - * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`. - * @returns {*} - */ - callback: function (fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } - }, - - /** - * Note(SB) for performance sake, this method should only be used when loopable type - * is unknown or in none intensive code (not called often and small loopable). Else - * it's preferable to use a regular for() loop and save extra function calls. - * @param {Object|Array} loopable - The object or array to be iterated. - * @param {Function} fn - The function to call for each item. - * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`. - * @param {Boolean} [reverse] - If true, iterates backward on the loopable. - */ - each: function (loopable, fn, thisArg, reverse) { - var i, len, keys; - if (helpers.isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (helpers.isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } - }, - - /** - * Returns true if the `a0` and `a1` arrays have the same content, else returns false. - * @see http://stackoverflow.com/a/14853974 - * @param {Array} a0 - The array to compare - * @param {Array} a1 - The array to compare - * @returns {Boolean} - */ - arrayEquals: function (a0, a1) { - var i, ilen, v0, v1; - - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - - if (v0 instanceof Array && v1 instanceof Array) { - if (!helpers.arrayEquals(v0, v1)) { - return false; - } - } else if (v0 !== v1) { - // NOTE: two different object instances will never be equal: {x:20} != {x:20} - return false; - } - } - - return true; - }, - - /** - * Returns a deep copy of `source` without keeping references on objects and arrays. - * @param {*} source - The value to clone. - * @returns {*} - */ - clone: function (source) { - if (helpers.isArray(source)) { - return source.map(helpers.clone); - } - - if (helpers.isObject(source)) { - var target = {}; - var keys = Object.keys(source); - var klen = keys.length; - var k = 0; - - for (; k < klen; ++k) { - target[keys[k]] = helpers.clone(source[keys[k]]); - } - - return target; - } - - return source; - }, - - /** - * The default merger when Chart.helpers.merge is called without merger option. - * Note(SB): this method is also used by configMerge and scaleMerge as fallback. - * @private - */ - _merger: function (key, target, source, options) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.merge(tval, sval, options); - } else { - target[key] = helpers.clone(sval); - } - }, - - /** - * Merges source[key] in target[key] only if target[key] is undefined. - * @private - */ - _mergerIf: function (key, target, source) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.mergeIf(tval, sval); - } else if (!target.hasOwnProperty(key)) { - target[key] = helpers.clone(sval); - } - }, - - /** - * Recursively deep copies `source` properties into `target` with the given `options`. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {Object} target - The target object in which all sources are merged into. - * @param {Object|Array(Object)} source - Object(s) to merge into `target`. - * @param {Object} [options] - Merging options: - * @param {Function} [options.merger] - The merge method (key, target, source, options) - * @returns {Object} The `target` object. - */ - merge: function (target, source, options) { - var sources = helpers.isArray(source) ? source : [source]; - var ilen = sources.length; - var merge, i, keys, klen, k; - - if (!helpers.isObject(target)) { - return target; - } - - options = options || {}; - merge = options.merger || helpers._merger; - - for (i = 0; i < ilen; ++i) { - source = sources[i]; - if (!helpers.isObject(source)) { - continue; - } - - keys = Object.keys(source); - for (k = 0, klen = keys.length; k < klen; ++k) { - merge(keys[k], target, source, options); - } - } - - return target; - }, - - /** - * Recursively deep copies `source` properties into `target` *only* if not defined in target. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {Object} target - The target object in which all sources are merged into. - * @param {Object|Array(Object)} source - Object(s) to merge into `target`. - * @returns {Object} The `target` object. - */ - mergeIf: function (target, source) { - return helpers.merge(target, source, { merger: helpers._mergerIf }); - }, - - /** - * Applies the contents of two or more objects together into the first object. - * @param {Object} target - The target object in which all objects are merged into. - * @param {Object} arg1 - Object containing additional properties to merge in target. - * @param {Object} argN - Additional objects containing properties to merge in target. - * @returns {Object} The `target` object. - */ - extend: function (target) { - var setFn = function (value, key) { - target[key] = value; - }; - for (var i = 1, ilen = arguments.length; i < ilen; ++i) { - helpers.each(arguments[i], setFn); - } - return target; - }, - - /** - * Basic javascript inheritance based on the model created in Backbone.js - */ - inherits: function (extensions) { - var me = this; - var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function () { - return me.apply(this, arguments); - }; - - var Surrogate = function () { - this.constructor = ChartElement; - }; - - Surrogate.prototype = me.prototype; - ChartElement.prototype = new Surrogate(); - ChartElement.extend = helpers.inherits; - - if (extensions) { - helpers.extend(ChartElement.prototype, extensions); - } - - ChartElement.__super__ = me.prototype; - return ChartElement; - } - }; - - module.exports = helpers; - - // DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.callback instead. - * @function Chart.helpers.callCallback - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - helpers.callCallback = helpers.callback; - - /** - * Provided for backward compatibility, use Array.prototype.indexOf instead. - * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ - * @function Chart.helpers.indexOf - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.indexOf = function (array, item, fromIndex) { - return Array.prototype.indexOf.call(array, item, fromIndex); - }; - - /** - * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. - * @function Chart.helpers.getValueOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.getValueOrDefault = helpers.valueOrDefault; - - /** - * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. - * @function Chart.helpers.getValueAtIndexOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - - }, {}], 43: [function (require, module, exports) { - 'use strict'; - - var helpers = require(42); - - /** - * Easing functions adapted from Robert Penner's easing equations. - * @namespace Chart.helpers.easingEffects - * @see http://www.robertpenner.com/easing/ - */ - var effects = { - linear: function (t) { - return t; - }, - - easeInQuad: function (t) { - return t * t; - }, - - easeOutQuad: function (t) { - return -t * (t - 2); - }, - - easeInOutQuad: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t; - } - return -0.5 * ((--t) * (t - 2) - 1); - }, - - easeInCubic: function (t) { - return t * t * t; - }, - - easeOutCubic: function (t) { - return (t = t - 1) * t * t + 1; - }, - - easeInOutCubic: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t; - } - return 0.5 * ((t -= 2) * t * t + 2); - }, - - easeInQuart: function (t) { - return t * t * t * t; - }, - - easeOutQuart: function (t) { - return -((t = t - 1) * t * t * t - 1); - }, - - easeInOutQuart: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t; - } - return -0.5 * ((t -= 2) * t * t * t - 2); - }, - - easeInQuint: function (t) { - return t * t * t * t * t; - }, - - easeOutQuint: function (t) { - return (t = t - 1) * t * t * t * t + 1; - }, - - easeInOutQuint: function (t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t * t; - } - return 0.5 * ((t -= 2) * t * t * t * t + 2); - }, - - easeInSine: function (t) { - return -Math.cos(t * (Math.PI / 2)) + 1; - }, - - easeOutSine: function (t) { - return Math.sin(t * (Math.PI / 2)); - }, - - easeInOutSine: function (t) { - return -0.5 * (Math.cos(Math.PI * t) - 1); - }, - - easeInExpo: function (t) { - return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); - }, - - easeOutExpo: function (t) { - return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; - }, - - easeInOutExpo: function (t) { - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if ((t /= 0.5) < 1) { - return 0.5 * Math.pow(2, 10 * (t - 1)); - } - return 0.5 * (-Math.pow(2, -10 * --t) + 2); - }, - - easeInCirc: function (t) { - if (t >= 1) { - return t; - } - return -(Math.sqrt(1 - t * t) - 1); - }, - - easeOutCirc: function (t) { - return Math.sqrt(1 - (t = t - 1) * t); - }, - - easeInOutCirc: function (t) { - if ((t /= 0.5) < 1) { - return -0.5 * (Math.sqrt(1 - t * t) - 1); - } - return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - - easeInElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - }, - - easeOutElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; - }, - - easeInOutElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if ((t /= 0.5) === 2) { - return 1; - } - if (!p) { - p = 0.45; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1) { - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - } - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function (t) { - var s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - - easeOutBack: function (t) { - var s = 1.70158; - return (t = t - 1) * t * ((s + 1) * t + s) + 1; - }, - - easeInOutBack: function (t) { - var s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - - easeInBounce: function (t) { - return 1 - effects.easeOutBounce(1 - t); - }, - - easeOutBounce: function (t) { - if (t < (1 / 2.75)) { - return 7.5625 * t * t; - } - if (t < (2 / 2.75)) { - return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; - } - if (t < (2.5 / 2.75)) { - return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; - } - return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; - }, - - easeInOutBounce: function (t) { - if (t < 0.5) { - return effects.easeInBounce(t * 2) * 0.5; - } - return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; - } - }; - - module.exports = { - effects: effects - }; - - // DEPRECATIONS - - /** - * Provided for backward compatibility, use Chart.helpers.easing.effects instead. - * @function Chart.helpers.easingEffects - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.easingEffects = effects; - - }, { "42": 42 }], 44: [function (require, module, exports) { - 'use strict'; - - var helpers = require(42); - - /** - * @alias Chart.helpers.options - * @namespace - */ - module.exports = { - /** - * Converts the given line height `value` in pixels for a specific font `size`. - * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). - * @param {Number} size - The font size (in pixels) used to resolve relative `value`. - * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid). - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height - * @since 2.7.0 - */ - toLineHeight: function (value, size) { - var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - - value = +matches[2]; - - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - default: - break; - } - - return size * value; - }, - - /** - * Converts the given value into a padding object with pre-computed width/height. - * @param {Number|Object} value - If a number, set the value to all TRBL component, - * else, if and object, use defined properties and sets undefined ones to 0. - * @returns {Object} The padding values (top, right, bottom, left, width, height) - * @since 2.7.0 - */ - toPadding: function (value) { - var t, r, b, l; - - if (helpers.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - top: t, - right: r, - bottom: b, - left: l, - height: t + b, - width: l + r - }; - }, - - /** - * Evaluates the given `inputs` sequentially and returns the first defined value. - * @param {Array[]} inputs - An array of values, falling back to the last value. - * @param {Object} [context] - If defined and the current value is a function, the value - * is called with `context` as first argument and the result becomes the new input. - * @param {Number} [index] - If defined and the current value is an array, the value - * at `index` become the new input. - * @since 2.7.0 - */ - resolve: function (inputs, context, index) { - var i, ilen, value; - - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; - } - if (context !== undefined && typeof value === 'function') { - value = value(context); - } - if (index !== undefined && helpers.isArray(value)) { - value = value[index]; - } - if (value !== undefined) { - return value; - } - } - } - }; - - }, { "42": 42 }], 45: [function (require, module, exports) { - 'use strict'; - - module.exports = require(42); - module.exports.easing = require(43); - module.exports.canvas = require(41); - module.exports.options = require(44); - - }, { "41": 41, "42": 42, "43": 43, "44": 44 }], 46: [function (require, module, exports) { - /** - * Platform fallback implementation (minimal). - * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 - */ - - module.exports = { - acquireContext: function (item) { - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - return item && item.getContext('2d') || null; - } - }; - - }, {}], 47: [function (require, module, exports) { - /** - * Chart.Platform implementation for targeting a web browser - */ - - 'use strict'; - - var helpers = require(45); - - var EXPANDO_KEY = '$chartjs'; - var CSS_PREFIX = 'chartjs-'; - var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; - var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; - var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; - - /** - * DOM event types -> Chart.js event types. - * Note: only events with different types are mapped. - * @see https://developer.mozilla.org/en-US/docs/Web/Events - */ - var EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' - }; - - /** - * The "used" size is the final value of a dimension property after all calculations have - * been performed. This method uses the computed style of `element` but returns undefined - * if the computed style is not expressed in pixels. That can happen in some cases where - * `element` has a size relative to its parent and this last one is not yet displayed, - * for example because of `display: none` on a parent node. - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value - * @returns {Number} Size in pixels or undefined if unknown. - */ - function readUsedSize(element, property) { - var value = helpers.getStyle(element, property); - var matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? Number(matches[1]) : undefined; - } - - /** - * Initializes the canvas style and render size without modifying the canvas display size, - * since responsiveness is handled by the controller.resize() method. The config is used - * to determine the aspect ratio to apply in case no explicit height has been specified. - */ - function initCanvas(canvas, config) { - var style = canvas.style; - - // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it - // returns null or '' if no explicit value has been set to the canvas attribute. - var renderHeight = canvas.getAttribute('height'); - var renderWidth = canvas.getAttribute('width'); - - // Chart.js modifies some canvas values that we want to restore on destroy - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - - // Force canvas to display as block to avoid extra space caused by inline - // elements, which would interfere with the responsive resize process. - // https://github.com/chartjs/Chart.js/issues/2538 - style.display = style.display || 'block'; - - if (renderWidth === null || renderWidth === '') { - var displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - - if (renderHeight === null || renderHeight === '') { - if (canvas.style.height === '') { - // If no explicit render height and style height, let's apply the aspect ratio, - // which one can be specified by the user but also by charts as default option - // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. - canvas.height = canvas.width / (config.options.aspectRatio || 2); - } else { - var displayHeight = readUsedSize(canvas, 'height'); - if (displayWidth !== undefined) { - canvas.height = displayHeight; - } - } - } - - return canvas; - } - - /** - * Detects support for options object argument in addEventListener. - * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support - * @private - */ - var supportsEventListenerOptions = (function () { - var supports = false; - try { - var options = Object.defineProperty({}, 'passive', { - get: function () { - supports = true; - } - }); - window.addEventListener('e', null, options); - } catch (e) { - // continue regardless of error - } - return supports; - } ()); - - // Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. - // https://github.com/chartjs/Chart.js/issues/4287 - var eventListenerOptions = supportsEventListenerOptions ? { passive: true } : false; - - function addEventListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); - } - - function removeEventListener(node, type, listener) { - node.removeEventListener(type, listener, eventListenerOptions); - } - - function createEvent(type, chart, x, y, nativeEvent) { - return { - type: type, - chart: chart, - native: nativeEvent || null, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; - } - - function fromNativeEvent(event, chart) { - var type = EVENT_TYPES[event.type] || event.type; - var pos = helpers.getRelativePosition(event, chart); - return createEvent(type, chart, pos.x, pos.y, event); - } - - function throttled(fn, thisArg) { - var ticking = false; - var args = []; - - return function () { - args = Array.prototype.slice.call(arguments); - thisArg = thisArg || this; - - if (!ticking) { - ticking = true; - helpers.requestAnimFrame.call(window, function () { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; - } - - // Implementation based on https://github.com/marcj/css-element-queries - function createResizer(handler) { - var resizer = document.createElement('div'); - var cls = CSS_PREFIX + 'size-monitor'; - var maxSize = 1000000; - var style = - 'position:absolute;' + - 'left:0;' + - 'top:0;' + - 'right:0;' + - 'bottom:0;' + - 'overflow:hidden;' + - 'pointer-events:none;' + - 'visibility:hidden;' + - 'z-index:-1;'; - - resizer.style.cssText = style; - resizer.className = cls; - resizer.innerHTML = - '
' + - '
' + - '
' + - '
' + - '
' + - '
' + - '
' + - '
'; - - var expand = resizer.childNodes[0]; - var shrink = resizer.childNodes[1]; - - resizer._reset = function () { - expand.scrollLeft = maxSize; - expand.scrollTop = maxSize; - shrink.scrollLeft = maxSize; - shrink.scrollTop = maxSize; - }; - var onScroll = function () { - resizer._reset(); - handler(); - }; - - addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand')); - addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); - - return resizer; - } - - // https://davidwalsh.name/detect-node-insertion - function watchForRender(node, handler) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - var proxy = expando.renderProxy = function (e) { - if (e.animationName === CSS_RENDER_ANIMATION) { - handler(); - } - }; - - helpers.each(ANIMATION_START_EVENTS, function (type) { - addEventListener(node, type, proxy); - }); - - // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class - // is removed then added back immediately (same animation frame?). Accessing the - // `offsetParent` property will force a reflow and re-evaluate the CSS animation. - // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics - // https://github.com/chartjs/Chart.js/issues/4737 - expando.reflow = !!node.offsetParent; - - node.classList.add(CSS_RENDER_MONITOR); - } - - function unwatchForRender(node) { - var expando = node[EXPANDO_KEY] || {}; - var proxy = expando.renderProxy; - - if (proxy) { - helpers.each(ANIMATION_START_EVENTS, function (type) { - removeEventListener(node, type, proxy); - }); - - delete expando.renderProxy; - } - - node.classList.remove(CSS_RENDER_MONITOR); - } - - function addResizeListener(node, listener, chart) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - - // Let's keep track of this added resizer and thus avoid DOM query when removing it. - var resizer = expando.resizer = createResizer(throttled(function () { - if (expando.resizer) { - return listener(createEvent('resize', chart)); - } - })); - - // The resizer needs to be attached to the node parent, so we first need to be - // sure that `node` is attached to the DOM before injecting the resizer element. - watchForRender(node, function () { - if (expando.resizer) { - var container = node.parentNode; - if (container && container !== resizer.parentNode) { - container.insertBefore(resizer, container.firstChild); - } - - // The container size might have changed, let's reset the resizer state. - resizer._reset(); - } - }); - } - - function removeResizeListener(node) { - var expando = node[EXPANDO_KEY] || {}; - var resizer = expando.resizer; - - delete expando.resizer; - unwatchForRender(node); - - if (resizer && resizer.parentNode) { - resizer.parentNode.removeChild(resizer); + config = mergeConfigs(parentConfig, config); + locale = new Locale(config); + locale.parentLocale = locales[name]; + locales[name] = locale; + + // backwards compat for now: also set the locale + getSetGlobalLocale(name); + } else { + // pass null for config to unupdate, useful for tests + if (locales[name] != null) { + if (locales[name].parentLocale != null) { + locales[name] = locales[name].parentLocale; + } else if (locales[name] != null) { + delete locales[name]; } } + } + return locales[name]; + } - function injectCSS(platform, css) { - // http://stackoverflow.com/q/3922139 - var style = platform._style || document.createElement('style'); - if (!platform._style) { - platform._style = style; - css = '/* Chart.js */\n' + css; - style.setAttribute('type', 'text/css'); - document.getElementsByTagName('head')[0].appendChild(style); - } + // returns locale data + function getLocale (key) { + var locale; - style.appendChild(document.createTextNode(css)); + if (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } + + if (!key) { + return globalLocale; + } + + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } + + return chooseLocale(key); + } + + function listLocales() { + return keys(locales); + } + + function checkOverflow (m) { + var overflow; + var a = m._a; + + if (a && getParsingFlags(m).overflow === -2) { + overflow = + a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : + a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : + a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : + a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : + a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : + a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : + -1; + + if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { + overflow = DATE; + } + if (getParsingFlags(m)._overflowWeeks && overflow === -1) { + overflow = WEEK; + } + if (getParsingFlags(m)._overflowWeekday && overflow === -1) { + overflow = WEEKDAY; } - module.exports = { - /** - * This property holds whether this platform is enabled for the current environment. - * Currently used by platform.js to select the proper implementation. - * @private - */ - _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', + getParsingFlags(m).overflow = overflow; + } - initialize: function () { - var keyframes = 'from{opacity:0.99}to{opacity:1}'; + return m; + } - injectCSS(this, - // DOM rendering detection - // https://davidwalsh.name/detect-node-insertion - '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' + - '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' + - '.' + CSS_RENDER_MONITOR + '{' + - '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' + - 'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' + - '}' - ); - }, + // Pick the first defined of two or three arguments. + function defaults(a, b, c) { + if (a != null) { + return a; + } + if (b != null) { + return b; + } + return c; + } - acquireContext: function (item, config) { - if (typeof item === 'string') { - item = document.getElementById(item); - } else if (item.length) { - // Support for array based queries (such as jQuery) - item = item[0]; - } + function currentDateArray(config) { + // hooks is actually the exported moment object + var nowValue = new Date(hooks.now()); + if (config._useUTC) { + return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()]; + } + return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; + } - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } + // convert an array to a date. + // the array should mirror the parameters below + // note: all values past the year are optional and will default to the lowest possible value. + // [year, month, day , hour, minute, second, millisecond] + function configFromArray (config) { + var i, date, input = [], currentDate, expectedWeekday, yearToUse; - // To prevent canvas fingerprinting, some add-ons undefine the getContext - // method, for example: https://github.com/kkapsner/CanvasBlocker - // https://github.com/chartjs/Chart.js/issues/2807 - var context = item && item.getContext && item.getContext('2d'); + if (config._d) { + return; + } - // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is - // inside an iframe or when running in a protected environment. We could guess the - // types from their toString() value but let's keep things flexible and assume it's - // a sufficient condition if the item has a context2D which has item as `canvas`. - // https://github.com/chartjs/Chart.js/issues/3887 - // https://github.com/chartjs/Chart.js/issues/4102 - // https://github.com/chartjs/Chart.js/issues/4152 - if (context && context.canvas === item) { - initCanvas(item, config); - return context; - } + currentDate = currentDateArray(config); - return null; - }, + //compute day of the year from weeks and weekdays + if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { + dayOfYearFromWeekInfo(config); + } - releaseContext: function (context) { - var canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return; - } + //if the day of the year is set, figure out what it is + if (config._dayOfYear != null) { + yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); - var initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach(function (prop) { - var value = initial[prop]; - if (helpers.isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - - helpers.each(initial.style || {}, function (value, key) { - canvas.style[key] = value; - }); - - // The canvas render size might have been changed (and thus the state stack discarded), - // we can't use save() and restore() to restore the initial state. So make sure that at - // least the canvas context is reset to the default state by setting the canvas width. - // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html - canvas.width = canvas.width; - - delete canvas[EXPANDO_KEY]; - }, - - addEventListener: function (chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - addResizeListener(canvas, listener, chart); - return; - } - - var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); - var proxies = expando.proxies || (expando.proxies = {}); - var proxy = proxies[chart.id + '_' + type] = function (event) { - listener(fromNativeEvent(event, chart)); - }; - - addEventListener(canvas, type, proxy); - }, - - removeEventListener: function (chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - removeResizeListener(canvas, listener); - return; - } - - var expando = listener[EXPANDO_KEY] || {}; - var proxies = expando.proxies || {}; - var proxy = proxies[chart.id + '_' + type]; - if (!proxy) { - return; - } - - removeEventListener(canvas, type, proxy); - } - }; - - // DEPRECATIONS - - /** - * Provided for backward compatibility, use EventTarget.addEventListener instead. - * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener - * @function Chart.helpers.addEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.addEvent = addEventListener; - - /** - * Provided for backward compatibility, use EventTarget.removeEventListener instead. - * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener - * @function Chart.helpers.removeEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ - helpers.removeEvent = removeEventListener; - - }, { "45": 45 }], 48: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - var basic = require(46); - var dom = require(47); - - // @TODO Make possible to select another platform at build time. - var implementation = dom._enabled ? dom : basic; - - /** - * @namespace Chart.platform - * @see https://chartjs.gitbooks.io/proposals/content/Platform.html - * @since 2.4.0 - */ - module.exports = helpers.extend({ - /** - * @since 2.7.0 - */ - initialize: function () { }, - - /** - * Called at chart construction time, returns a context2d instance implementing - * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. - * @param {*} item - The native item from which to acquire context (platform specific) - * @param {Object} options - The chart options - * @returns {CanvasRenderingContext2D} context2d instance - */ - acquireContext: function () { }, - - /** - * Called at chart destruction time, releases any resources associated to the context - * previously returned by the acquireContext() method. - * @param {CanvasRenderingContext2D} context - The context2d instance - * @returns {Boolean} true if the method succeeded, else false - */ - releaseContext: function () { }, - - /** - * Registers the specified listener on the given chart. - * @param {Chart} chart - Chart from which to listen for event - * @param {String} type - The ({@link IEvent}) type to listen for - * @param {Function} listener - Receives a notification (an object that implements - * the {@link IEvent} interface) when an event of the specified type occurs. - */ - addEventListener: function () { }, - - /** - * Removes the specified listener previously registered with addEventListener. - * @param {Chart} chart -Chart from which to remove the listener - * @param {String} type - The ({@link IEvent}) type to remove - * @param {Function} listener - The listener function to remove from the event target. - */ - removeEventListener: function () { } - - }, implementation); - - /** - * @interface IPlatform - * Allows abstracting platform dependencies away from the chart - * @borrows Chart.platform.acquireContext as acquireContext - * @borrows Chart.platform.releaseContext as releaseContext - * @borrows Chart.platform.addEventListener as addEventListener - * @borrows Chart.platform.removeEventListener as removeEventListener - */ - - /** - * @interface IEvent - * @prop {String} type - The event type name, possible values are: - * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout', - * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize' - * @prop {*} native - The original native event (null for emulated events, e.g. 'resize') - * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events) - * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events) - */ - - }, { "45": 45, "46": 46, "47": 47 }], 49: [function (require, module, exports) { - 'use strict'; - - module.exports = {}; - module.exports.filler = require(50); - module.exports.legend = require(51); - module.exports.title = require(52); - - }, { "50": 50, "51": 51, "52": 52 }], 50: [function (require, module, exports) { - /** - * Plugin based on discussion from the following Chart.js issues: - * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569 - * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897 - */ - - 'use strict'; - - var defaults = require(25); - var elements = require(40); - var helpers = require(45); - - defaults._set('global', { - plugins: { - filler: { - propagate: true - } - } - }); - - var mappers = { - dataset: function (source) { - var index = source.fill; - var chart = source.chart; - var meta = chart.getDatasetMeta(index); - var visible = meta && chart.isDatasetVisible(index); - var points = (visible && meta.dataset._children) || []; - var length = points.length || 0; - - return !length ? null : function (point, i) { - return (i < length && points[i]._view) || null; - }; - }, - - boundary: function (source) { - var boundary = source.boundary; - var x = boundary ? boundary.x : null; - var y = boundary ? boundary.y : null; - - return function (point) { - return { - x: x === null ? point.x : x, - y: y === null ? point.y : y, - }; - }; - } - }; - - // @todo if (fill[0] === '#') - function decodeFill(el, index, count) { - var model = el._model || {}; - var fill = model.fill; - var target; - - if (fill === undefined) { - fill = !!model.backgroundColor; - } - - if (fill === false || fill === null) { - return false; - } - - if (fill === true) { - return 'origin'; - } - - target = parseFloat(fill, 10); - if (isFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - - if (target === index || target < 0 || target >= count) { - return false; - } - - return target; - } - - switch (fill) { - // compatibility - case 'bottom': - return 'start'; - case 'top': - return 'end'; - case 'zero': - return 'origin'; - // supported boundaries - case 'origin': - case 'start': - case 'end': - return fill; - // invalid fill values - default: - return false; - } + if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) { + getParsingFlags(config)._overflowDayOfYear = true; } - function computeBoundary(source) { - var model = source.el._model || {}; - var scale = source.el._scale || {}; - var fill = source.fill; - var target = null; - var horizontal; + date = createUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } - if (isFinite(fill)) { - return null; - } + // Default to current date. + // * if no year, month, day of month are given, default to today + // * if day of month is given, default month and year + // * if month is given, default only year + // * if year is given, don't default anything + for (i = 0; i < 3 && config._a[i] == null; ++i) { + config._a[i] = input[i] = currentDate[i]; + } - // Backward compatibility: until v3, we still need to support boundary values set on - // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and - // controllers might still use it (e.g. the Smith chart). + // Zero out whatever was not defaulted, including time + for (; i < 7; i++) { + config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; + } - if (fill === 'start') { - target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; - } else if (fill === 'end') { - target = model.scaleTop === undefined ? scale.top : model.scaleTop; - } else if (model.scaleZero !== undefined) { - target = model.scaleZero; - } else if (scale.getBasePosition) { - target = scale.getBasePosition(); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } + // Check for 24:00:00.000 + if (config._a[HOUR] === 24 && + config._a[MINUTE] === 0 && + config._a[SECOND] === 0 && + config._a[MILLISECOND] === 0) { + config._nextDay = true; + config._a[HOUR] = 0; + } - if (target !== undefined && target !== null) { - if (target.x !== undefined && target.y !== undefined) { - return target; - } + config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); + expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); - if (typeof target === 'number' && isFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - } + // Apply timezone offset from input. The actual utcOffset can be changed + // with parseZone. + if (config._tzm != null) { + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + } - return null; + if (config._nextDay) { + config._a[HOUR] = 24; + } + + // check for mismatching day of week + if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) { + getParsingFlags(config).weekdayMismatch = true; + } + } + + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow; + + w = config._w; + if (w.GG != null || w.W != null || w.E != null) { + dow = 1; + doy = 4; + + // TODO: We need to take the current isoWeekYear, but that depends on + // how we interpret now (local, utc, fixed offset). So create + // a now version of current config (take local/utc/offset flags, and + // create now). + weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year); + week = defaults(w.W, 1); + weekday = defaults(w.E, 1); + if (weekday < 1 || weekday > 7) { + weekdayOverflow = true; } + } else { + dow = config._locale._week.dow; + doy = config._locale._week.doy; - function resolveTarget(sources, index, propagate) { - var source = sources[index]; - var fill = source.fill; - var visited = [index]; - var target; + var curWeek = weekOfYear(createLocal(), dow, doy); - if (!propagate) { - return fill; + weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); + + // Default to current week. + week = defaults(w.w, curWeek.week); + + if (w.d != null) { + // weekday -- low day numbers are considered next week + weekday = w.d; + if (weekday < 0 || weekday > 6) { + weekdayOverflow = true; } - - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isFinite(fill)) { - return fill; - } - - target = sources[fill]; - if (!target) { - return false; - } - - if (target.visible) { - return fill; - } - - visited.push(fill); - fill = target.fill; + } else if (w.e != null) { + // local weekday -- counting starts from begining of week + weekday = w.e + dow; + if (w.e < 0 || w.e > 6) { + weekdayOverflow = true; } - - return false; + } else { + // default to begining of week + weekday = dow; } + } + if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { + getParsingFlags(config)._overflowWeeks = true; + } else if (weekdayOverflow != null) { + getParsingFlags(config)._overflowWeekday = true; + } else { + temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); + config._a[YEAR] = temp.year; + config._dayOfYear = temp.dayOfYear; + } + } - function createMapper(source) { - var fill = source.fill; - var type = 'dataset'; + // iso 8601 regex + // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) + var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; + var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - if (fill === false) { - return null; - } + var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/; - if (!isFinite(fill)) { - type = 'boundary'; - } + var isoDates = [ + ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], + ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], + ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], + ['GGGG-[W]WW', /\d{4}-W\d\d/, false], + ['YYYY-DDD', /\d{4}-\d{3}/], + ['YYYY-MM', /\d{4}-\d\d/, false], + ['YYYYYYMMDD', /[+-]\d{10}/], + ['YYYYMMDD', /\d{8}/], + // YYYYMM is NOT allowed by the standard + ['GGGG[W]WWE', /\d{4}W\d{3}/], + ['GGGG[W]WW', /\d{4}W\d{2}/, false], + ['YYYYDDD', /\d{7}/] + ]; - return mappers[type](source); - } + // iso time formats and regexes + var isoTimes = [ + ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], + ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], + ['HH:mm:ss', /\d\d:\d\d:\d\d/], + ['HH:mm', /\d\d:\d\d/], + ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], + ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], + ['HHmmss', /\d\d\d\d\d\d/], + ['HHmm', /\d\d\d\d/], + ['HH', /\d\d/] + ]; - function isDrawable(point) { - return point && !point.skip; - } + var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i; - function drawArea(ctx, curve0, curve1, len0, len1) { - var i; + // date from iso format + function configFromISO(config) { + var i, l, + string = config._i, + match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), + allowTime, dateFormat, timeFormat, tzFormat; - if (!len0 || !len1) { - return; - } + if (match) { + getParsingFlags(config).iso = true; - // building first area curve (normal) - ctx.moveTo(curve0[0].x, curve0[0].y); - for (i = 1; i < len0; ++i) { - helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); - } - - // joining the two area curves - ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); - - // building opposite area curve (reverse) - for (i = len1 - 1; i > 0; --i) { - helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); + for (i = 0, l = isoDates.length; i < l; i++) { + if (isoDates[i][1].exec(match[1])) { + dateFormat = isoDates[i][0]; + allowTime = isoDates[i][2] !== false; + break; } } - - function doFill(ctx, points, mapper, view, color, loop) { - var count = points.length; - var span = view.spanGaps; - var curve0 = []; - var curve1 = []; - var len0 = 0; - var len1 = 0; - var i, ilen, index, p0, p1, d0, d1; - - ctx.beginPath(); - - for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { - index = i % count; - p0 = points[index]._view; - p1 = mapper(p0, index, view); - d0 = isDrawable(p0); - d1 = isDrawable(p1); - - if (d0 && d1) { - len0 = curve0.push(p0); - len1 = curve1.push(p1); - } else if (len0 && len1) { - if (!span) { - drawArea(ctx, curve0, curve1, len0, len1); - len0 = len1 = 0; - curve0 = []; - curve1 = []; - } else { - if (d0) { - curve0.push(p0); - } - if (d1) { - curve1.push(p1); - } - } - } - } - - drawArea(ctx, curve0, curve1, len0, len1); - - ctx.closePath(); - ctx.fillStyle = color; - ctx.fill(); + if (dateFormat == null) { + config._isValid = false; + return; } - - module.exports = { - id: 'filler', - - afterDatasetsUpdate: function (chart, options) { - var count = (chart.data.datasets || []).length; - var propagate = options.propagate; - var sources = []; - var meta, i, el, source; - - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - el = meta.dataset; - source = null; - - if (el && el._model && el instanceof elements.Line) { - source = { - visible: chart.isDatasetVisible(i), - fill: decodeFill(el, i, count), - chart: chart, - el: el - }; - } - - meta.$filler = source; - sources.push(source); - } - - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source) { - continue; - } - - source.fill = resolveTarget(sources, i, propagate); - source.boundary = computeBoundary(source); - source.mapper = createMapper(source); - } - }, - - beforeDatasetDraw: function (chart, args) { - var meta = args.meta.$filler; - if (!meta) { - return; - } - - var ctx = chart.ctx; - var el = meta.el; - var view = el._view; - var points = el._children || []; - var mapper = meta.mapper; - var color = view.backgroundColor || defaults.global.defaultColor; - - if (mapper && color && points.length) { - helpers.canvas.clipArea(ctx, chart.chartArea); - doFill(ctx, points, mapper, view, color, el._loop); - helpers.canvas.unclipArea(ctx); - } - } - }; - - }, { "25": 25, "40": 40, "45": 45 }], 51: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - var layouts = require(30); - - var noop = helpers.noop; - - defaults._set('global', { - legend: { - display: true, - position: 'top', - fullWidth: true, - reverse: false, - weight: 1000, - - // a callback that will handle - onClick: function (e, legendItem) { - var index = legendItem.datasetIndex; - var ci = this.chart; - var meta = ci.getDatasetMeta(index); - - // See controller.isDatasetVisible comment - meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; - - // We hid a dataset ... rerender the chart - ci.update(); - }, - - onHover: null, - - labels: { - boxWidth: 40, - padding: 10, - // Generates labels shown in the legend - // Valid properties to return: - // text : text to display - // fillStyle : fill of coloured box - // strokeStyle: stroke of coloured box - // hidden : if this legend item refers to a hidden item - // lineCap : cap style for line - // lineDash - // lineDashOffset : - // lineJoin : - // lineWidth : - generateLabels: function (chart) { - var data = chart.data; - return helpers.isArray(data.datasets) ? data.datasets.map(function (dataset, i) { - return { - text: dataset.label, - fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), - hidden: !chart.isDatasetVisible(i), - lineCap: dataset.borderCapStyle, - lineDash: dataset.borderDash, - lineDashOffset: dataset.borderDashOffset, - lineJoin: dataset.borderJoinStyle, - lineWidth: dataset.borderWidth, - strokeStyle: dataset.borderColor, - pointStyle: dataset.pointStyle, - - // Below is extra data used for toggling the datasets - datasetIndex: i - }; - }, this) : []; - } - } - }, - - legendCallback: function (chart) { - var text = []; - text.push('
    '); - for (var i = 0; i < chart.data.datasets.length; i++) { - text.push('
  • '); - if (chart.data.datasets[i].label) { - text.push(chart.data.datasets[i].label); - } - text.push('
    • '); - } - text.push('
'); - return text.join(''); - } - }); - - /** - * Helper function to get the box width based on the usePointStyle option - * @param labelopts {Object} the label options on the legend - * @param fontSize {Number} the label font size - * @return {Number} width of the color box area - */ - function getBoxWidth(labelOpts, fontSize) { - return labelOpts.usePointStyle ? - fontSize * Math.SQRT2 : - labelOpts.boxWidth; - } - - /** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ - var Legend = Element.extend({ - - initialize: function (config) { - helpers.extend(this, config); - - // Contains hit boxes for each dataset (in dataset order) - this.legendHitBoxes = []; - - // Are we in doughnut mode which has a different data type - this.doughnutMode = false; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - // Any function defined here is inherited by all legend types. - // Any function can be extended by the legend type - - beforeUpdate: noop, - update: function (maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - }, - afterUpdate: noop, - - // - - beforeSetDimensions: noop, - setDimensions: function () { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop, - - // - - beforeBuildLabels: noop, - buildLabels: function () { - var me = this; - var labelOpts = me.options.labels || {}; - var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || []; - - if (labelOpts.filter) { - legendItems = legendItems.filter(function (item) { - return labelOpts.filter(item, me.chart.data); - }); - } - - if (me.options.reverse) { - legendItems.reverse(); - } - - me.legendItems = legendItems; - }, - afterBuildLabels: noop, - - // - - beforeFit: noop, - fit: function () { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var display = opts.display; - - var ctx = me.ctx; - - var globalDefault = defaults.global; - var valueOrDefault = helpers.valueOrDefault; - var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize); - var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle); - var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily); - var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); - - // Reset hit boxes - var hitboxes = me.legendHitBoxes = []; - - var minSize = me.minSize; - var isHorizontal = me.isHorizontal(); - - if (isHorizontal) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = display ? 10 : 0; - } else { - minSize.width = display ? 10 : 0; - minSize.height = me.maxHeight; // fill all the height - } - - // Increase sizes here - if (display) { - ctx.font = labelFont; - - if (isHorizontal) { - // Labels - - // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one - var lineWidths = me.lineWidths = [0]; - var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0; - - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; - - helpers.each(me.legendItems, function (legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) { - totalHeight += fontSize + (labelOpts.padding); - lineWidths[lineWidths.length] = me.left; - } - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: width, - height: fontSize - }; - - lineWidths[lineWidths.length - 1] += width + labelOpts.padding; - }); - - minSize.height += totalHeight; - - } else { - var vPadding = labelOpts.padding; - var columnWidths = me.columnWidths = []; - var totalWidth = labelOpts.padding; - var currentColWidth = 0; - var currentColHeight = 0; - var itemHeight = fontSize + vPadding; - - helpers.each(me.legendItems, function (legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - // If too tall, go to new column - if (currentColHeight + itemHeight > minSize.height) { - totalWidth += currentColWidth + labelOpts.padding; - columnWidths.push(currentColWidth); // previous column width - - currentColWidth = 0; - currentColHeight = 0; - } - - // Get max width - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight; - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: itemWidth, - height: fontSize - }; - }); - - totalWidth += currentColWidth; - columnWidths.push(currentColWidth); - minSize.width += totalWidth; - } - } - - me.width = minSize.width; - me.height = minSize.height; - }, - afterFit: noop, - - // Shared Methods - isHorizontal: function () { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - - // Actually draw the legend on the canvas - draw: function () { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var globalDefault = defaults.global; - var lineDefault = globalDefault.elements.line; - var legendWidth = me.width; - var lineWidths = me.lineWidths; - - if (opts.display) { - var ctx = me.ctx; - var valueOrDefault = helpers.valueOrDefault; - var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor); - var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize); - var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle); - var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily); - var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); - var cursor; - - // Canvas setup - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.strokeStyle = fontColor; // for strikethrough effect - ctx.fillStyle = fontColor; // render in correct colour - ctx.font = labelFont; - - var boxWidth = getBoxWidth(labelOpts, fontSize); - var hitboxes = me.legendHitBoxes; - - // current position - var drawLegendBox = function (x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0) { - return; - } - - // Set the ctx for the box - ctx.save(); - - ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor); - ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle); - ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset); - ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle); - ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth); - ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor); - var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0); - - if (ctx.setLineDash) { - // IE 9 and 10 do not support line dash - ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash)); - } - - if (opts.labels && opts.labels.usePointStyle) { - // Recalculate x and y for drawPoint() because its expecting - // x and y to be center of figure (instead of top left) - var radius = fontSize * Math.SQRT2 / 2; - var offSet = radius / Math.SQRT2; - var centerX = x + offSet; - var centerY = y + offSet; - - // Draw pointStyle as legend symbol - helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); - } else { - // Draw box as legend symbol - if (!isLineWidthZero) { - ctx.strokeRect(x, y, boxWidth, fontSize); - } - ctx.fillRect(x, y, boxWidth, fontSize); - } - - ctx.restore(); - }; - var fillText = function (x, y, legendItem, textWidth) { - var halfFontSize = fontSize / 2; - var xLeft = boxWidth + halfFontSize + x; - var yMiddle = y + halfFontSize; - - ctx.fillText(legendItem.text, xLeft, yMiddle); - - if (legendItem.hidden) { - // Strikethrough the text if hidden - ctx.beginPath(); - ctx.lineWidth = 2; - ctx.moveTo(xLeft, yMiddle); - ctx.lineTo(xLeft + textWidth, yMiddle); - ctx.stroke(); - } - }; - - // Horizontal - var isHorizontal = me.isHorizontal(); - if (isHorizontal) { - cursor = { - x: me.left + ((legendWidth - lineWidths[0]) / 2), - y: me.top + labelOpts.padding, - line: 0 - }; - } else { - cursor = { - x: me.left + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } - - var itemHeight = fontSize + labelOpts.padding; - helpers.each(me.legendItems, function (legendItem, i) { - var textWidth = ctx.measureText(legendItem.text).width; - var width = boxWidth + (fontSize / 2) + textWidth; - var x = cursor.x; - var y = cursor.y; - - if (isHorizontal) { - if (x + width >= legendWidth) { - y = cursor.y += itemHeight; - cursor.line++; - x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2); - } - } else if (y + itemHeight > me.bottom) { - x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; - y = cursor.y = me.top + labelOpts.padding; - cursor.line++; - } - - drawLegendBox(x, y, legendItem); - - hitboxes[i].left = x; - hitboxes[i].top = y; - - // Fill the actual label - fillText(x, y, legendItem, textWidth); - - if (isHorizontal) { - cursor.x += width + (labelOpts.padding); - } else { - cursor.y += itemHeight; - } - - }); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @return {Boolean} true if a change occured - */ - handleEvent: function (e) { - var me = this; - var opts = me.options; - var type = e.type === 'mouseup' ? 'click' : e.type; - var changed = false; - - if (type === 'mousemove') { - if (!opts.onHover) { - return; - } - } else if (type === 'click') { - if (!opts.onClick) { - return; - } - } else { - return; - } - - // Chart event already has relative position in it - var x = e.x; - var y = e.y; - - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - // See if we are touching one of the dataset boxes - var lh = me.legendHitBoxes; - for (var i = 0; i < lh.length; ++i) { - var hitBox = lh[i]; - - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - // Touching an element - if (type === 'click') { - // use e.native for backwards compatibility - opts.onClick.call(me, e.native, me.legendItems[i]); - changed = true; - break; - } else if (type === 'mousemove') { - // use e.native for backwards compatibility - opts.onHover.call(me, e.native, me.legendItems[i]); - changed = true; - break; - } - } - } - } - - return changed; - } - }); - - function createNewLegendAndAttach(chart, legendOpts) { - var legend = new Legend({ - ctx: chart.ctx, - options: legendOpts, - chart: chart - }); - - layouts.configure(chart, legend, legendOpts); - layouts.addBox(chart, legend); - chart.legend = legend; - } - - module.exports = { - id: 'legend', - - /** - * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making - * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Legend, - - beforeInit: function (chart) { - var legendOpts = chart.options.legend; - - if (legendOpts) { - createNewLegendAndAttach(chart, legendOpts); - } - }, - - beforeUpdate: function (chart) { - var legendOpts = chart.options.legend; - var legend = chart.legend; - - if (legendOpts) { - helpers.mergeIf(legendOpts, defaults.global.legend); - - if (legend) { - layouts.configure(chart, legend, legendOpts); - legend.options = legendOpts; - } else { - createNewLegendAndAttach(chart, legendOpts); - } - } else if (legend) { - layouts.removeBox(chart, legend); - delete chart.legend; - } - }, - - afterEvent: function (chart, e) { - var legend = chart.legend; - if (legend) { - legend.handleEvent(e); - } - } - }; - - }, { "25": 25, "26": 26, "30": 30, "45": 45 }], 52: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var Element = require(26); - var helpers = require(45); - var layouts = require(30); - - var noop = helpers.noop; - - defaults._set('global', { - title: { - display: false, - fontStyle: 'bold', - fullWidth: true, - lineHeight: 1.2, - padding: 10, - position: 'top', - text: '', - weight: 2000 // by default greater than legend (1000) to be above - } - }); - - /** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ - var Title = Element.extend({ - initialize: function (config) { - var me = this; - helpers.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - - beforeUpdate: noop, - update: function (maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: noop, - - // - - beforeSetDimensions: noop, - setDimensions: function () { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop, - - // - - beforeBuildLabels: noop, - buildLabels: noop, - afterBuildLabels: noop, - - // - - beforeFit: noop, - fit: function () { - var me = this; - var valueOrDefault = helpers.valueOrDefault; - var opts = me.options; - var display = opts.display; - var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize); - var minSize = me.minSize; - var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1; - var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize); - var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0; - - if (me.isHorizontal()) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = textSize; - } else { - minSize.width = textSize; - minSize.height = me.maxHeight; // fill all the height - } - - me.width = minSize.width; - me.height = minSize.height; - - }, - afterFit: noop, - - // Shared Methods - isHorizontal: function () { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - - // Actually draw the title block on the canvas - draw: function () { - var me = this; - var ctx = me.ctx; - var valueOrDefault = helpers.valueOrDefault; - var opts = me.options; - var globalDefaults = defaults.global; - - if (opts.display) { - var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize); - var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle); - var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily); - var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily); - var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize); - var offset = lineHeight / 2 + opts.padding; - var rotation = 0; - var top = me.top; - var left = me.left; - var bottom = me.bottom; - var right = me.right; - var maxWidth, titleX, titleY; - - ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour - ctx.font = titleFont; - - // Horizontal - if (me.isHorizontal()) { - titleX = left + ((right - left) / 2); // midpoint of the width - titleY = top + offset; - maxWidth = right - left; - } else { - titleX = opts.position === 'left' ? left + offset : right - offset; - titleY = top + ((bottom - top) / 2); - maxWidth = bottom - top; - rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); - } - - ctx.save(); - ctx.translate(titleX, titleY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - var text = opts.text; - if (helpers.isArray(text)) { - var y = 0; - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], 0, y, maxWidth); - y += lineHeight; - } - } else { - ctx.fillText(text, 0, 0, maxWidth); - } - - ctx.restore(); - } - } - }); - - function createNewTitleBlockAndAttach(chart, titleOpts) { - var title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart: chart - }); - - layouts.configure(chart, title, titleOpts); - layouts.addBox(chart, title); - chart.titleBlock = title; - } - - module.exports = { - id: 'title', - - /** - * Backward compatibility: since 2.1.5, the title is registered as a plugin, making - * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Title, - - beforeInit: function (chart) { - var titleOpts = chart.options.title; - - if (titleOpts) { - createNewTitleBlockAndAttach(chart, titleOpts); - } - }, - - beforeUpdate: function (chart) { - var titleOpts = chart.options.title; - var titleBlock = chart.titleBlock; - - if (titleOpts) { - helpers.mergeIf(titleOpts, defaults.global.title); - - if (titleBlock) { - layouts.configure(chart, titleBlock, titleOpts); - titleBlock.options = titleOpts; - } else { - createNewTitleBlockAndAttach(chart, titleOpts); - } - } else if (titleBlock) { - layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - } - } - }; - - }, { "25": 25, "26": 26, "30": 30, "45": 45 }], 53: [function (require, module, exports) { - 'use strict'; - - module.exports = function (Chart) { - - // Default config for a category scale - var defaultConfig = { - position: 'bottom' - }; - - var DatasetScale = Chart.Scale.extend({ - /** - * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those - * else fall back to data.labels - * @private - */ - getLabels: function () { - var data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; - }, - - determineDataLimits: function () { - var me = this; - var labels = me.getLabels(); - me.minIndex = 0; - me.maxIndex = labels.length - 1; - var findIndex; - - if (me.options.ticks.min !== undefined) { - // user specified min value - findIndex = labels.indexOf(me.options.ticks.min); - me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; - } - - if (me.options.ticks.max !== undefined) { - // user specified max value - findIndex = labels.indexOf(me.options.ticks.max); - me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; - } - - me.min = labels[me.minIndex]; - me.max = labels[me.maxIndex]; - }, - - buildTicks: function () { - var me = this; - var labels = me.getLabels(); - // If we are viewing some subset of labels, slice the original array - me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); - }, - - getLabelForIndex: function (index, datasetIndex) { - var me = this; - var data = me.chart.data; - var isHorizontal = me.isHorizontal(); - - if (data.yLabels && !isHorizontal) { - return me.getRightValue(data.datasets[datasetIndex].data[index]); - } - return me.ticks[index - me.minIndex]; - }, - - // Used to get data value locations. Value can either be an index or a numerical value - getPixelForValue: function (value, index) { - var me = this; - var offset = me.options.offset; - // 1 is added because we need the length but we have the indexes - var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); - - // If value is a data object, then index is the index in the data array, - // not the index of the scale. We need to change that. - var valueCategory; - if (value !== undefined && value !== null) { - valueCategory = me.isHorizontal() ? value.x : value.y; - } - if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { - var labels = me.getLabels(); - value = valueCategory || value; - var idx = labels.indexOf(value); - index = idx !== -1 ? idx : index; - } - - if (me.isHorizontal()) { - var valueWidth = me.width / offsetAmt; - var widthOffset = (valueWidth * (index - me.minIndex)); - - if (offset) { - widthOffset += (valueWidth / 2); - } - - return me.left + Math.round(widthOffset); - } - var valueHeight = me.height / offsetAmt; - var heightOffset = (valueHeight * (index - me.minIndex)); - - if (offset) { - heightOffset += (valueHeight / 2); - } - - return me.top + Math.round(heightOffset); - }, - getPixelForTick: function (index) { - return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); - }, - getValueForPixel: function (pixel) { - var me = this; - var offset = me.options.offset; - var value; - var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var horz = me.isHorizontal(); - var valueDimension = (horz ? me.width : me.height) / offsetAmt; - - pixel -= horz ? me.left : me.top; - - if (offset) { - pixel -= (valueDimension / 2); - } - - if (pixel <= 0) { - value = 0; - } else { - value = Math.round(pixel / valueDimension); - } - - return value + me.minIndex; - }, - getBasePixel: function () { - return this.bottom; - } - }); - - Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig); - - }; - - }, {}], 54: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var helpers = require(45); - var Ticks = require(34); - - module.exports = function (Chart) { - - var defaultConfig = { - position: 'left', - ticks: { - callback: Ticks.formatters.linear - } - }; - - var LinearScale = Chart.LinearScaleBase.extend({ - - determineDataLimits: function () { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - var DEFAULT_MIN = 0; - var DEFAULT_MAX = 1; - - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // First Calculate the range - me.min = null; - me.max = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers.each(datasets, function (dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers.each(datasets, function (dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = { - positiveValues: [], - negativeValues: [] - }; - } - - // Store these per type - var positiveValues = valuesPerStack[key].positiveValues; - var negativeValues = valuesPerStack[key].negativeValues; - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers.each(dataset.data, function (rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - positiveValues[index] = positiveValues[index] || 0; - negativeValues[index] = negativeValues[index] || 0; - - if (opts.relativePoints) { - positiveValues[index] = 100; - } else if (value < 0) { - negativeValues[index] += value; - } else { - positiveValues[index] += value; - } - }); - } - }); - - helpers.each(valuesPerStack, function (valuesForType) { - var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); - var minVal = helpers.min(values); - var maxVal = helpers.max(values); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - }); - - } else { - helpers.each(datasets, function (dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers.each(dataset.data, function (rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - }); - } - }); - } - - me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; - me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - this.handleTickRangeOptions(); - }, - getTickLimit: function () { - var maxTicks; - var me = this; - var tickOpts = me.options.ticks; - - if (me.isHorizontal()) { - maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50)); - } else { - // The factor of 2 used to scale the font size has been experimentally determined. - var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize); - maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize))); - } - - return maxTicks; - }, - // Called after the ticks are built. We need - handleDirectionalChanges: function () { - if (!this.isHorizontal()) { - // We are in a vertical orientation. The top value is the highest. So reverse the array - this.ticks.reverse(); - } - }, - getLabelForIndex: function (index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - // Utils - getPixelForValue: function (value) { - // This must be called after fit has been run so that - // this.left, this.top, this.right, and this.bottom have been defined - var me = this; - var start = me.start; - - var rightValue = +me.getRightValue(value); - var pixel; - var range = me.end - start; - - if (me.isHorizontal()) { - pixel = me.left + (me.width / range * (rightValue - start)); - } else { - pixel = me.bottom - (me.height / range * (rightValue - start)); - } - return pixel; - }, - getValueForPixel: function (pixel) { - var me = this; - var isHorizontal = me.isHorizontal(); - var innerDimension = isHorizontal ? me.width : me.height; - var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; - return me.start + ((me.end - me.start) * offset); - }, - getPixelForTick: function (index) { - return this.getPixelForValue(this.ticksAsNumbers[index]); - } - }); - Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig); - - }; - - }, { "25": 25, "34": 34, "45": 45 }], 55: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - - /** - * Generate a set of linear ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {Array} array of tick values - */ - function generateTicks(generationOptions, dataRange) { - var ticks = []; - // To get a "nice" value for the tick spacing, we will use the appropriately named - // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks - // for details. - - var spacing; - if (generationOptions.stepSize && generationOptions.stepSize > 0) { - spacing = generationOptions.stepSize; - } else { - var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false); - spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true); - } - var niceMin = Math.floor(dataRange.min / spacing) * spacing; - var niceMax = Math.ceil(dataRange.max / spacing) * spacing; - - // If min, max and stepSize is set and they make an evenly spaced scale use it. - if (generationOptions.min && generationOptions.max && generationOptions.stepSize) { - // If very close to our whole number, use it. - if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) { - niceMin = generationOptions.min; - niceMax = generationOptions.max; - } - } - - var numSpaces = (niceMax - niceMin) / spacing; - // If very close to our rounded value, use it. - if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - - var precision = 1; - if (spacing < 1) { - precision = Math.pow(10, spacing.toString().length - 2); - niceMin = Math.round(niceMin * precision) / precision; - niceMax = Math.round(niceMax * precision) / precision; - } - ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin); - for (var j = 1; j < numSpaces; ++j) { - ticks.push(Math.round((niceMin + j * spacing) * precision) / precision); - } - ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax); - - return ticks; - } - - - module.exports = function (Chart) { - - var noop = helpers.noop; - - Chart.LinearScaleBase = Chart.Scale.extend({ - getRightValue: function (value) { - if (typeof value === 'string') { - return +value; - } - return Chart.Scale.prototype.getRightValue.call(this, value); - }, - - handleTickRangeOptions: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, - // do nothing since that would make the chart weird. If the user really wants a weird chart - // axis, they can manually override it - if (tickOpts.beginAtZero) { - var minSign = helpers.sign(me.min); - var maxSign = helpers.sign(me.max); - - if (minSign < 0 && maxSign < 0) { - // move the top up to 0 - me.max = 0; - } else if (minSign > 0 && maxSign > 0) { - // move the bottom down to 0 - me.min = 0; - } - } - - var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; - var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; - - if (tickOpts.min !== undefined) { - me.min = tickOpts.min; - } else if (tickOpts.suggestedMin !== undefined) { - if (me.min === null) { - me.min = tickOpts.suggestedMin; - } else { - me.min = Math.min(me.min, tickOpts.suggestedMin); - } - } - - if (tickOpts.max !== undefined) { - me.max = tickOpts.max; - } else if (tickOpts.suggestedMax !== undefined) { - if (me.max === null) { - me.max = tickOpts.suggestedMax; - } else { - me.max = Math.max(me.max, tickOpts.suggestedMax); - } - } - - if (setMin !== setMax) { - // We set the min or the max but not both. - // So ensure that our range is good - // Inverted or 0 length range can happen when - // ticks.min is set, and no datasets are visible - if (me.min >= me.max) { - if (setMin) { - me.max = me.min + 1; - } else { - me.min = me.max - 1; - } - } - } - - if (me.min === me.max) { - me.max++; - - if (!tickOpts.beginAtZero) { - me.min--; - } - } - }, - getTickLimit: noop, - handleDirectionalChanges: noop, - - buildTicks: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph. Make sure we always have at least 2 ticks - var maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - - var numericGeneratorOptions = { - maxTicks: maxTicks, - min: tickOpts.min, - max: tickOpts.max, - stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) - }; - var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); - - me.handleDirectionalChanges(); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers.max(ticks); - me.min = helpers.min(ticks); - - if (tickOpts.reverse) { - ticks.reverse(); - - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - }, - convertTicksToLabels: function () { - var me = this; - me.ticksAsNumbers = me.ticks.slice(); - me.zeroLineIndex = me.ticks.indexOf(0); - - Chart.Scale.prototype.convertTicksToLabels.call(me); - } - }); - }; - - }, { "45": 45 }], 56: [function (require, module, exports) { - 'use strict'; - - var helpers = require(45); - var Ticks = require(34); - - /** - * Generate a set of logarithmic ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {Array} array of tick values - */ - function generateTicks(generationOptions, dataRange) { - var ticks = []; - var valueOrDefault = helpers.valueOrDefault; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph - var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min)))); - - var endExp = Math.floor(helpers.log10(dataRange.max)); - var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - var exp, significand; - - if (tickVal === 0) { - exp = Math.floor(helpers.log10(dataRange.minNotZero)); - significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); - - ticks.push(tickVal); - tickVal = significand * Math.pow(10, exp); - } else { - exp = Math.floor(helpers.log10(tickVal)); - significand = Math.floor(tickVal / Math.pow(10, exp)); - } - var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - - do { - ticks.push(tickVal); - - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - - var lastTick = valueOrDefault(generationOptions.max, tickVal); - ticks.push(lastTick); - - return ticks; - } - - - module.exports = function (Chart) { - - var defaultConfig = { - position: 'left', - - // label settings - ticks: { - callback: Ticks.formatters.logarithmic - } - }; - - var LogarithmicScale = Chart.Scale.extend({ - determineDataLimits: function () { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // Calculate Range - me.min = null; - me.max = null; - me.minNotZero = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers.each(datasets, function (dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers.each(datasets, function (dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = []; - } - - helpers.each(dataset.data, function (rawValue, index) { - var values = valuesPerStack[key]; - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - values[index] = values[index] || 0; - values[index] += value; - }); - } - }); - - helpers.each(valuesPerStack, function (valuesForType) { - if (valuesForType.length > 0) { - var minVal = helpers.min(valuesForType); - var maxVal = helpers.max(valuesForType); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - } - }); - - } else { - helpers.each(datasets, function (dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers.each(dataset.data, function (rawValue, index) { - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - - if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { - me.minNotZero = value; - } - }); - } - }); - } - - // Common base implementation to handle ticks.min, ticks.max - this.handleTickRangeOptions(); - }, - handleTickRangeOptions: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - var valueOrDefault = helpers.valueOrDefault; - var DEFAULT_MIN = 1; - var DEFAULT_MAX = 10; - - me.min = valueOrDefault(tickOpts.min, me.min); - me.max = valueOrDefault(tickOpts.max, me.max); - - if (me.min === me.max) { - if (me.min !== 0 && me.min !== null) { - me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1); - me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1); - } else { - me.min = DEFAULT_MIN; - me.max = DEFAULT_MAX; - } - } - if (me.min === null) { - me.min = Math.pow(10, Math.floor(helpers.log10(me.max)) - 1); - } - if (me.max === null) { - me.max = me.min !== 0 - ? Math.pow(10, Math.floor(helpers.log10(me.min)) + 1) - : DEFAULT_MAX; - } - if (me.minNotZero === null) { - if (me.min > 0) { - me.minNotZero = me.min; - } else if (me.max < 1) { - me.minNotZero = Math.pow(10, Math.floor(helpers.log10(me.max))); - } else { - me.minNotZero = DEFAULT_MIN; - } - } - }, - buildTicks: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - var reverse = !me.isHorizontal(); - - var generationOptions = { - min: tickOpts.min, - max: tickOpts.max - }; - var ticks = me.ticks = generateTicks(generationOptions, me); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers.max(ticks); - me.min = helpers.min(ticks); - - if (tickOpts.reverse) { - reverse = !reverse; - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - if (reverse) { - ticks.reverse(); - } - }, - convertTicksToLabels: function () { - this.tickValues = this.ticks.slice(); - - Chart.Scale.prototype.convertTicksToLabels.call(this); - }, - // Get the correct tooltip label - getLabelForIndex: function (index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - getPixelForTick: function (index) { - return this.getPixelForValue(this.tickValues[index]); - }, - /** - * Returns the value of the first tick. - * @param {Number} value - The minimum not zero value. - * @return {Number} The first tick value. - * @private - */ - _getFirstTickValue: function (value) { - var exp = Math.floor(helpers.log10(value)); - var significand = Math.floor(value / Math.pow(10, exp)); - - return significand * Math.pow(10, exp); - }, - getPixelForValue: function (value) { - var me = this; - var reverse = me.options.ticks.reverse; - var log10 = helpers.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var offset = 0; - var innerDimension, pixel, start, end, sign; - - value = +me.getRightValue(value); - if (reverse) { - start = me.end; - end = me.start; - sign = -1; - } else { - start = me.start; - end = me.end; - sign = 1; - } - if (me.isHorizontal()) { - innerDimension = me.width; - pixel = reverse ? me.right : me.left; - } else { - innerDimension = me.height; - sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) - pixel = reverse ? me.top : me.bottom; - } - if (value !== start) { - if (start === 0) { // include zero tick - offset = helpers.getValueOrDefault( - me.options.ticks.fontSize, - Chart.defaults.global.defaultFontSize - ); - innerDimension -= offset; - start = firstTickValue; - } - if (value !== 0) { - offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); - } - pixel += sign * offset; - } - return pixel; - }, - getValueForPixel: function (pixel) { - var me = this; - var reverse = me.options.ticks.reverse; - var log10 = helpers.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var innerDimension, start, end, value; - - if (reverse) { - start = me.end; - end = me.start; - } else { - start = me.start; - end = me.end; - } - if (me.isHorizontal()) { - innerDimension = me.width; - value = reverse ? me.right - pixel : pixel - me.left; - } else { - innerDimension = me.height; - value = reverse ? pixel - me.top : me.bottom - pixel; - } - if (value !== start) { - if (start === 0) { // include zero tick - var offset = helpers.getValueOrDefault( - me.options.ticks.fontSize, - Chart.defaults.global.defaultFontSize - ); - value -= offset; - innerDimension -= offset; - start = firstTickValue; - } - value *= log10(end) - log10(start); - value /= innerDimension; - value = Math.pow(10, log10(start) + value); - } - return value; - } - }); - Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig); - - }; - - }, { "34": 34, "45": 45 }], 57: [function (require, module, exports) { - 'use strict'; - - var defaults = require(25); - var helpers = require(45); - var Ticks = require(34); - - module.exports = function (Chart) { - - var globalDefaults = defaults.global; - - var defaultConfig = { - display: true, - - // Boolean - Whether to animate scaling the chart from the centre - animate: true, - position: 'chartArea', - - angleLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1 - }, - - gridLines: { - circular: false - }, - - // label settings - ticks: { - // Boolean - Show a backdrop to the scale label - showLabelBackdrop: true, - - // String - The colour of the label backdrop - backdropColor: 'rgba(255,255,255,0.75)', - - // Number - The backdrop padding above & below the label in pixels - backdropPaddingY: 2, - - // Number - The backdrop padding to the side of the label in pixels - backdropPaddingX: 2, - - callback: Ticks.formatters.linear - }, - - pointLabels: { - // Boolean - if true, show point labels - display: true, - - // Number - Point label font size in pixels - fontSize: 10, - - // Function - Used to convert point labels - callback: function (label) { - return label; - } - } - }; - - function getValueCount(scale) { - var opts = scale.options; - return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; - } - - function getPointLabelFontOptions(scale) { - var pointLabelOptions = scale.options.pointLabels; - var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize); - var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle); - var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily); - var font = helpers.fontString(fontSize, fontStyle, fontFamily); - - return { - size: fontSize, - style: fontStyle, - family: fontFamily, - font: font - }; - } - - function measureLabelSize(ctx, fontSize, label) { - if (helpers.isArray(label)) { - return { - w: helpers.longestText(ctx, ctx.font, label), - h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize) - }; - } - - return { - w: ctx.measureText(label).width, - h: fontSize - }; - } - - function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size - 5, - end: pos - }; - } - - return { - start: pos, - end: pos + size + 5 - }; - } - - /** - * Helper function to fit a radial linear scale with point labels - */ - function fitWithPointLabels(scale) { - /* - * Right, this is really confusing and there is a lot of maths going on here - * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - * - * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - * - * Solution: - * - * We assume the radius of the polygon is half the size of the canvas at first - * at each index we check if the text overlaps. - * - * Where it does, we store that angle and that index. - * - * After finding the largest index and angle we calculate how much we need to remove - * from the shape radius to move the point inwards by that x. - * - * We average the left and right distances to get the maximum shape radius that can fit in the box - * along with labels. - * - * Once we have that, we can find the centre point for the chart, by taking the x text protrusion - * on each side, removing that from the size, halving it and adding the left x protrusion width. - * - * This will mean we have a shape fitted to the canvas, as large as it can be with the labels - * and position it in the most space efficient manner - * - * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - */ - - var plFont = getPointLabelFontOptions(scale); - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); - var furthestLimits = { - r: scale.width, - l: 0, - t: scale.height, - b: 0 - }; - var furthestAngles = {}; - var i, textSize, pointPosition; - - scale.ctx.font = plFont.font; - scale._pointLabelSizes = []; - - var valueCount = getValueCount(scale); - for (i = 0; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, largestPossibleRadius); - textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || ''); - scale._pointLabelSizes[i] = textSize; - - // Add quarter circle to make degree 0 mean top of circle - var angleRadians = scale.getIndexAngle(i); - var angle = helpers.toDegrees(angleRadians) % 360; - var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - - scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles); - } - - /** - * Helper function to fit a radial linear scale with no point labels - */ - function fit(scale) { - var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); - scale.drawingArea = Math.round(largestPossibleRadius); - scale.setCenterPoint(0, 0, 0, 0); - } - - function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - - return 'right'; - } - - function fillText(ctx, text, position, fontSize) { - if (helpers.isArray(text)) { - var y = position.y; - var spacing = 1.5 * fontSize; - - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], position.x, y); - y += spacing; - } - } else { - ctx.fillText(text, position.x, position.y); - } - } - - function adjustPointPositionForLabelHeight(angle, textSize, position) { - if (angle === 90 || angle === 270) { - position.y -= (textSize.h / 2); - } else if (angle > 270 || angle < 90) { - position.y -= textSize.h; - } - } - - function drawPointLabels(scale) { - var ctx = scale.ctx; - var opts = scale.options; - var angleLineOpts = opts.angleLines; - var pointLabelOpts = opts.pointLabels; - - ctx.lineWidth = angleLineOpts.lineWidth; - ctx.strokeStyle = angleLineOpts.color; - - var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - - // Point Label Font - var plFont = getPointLabelFontOptions(scale); - - ctx.textBaseline = 'top'; - - for (var i = getValueCount(scale) - 1; i >= 0; i--) { - if (angleLineOpts.display) { - var outerPosition = scale.getPointPosition(i, outerDistance); - ctx.beginPath(); - ctx.moveTo(scale.xCenter, scale.yCenter); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.stroke(); - ctx.closePath(); - } - - if (pointLabelOpts.display) { - // Extra 3px out for some label spacing - var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5); - - // Keep this in loop since we may support array properties here - var pointLabelFontColor = helpers.valueAtIndexOrDefault(pointLabelOpts.fontColor, i, globalDefaults.defaultFontColor); - ctx.font = plFont.font; - ctx.fillStyle = pointLabelFontColor; - - var angleRadians = scale.getIndexAngle(i); - var angle = helpers.toDegrees(angleRadians); - ctx.textAlign = getTextAlignForAngle(angle); - adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); - fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size); - } - } - } - - function drawRadiusLine(scale, gridLineOpts, radius, index) { - var ctx = scale.ctx; - ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1); - ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1); - - if (scale.options.gridLines.circular) { - // Draw circular arcs between the points - ctx.beginPath(); - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); - ctx.closePath(); - ctx.stroke(); - } else { - // Draw straight lines connecting each index - var valueCount = getValueCount(scale); - - if (valueCount === 0) { - return; - } - - ctx.beginPath(); - var pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - - for (var i = 1; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - - ctx.closePath(); - ctx.stroke(); - } - } - - function numberOrZero(param) { - return helpers.isNumber(param) ? param : 0; - } - - var LinearRadialScale = Chart.LinearScaleBase.extend({ - setDimensions: function () { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - // Set the unconstrained dimension before label rotation - me.width = me.maxWidth; - me.height = me.maxHeight; - me.xCenter = Math.round(me.width / 2); - me.yCenter = Math.round(me.height / 2); - - var minSize = helpers.min([me.height, me.width]); - var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); - me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2); - }, - determineDataLimits: function () { - var me = this; - var chart = me.chart; - var min = Number.POSITIVE_INFINITY; - var max = Number.NEGATIVE_INFINITY; - - helpers.each(chart.data.datasets, function (dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - - helpers.each(dataset.data, function (rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - min = Math.min(value, min); - max = Math.max(value, max); - }); - } - }); - - me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); - me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - getTickLimit: function () { - var tickOpts = this.options.ticks; - var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); - return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize))); - }, - convertTicksToLabels: function () { - var me = this; - - Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me); - - // Point labels - me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); - }, - getLabelForIndex: function (index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - fit: function () { - if (this.options.pointLabels.display) { - fitWithPointLabels(this); - } else { - fit(this); - } - }, - /** - * Set radius reductions and determine new radius and center point - * @private - */ - setReductions: function (largestPossibleRadius, furthestLimits, furthestAngles) { - var me = this; - var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b); - - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - - me.drawingArea = Math.min( - Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - }, - setCenterPoint: function (leftMovement, rightMovement, topMovement, bottomMovement) { - var me = this; - var maxRight = me.width - rightMovement - me.drawingArea; - var maxLeft = leftMovement + me.drawingArea; - var maxTop = topMovement + me.drawingArea; - var maxBottom = me.height - bottomMovement - me.drawingArea; - - me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top); - }, - - getIndexAngle: function (index) { - var angleMultiplier = (Math.PI * 2) / getValueCount(this); - var startAngle = this.chart.options && this.chart.options.startAngle ? - this.chart.options.startAngle : - 0; - - var startAngleRadians = startAngle * Math.PI * 2 / 360; - - // Start from the top instead of right, so remove a quarter of the circle - return index * angleMultiplier + startAngleRadians; - }, - getDistanceFromCenterForValue: function (value) { - var me = this; - - if (value === null) { - return 0; // null always in center - } - - // Take into account half font size + the yPadding of the top value - var scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.ticks.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - }, - getPointPosition: function (index, distanceFromCenter) { - var me = this; - var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); - return { - x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter, - y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter - }; - }, - getPointPositionForValue: function (index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - }, - - getBasePosition: function () { - var me = this; - var min = me.min; - var max = me.max; - - return me.getPointPositionForValue(0, - me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0); - }, - - draw: function () { - var me = this; - var opts = me.options; - var gridLineOpts = opts.gridLines; - var tickOpts = opts.ticks; - var valueOrDefault = helpers.valueOrDefault; - - if (opts.display) { - var ctx = me.ctx; - var startAngle = this.getIndexAngle(0); - - // Tick Font - var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); - var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle); - var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily); - var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); - - helpers.each(me.ticks, function (label, index) { - // Don't draw a centre value (if it is minimum) - if (index > 0 || tickOpts.reverse) { - var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - - // Draw circular lines around the scale - if (gridLineOpts.display && index !== 0) { - drawRadiusLine(me, gridLineOpts, yCenterOffset, index); - } - - if (tickOpts.display) { - var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor); - ctx.font = tickLabelFont; - - ctx.save(); - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - - if (tickOpts.showLabelBackdrop) { - var labelWidth = ctx.measureText(label).width; - ctx.fillStyle = tickOpts.backdropColor; - ctx.fillRect( - -labelWidth / 2 - tickOpts.backdropPaddingX, - -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY, - labelWidth + tickOpts.backdropPaddingX * 2, - tickFontSize + tickOpts.backdropPaddingY * 2 - ); - } - - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = tickFontColor; - ctx.fillText(label, 0, -yCenterOffset); - ctx.restore(); - } - } - }); - - if (opts.angleLines.display || opts.pointLabels.display) { - drawPointLabels(me); - } - } - } - }); - Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig); - - }; - - }, { "25": 25, "34": 34, "45": 45 }], 58: [function (require, module, exports) { - /* global window: false */ - 'use strict'; - - var moment = require(6); - moment = typeof moment === 'function' ? moment : window.moment; - - var defaults = require(25); - var helpers = require(45); - - // Integer constants are from the ES6 spec. - var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; - var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; - - var INTERVALS = { - millisecond: { - common: true, - size: 1, - steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] - }, - second: { - common: true, - size: 1000, - steps: [1, 2, 5, 10, 30] - }, - minute: { - common: true, - size: 60000, - steps: [1, 2, 5, 10, 30] - }, - hour: { - common: true, - size: 3600000, - steps: [1, 2, 3, 6, 12] - }, - day: { - common: true, - size: 86400000, - steps: [1, 2, 5] - }, - week: { - common: false, - size: 604800000, - steps: [1, 2, 3, 4] - }, - month: { - common: true, - size: 2.628e9, - steps: [1, 2, 3] - }, - quarter: { - common: false, - size: 7.884e9, - steps: [1, 2, 3, 4] - }, - year: { - common: true, - size: 3.154e10 - } - }; - - var UNITS = Object.keys(INTERVALS); - - function sorter(a, b) { - return a - b; - } - - function arrayUnique(items) { - var hash = {}; - var out = []; - var i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - if (!hash[item]) { - hash[item] = true; - out.push(item); - } - } - - return out; - } - - /** - * Returns an array of {time, pos} objects used to interpolate a specific `time` or position - * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is - * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other - * extremity (left + width or top + height). Note that it would be more optimized to directly - * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need - * to create the lookup table. The table ALWAYS contains at least two items: min and max. - * - * @param {Number[]} timestamps - timestamps sorted from lowest to highest. - * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min - * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. - * If 'series', timestamps will be positioned at the same distance from each other. In this - * case, only timestamps that break the time linearity are registered, meaning that in the - * best case, all timestamps are linear, the table contains only min and max. - */ - function buildLookupTable(timestamps, min, max, distribution) { - if (distribution === 'linear' || !timestamps.length) { - return [ - { time: min, pos: 0 }, - { time: max, pos: 1 } - ]; - } - - var table = []; - var items = [min]; - var i, ilen, prev, curr, next; - - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr > min && curr < max) { - items.push(curr); - } - } - - items.push(max); - - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - - // only add points that breaks the scale linearity - if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { - table.push({ time: curr, pos: i / (ilen - 1) }); - } - } - - return table; - } - - // @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ - function lookup(table, key, value) { - var lo = 0; - var hi = table.length - 1; - var mid, i0, i1; - - while (lo >= 0 && lo <= hi) { - mid = (lo + hi) >> 1; - i0 = table[mid - 1] || null; - i1 = table[mid]; - - if (!i0) { - // given value is outside table (before first item) - return { lo: null, hi: i1 }; - } else if (i1[key] < value) { - lo = mid + 1; - } else if (i0[key] > value) { - hi = mid - 1; - } else { - return { lo: i0, hi: i1 }; - } - } - - // given value is outside table (after last item) - return { lo: i1, hi: null }; - } - - /** - * Linearly interpolates the given source `value` using the table items `skey` values and - * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') - * returns the position for a timestamp equal to 42. If value is out of bounds, values at - * index [0, 1] or [n - 1, n] are used for the interpolation. - */ - function interpolate(table, skey, sval, tkey) { - var range = lookup(table, skey, sval); - - // Note: the lookup table ALWAYS contains at least 2 items (min and max) - var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; - var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; - - var span = next[skey] - prev[skey]; - var ratio = span ? (sval - prev[skey]) / span : 0; - var offset = (next[tkey] - prev[tkey]) * ratio; - - return prev[tkey] + offset; - } - - /** - * Convert the given value to a moment object using the given time options. - * @see http://momentjs.com/docs/#/parsing/ - */ - function momentify(value, options) { - var parser = options.parser; - var format = options.parser || options.format; - - if (typeof parser === 'function') { - return parser(value); - } - - if (typeof value === 'string' && typeof format === 'string') { - return moment(value, format); - } - - if (!(value instanceof moment)) { - value = moment(value); - } - - if (value.isValid()) { - return value; - } - - // Labels are in an incompatible moment format and no `parser` has been provided. - // The user might still use the deprecated `format` option to convert his inputs. - if (typeof format === 'function') { - return format(value); - } - - return value; - } - - function parse(input, scale) { - if (helpers.isNullOrUndef(input)) { - return null; - } - - var options = scale.options.time; - var value = momentify(scale.getRightValue(input), options); - if (!value.isValid()) { - return null; - } - - if (options.round) { - value.startOf(options.round); - } - - return value.valueOf(); - } - - /** - * Returns the number of unit to skip to be able to display up to `capacity` number of ticks - * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. - */ - function determineStepSize(min, max, unit, capacity) { - var range = max - min; - var interval = INTERVALS[unit]; - var milliseconds = interval.size; - var steps = interval.steps; - var i, ilen, factor; - - if (!steps) { - return Math.ceil(range / (capacity * milliseconds)); - } - - for (i = 0, ilen = steps.length; i < ilen; ++i) { - factor = steps[i]; - if (Math.ceil(range / (milliseconds * factor)) <= capacity) { + if (match[3]) { + for (i = 0, l = isoTimes.length; i < l; i++) { + if (isoTimes[i][1].exec(match[3])) { + // match[2] should be 'T' or space + timeFormat = (match[2] || ' ') + isoTimes[i][0]; break; } } - - return factor; - } - - /** - * Figures out what unit results in an appropriate number of auto-generated ticks - */ - function determineUnitForAutoTicks(minUnit, min, max, capacity) { - var ilen = UNITS.length; - var i, interval, factor; - - for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - interval = INTERVALS[UNITS[i]]; - factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; - - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - - return UNITS[ilen - 1]; - } - - /** - * Figures out what unit to format a set of ticks with - */ - function determineUnitForFormatting(ticks, minUnit, min, max) { - var duration = moment.duration(moment(max).diff(moment(min))); - var ilen = UNITS.length; - var i, unit; - - for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { - unit = UNITS[i]; - if (INTERVALS[unit].common && duration.as(unit) >= ticks.length) { - return unit; - } - } - - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; - } - - function determineMajorUnit(unit) { - for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } + if (timeFormat == null) { + config._isValid = false; + return; } } - - /** - * Generates a maximum of `capacity` timestamps between min and max, rounded to the - * `minor` unit, aligned on the `major` unit and using the given scale time `options`. - * Important: this method can return ticks outside the min and max range, it's the - * responsibility of the calling code to clamp values if needed. - */ - function generate(min, max, capacity, options) { - var timeOpts = options.time; - var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); - var major = determineMajorUnit(minor); - var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize); - var weekday = minor === 'week' ? timeOpts.isoWeekday : false; - var majorTicksEnabled = options.ticks.major.enabled; - var interval = INTERVALS[minor]; - var first = moment(min); - var last = moment(max); - var ticks = []; - var time; - - if (!stepSize) { - stepSize = determineStepSize(min, max, minor, capacity); + if (!allowTime && timeFormat != null) { + config._isValid = false; + return; + } + if (match[4]) { + if (tzRegex.exec(match[4])) { + tzFormat = 'Z'; + } else { + config._isValid = false; + return; } + } + config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); + configFromStringAndFormat(config); + } else { + config._isValid = false; + } + } - // For 'week' unit, handle the first day of week option - if (weekday) { - first = first.isoWeekday(weekday); - last = last.isoWeekday(weekday); - } + // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 + var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/; - // Align first/last ticks on unit - first = first.startOf(weekday ? 'day' : minor); - last = last.startOf(weekday ? 'day' : minor); + function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { + var result = [ + untruncateYear(yearStr), + defaultLocaleMonthsShort.indexOf(monthStr), + parseInt(dayStr, 10), + parseInt(hourStr, 10), + parseInt(minuteStr, 10) + ]; - // Make sure that the last tick include max - if (last < max) { - last.add(1, minor); - } + if (secondStr) { + result.push(parseInt(secondStr, 10)); + } - time = moment(first); + return result; + } - if (majorTicksEnabled && major && !weekday && !timeOpts.round) { - // Align the first tick on the previous `minor` unit aligned on the `major` unit: - // we first aligned time on the previous `major` unit then add the number of full - // stepSize there is between first and the previous major time. - time.startOf(major); - time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor); - } + function untruncateYear(yearStr) { + var year = parseInt(yearStr, 10); + if (year <= 49) { + return 2000 + year; + } else if (year <= 999) { + return 1900 + year; + } + return year; + } - for (; time < last; time.add(stepSize, minor)) { - ticks.push(+time); - } + function preprocessRFC2822(s) { + // Remove comments and folding whitespace and replace multiple-spaces with a single space + return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); + } - ticks.push(+time); + function checkWeekday(weekdayStr, parsedInput, config) { + if (weekdayStr) { + // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check. + var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), + weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay(); + if (weekdayProvided !== weekdayActual) { + getParsingFlags(config).weekdayMismatch = true; + config._isValid = false; + return false; + } + } + return true; + } - return ticks; + var obsOffsets = { + UT: 0, + GMT: 0, + EDT: -4 * 60, + EST: -5 * 60, + CDT: -5 * 60, + CST: -6 * 60, + MDT: -6 * 60, + MST: -7 * 60, + PDT: -7 * 60, + PST: -8 * 60 + }; + + function calculateOffset(obsOffset, militaryOffset, numOffset) { + if (obsOffset) { + return obsOffsets[obsOffset]; + } else if (militaryOffset) { + // the only allowed military tz is Z + return 0; + } else { + var hm = parseInt(numOffset, 10); + var m = hm % 100, h = (hm - m) / 100; + return h * 60 + m; + } + } + + // date and time from ref 2822 format + function configFromRFC2822(config) { + var match = rfc2822.exec(preprocessRFC2822(config._i)); + if (match) { + var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]); + if (!checkWeekday(match[1], parsedArray, config)) { + return; } - /** - * Returns the right and left offsets from edges in the form of {left, right}. - * Offsets are added when the `offset` option is true. - */ - function computeOffsets(table, ticks, min, max, options) { - var left = 0; - var right = 0; - var upper, lower; + config._a = parsedArray; + config._tzm = calculateOffset(match[8], match[9], match[10]); - if (options.offset && ticks.length) { - if (!options.time.min) { - upper = ticks.length > 1 ? ticks[1] : max; - lower = ticks[0]; - left = ( - interpolate(table, 'time', upper, 'pos') - - interpolate(table, 'time', lower, 'pos') - ) / 2; - } - if (!options.time.max) { - upper = ticks[ticks.length - 1]; - lower = ticks.length > 1 ? ticks[ticks.length - 2] : min; - right = ( - interpolate(table, 'time', upper, 'pos') - - interpolate(table, 'time', lower, 'pos') - ) / 2; - } + config._d = createUTCDate.apply(null, config._a); + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + + getParsingFlags(config).rfc2822 = true; + } else { + config._isValid = false; + } + } + + // date from iso format or fallback + function configFromString(config) { + var matched = aspNetJsonRegex.exec(config._i); + + if (matched !== null) { + config._d = new Date(+matched[1]); + return; + } + + configFromISO(config); + if (config._isValid === false) { + delete config._isValid; + } else { + return; + } + + configFromRFC2822(config); + if (config._isValid === false) { + delete config._isValid; + } else { + return; + } + + // Final attempt, use Input Fallback + hooks.createFromInputFallback(config); + } + + hooks.createFromInputFallback = deprecate( + 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + + 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + + 'discouraged and will be removed in an upcoming major release. Please refer to ' + + 'http://momentjs.com/guides/#/warnings/js-date/ for more info.', + function (config) { + config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); + } + ); + + // constant that refers to the ISO standard + hooks.ISO_8601 = function () {}; + + // constant that refers to the RFC 2822 form + hooks.RFC_2822 = function () {}; + + // date from string and format string + function configFromStringAndFormat(config) { + // TODO: Move this to another part of the creation flow to prevent circular deps + if (config._f === hooks.ISO_8601) { + configFromISO(config); + return; + } + if (config._f === hooks.RFC_2822) { + configFromRFC2822(config); + return; + } + config._a = []; + getParsingFlags(config).empty = true; + + // This array is used to make a Date, either with `new Date` or `Date.UTC` + var string = '' + config._i, + i, parsedInput, tokens, token, skipped, + stringLength = string.length, + totalParsedInputLength = 0; + + tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; + + for (i = 0; i < tokens.length; i++) { + token = tokens[i]; + parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; + // console.log('token', token, 'parsedInput', parsedInput, + // 'regex', getParseRegexForToken(token, config)); + if (parsedInput) { + skipped = string.substr(0, string.indexOf(parsedInput)); + if (skipped.length > 0) { + getParsingFlags(config).unusedInput.push(skipped); } + string = string.slice(string.indexOf(parsedInput) + parsedInput.length); + totalParsedInputLength += parsedInput.length; + } + // don't parse if it's not a known token + if (formatTokenFunctions[token]) { + if (parsedInput) { + getParsingFlags(config).empty = false; + } + else { + getParsingFlags(config).unusedTokens.push(token); + } + addTimeToArrayFromToken(token, parsedInput, config); + } + else if (config._strict && !parsedInput) { + getParsingFlags(config).unusedTokens.push(token); + } + } - return { left: left, right: right }; + // add remaining unparsed input length to the string + getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength; + if (string.length > 0) { + getParsingFlags(config).unusedInput.push(string); + } + + // clear _12h flag if hour is <= 12 + if (config._a[HOUR] <= 12 && + getParsingFlags(config).bigHour === true && + config._a[HOUR] > 0) { + getParsingFlags(config).bigHour = undefined; + } + + getParsingFlags(config).parsedDateParts = config._a.slice(0); + getParsingFlags(config).meridiem = config._meridiem; + // handle meridiem + config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); + + configFromArray(config); + checkOverflow(config); + } + + + function meridiemFixWrap (locale, hour, meridiem) { + var isPm; + + if (meridiem == null) { + // nothing to do + return hour; + } + if (locale.meridiemHour != null) { + return locale.meridiemHour(hour, meridiem); + } else if (locale.isPM != null) { + // Fallback + isPm = locale.isPM(meridiem); + if (isPm && hour < 12) { + hour += 12; + } + if (!isPm && hour === 12) { + hour = 0; + } + return hour; + } else { + // this is not supposed to happen + return hour; + } + } + + // date from string and array of format strings + function configFromStringAndArray(config) { + var tempConfig, + bestMoment, + + scoreToBeat, + i, + currentScore; + + if (config._f.length === 0) { + getParsingFlags(config).invalidFormat = true; + config._d = new Date(NaN); + return; + } + + for (i = 0; i < config._f.length; i++) { + currentScore = 0; + tempConfig = copyConfig({}, config); + if (config._useUTC != null) { + tempConfig._useUTC = config._useUTC; + } + tempConfig._f = config._f[i]; + configFromStringAndFormat(tempConfig); + + if (!isValid(tempConfig)) { + continue; } - function ticksFromTimestamps(values, majorUnit) { - var ticks = []; - var i, ilen, value, major; + // if there is any input that was not parsed add a penalty for that format + currentScore += getParsingFlags(tempConfig).charsLeftOver; - for (i = 0, ilen = values.length; i < ilen; ++i) { - value = values[i]; - major = majorUnit ? value === +moment(value).startOf(majorUnit) : false; + //or tokens + currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; - ticks.push({ - value: value, - major: major - }); + getParsingFlags(tempConfig).score = currentScore; + + if (scoreToBeat == null || currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } + + extend(config, bestMoment || tempConfig); + } + + function configFromObject(config) { + if (config._d) { + return; + } + + var i = normalizeObjectUnits(config._i); + config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) { + return obj && parseInt(obj, 10); + }); + + configFromArray(config); + } + + function createFromConfig (config) { + var res = new Moment(checkOverflow(prepareConfig(config))); + if (res._nextDay) { + // Adding is smart enough around DST + res.add(1, 'd'); + res._nextDay = undefined; + } + + return res; + } + + function prepareConfig (config) { + var input = config._i, + format = config._f; + + config._locale = config._locale || getLocale(config._l); + + if (input === null || (format === undefined && input === '')) { + return createInvalid({nullInput: true}); + } + + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); + } + + if (isMoment(input)) { + return new Moment(checkOverflow(input)); + } else if (isDate(input)) { + config._d = input; + } else if (isArray(format)) { + configFromStringAndArray(config); + } else if (format) { + configFromStringAndFormat(config); + } else { + configFromInput(config); + } + + if (!isValid(config)) { + config._d = null; + } + + return config; + } + + function configFromInput(config) { + var input = config._i; + if (isUndefined(input)) { + config._d = new Date(hooks.now()); + } else if (isDate(input)) { + config._d = new Date(input.valueOf()); + } else if (typeof input === 'string') { + configFromString(config); + } else if (isArray(input)) { + config._a = map(input.slice(0), function (obj) { + return parseInt(obj, 10); + }); + configFromArray(config); + } else if (isObject(input)) { + configFromObject(config); + } else if (isNumber(input)) { + // from milliseconds + config._d = new Date(input); + } else { + hooks.createFromInputFallback(config); + } + } + + function createLocalOrUTC (input, format, locale, strict, isUTC) { + var c = {}; + + if (locale === true || locale === false) { + strict = locale; + locale = undefined; + } + + if ((isObject(input) && isObjectEmpty(input)) || + (isArray(input) && input.length === 0)) { + input = undefined; + } + // object construction must be done this way. + // https://github.com/moment/moment/issues/1423 + c._isAMomentObject = true; + c._useUTC = c._isUTC = isUTC; + c._l = locale; + c._i = input; + c._f = format; + c._strict = strict; + + return createFromConfig(c); + } + + function createLocal (input, format, locale, strict) { + return createLocalOrUTC(input, format, locale, strict, false); + } + + var prototypeMin = deprecate( + 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', + function () { + var other = createLocal.apply(null, arguments); + if (this.isValid() && other.isValid()) { + return other < this ? this : other; + } else { + return createInvalid(); + } + } + ); + + var prototypeMax = deprecate( + 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', + function () { + var other = createLocal.apply(null, arguments); + if (this.isValid() && other.isValid()) { + return other > this ? this : other; + } else { + return createInvalid(); + } + } + ); + + // Pick a moment m from moments so that m[fn](other) is true for all + // other. This relies on the function fn to be transitive. + // + // moments should either be an array of moment objects or an array, whose + // first element is an array of moment objects. + function pickBy(fn, moments) { + var res, i; + if (moments.length === 1 && isArray(moments[0])) { + moments = moments[0]; + } + if (!moments.length) { + return createLocal(); + } + res = moments[0]; + for (i = 1; i < moments.length; ++i) { + if (!moments[i].isValid() || moments[i][fn](res)) { + res = moments[i]; + } + } + return res; + } + + // TODO: Use [].sort instead? + function min () { + var args = [].slice.call(arguments, 0); + + return pickBy('isBefore', args); + } + + function max () { + var args = [].slice.call(arguments, 0); + + return pickBy('isAfter', args); + } + + var now = function () { + return Date.now ? Date.now() : +(new Date()); + }; + + var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond']; + + function isDurationValid(m) { + for (var key in m) { + if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) { + return false; + } + } + + var unitHasDecimal = false; + for (var i = 0; i < ordering.length; ++i) { + if (m[ordering[i]]) { + if (unitHasDecimal) { + return false; // only allow non-integers for smallest unit } + if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { + unitHasDecimal = true; + } + } + } - return ticks; + return true; + } + + function isValid$1() { + return this._isValid; + } + + function createInvalid$1() { + return createDuration(NaN); + } + + function Duration (duration) { + var normalizedInput = normalizeObjectUnits(duration), + years = normalizedInput.year || 0, + quarters = normalizedInput.quarter || 0, + months = normalizedInput.month || 0, + weeks = normalizedInput.week || 0, + days = normalizedInput.day || 0, + hours = normalizedInput.hour || 0, + minutes = normalizedInput.minute || 0, + seconds = normalizedInput.second || 0, + milliseconds = normalizedInput.millisecond || 0; + + this._isValid = isDurationValid(normalizedInput); + + // representation for dateAddRemove + this._milliseconds = +milliseconds + + seconds * 1e3 + // 1000 + minutes * 6e4 + // 1000 * 60 + hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 + // Because of dateAddRemove treats 24 hours as different from a + // day when working around DST, we need to store them separately + this._days = +days + + weeks * 7; + // It is impossible to translate months into days without knowing + // which months you are are talking about, so we have to store + // it separately. + this._months = +months + + quarters * 3 + + years * 12; + + this._data = {}; + + this._locale = getLocale(); + + this._bubble(); + } + + function isDuration (obj) { + return obj instanceof Duration; + } + + function absRound (number) { + if (number < 0) { + return Math.round(-1 * number) * -1; + } else { + return Math.round(number); + } + } + + // FORMATTING + + function offset (token, separator) { + addFormatToken(token, 0, 0, function () { + var offset = this.utcOffset(); + var sign = '+'; + if (offset < 0) { + offset = -offset; + sign = '-'; + } + return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); + }); + } + + offset('Z', ':'); + offset('ZZ', ''); + + // PARSING + + addRegexToken('Z', matchShortOffset); + addRegexToken('ZZ', matchShortOffset); + addParseToken(['Z', 'ZZ'], function (input, array, config) { + config._useUTC = true; + config._tzm = offsetFromString(matchShortOffset, input); + }); + + // HELPERS + + // timezone chunker + // '+10:00' > ['10', '00'] + // '-1530' > ['-15', '30'] + var chunkOffset = /([\+\-]|\d\d)/gi; + + function offsetFromString(matcher, string) { + var matches = (string || '').match(matcher); + + if (matches === null) { + return null; + } + + var chunk = matches[matches.length - 1] || []; + var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; + var minutes = +(parts[1] * 60) + toInt(parts[2]); + + return minutes === 0 ? + 0 : + parts[0] === '+' ? minutes : -minutes; + } + + // Return a moment from input, that is local/utc/zone equivalent to model. + function cloneWithOffset(input, model) { + var res, diff; + if (model._isUTC) { + res = model.clone(); + diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); + // Use low-level api, because this fn is low-level api. + res._d.setTime(res._d.valueOf() + diff); + hooks.updateOffset(res, false); + return res; + } else { + return createLocal(input).local(); + } + } + + function getDateOffset (m) { + // On Firefox.24 Date#getTimezoneOffset returns a floating point. + // https://github.com/moment/moment/pull/1871 + return -Math.round(m._d.getTimezoneOffset() / 15) * 15; + } + + // HOOKS + + // This function will be called whenever a moment is mutated. + // It is intended to keep the offset in sync with the timezone. + hooks.updateOffset = function () {}; + + // MOMENTS + + // keepLocalTime = true means only change the timezone, without + // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> + // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset + // +0200, so we adjust the time as needed, to be valid. + // + // Keeping the time actually adds/subtracts (one hour) + // from the actual represented time. That is why we call updateOffset + // a second time. In case it wants us to change the offset again + // _changeInProgress == true case, then we have to adjust, because + // there is no such time in the given timezone. + function getSetOffset (input, keepLocalTime, keepMinutes) { + var offset = this._offset || 0, + localAdjust; + if (!this.isValid()) { + return input != null ? this : NaN; + } + if (input != null) { + if (typeof input === 'string') { + input = offsetFromString(matchShortOffset, input); + if (input === null) { + return this; + } + } else if (Math.abs(input) < 16 && !keepMinutes) { + input = input * 60; + } + if (!this._isUTC && keepLocalTime) { + localAdjust = getDateOffset(this); + } + this._offset = input; + this._isUTC = true; + if (localAdjust != null) { + this.add(localAdjust, 'm'); + } + if (offset !== input) { + if (!keepLocalTime || this._changeInProgress) { + addSubtract(this, createDuration(input - offset, 'm'), 1, false); + } else if (!this._changeInProgress) { + this._changeInProgress = true; + hooks.updateOffset(this, true); + this._changeInProgress = null; + } + } + return this; + } else { + return this._isUTC ? offset : getDateOffset(this); + } + } + + function getSetZone (input, keepLocalTime) { + if (input != null) { + if (typeof input !== 'string') { + input = -input; } - function determineLabelFormat(data, timeOpts) { - var i, momentDate, hasTime; - var ilen = data.length; + this.utcOffset(input, keepLocalTime); - // find the label with the most parts (milliseconds, minutes, etc.) - // format all labels with the same level of detail as the most specific label - for (i = 0; i < ilen; i++) { - momentDate = momentify(data[i], timeOpts); - if (momentDate.millisecond() !== 0) { - return 'MMM D, YYYY h:mm:ss.SSS a'; - } - if (momentDate.second() !== 0 || momentDate.minute() !== 0 || momentDate.hour() !== 0) { - hasTime = true; - } - } - if (hasTime) { - return 'MMM D, YYYY h:mm:ss a'; - } - return 'MMM D, YYYY'; + return this; + } else { + return -this.utcOffset(); + } + } + + function setOffsetToUTC (keepLocalTime) { + return this.utcOffset(0, keepLocalTime); + } + + function setOffsetToLocal (keepLocalTime) { + if (this._isUTC) { + this.utcOffset(0, keepLocalTime); + this._isUTC = false; + + if (keepLocalTime) { + this.subtract(getDateOffset(this), 'm'); } + } + return this; + } - module.exports = function (Chart) { + function setOffsetToParsedOffset () { + if (this._tzm != null) { + this.utcOffset(this._tzm, false, true); + } else if (typeof this._i === 'string') { + var tZone = offsetFromString(matchOffset, this._i); + if (tZone != null) { + this.utcOffset(tZone); + } + else { + this.utcOffset(0, true); + } + } + return this; + } - var defaultConfig = { - position: 'bottom', + function hasAlignedHourOffset (input) { + if (!this.isValid()) { + return false; + } + input = input ? createLocal(input).utcOffset() : 0; - /** - * Data distribution along the scale: - * - 'linear': data are spread according to their time (distances can vary), - * - 'series': data are spread at the same distance from each other. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - distribution: 'linear', + return (this.utcOffset() - input) % 60 === 0; + } - /** - * Scale boundary strategy (bypassed by min/max time options) - * - `data`: make sure data are fully visible, ticks outside are removed - * - `ticks`: make sure ticks are fully visible, data outside are truncated - * @see https://github.com/chartjs/Chart.js/pull/4556 - * @since 2.7.0 - */ - bounds: 'data', + function isDaylightSavingTime () { + return ( + this.utcOffset() > this.clone().month(0).utcOffset() || + this.utcOffset() > this.clone().month(5).utcOffset() + ); + } - time: { - parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment - format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/ - unit: false, // false == automatic or override with week, month, year, etc. - round: false, // none, or override with week, month, year, etc. - displayFormat: false, // DEPRECATED - isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/ - minUnit: 'millisecond', + function isDaylightSavingTimeShifted () { + if (!isUndefined(this._isDSTShifted)) { + return this._isDSTShifted; + } - // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/ - displayFormats: { - millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM, - second: 'h:mm:ss a', // 11:20:01 AM - minute: 'h:mm a', // 11:20 AM - hour: 'hA', // 5PM - day: 'MMM D', // Sep 4 - week: 'll', // Week 46, or maybe "[W]WW - YYYY" ? - month: 'MMM YYYY', // Sept 2015 - quarter: '[Q]Q - YYYY', // Q3 - year: 'YYYY' // 2015 - }, - }, - ticks: { - autoSkip: false, + var c = {}; - /** - * Ticks generation input values: - * - 'auto': generates "optimal" ticks based on scale size and time options. - * - 'data': generates ticks from data (including labels from data {t|x|y} objects). - * - 'labels': generates ticks from user given `data.labels` values ONLY. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - source: 'auto', + copyConfig(c, this); + c = prepareConfig(c); - major: { - enabled: false - } - } - }; + if (c._a) { + var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); + this._isDSTShifted = this.isValid() && + compareArrays(c._a, other.toArray()) > 0; + } else { + this._isDSTShifted = false; + } - var TimeScale = Chart.Scale.extend({ - initialize: function () { - if (!moment) { - throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com'); - } + return this._isDSTShifted; + } - this.mergeTicksOptions(); + function isLocal () { + return this.isValid() ? !this._isUTC : false; + } - Chart.Scale.prototype.initialize.call(this); - }, + function isUtcOffset () { + return this.isValid() ? this._isUTC : false; + } - update: function () { - var me = this; - var options = me.options; + function isUtc () { + return this.isValid() ? this._isUTC && this._offset === 0 : false; + } - // DEPRECATIONS: output a message only one time per update - if (options.time && options.time.format) { - console.warn('options.time.format is deprecated and replaced by options.time.parser.'); - } + // ASP.NET json date format regex + var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/; - return Chart.Scale.prototype.update.apply(me, arguments); - }, + // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html + // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere + // and further modified to allow for strings containing both week and day + var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; - /** - * Allows data to be referenced via 't' attribute - */ - getRightValue: function (rawValue) { - if (rawValue && rawValue.t !== undefined) { - rawValue = rawValue.t; - } - return Chart.Scale.prototype.getRightValue.call(this, rawValue); - }, + function createDuration (input, key) { + var duration = input, + // matching against regexp is expensive, do it on demand + match = null, + sign, + ret, + diffRes; - determineDataLimits: function () { - var me = this; - var chart = me.chart; - var timeOpts = me.options.time; - var unit = timeOpts.unit || 'day'; - var min = MAX_INTEGER; - var max = MIN_INTEGER; - var timestamps = []; - var datasets = []; - var labels = []; - var i, j, ilen, jlen, data, timestamp; - - // Convert labels to timestamps - for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) { - labels.push(parse(chart.data.labels[i], me)); - } - - // Convert data to timestamps - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - data = chart.data.datasets[i].data; - - // Let's consider that all data have the same format. - if (helpers.isObject(data[0])) { - datasets[i] = []; - - for (j = 0, jlen = data.length; j < jlen; ++j) { - timestamp = parse(data[j], me); - timestamps.push(timestamp); - datasets[i][j] = timestamp; - } - } else { - timestamps.push.apply(timestamps, labels); - datasets[i] = labels.slice(0); - } - } else { - datasets[i] = []; - } - } - - if (labels.length) { - // Sort labels **after** data have been converted - labels = arrayUnique(labels).sort(sorter); - min = Math.min(min, labels[0]); - max = Math.max(max, labels[labels.length - 1]); - } - - if (timestamps.length) { - timestamps = arrayUnique(timestamps).sort(sorter); - min = Math.min(min, timestamps[0]); - max = Math.max(max, timestamps[timestamps.length - 1]); - } - - min = parse(timeOpts.min, me) || min; - max = parse(timeOpts.max, me) || max; - - // In case there is no valid min/max, set limits based on unit time option - min = min === MAX_INTEGER ? +moment().startOf(unit) : min; - max = max === MIN_INTEGER ? +moment().endOf(unit) + 1 : max; - - // Make sure that max is strictly higher than min (required by the lookup table) - me.min = Math.min(min, max); - me.max = Math.max(min + 1, max); - - // PRIVATE - me._horizontal = me.isHorizontal(); - me._table = []; - me._timestamps = { - data: timestamps, - datasets: datasets, - labels: labels - }; - }, - - buildTicks: function () { - var me = this; - var min = me.min; - var max = me.max; - var options = me.options; - var timeOpts = options.time; - var timestamps = []; - var ticks = []; - var i, ilen, timestamp; - - switch (options.ticks.source) { - case 'data': - timestamps = me._timestamps.data; - break; - case 'labels': - timestamps = me._timestamps.labels; - break; - case 'auto': - default: - timestamps = generate(min, max, me.getLabelCapacity(min), options); - } - - if (options.bounds === 'ticks' && timestamps.length) { - min = timestamps[0]; - max = timestamps[timestamps.length - 1]; - } - - // Enforce limits with user min/max options - min = parse(timeOpts.min, me) || min; - max = parse(timeOpts.max, me) || max; - - // Remove ticks outside the min/max range - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - timestamp = timestamps[i]; - if (timestamp >= min && timestamp <= max) { - ticks.push(timestamp); - } - } - - me.min = min; - me.max = max; - - // PRIVATE - me._unit = timeOpts.unit || determineUnitForFormatting(ticks, timeOpts.minUnit, me.min, me.max); - me._majorUnit = determineMajorUnit(me._unit); - me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); - me._offsets = computeOffsets(me._table, ticks, min, max, options); - me._labelFormat = determineLabelFormat(me._timestamps.data, timeOpts); - - return ticksFromTimestamps(ticks, me._majorUnit); - }, - - getLabelForIndex: function (index, datasetIndex) { - var me = this; - var data = me.chart.data; - var timeOpts = me.options.time; - var label = data.labels && index < data.labels.length ? data.labels[index] : ''; - var value = data.datasets[datasetIndex].data[index]; - - if (helpers.isObject(value)) { - label = me.getRightValue(value); - } - if (timeOpts.tooltipFormat) { - return momentify(label, timeOpts).format(timeOpts.tooltipFormat); - } - if (typeof label === 'string') { - return label; - } - - return momentify(label, timeOpts).format(me._labelFormat); - }, - - /** - * Function to format an individual tick mark - * @private - */ - tickFormatFunction: function (tick, index, ticks, formatOverride) { - var me = this; - var options = me.options; - var time = tick.valueOf(); - var formats = options.time.displayFormats; - var minorFormat = formats[me._unit]; - var majorUnit = me._majorUnit; - var majorFormat = formats[majorUnit]; - var majorTime = tick.clone().startOf(majorUnit).valueOf(); - var majorTickOpts = options.ticks.major; - var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; - var label = tick.format(formatOverride ? formatOverride : major ? majorFormat : minorFormat); - var tickOpts = major ? majorTickOpts : options.ticks.minor; - var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback); - - return formatter ? formatter(label, index, ticks) : label; - }, - - convertTicksToLabels: function (ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks)); - } - - return labels; - }, - - /** - * @private - */ - getPixelForOffset: function (time) { - var me = this; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? me.left : me.top; - var pos = interpolate(me._table, 'time', time, 'pos'); - - return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right); - }, - - getPixelForValue: function (value, index, datasetIndex) { - var me = this; - var time = null; - - if (index !== undefined && datasetIndex !== undefined) { - time = me._timestamps.datasets[datasetIndex][index]; - } - - if (time === null) { - time = parse(value, me); - } - - if (time !== null) { - return me.getPixelForOffset(time); - } - }, - - getPixelForTick: function (index) { - var ticks = this.getTicks(); - return index >= 0 && index < ticks.length ? - this.getPixelForOffset(ticks[index].value) : - null; - }, - - getValueForPixel: function (pixel) { - var me = this; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? me.left : me.top; - var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right; - var time = interpolate(me._table, 'pos', pos, 'time'); - - return moment(time); - }, - - /** - * Crude approximation of what the label width might be - * @private - */ - getLabelWidth: function (label) { - var me = this; - var ticksOpts = me.options.ticks; - var tickLabelWidth = me.ctx.measureText(label).width; - var angle = helpers.toRadians(ticksOpts.maxRotation); - var cosRotation = Math.cos(angle); - var sinRotation = Math.sin(angle); - var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize); - - return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); - }, - - /** - * @private - */ - getLabelCapacity: function (exampleTime) { - var me = this; - - var formatOverride = me.options.time.displayFormats.millisecond; // Pick the longest format for guestimation - - var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, [], formatOverride); - var tickLabelWidth = me.getLabelWidth(exampleLabel); - var innerWidth = me.isHorizontal() ? me.width : me.height; - - var capacity = Math.floor(innerWidth / tickLabelWidth); - return capacity > 0 ? capacity : 1; - } - }); - - Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig); + if (isDuration(input)) { + duration = { + ms : input._milliseconds, + d : input._days, + M : input._months }; + } else if (isNumber(input)) { + duration = {}; + if (key) { + duration[key] = input; + } else { + duration.milliseconds = input; + } + } else if (!!(match = aspNetRegex.exec(input))) { + sign = (match[1] === '-') ? -1 : 1; + duration = { + y : 0, + d : toInt(match[DATE]) * sign, + h : toInt(match[HOUR]) * sign, + m : toInt(match[MINUTE]) * sign, + s : toInt(match[SECOND]) * sign, + ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match + }; + } else if (!!(match = isoRegex.exec(input))) { + sign = (match[1] === '-') ? -1 : (match[1] === '+') ? 1 : 1; + duration = { + y : parseIso(match[2], sign), + M : parseIso(match[3], sign), + w : parseIso(match[4], sign), + d : parseIso(match[5], sign), + h : parseIso(match[6], sign), + m : parseIso(match[7], sign), + s : parseIso(match[8], sign) + }; + } else if (duration == null) {// checks for null or undefined + duration = {}; + } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { + diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to)); - }, { "25": 25, "45": 45, "6": 6 }] - }, {}, [7])(7) -}); \ No newline at end of file + duration = {}; + duration.ms = diffRes.milliseconds; + duration.M = diffRes.months; + } + + ret = new Duration(duration); + + if (isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } + + return ret; + } + + createDuration.fn = Duration.prototype; + createDuration.invalid = createInvalid$1; + + function parseIso (inp, sign) { + // We'd normally use ~~inp for this, but unfortunately it also + // converts floats to ints. + // inp may be undefined, so careful calling replace on it. + var res = inp && parseFloat(inp.replace(',', '.')); + // apply sign while we're at it + return (isNaN(res) ? 0 : res) * sign; + } + + function positiveMomentsDifference(base, other) { + var res = {milliseconds: 0, months: 0}; + + res.months = other.month() - base.month() + + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } + + res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + + return res; + } + + function momentsDifference(base, other) { + var res; + if (!(base.isValid() && other.isValid())) { + return {milliseconds: 0, months: 0}; + } + + other = cloneWithOffset(other, base); + if (base.isBefore(other)) { + res = positiveMomentsDifference(base, other); + } else { + res = positiveMomentsDifference(other, base); + res.milliseconds = -res.milliseconds; + res.months = -res.months; + } + + return res; + } + + // TODO: remove 'name' arg after deprecation is removed + function createAdder(direction, name) { + return function (val, period) { + var dur, tmp; + //invert the arguments, but complain about it + if (period !== null && !isNaN(+period)) { + deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + + 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'); + tmp = val; val = period; period = tmp; + } + + val = typeof val === 'string' ? +val : val; + dur = createDuration(val, period); + addSubtract(this, dur, direction); + return this; + }; + } + + function addSubtract (mom, duration, isAdding, updateOffset) { + var milliseconds = duration._milliseconds, + days = absRound(duration._days), + months = absRound(duration._months); + + if (!mom.isValid()) { + // No op + return; + } + + updateOffset = updateOffset == null ? true : updateOffset; + + if (months) { + setMonth(mom, get(mom, 'Month') + months * isAdding); + } + if (days) { + set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); + } + if (milliseconds) { + mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); + } + if (updateOffset) { + hooks.updateOffset(mom, days || months); + } + } + + var add = createAdder(1, 'add'); + var subtract = createAdder(-1, 'subtract'); + + function getCalendarFormat(myMoment, now) { + var diff = myMoment.diff(now, 'days', true); + return diff < -6 ? 'sameElse' : + diff < -1 ? 'lastWeek' : + diff < 0 ? 'lastDay' : + diff < 1 ? 'sameDay' : + diff < 2 ? 'nextDay' : + diff < 7 ? 'nextWeek' : 'sameElse'; + } + + function calendar$1 (time, formats) { + // We want to compare the start of today, vs this. + // Getting start-of-today depends on whether we're local/utc/offset or not. + var now = time || createLocal(), + sod = cloneWithOffset(now, this).startOf('day'), + format = hooks.calendarFormat(this, sod) || 'sameElse'; + + var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]); + + return this.format(output || this.localeData().calendar(format, this, createLocal(now))); + } + + function clone () { + return new Moment(this); + } + + function isAfter (input, units) { + var localInput = isMoment(input) ? input : createLocal(input); + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(!isUndefined(units) ? units : 'millisecond'); + if (units === 'millisecond') { + return this.valueOf() > localInput.valueOf(); + } else { + return localInput.valueOf() < this.clone().startOf(units).valueOf(); + } + } + + function isBefore (input, units) { + var localInput = isMoment(input) ? input : createLocal(input); + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(!isUndefined(units) ? units : 'millisecond'); + if (units === 'millisecond') { + return this.valueOf() < localInput.valueOf(); + } else { + return this.clone().endOf(units).valueOf() < localInput.valueOf(); + } + } + + function isBetween (from, to, units, inclusivity) { + inclusivity = inclusivity || '()'; + return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) && + (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units)); + } + + function isSame (input, units) { + var localInput = isMoment(input) ? input : createLocal(input), + inputMs; + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(units || 'millisecond'); + if (units === 'millisecond') { + return this.valueOf() === localInput.valueOf(); + } else { + inputMs = localInput.valueOf(); + return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf(); + } + } + + function isSameOrAfter (input, units) { + return this.isSame(input, units) || this.isAfter(input,units); + } + + function isSameOrBefore (input, units) { + return this.isSame(input, units) || this.isBefore(input,units); + } + + function diff (input, units, asFloat) { + var that, + zoneDelta, + output; + + if (!this.isValid()) { + return NaN; + } + + that = cloneWithOffset(input, this); + + if (!that.isValid()) { + return NaN; + } + + zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; + + units = normalizeUnits(units); + + switch (units) { + case 'year': output = monthDiff(this, that) / 12; break; + case 'month': output = monthDiff(this, that); break; + case 'quarter': output = monthDiff(this, that) / 3; break; + case 'second': output = (this - that) / 1e3; break; // 1000 + case 'minute': output = (this - that) / 6e4; break; // 1000 * 60 + case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60 + case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst + case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst + default: output = this - that; + } + + return asFloat ? output : absFloor(output); + } + + function monthDiff (a, b) { + // difference in months + var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), + // b is in (anchor - 1 month, anchor + 1 month) + anchor = a.clone().add(wholeMonthDiff, 'months'), + anchor2, adjust; + + if (b - anchor < 0) { + anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor - anchor2); + } else { + anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor2 - anchor); + } + + //check for negative zero, return zero if negative zero + return -(wholeMonthDiff + adjust) || 0; + } + + hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; + hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; + + function toString () { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + } + + function toISOString(keepOffset) { + if (!this.isValid()) { + return null; + } + var utc = keepOffset !== true; + var m = utc ? this.clone().utc() : this; + if (m.year() < 0 || m.year() > 9999) { + return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'); + } + if (isFunction(Date.prototype.toISOString)) { + // native implementation is ~50x faster, use it when we can + if (utc) { + return this.toDate().toISOString(); + } else { + return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z')); + } + } + return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'); + } + + /** + * Return a human readable representation of a moment that can + * also be evaluated to get a new moment which is the same + * + * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects + */ + function inspect () { + if (!this.isValid()) { + return 'moment.invalid(/* ' + this._i + ' */)'; + } + var func = 'moment'; + var zone = ''; + if (!this.isLocal()) { + func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; + zone = 'Z'; + } + var prefix = '[' + func + '("]'; + var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY'; + var datetime = '-MM-DD[T]HH:mm:ss.SSS'; + var suffix = zone + '[")]'; + + return this.format(prefix + year + datetime + suffix); + } + + function format (inputString) { + if (!inputString) { + inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat; + } + var output = formatMoment(this, inputString); + return this.localeData().postformat(output); + } + + function from (time, withoutSuffix) { + if (this.isValid() && + ((isMoment(time) && time.isValid()) || + createLocal(time).isValid())) { + return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); + } else { + return this.localeData().invalidDate(); + } + } + + function fromNow (withoutSuffix) { + return this.from(createLocal(), withoutSuffix); + } + + function to (time, withoutSuffix) { + if (this.isValid() && + ((isMoment(time) && time.isValid()) || + createLocal(time).isValid())) { + return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix); + } else { + return this.localeData().invalidDate(); + } + } + + function toNow (withoutSuffix) { + return this.to(createLocal(), withoutSuffix); + } + + // If passed a locale key, it will set the locale for this + // instance. Otherwise, it will return the locale configuration + // variables for this instance. + function locale (key) { + var newLocaleData; + + if (key === undefined) { + return this._locale._abbr; + } else { + newLocaleData = getLocale(key); + if (newLocaleData != null) { + this._locale = newLocaleData; + } + return this; + } + } + + var lang = deprecate( + 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', + function (key) { + if (key === undefined) { + return this.localeData(); + } else { + return this.locale(key); + } + } + ); + + function localeData () { + return this._locale; + } + + function startOf (units) { + units = normalizeUnits(units); + // the following switch intentionally omits break keywords + // to utilize falling through the cases. + switch (units) { + case 'year': + this.month(0); + /* falls through */ + case 'quarter': + case 'month': + this.date(1); + /* falls through */ + case 'week': + case 'isoWeek': + case 'day': + case 'date': + this.hours(0); + /* falls through */ + case 'hour': + this.minutes(0); + /* falls through */ + case 'minute': + this.seconds(0); + /* falls through */ + case 'second': + this.milliseconds(0); + } + + // weeks are a special case + if (units === 'week') { + this.weekday(0); + } + if (units === 'isoWeek') { + this.isoWeekday(1); + } + + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } + + return this; + } + + function endOf (units) { + units = normalizeUnits(units); + if (units === undefined || units === 'millisecond') { + return this; + } + + // 'date' is an alias for 'day', so it should be considered as such. + if (units === 'date') { + units = 'day'; + } + + return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); + } + + function valueOf () { + return this._d.valueOf() - ((this._offset || 0) * 60000); + } + + function unix () { + return Math.floor(this.valueOf() / 1000); + } + + function toDate () { + return new Date(this.valueOf()); + } + + function toArray () { + var m = this; + return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()]; + } + + function toObject () { + var m = this; + return { + years: m.year(), + months: m.month(), + date: m.date(), + hours: m.hours(), + minutes: m.minutes(), + seconds: m.seconds(), + milliseconds: m.milliseconds() + }; + } + + function toJSON () { + // new Date(NaN).toJSON() === null + return this.isValid() ? this.toISOString() : null; + } + + function isValid$2 () { + return isValid(this); + } + + function parsingFlags () { + return extend({}, getParsingFlags(this)); + } + + function invalidAt () { + return getParsingFlags(this).overflow; + } + + function creationData() { + return { + input: this._i, + format: this._f, + locale: this._locale, + isUTC: this._isUTC, + strict: this._strict + }; + } + + // FORMATTING + + addFormatToken(0, ['gg', 2], 0, function () { + return this.weekYear() % 100; + }); + + addFormatToken(0, ['GG', 2], 0, function () { + return this.isoWeekYear() % 100; + }); + + function addWeekYearFormatToken (token, getter) { + addFormatToken(0, [token, token.length], 0, getter); + } + + addWeekYearFormatToken('gggg', 'weekYear'); + addWeekYearFormatToken('ggggg', 'weekYear'); + addWeekYearFormatToken('GGGG', 'isoWeekYear'); + addWeekYearFormatToken('GGGGG', 'isoWeekYear'); + + // ALIASES + + addUnitAlias('weekYear', 'gg'); + addUnitAlias('isoWeekYear', 'GG'); + + // PRIORITY + + addUnitPriority('weekYear', 1); + addUnitPriority('isoWeekYear', 1); + + + // PARSING + + addRegexToken('G', matchSigned); + addRegexToken('g', matchSigned); + addRegexToken('GG', match1to2, match2); + addRegexToken('gg', match1to2, match2); + addRegexToken('GGGG', match1to4, match4); + addRegexToken('gggg', match1to4, match4); + addRegexToken('GGGGG', match1to6, match6); + addRegexToken('ggggg', match1to6, match6); + + addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) { + week[token.substr(0, 2)] = toInt(input); + }); + + addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { + week[token] = hooks.parseTwoDigitYear(input); + }); + + // MOMENTS + + function getSetWeekYear (input) { + return getSetWeekYearHelper.call(this, + input, + this.week(), + this.weekday(), + this.localeData()._week.dow, + this.localeData()._week.doy); + } + + function getSetISOWeekYear (input) { + return getSetWeekYearHelper.call(this, + input, this.isoWeek(), this.isoWeekday(), 1, 4); + } + + function getISOWeeksInYear () { + return weeksInYear(this.year(), 1, 4); + } + + function getWeeksInYear () { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + } + + function getSetWeekYearHelper(input, week, weekday, dow, doy) { + var weeksTarget; + if (input == null) { + return weekOfYear(this, dow, doy).year; + } else { + weeksTarget = weeksInYear(input, dow, doy); + if (week > weeksTarget) { + week = weeksTarget; + } + return setWeekAll.call(this, input, week, weekday, dow, doy); + } + } + + function setWeekAll(weekYear, week, weekday, dow, doy) { + var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), + date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); + + this.year(date.getUTCFullYear()); + this.month(date.getUTCMonth()); + this.date(date.getUTCDate()); + return this; + } + + // FORMATTING + + addFormatToken('Q', 0, 'Qo', 'quarter'); + + // ALIASES + + addUnitAlias('quarter', 'Q'); + + // PRIORITY + + addUnitPriority('quarter', 7); + + // PARSING + + addRegexToken('Q', match1); + addParseToken('Q', function (input, array) { + array[MONTH] = (toInt(input) - 1) * 3; + }); + + // MOMENTS + + function getSetQuarter (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); + } + + // FORMATTING + + addFormatToken('D', ['DD', 2], 'Do', 'date'); + + // ALIASES + + addUnitAlias('date', 'D'); + + // PRIORITY + addUnitPriority('date', 9); + + // PARSING + + addRegexToken('D', match1to2); + addRegexToken('DD', match1to2, match2); + addRegexToken('Do', function (isStrict, locale) { + // TODO: Remove "ordinalParse" fallback in next major release. + return isStrict ? + (locale._dayOfMonthOrdinalParse || locale._ordinalParse) : + locale._dayOfMonthOrdinalParseLenient; + }); + + addParseToken(['D', 'DD'], DATE); + addParseToken('Do', function (input, array) { + array[DATE] = toInt(input.match(match1to2)[0]); + }); + + // MOMENTS + + var getSetDayOfMonth = makeGetSet('Date', true); + + // FORMATTING + + addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); + + // ALIASES + + addUnitAlias('dayOfYear', 'DDD'); + + // PRIORITY + addUnitPriority('dayOfYear', 4); + + // PARSING + + addRegexToken('DDD', match1to3); + addRegexToken('DDDD', match3); + addParseToken(['DDD', 'DDDD'], function (input, array, config) { + config._dayOfYear = toInt(input); + }); + + // HELPERS + + // MOMENTS + + function getSetDayOfYear (input) { + var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1; + return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); + } + + // FORMATTING + + addFormatToken('m', ['mm', 2], 0, 'minute'); + + // ALIASES + + addUnitAlias('minute', 'm'); + + // PRIORITY + + addUnitPriority('minute', 14); + + // PARSING + + addRegexToken('m', match1to2); + addRegexToken('mm', match1to2, match2); + addParseToken(['m', 'mm'], MINUTE); + + // MOMENTS + + var getSetMinute = makeGetSet('Minutes', false); + + // FORMATTING + + addFormatToken('s', ['ss', 2], 0, 'second'); + + // ALIASES + + addUnitAlias('second', 's'); + + // PRIORITY + + addUnitPriority('second', 15); + + // PARSING + + addRegexToken('s', match1to2); + addRegexToken('ss', match1to2, match2); + addParseToken(['s', 'ss'], SECOND); + + // MOMENTS + + var getSetSecond = makeGetSet('Seconds', false); + + // FORMATTING + + addFormatToken('S', 0, 0, function () { + return ~~(this.millisecond() / 100); + }); + + addFormatToken(0, ['SS', 2], 0, function () { + return ~~(this.millisecond() / 10); + }); + + addFormatToken(0, ['SSS', 3], 0, 'millisecond'); + addFormatToken(0, ['SSSS', 4], 0, function () { + return this.millisecond() * 10; + }); + addFormatToken(0, ['SSSSS', 5], 0, function () { + return this.millisecond() * 100; + }); + addFormatToken(0, ['SSSSSS', 6], 0, function () { + return this.millisecond() * 1000; + }); + addFormatToken(0, ['SSSSSSS', 7], 0, function () { + return this.millisecond() * 10000; + }); + addFormatToken(0, ['SSSSSSSS', 8], 0, function () { + return this.millisecond() * 100000; + }); + addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { + return this.millisecond() * 1000000; + }); + + + // ALIASES + + addUnitAlias('millisecond', 'ms'); + + // PRIORITY + + addUnitPriority('millisecond', 16); + + // PARSING + + addRegexToken('S', match1to3, match1); + addRegexToken('SS', match1to3, match2); + addRegexToken('SSS', match1to3, match3); + + var token; + for (token = 'SSSS'; token.length <= 9; token += 'S') { + addRegexToken(token, matchUnsigned); + } + + function parseMs(input, array) { + array[MILLISECOND] = toInt(('0.' + input) * 1000); + } + + for (token = 'S'; token.length <= 9; token += 'S') { + addParseToken(token, parseMs); + } + // MOMENTS + + var getSetMillisecond = makeGetSet('Milliseconds', false); + + // FORMATTING + + addFormatToken('z', 0, 0, 'zoneAbbr'); + addFormatToken('zz', 0, 0, 'zoneName'); + + // MOMENTS + + function getZoneAbbr () { + return this._isUTC ? 'UTC' : ''; + } + + function getZoneName () { + return this._isUTC ? 'Coordinated Universal Time' : ''; + } + + var proto = Moment.prototype; + + proto.add = add; + proto.calendar = calendar$1; + proto.clone = clone; + proto.diff = diff; + proto.endOf = endOf; + proto.format = format; + proto.from = from; + proto.fromNow = fromNow; + proto.to = to; + proto.toNow = toNow; + proto.get = stringGet; + proto.invalidAt = invalidAt; + proto.isAfter = isAfter; + proto.isBefore = isBefore; + proto.isBetween = isBetween; + proto.isSame = isSame; + proto.isSameOrAfter = isSameOrAfter; + proto.isSameOrBefore = isSameOrBefore; + proto.isValid = isValid$2; + proto.lang = lang; + proto.locale = locale; + proto.localeData = localeData; + proto.max = prototypeMax; + proto.min = prototypeMin; + proto.parsingFlags = parsingFlags; + proto.set = stringSet; + proto.startOf = startOf; + proto.subtract = subtract; + proto.toArray = toArray; + proto.toObject = toObject; + proto.toDate = toDate; + proto.toISOString = toISOString; + proto.inspect = inspect; + proto.toJSON = toJSON; + proto.toString = toString; + proto.unix = unix; + proto.valueOf = valueOf; + proto.creationData = creationData; + proto.year = getSetYear; + proto.isLeapYear = getIsLeapYear; + proto.weekYear = getSetWeekYear; + proto.isoWeekYear = getSetISOWeekYear; + proto.quarter = proto.quarters = getSetQuarter; + proto.month = getSetMonth; + proto.daysInMonth = getDaysInMonth; + proto.week = proto.weeks = getSetWeek; + proto.isoWeek = proto.isoWeeks = getSetISOWeek; + proto.weeksInYear = getWeeksInYear; + proto.isoWeeksInYear = getISOWeeksInYear; + proto.date = getSetDayOfMonth; + proto.day = proto.days = getSetDayOfWeek; + proto.weekday = getSetLocaleDayOfWeek; + proto.isoWeekday = getSetISODayOfWeek; + proto.dayOfYear = getSetDayOfYear; + proto.hour = proto.hours = getSetHour; + proto.minute = proto.minutes = getSetMinute; + proto.second = proto.seconds = getSetSecond; + proto.millisecond = proto.milliseconds = getSetMillisecond; + proto.utcOffset = getSetOffset; + proto.utc = setOffsetToUTC; + proto.local = setOffsetToLocal; + proto.parseZone = setOffsetToParsedOffset; + proto.hasAlignedHourOffset = hasAlignedHourOffset; + proto.isDST = isDaylightSavingTime; + proto.isLocal = isLocal; + proto.isUtcOffset = isUtcOffset; + proto.isUtc = isUtc; + proto.isUTC = isUtc; + proto.zoneAbbr = getZoneAbbr; + proto.zoneName = getZoneName; + proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); + proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); + proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); + proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone); + proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted); + + function createUnix (input) { + return createLocal(input * 1000); + } + + function createInZone () { + return createLocal.apply(null, arguments).parseZone(); + } + + function preParsePostFormat (string) { + return string; + } + + var proto$1 = Locale.prototype; + + proto$1.calendar = calendar; + proto$1.longDateFormat = longDateFormat; + proto$1.invalidDate = invalidDate; + proto$1.ordinal = ordinal; + proto$1.preparse = preParsePostFormat; + proto$1.postformat = preParsePostFormat; + proto$1.relativeTime = relativeTime; + proto$1.pastFuture = pastFuture; + proto$1.set = set; + + proto$1.months = localeMonths; + proto$1.monthsShort = localeMonthsShort; + proto$1.monthsParse = localeMonthsParse; + proto$1.monthsRegex = monthsRegex; + proto$1.monthsShortRegex = monthsShortRegex; + proto$1.week = localeWeek; + proto$1.firstDayOfYear = localeFirstDayOfYear; + proto$1.firstDayOfWeek = localeFirstDayOfWeek; + + proto$1.weekdays = localeWeekdays; + proto$1.weekdaysMin = localeWeekdaysMin; + proto$1.weekdaysShort = localeWeekdaysShort; + proto$1.weekdaysParse = localeWeekdaysParse; + + proto$1.weekdaysRegex = weekdaysRegex; + proto$1.weekdaysShortRegex = weekdaysShortRegex; + proto$1.weekdaysMinRegex = weekdaysMinRegex; + + proto$1.isPM = localeIsPM; + proto$1.meridiem = localeMeridiem; + + function get$1 (format, index, field, setter) { + var locale = getLocale(); + var utc = createUTC().set(setter, index); + return locale[field](utc, format); + } + + function listMonthsImpl (format, index, field) { + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + + if (index != null) { + return get$1(format, index, field, 'month'); + } + + var i; + var out = []; + for (i = 0; i < 12; i++) { + out[i] = get$1(format, i, field, 'month'); + } + return out; + } + + // () + // (5) + // (fmt, 5) + // (fmt) + // (true) + // (true, 5) + // (true, fmt, 5) + // (true, fmt) + function listWeekdaysImpl (localeSorted, format, index, field) { + if (typeof localeSorted === 'boolean') { + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + } else { + format = localeSorted; + index = format; + localeSorted = false; + + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + } + + var locale = getLocale(), + shift = localeSorted ? locale._week.dow : 0; + + if (index != null) { + return get$1(format, (index + shift) % 7, field, 'day'); + } + + var i; + var out = []; + for (i = 0; i < 7; i++) { + out[i] = get$1(format, (i + shift) % 7, field, 'day'); + } + return out; + } + + function listMonths (format, index) { + return listMonthsImpl(format, index, 'months'); + } + + function listMonthsShort (format, index) { + return listMonthsImpl(format, index, 'monthsShort'); + } + + function listWeekdays (localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); + } + + function listWeekdaysShort (localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); + } + + function listWeekdaysMin (localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); + } + + getSetGlobalLocale('en', { + dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, + ordinal : function (number) { + var b = number % 10, + output = (toInt(number % 100 / 10) === 1) ? 'th' : + (b === 1) ? 'st' : + (b === 2) ? 'nd' : + (b === 3) ? 'rd' : 'th'; + return number + output; + } + }); + + // Side effect imports + + hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale); + hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale); + + var mathAbs = Math.abs; + + function abs () { + var data = this._data; + + this._milliseconds = mathAbs(this._milliseconds); + this._days = mathAbs(this._days); + this._months = mathAbs(this._months); + + data.milliseconds = mathAbs(data.milliseconds); + data.seconds = mathAbs(data.seconds); + data.minutes = mathAbs(data.minutes); + data.hours = mathAbs(data.hours); + data.months = mathAbs(data.months); + data.years = mathAbs(data.years); + + return this; + } + + function addSubtract$1 (duration, input, value, direction) { + var other = createDuration(input, value); + + duration._milliseconds += direction * other._milliseconds; + duration._days += direction * other._days; + duration._months += direction * other._months; + + return duration._bubble(); + } + + // supports only 2.0-style add(1, 's') or add(duration) + function add$1 (input, value) { + return addSubtract$1(this, input, value, 1); + } + + // supports only 2.0-style subtract(1, 's') or subtract(duration) + function subtract$1 (input, value) { + return addSubtract$1(this, input, value, -1); + } + + function absCeil (number) { + if (number < 0) { + return Math.floor(number); + } else { + return Math.ceil(number); + } + } + + function bubble () { + var milliseconds = this._milliseconds; + var days = this._days; + var months = this._months; + var data = this._data; + var seconds, minutes, hours, years, monthsFromDays; + + // if we have a mix of positive and negative values, bubble down first + // check: https://github.com/moment/moment/issues/2166 + if (!((milliseconds >= 0 && days >= 0 && months >= 0) || + (milliseconds <= 0 && days <= 0 && months <= 0))) { + milliseconds += absCeil(monthsToDays(months) + days) * 864e5; + days = 0; + months = 0; + } + + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; + + seconds = absFloor(milliseconds / 1000); + data.seconds = seconds % 60; + + minutes = absFloor(seconds / 60); + data.minutes = minutes % 60; + + hours = absFloor(minutes / 60); + data.hours = hours % 24; + + days += absFloor(hours / 24); + + // convert days to months + monthsFromDays = absFloor(daysToMonths(days)); + months += monthsFromDays; + days -= absCeil(monthsToDays(monthsFromDays)); + + // 12 months -> 1 year + years = absFloor(months / 12); + months %= 12; + + data.days = days; + data.months = months; + data.years = years; + + return this; + } + + function daysToMonths (days) { + // 400 years have 146097 days (taking into account leap year rules) + // 400 years have 12 months === 4800 + return days * 4800 / 146097; + } + + function monthsToDays (months) { + // the reverse of daysToMonths + return months * 146097 / 4800; + } + + function as (units) { + if (!this.isValid()) { + return NaN; + } + var days; + var months; + var milliseconds = this._milliseconds; + + units = normalizeUnits(units); + + if (units === 'month' || units === 'year') { + days = this._days + milliseconds / 864e5; + months = this._months + daysToMonths(days); + return units === 'month' ? months : months / 12; + } else { + // handle milliseconds separately because of floating point math errors (issue #1867) + days = this._days + Math.round(monthsToDays(this._months)); + switch (units) { + case 'week' : return days / 7 + milliseconds / 6048e5; + case 'day' : return days + milliseconds / 864e5; + case 'hour' : return days * 24 + milliseconds / 36e5; + case 'minute' : return days * 1440 + milliseconds / 6e4; + case 'second' : return days * 86400 + milliseconds / 1000; + // Math.floor prevents floating point math errors here + case 'millisecond': return Math.floor(days * 864e5) + milliseconds; + default: throw new Error('Unknown unit ' + units); + } + } + } + + // TODO: Use this.as('ms')? + function valueOf$1 () { + if (!this.isValid()) { + return NaN; + } + return ( + this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6 + ); + } + + function makeAs (alias) { + return function () { + return this.as(alias); + }; + } + + var asMilliseconds = makeAs('ms'); + var asSeconds = makeAs('s'); + var asMinutes = makeAs('m'); + var asHours = makeAs('h'); + var asDays = makeAs('d'); + var asWeeks = makeAs('w'); + var asMonths = makeAs('M'); + var asYears = makeAs('y'); + + function clone$1 () { + return createDuration(this); + } + + function get$2 (units) { + units = normalizeUnits(units); + return this.isValid() ? this[units + 's']() : NaN; + } + + function makeGetter(name) { + return function () { + return this.isValid() ? this._data[name] : NaN; + }; + } + + var milliseconds = makeGetter('milliseconds'); + var seconds = makeGetter('seconds'); + var minutes = makeGetter('minutes'); + var hours = makeGetter('hours'); + var days = makeGetter('days'); + var months = makeGetter('months'); + var years = makeGetter('years'); + + function weeks () { + return absFloor(this.days() / 7); + } + + var round = Math.round; + var thresholds = { + ss: 44, // a few seconds to seconds + s : 45, // seconds to minute + m : 45, // minutes to hour + h : 22, // hours to day + d : 26, // days to month + M : 11 // months to year + }; + + // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize + function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { + return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); + } + + function relativeTime$1 (posNegDuration, withoutSuffix, locale) { + var duration = createDuration(posNegDuration).abs(); + var seconds = round(duration.as('s')); + var minutes = round(duration.as('m')); + var hours = round(duration.as('h')); + var days = round(duration.as('d')); + var months = round(duration.as('M')); + var years = round(duration.as('y')); + + var a = seconds <= thresholds.ss && ['s', seconds] || + seconds < thresholds.s && ['ss', seconds] || + minutes <= 1 && ['m'] || + minutes < thresholds.m && ['mm', minutes] || + hours <= 1 && ['h'] || + hours < thresholds.h && ['hh', hours] || + days <= 1 && ['d'] || + days < thresholds.d && ['dd', days] || + months <= 1 && ['M'] || + months < thresholds.M && ['MM', months] || + years <= 1 && ['y'] || ['yy', years]; + + a[2] = withoutSuffix; + a[3] = +posNegDuration > 0; + a[4] = locale; + return substituteTimeAgo.apply(null, a); + } + + // This function allows you to set the rounding function for relative time strings + function getSetRelativeTimeRounding (roundingFunction) { + if (roundingFunction === undefined) { + return round; + } + if (typeof(roundingFunction) === 'function') { + round = roundingFunction; + return true; + } + return false; + } + + // This function allows you to set a threshold for relative time strings + function getSetRelativeTimeThreshold (threshold, limit) { + if (thresholds[threshold] === undefined) { + return false; + } + if (limit === undefined) { + return thresholds[threshold]; + } + thresholds[threshold] = limit; + if (threshold === 's') { + thresholds.ss = limit - 1; + } + return true; + } + + function humanize (withSuffix) { + if (!this.isValid()) { + return this.localeData().invalidDate(); + } + + var locale = this.localeData(); + var output = relativeTime$1(this, !withSuffix, locale); + + if (withSuffix) { + output = locale.pastFuture(+this, output); + } + + return locale.postformat(output); + } + + var abs$1 = Math.abs; + + function sign(x) { + return ((x > 0) - (x < 0)) || +x; + } + + function toISOString$1() { + // for ISO strings we do not use the normal bubbling rules: + // * milliseconds bubble up until they become hours + // * days do not bubble at all + // * months bubble up until they become years + // This is because there is no context-free conversion between hours and days + // (think of clock changes) + // and also not between days and months (28-31 days per month) + if (!this.isValid()) { + return this.localeData().invalidDate(); + } + + var seconds = abs$1(this._milliseconds) / 1000; + var days = abs$1(this._days); + var months = abs$1(this._months); + var minutes, hours, years; + + // 3600 seconds -> 60 minutes -> 1 hour + minutes = absFloor(seconds / 60); + hours = absFloor(minutes / 60); + seconds %= 60; + minutes %= 60; + + // 12 months -> 1 year + years = absFloor(months / 12); + months %= 12; + + + // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js + var Y = years; + var M = months; + var D = days; + var h = hours; + var m = minutes; + var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; + var total = this.asSeconds(); + + if (!total) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } + + var totalSign = total < 0 ? '-' : ''; + var ymSign = sign(this._months) !== sign(total) ? '-' : ''; + var daysSign = sign(this._days) !== sign(total) ? '-' : ''; + var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; + + return totalSign + 'P' + + (Y ? ymSign + Y + 'Y' : '') + + (M ? ymSign + M + 'M' : '') + + (D ? daysSign + D + 'D' : '') + + ((h || m || s) ? 'T' : '') + + (h ? hmsSign + h + 'H' : '') + + (m ? hmsSign + m + 'M' : '') + + (s ? hmsSign + s + 'S' : ''); + } + + var proto$2 = Duration.prototype; + + proto$2.isValid = isValid$1; + proto$2.abs = abs; + proto$2.add = add$1; + proto$2.subtract = subtract$1; + proto$2.as = as; + proto$2.asMilliseconds = asMilliseconds; + proto$2.asSeconds = asSeconds; + proto$2.asMinutes = asMinutes; + proto$2.asHours = asHours; + proto$2.asDays = asDays; + proto$2.asWeeks = asWeeks; + proto$2.asMonths = asMonths; + proto$2.asYears = asYears; + proto$2.valueOf = valueOf$1; + proto$2._bubble = bubble; + proto$2.clone = clone$1; + proto$2.get = get$2; + proto$2.milliseconds = milliseconds; + proto$2.seconds = seconds; + proto$2.minutes = minutes; + proto$2.hours = hours; + proto$2.days = days; + proto$2.weeks = weeks; + proto$2.months = months; + proto$2.years = years; + proto$2.humanize = humanize; + proto$2.toISOString = toISOString$1; + proto$2.toString = toISOString$1; + proto$2.toJSON = toISOString$1; + proto$2.locale = locale; + proto$2.localeData = localeData; + + proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1); + proto$2.lang = lang; + + // Side effect imports + + // FORMATTING + + addFormatToken('X', 0, 0, 'unix'); + addFormatToken('x', 0, 0, 'valueOf'); + + // PARSING + + addRegexToken('x', matchSigned); + addRegexToken('X', matchTimestamp); + addParseToken('X', function (input, array, config) { + config._d = new Date(parseFloat(input, 10) * 1000); + }); + addParseToken('x', function (input, array, config) { + config._d = new Date(toInt(input)); + }); + + // Side effect imports + + + hooks.version = '2.22.2'; + + setHookCallback(createLocal); + + hooks.fn = proto; + hooks.min = min; + hooks.max = max; + hooks.now = now; + hooks.utc = createUTC; + hooks.unix = createUnix; + hooks.months = listMonths; + hooks.isDate = isDate; + hooks.locale = getSetGlobalLocale; + hooks.invalid = createInvalid; + hooks.duration = createDuration; + hooks.isMoment = isMoment; + hooks.weekdays = listWeekdays; + hooks.parseZone = createInZone; + hooks.localeData = getLocale; + hooks.isDuration = isDuration; + hooks.monthsShort = listMonthsShort; + hooks.weekdaysMin = listWeekdaysMin; + hooks.defineLocale = defineLocale; + hooks.updateLocale = updateLocale; + hooks.locales = listLocales; + hooks.weekdaysShort = listWeekdaysShort; + hooks.normalizeUnits = normalizeUnits; + hooks.relativeTimeRounding = getSetRelativeTimeRounding; + hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; + hooks.calendarFormat = getCalendarFormat; + hooks.prototype = proto; + + // currently HTML5 input type only supports 24-hour formats + hooks.HTML5_FMT = { + DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // + DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // + DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // + DATE: 'YYYY-MM-DD', // + TIME: 'HH:mm', // + TIME_SECONDS: 'HH:mm:ss', // + TIME_MS: 'HH:mm:ss.SSS', // + WEEK: 'YYYY-[W]WW', // + MONTH: 'YYYY-MM' // + }; + + return hooks; + +}))); + +},{}],7:[function(require,module,exports){ +/** + * @namespace Chart + */ +var Chart = require(30)(); + +Chart.helpers = require(46); + +// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! +require(28)(Chart); + +Chart.Animation = require(22); +Chart.animationService = require(23); +Chart.defaults = require(26); +Chart.Element = require(27); +Chart.elements = require(41); +Chart.Interaction = require(29); +Chart.layouts = require(31); +Chart.platform = require(49); +Chart.plugins = require(32); +Chart.Scale = require(33); +Chart.scaleService = require(34); +Chart.Ticks = require(35); +Chart.Tooltip = require(36); + +require(24)(Chart); +require(25)(Chart); + +require(56)(Chart); +require(54)(Chart); +require(55)(Chart); +require(57)(Chart); +require(58)(Chart); +require(59)(Chart); + +// Controllers must be loaded after elements +// See Chart.core.datasetController.dataElementType +require(15)(Chart); +require(16)(Chart); +require(17)(Chart); +require(18)(Chart); +require(19)(Chart); +require(20)(Chart); +require(21)(Chart); + +require(8)(Chart); +require(9)(Chart); +require(10)(Chart); +require(11)(Chart); +require(12)(Chart); +require(13)(Chart); +require(14)(Chart); + +// Loading built-in plugins +var plugins = require(50); +for (var k in plugins) { + if (plugins.hasOwnProperty(k)) { + Chart.plugins.register(plugins[k]); + } +} + +Chart.platform.initialize(); + +module.exports = Chart; +if (typeof window !== 'undefined') { + window.Chart = Chart; +} + +// DEPRECATIONS + +/** + * Provided for backward compatibility, not available anymore + * @namespace Chart.Legend + * @deprecated since version 2.1.5 + * @todo remove at version 3 + * @private + */ +Chart.Legend = plugins.legend._element; + +/** + * Provided for backward compatibility, not available anymore + * @namespace Chart.Title + * @deprecated since version 2.1.5 + * @todo remove at version 3 + * @private + */ +Chart.Title = plugins.title._element; + +/** + * Provided for backward compatibility, use Chart.plugins instead + * @namespace Chart.pluginService + * @deprecated since version 2.1.5 + * @todo remove at version 3 + * @private + */ +Chart.pluginService = Chart.plugins; + +/** + * Provided for backward compatibility, inheriting from Chart.PlugingBase has no + * effect, instead simply create/register plugins via plain JavaScript objects. + * @interface Chart.PluginBase + * @deprecated since version 2.5.0 + * @todo remove at version 3 + * @private + */ +Chart.PluginBase = Chart.Element.extend({}); + +/** + * Provided for backward compatibility, use Chart.helpers.canvas instead. + * @namespace Chart.canvasHelpers + * @deprecated since version 2.6.0 + * @todo remove at version 3 + * @private + */ +Chart.canvasHelpers = Chart.helpers.canvas; + +/** + * Provided for backward compatibility, use Chart.layouts instead. + * @namespace Chart.layoutService + * @deprecated since version 2.8.0 + * @todo remove at version 3 + * @private + */ +Chart.layoutService = Chart.layouts; + +},{"10":10,"11":11,"12":12,"13":13,"14":14,"15":15,"16":16,"17":17,"18":18,"19":19,"20":20,"21":21,"22":22,"23":23,"24":24,"25":25,"26":26,"27":27,"28":28,"29":29,"30":30,"31":31,"32":32,"33":33,"34":34,"35":35,"36":36,"41":41,"46":46,"49":49,"50":50,"54":54,"55":55,"56":56,"57":57,"58":58,"59":59,"8":8,"9":9}],8:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Bar = function(context, config) { + config.type = 'bar'; + + return new Chart(context, config); + }; + +}; + +},{}],9:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Bubble = function(context, config) { + config.type = 'bubble'; + return new Chart(context, config); + }; + +}; + +},{}],10:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Doughnut = function(context, config) { + config.type = 'doughnut'; + + return new Chart(context, config); + }; + +}; + +},{}],11:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Line = function(context, config) { + config.type = 'line'; + + return new Chart(context, config); + }; + +}; + +},{}],12:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.PolarArea = function(context, config) { + config.type = 'polarArea'; + + return new Chart(context, config); + }; + +}; + +},{}],13:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Radar = function(context, config) { + config.type = 'radar'; + + return new Chart(context, config); + }; + +}; + +},{}],14:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + Chart.Scatter = function(context, config) { + config.type = 'scatter'; + return new Chart(context, config); + }; +}; + +},{}],15:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('bar', { + hover: { + mode: 'label' + }, + + scales: { + xAxes: [{ + type: 'category', + + // Specific to Bar Controller + categoryPercentage: 0.8, + barPercentage: 0.9, + + // offset settings + offset: true, + + // grid line settings + gridLines: { + offsetGridLines: true + } + }], + + yAxes: [{ + type: 'linear' + }] + } +}); + +defaults._set('horizontalBar', { + hover: { + mode: 'index', + axis: 'y' + }, + + scales: { + xAxes: [{ + type: 'linear', + position: 'bottom' + }], + + yAxes: [{ + position: 'left', + type: 'category', + + // Specific to Horizontal Bar Controller + categoryPercentage: 0.8, + barPercentage: 0.9, + + // offset settings + offset: true, + + // grid line settings + gridLines: { + offsetGridLines: true + } + }] + }, + + elements: { + rectangle: { + borderSkipped: 'left' + } + }, + + tooltips: { + callbacks: { + title: function(item, data) { + // Pick first xLabel for now + var title = ''; + + if (item.length > 0) { + if (item[0].yLabel) { + title = item[0].yLabel; + } else if (data.labels.length > 0 && item[0].index < data.labels.length) { + title = data.labels[item[0].index]; + } + } + + return title; + }, + + label: function(item, data) { + var datasetLabel = data.datasets[item.datasetIndex].label || ''; + return datasetLabel + ': ' + item.xLabel; + } + }, + mode: 'index', + axis: 'y' + } +}); + +/** + * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. + * @private + */ +function computeMinSampleSize(scale, pixels) { + var min = scale.isHorizontal() ? scale.width : scale.height; + var ticks = scale.getTicks(); + var prev, curr, i, ilen; + + for (i = 1, ilen = pixels.length; i < ilen; ++i) { + min = Math.min(min, pixels[i] - pixels[i - 1]); + } + + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + curr = scale.getPixelForTick(i); + min = i > 0 ? Math.min(min, curr - prev) : min; + prev = curr; + } + + return min; +} + +/** + * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, + * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This + * mode currently always generates bars equally sized (until we introduce scriptable options?). + * @private + */ +function computeFitCategoryTraits(index, ruler, options) { + var thickness = options.barThickness; + var count = ruler.stackCount; + var curr = ruler.pixels[index]; + var size, ratio; + + if (helpers.isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + // When bar thickness is enforced, category and bar percentages are ignored. + // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') + // and deprecate barPercentage since this value is ignored when thickness is absolute. + size = thickness * count; + ratio = 1; + } + + return { + chunk: size / count, + ratio: ratio, + start: curr - (size / 2) + }; +} + +/** + * Computes an "optimal" category that globally arranges bars side by side (no gap when + * percentage options are 1), based on the previous and following categories. This mode + * generates bars with different widths when data are not evenly spaced. + * @private + */ +function computeFlexCategoryTraits(index, ruler, options) { + var pixels = ruler.pixels; + var curr = pixels[index]; + var prev = index > 0 ? pixels[index - 1] : null; + var next = index < pixels.length - 1 ? pixels[index + 1] : null; + var percent = options.categoryPercentage; + var start, size; + + if (prev === null) { + // first data: its size is double based on the next point or, + // if it's also the last data, we use the scale end extremity. + prev = curr - (next === null ? ruler.end - curr : next - curr); + } + + if (next === null) { + // last data: its size is also double based on the previous point. + next = curr + curr - prev; + } + + start = curr - ((curr - prev) / 2) * percent; + size = ((next - prev) / 2) * percent; + + return { + chunk: size / ruler.stackCount, + ratio: options.barPercentage, + start: start + }; +} + +module.exports = function(Chart) { + + Chart.controllers.bar = Chart.DatasetController.extend({ + + dataElementType: elements.Rectangle, + + initialize: function() { + var me = this; + var meta; + + Chart.DatasetController.prototype.initialize.apply(me, arguments); + + meta = me.getMeta(); + meta.stack = me.getDataset().stack; + meta.bar = true; + }, + + update: function(reset) { + var me = this; + var rects = me.getMeta().data; + var i, ilen; + + me._ruler = me.getRuler(); + + for (i = 0, ilen = rects.length; i < ilen; ++i) { + me.updateElement(rects[i], i, reset); + } + }, + + updateElement: function(rectangle, index, reset) { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var dataset = me.getDataset(); + var custom = rectangle.custom || {}; + var rectangleOptions = chart.options.elements.rectangle; + + rectangle._xScale = me.getScaleForId(meta.xAxisID); + rectangle._yScale = me.getScaleForId(meta.yAxisID); + rectangle._datasetIndex = me.index; + rectangle._index = index; + + rectangle._model = { + datasetLabel: dataset.label, + label: chart.data.labels[index], + borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped, + backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor), + borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor), + borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth) + }; + + me.updateElementGeometry(rectangle, index, reset); + + rectangle.pivot(); + }, + + /** + * @private + */ + updateElementGeometry: function(rectangle, index, reset) { + var me = this; + var model = rectangle._model; + var vscale = me.getValueScale(); + var base = vscale.getBasePixel(); + var horizontal = vscale.isHorizontal(); + var ruler = me._ruler || me.getRuler(); + var vpixels = me.calculateBarValuePixels(me.index, index); + var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); + + model.horizontal = horizontal; + model.base = reset ? base : vpixels.base; + model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; + model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; + model.height = horizontal ? ipixels.size : undefined; + model.width = horizontal ? undefined : ipixels.size; + }, + + /** + * @private + */ + getValueScaleId: function() { + return this.getMeta().yAxisID; + }, + + /** + * @private + */ + getIndexScaleId: function() { + return this.getMeta().xAxisID; + }, + + /** + * @private + */ + getValueScale: function() { + return this.getScaleForId(this.getValueScaleId()); + }, + + /** + * @private + */ + getIndexScale: function() { + return this.getScaleForId(this.getIndexScaleId()); + }, + + /** + * Returns the stacks based on groups and bar visibility. + * @param {Number} [last] - The dataset index + * @returns {Array} The stack list + * @private + */ + _getStacks: function(last) { + var me = this; + var chart = me.chart; + var scale = me.getIndexScale(); + var stacked = scale.options.stacked; + var ilen = last === undefined ? chart.data.datasets.length : last + 1; + var stacks = []; + var i, meta; + + for (i = 0; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + if (meta.bar && chart.isDatasetVisible(i) && + (stacked === false || + (stacked === true && stacks.indexOf(meta.stack) === -1) || + (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { + stacks.push(meta.stack); + } + } + + return stacks; + }, + + /** + * Returns the effective number of stacks based on groups and bar visibility. + * @private + */ + getStackCount: function() { + return this._getStacks().length; + }, + + /** + * Returns the stack index for the given dataset based on groups and bar visibility. + * @param {Number} [datasetIndex] - The dataset index + * @param {String} [name] - The stack name to find + * @returns {Number} The stack index + * @private + */ + getStackIndex: function(datasetIndex, name) { + var stacks = this._getStacks(datasetIndex); + var index = (name !== undefined) + ? stacks.indexOf(name) + : -1; // indexOf returns -1 if element is not present + + return (index === -1) + ? stacks.length - 1 + : index; + }, + + /** + * @private + */ + getRuler: function() { + var me = this; + var scale = me.getIndexScale(); + var stackCount = me.getStackCount(); + var datasetIndex = me.index; + var isHorizontal = scale.isHorizontal(); + var start = isHorizontal ? scale.left : scale.top; + var end = start + (isHorizontal ? scale.width : scale.height); + var pixels = []; + var i, ilen, min; + + for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { + pixels.push(scale.getPixelForValue(null, i, datasetIndex)); + } + + min = helpers.isNullOrUndef(scale.options.barThickness) + ? computeMinSampleSize(scale, pixels) + : -1; + + return { + min: min, + pixels: pixels, + start: start, + end: end, + stackCount: stackCount, + scale: scale + }; + }, + + /** + * Note: pixel values are not clamped to the scale area. + * @private + */ + calculateBarValuePixels: function(datasetIndex, index) { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var scale = me.getValueScale(); + var datasets = chart.data.datasets; + var value = scale.getRightValue(datasets[datasetIndex].data[index]); + var stacked = scale.options.stacked; + var stack = meta.stack; + var start = 0; + var i, imeta, ivalue, base, head, size; + + if (stacked || (stacked === undefined && stack !== undefined)) { + for (i = 0; i < datasetIndex; ++i) { + imeta = chart.getDatasetMeta(i); + + if (imeta.bar && + imeta.stack === stack && + imeta.controller.getValueScaleId() === scale.id && + chart.isDatasetVisible(i)) { + + ivalue = scale.getRightValue(datasets[i].data[index]); + if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { + start += ivalue; + } + } + } + } + + base = scale.getPixelForValue(start); + head = scale.getPixelForValue(start + value); + size = (head - base) / 2; + + return { + size: size, + base: base, + head: head, + center: head + size / 2 + }; + }, + + /** + * @private + */ + calculateBarIndexPixels: function(datasetIndex, index, ruler) { + var me = this; + var options = ruler.scale.options; + var range = options.barThickness === 'flex' + ? computeFlexCategoryTraits(index, ruler, options) + : computeFitCategoryTraits(index, ruler, options); + + var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); + var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); + var size = Math.min( + helpers.valueOrDefault(options.maxBarThickness, Infinity), + range.chunk * range.ratio); + + return { + base: center - size / 2, + head: center + size / 2, + center: center, + size: size + }; + }, + + draw: function() { + var me = this; + var chart = me.chart; + var scale = me.getValueScale(); + var rects = me.getMeta().data; + var dataset = me.getDataset(); + var ilen = rects.length; + var i = 0; + + helpers.canvas.clipArea(chart.ctx, chart.chartArea); + + for (; i < ilen; ++i) { + if (!isNaN(scale.getRightValue(dataset.data[i]))) { + rects[i].draw(); + } + } + + helpers.canvas.unclipArea(chart.ctx); + }, + }); + + Chart.controllers.horizontalBar = Chart.controllers.bar.extend({ + /** + * @private + */ + getValueScaleId: function() { + return this.getMeta().xAxisID; + }, + + /** + * @private + */ + getIndexScaleId: function() { + return this.getMeta().yAxisID; + } + }); +}; + +},{"26":26,"41":41,"46":46}],16:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('bubble', { + hover: { + mode: 'single' + }, + + scales: { + xAxes: [{ + type: 'linear', // bubble should probably use a linear scale by default + position: 'bottom', + id: 'x-axis-0' // need an ID so datasets can reference the scale + }], + yAxes: [{ + type: 'linear', + position: 'left', + id: 'y-axis-0' + }] + }, + + tooltips: { + callbacks: { + title: function() { + // Title doesn't make sense for scatter since we format the data as a point + return ''; + }, + label: function(item, data) { + var datasetLabel = data.datasets[item.datasetIndex].label || ''; + var dataPoint = data.datasets[item.datasetIndex].data[item.index]; + return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; + } + } + } +}); + + +module.exports = function(Chart) { + + Chart.controllers.bubble = Chart.DatasetController.extend({ + /** + * @protected + */ + dataElementType: elements.Point, + + /** + * @protected + */ + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var points = meta.data; + + // Update Points + helpers.each(points, function(point, index) { + me.updateElement(point, index, reset); + }); + }, + + /** + * @protected + */ + updateElement: function(point, index, reset) { + var me = this; + var meta = me.getMeta(); + var custom = point.custom || {}; + var xScale = me.getScaleForId(meta.xAxisID); + var yScale = me.getScaleForId(meta.yAxisID); + var options = me._resolveElementOptions(point, index); + var data = me.getDataset().data[index]; + var dsIndex = me.index; + + var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); + var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); + + point._xScale = xScale; + point._yScale = yScale; + point._options = options; + point._datasetIndex = dsIndex; + point._index = index; + point._model = { + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderWidth: options.borderWidth, + hitRadius: options.hitRadius, + pointStyle: options.pointStyle, + rotation: options.rotation, + radius: reset ? 0 : options.radius, + skip: custom.skip || isNaN(x) || isNaN(y), + x: x, + y: y, + }; + + point.pivot(); + }, + + /** + * @protected + */ + setHoverStyle: function(point) { + var model = point._model; + var options = point._options; + point.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + radius: model.radius + }; + model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor)); + model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor)); + model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth); + model.radius = options.radius + options.hoverRadius; + }, + + /** + * @private + */ + _resolveElementOptions: function(point, index) { + var me = this; + var chart = me.chart; + var datasets = chart.data.datasets; + var dataset = datasets[me.index]; + var custom = point.custom || {}; + var options = chart.options.elements.point; + var resolve = helpers.options.resolve; + var data = dataset.data[index]; + var values = {}; + var i, ilen, key; + + // Scriptable options + var context = { + chart: chart, + dataIndex: index, + dataset: dataset, + datasetIndex: me.index + }; + + var keys = [ + 'backgroundColor', + 'borderColor', + 'borderWidth', + 'hoverBackgroundColor', + 'hoverBorderColor', + 'hoverBorderWidth', + 'hoverRadius', + 'hitRadius', + 'pointStyle', + 'rotation' + ]; + + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + values[key] = resolve([ + custom[key], + dataset[key], + options[key] + ], context, index); + } + + // Custom radius resolution + values.radius = resolve([ + custom.radius, + data ? data.r : undefined, + dataset.radius, + options.radius + ], context, index); + return values; + } + }); +}; + +},{"26":26,"41":41,"46":46}],17:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('doughnut', { + animation: { + // Boolean - Whether we animate the rotation of the Doughnut + animateRotate: true, + // Boolean - Whether we animate scaling the Doughnut from the centre + animateScale: false + }, + hover: { + mode: 'single' + }, + legendCallback: function(chart) { + var text = []; + text.push('
    '); + + var data = chart.data; + var datasets = data.datasets; + var labels = data.labels; + + if (datasets.length) { + for (var i = 0; i < datasets[0].data.length; ++i) { + text.push('
  • '); + if (labels[i]) { + text.push(labels[i]); + } + text.push('
    • '); + } + } + + text.push('
'); + return text.join(''); + }, + legend: { + labels: { + generateLabels: function(chart) { + var data = chart.data; + if (data.labels.length && data.datasets.length) { + return data.labels.map(function(label, i) { + var meta = chart.getDatasetMeta(0); + var ds = data.datasets[0]; + var arc = meta.data[i]; + var custom = arc && arc.custom || {}; + var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; + var arcOpts = chart.options.elements.arc; + var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); + var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); + var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); + + return { + text: label, + fillStyle: fill, + strokeStyle: stroke, + lineWidth: bw, + hidden: isNaN(ds.data[i]) || meta.data[i].hidden, + + // Extra data used for toggling the correct item + index: i + }; + }); + } + return []; + } + }, + + onClick: function(e, legendItem) { + var index = legendItem.index; + var chart = this.chart; + var i, ilen, meta; + + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + // toggle visibility of index if exists + if (meta.data[index]) { + meta.data[index].hidden = !meta.data[index].hidden; + } + } + + chart.update(); + } + }, + + // The percentage of the chart that we cut out of the middle. + cutoutPercentage: 50, + + // The rotation of the chart, where the first data arc begins. + rotation: Math.PI * -0.5, + + // The total circumference of the chart. + circumference: Math.PI * 2.0, + + // Need to override these to give a nice default + tooltips: { + callbacks: { + title: function() { + return ''; + }, + label: function(tooltipItem, data) { + var dataLabel = data.labels[tooltipItem.index]; + var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; + + if (helpers.isArray(dataLabel)) { + // show value on first line of multiline label + // need to clone because we are changing the value + dataLabel = dataLabel.slice(); + dataLabel[0] += value; + } else { + dataLabel += value; + } + + return dataLabel; + } + } + } +}); + +defaults._set('pie', helpers.clone(defaults.doughnut)); +defaults._set('pie', { + cutoutPercentage: 0 +}); + +module.exports = function(Chart) { + + Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({ + + dataElementType: elements.Arc, + + linkScales: helpers.noop, + + // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly + getRingIndex: function(datasetIndex) { + var ringIndex = 0; + + for (var j = 0; j < datasetIndex; ++j) { + if (this.chart.isDatasetVisible(j)) { + ++ringIndex; + } + } + + return ringIndex; + }, + + update: function(reset) { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var opts = chart.options; + var arcOpts = opts.elements.arc; + var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth; + var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth; + var minSize = Math.min(availableWidth, availableHeight); + var offset = {x: 0, y: 0}; + var meta = me.getMeta(); + var cutoutPercentage = opts.cutoutPercentage; + var circumference = opts.circumference; + + // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc + if (circumference < Math.PI * 2.0) { + var startAngle = opts.rotation % (Math.PI * 2.0); + startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); + var endAngle = startAngle + circumference; + var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; + var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; + var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); + var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); + var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); + var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); + var cutout = cutoutPercentage / 100.0; + var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; + var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; + var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; + minSize = Math.min(availableWidth / size.width, availableHeight / size.height); + offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; + } + + chart.borderWidth = me.getMaxBorderWidth(meta.data); + chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); + chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); + chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); + chart.offsetX = offset.x * chart.outerRadius; + chart.offsetY = offset.y * chart.outerRadius; + + meta.total = me.calculateTotal(); + + me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index)); + me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0); + + helpers.each(meta.data, function(arc, index) { + me.updateElement(arc, index, reset); + }); + }, + + updateElement: function(arc, index, reset) { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var opts = chart.options; + var animationOpts = opts.animation; + var centerX = (chartArea.left + chartArea.right) / 2; + var centerY = (chartArea.top + chartArea.bottom) / 2; + var startAngle = opts.rotation; // non reset case handled later + var endAngle = opts.rotation; // non reset case handled later + var dataset = me.getDataset(); + var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); + var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; + var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; + var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; + + helpers.extend(arc, { + // Utility + _datasetIndex: me.index, + _index: index, + + // Desired view properties + _model: { + x: centerX + chart.offsetX, + y: centerY + chart.offsetY, + startAngle: startAngle, + endAngle: endAngle, + circumference: circumference, + outerRadius: outerRadius, + innerRadius: innerRadius, + label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) + } + }); + + var model = arc._model; + + // Resets the visual styles + var custom = arc.custom || {}; + var valueOrDefault = helpers.valueAtIndexOrDefault; + var elementOpts = this.chart.options.elements.arc; + model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); + model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); + model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); + + // Set correct angles if not resetting + if (!reset || !animationOpts.animateRotate) { + if (index === 0) { + model.startAngle = opts.rotation; + } else { + model.startAngle = me.getMeta().data[index - 1]._model.endAngle; + } + + model.endAngle = model.startAngle + model.circumference; + } + + arc.pivot(); + }, + + calculateTotal: function() { + var dataset = this.getDataset(); + var meta = this.getMeta(); + var total = 0; + var value; + + helpers.each(meta.data, function(element, index) { + value = dataset.data[index]; + if (!isNaN(value) && !element.hidden) { + total += Math.abs(value); + } + }); + + /* if (total === 0) { + total = NaN; + }*/ + + return total; + }, + + calculateCircumference: function(value) { + var total = this.getMeta().total; + if (total > 0 && !isNaN(value)) { + return (Math.PI * 2.0) * (Math.abs(value) / total); + } + return 0; + }, + + // gets the max border or hover width to properly scale pie charts + getMaxBorderWidth: function(arcs) { + var max = 0; + var index = this.index; + var length = arcs.length; + var borderWidth; + var hoverWidth; + + for (var i = 0; i < length; i++) { + borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0; + hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0; + + max = borderWidth > max ? borderWidth : max; + max = hoverWidth > max ? hoverWidth : max; + } + return max; + } + }); +}; + +},{"26":26,"41":41,"46":46}],18:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('line', { + showLines: true, + spanGaps: false, + + hover: { + mode: 'label' + }, + + scales: { + xAxes: [{ + type: 'category', + id: 'x-axis-0' + }], + yAxes: [{ + type: 'linear', + id: 'y-axis-0' + }] + } +}); + +module.exports = function(Chart) { + + function lineEnabled(dataset, options) { + return helpers.valueOrDefault(dataset.showLine, options.showLines); + } + + Chart.controllers.line = Chart.DatasetController.extend({ + + datasetElementType: elements.Line, + + dataElementType: elements.Point, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var line = meta.dataset; + var points = meta.data || []; + var options = me.chart.options; + var lineElementOptions = options.elements.line; + var scale = me.getScaleForId(meta.yAxisID); + var i, ilen, custom; + var dataset = me.getDataset(); + var showLine = lineEnabled(dataset, options); + + // Update Line + if (showLine) { + custom = line.custom || {}; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { + dataset.lineTension = dataset.tension; + } + + // Utility + line._scale = scale; + line._datasetIndex = me.index; + // Data + line._children = points; + // Model + line._model = { + // Appearance + // The default behavior of lines is to break at null values, according + // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 + // This option gives lines the ability to span gaps + spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps, + tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), + borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), + borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), + borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), + borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), + borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), + borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), + fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), + steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped), + cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode), + }; + + line.pivot(); + } + + // Update Points + for (i = 0, ilen = points.length; i < ilen; ++i) { + me.updateElement(points[i], i, reset); + } + + if (showLine && line._model.tension !== 0) { + me.updateBezierControlPoints(); + } + + // Now pivot the point for animation + for (i = 0, ilen = points.length; i < ilen; ++i) { + points[i].pivot(); + } + }, + + getPointBackgroundColor: function(point, index) { + var backgroundColor = this.chart.options.elements.point.backgroundColor; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (custom.backgroundColor) { + backgroundColor = custom.backgroundColor; + } else if (dataset.pointBackgroundColor) { + backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor); + } else if (dataset.backgroundColor) { + backgroundColor = dataset.backgroundColor; + } + + return backgroundColor; + }, + + getPointBorderColor: function(point, index) { + var borderColor = this.chart.options.elements.point.borderColor; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (custom.borderColor) { + borderColor = custom.borderColor; + } else if (dataset.pointBorderColor) { + borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor); + } else if (dataset.borderColor) { + borderColor = dataset.borderColor; + } + + return borderColor; + }, + + getPointBorderWidth: function(point, index) { + var borderWidth = this.chart.options.elements.point.borderWidth; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (!isNaN(custom.borderWidth)) { + borderWidth = custom.borderWidth; + } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) { + borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth); + } else if (!isNaN(dataset.borderWidth)) { + borderWidth = dataset.borderWidth; + } + + return borderWidth; + }, + + getPointRotation: function(point, index) { + var pointRotation = this.chart.options.elements.point.rotation; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (!isNaN(custom.rotation)) { + pointRotation = custom.rotation; + } else if (!isNaN(dataset.pointRotation) || helpers.isArray(dataset.pointRotation)) { + pointRotation = helpers.valueAtIndexOrDefault(dataset.pointRotation, index, pointRotation); + } + return pointRotation; + }, + + updateElement: function(point, index, reset) { + var me = this; + var meta = me.getMeta(); + var custom = point.custom || {}; + var dataset = me.getDataset(); + var datasetIndex = me.index; + var value = dataset.data[index]; + var yScale = me.getScaleForId(meta.yAxisID); + var xScale = me.getScaleForId(meta.xAxisID); + var pointOptions = me.chart.options.elements.point; + var x, y; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { + dataset.pointRadius = dataset.radius; + } + if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { + dataset.pointHitRadius = dataset.hitRadius; + } + + x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); + y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); + + // Utility + point._xScale = xScale; + point._yScale = yScale; + point._datasetIndex = datasetIndex; + point._index = index; + + // Desired view properties + point._model = { + x: x, + y: y, + skip: custom.skip || isNaN(x) || isNaN(y), + // Appearance + radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius), + pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle), + rotation: me.getPointRotation(point, index), + backgroundColor: me.getPointBackgroundColor(point, index), + borderColor: me.getPointBorderColor(point, index), + borderWidth: me.getPointBorderWidth(point, index), + tension: meta.dataset._model ? meta.dataset._model.tension : 0, + steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false, + // Tooltip + hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius) + }; + }, + + calculatePointY: function(value, index, datasetIndex) { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + var sumPos = 0; + var sumNeg = 0; + var i, ds, dsMeta; + + if (yScale.options.stacked) { + for (i = 0; i < datasetIndex; i++) { + ds = chart.data.datasets[i]; + dsMeta = chart.getDatasetMeta(i); + if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { + var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); + if (stackedRightValue < 0) { + sumNeg += stackedRightValue || 0; + } else { + sumPos += stackedRightValue || 0; + } + } + } + + var rightValue = Number(yScale.getRightValue(value)); + if (rightValue < 0) { + return yScale.getPixelForValue(sumNeg + rightValue); + } + return yScale.getPixelForValue(sumPos + rightValue); + } + + return yScale.getPixelForValue(value); + }, + + updateBezierControlPoints: function() { + var me = this; + var meta = me.getMeta(); + var area = me.chart.chartArea; + var points = (meta.data || []); + var i, ilen, point, model, controlPoints; + + // Only consider points that are drawn in case the spanGaps option is used + if (meta.dataset._model.spanGaps) { + points = points.filter(function(pt) { + return !pt._model.skip; + }); + } + + function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); + } + + if (meta.dataset._model.cubicInterpolationMode === 'monotone') { + helpers.splineCurveMonotone(points); + } else { + for (i = 0, ilen = points.length; i < ilen; ++i) { + point = points[i]; + model = point._model; + controlPoints = helpers.splineCurve( + helpers.previousItem(points, i)._model, + model, + helpers.nextItem(points, i)._model, + meta.dataset._model.tension + ); + model.controlPointPreviousX = controlPoints.previous.x; + model.controlPointPreviousY = controlPoints.previous.y; + model.controlPointNextX = controlPoints.next.x; + model.controlPointNextY = controlPoints.next.y; + } + } + + if (me.chart.options.elements.line.capBezierPoints) { + for (i = 0, ilen = points.length; i < ilen; ++i) { + model = points[i]._model; + model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); + model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); + model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); + model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); + } + } + }, + + draw: function() { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var points = meta.data || []; + var area = chart.chartArea; + var ilen = points.length; + var halfBorderWidth; + var i = 0; + + if (lineEnabled(me.getDataset(), chart.options)) { + halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2; + + helpers.canvas.clipArea(chart.ctx, { + left: area.left, + right: area.right, + top: area.top - halfBorderWidth, + bottom: area.bottom + halfBorderWidth + }); + + meta.dataset.draw(); + + helpers.canvas.unclipArea(chart.ctx); + } + + // Draw the points + for (; i < ilen; ++i) { + points[i].draw(area); + } + }, + + setHoverStyle: function(element) { + // Point + var dataset = this.chart.data.datasets[element._datasetIndex]; + var index = element._index; + var custom = element.custom || {}; + var model = element._model; + + element.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + radius: model.radius + }; + + model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); + model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); + model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); + model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); + }, + }); +}; + +},{"26":26,"41":41,"46":46}],19:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('polarArea', { + scale: { + type: 'radialLinear', + angleLines: { + display: false + }, + gridLines: { + circular: true + }, + pointLabels: { + display: false + }, + ticks: { + beginAtZero: true + } + }, + + // Boolean - Whether to animate the rotation of the chart + animation: { + animateRotate: true, + animateScale: true + }, + + startAngle: -0.5 * Math.PI, + legendCallback: function(chart) { + var text = []; + text.push('
    '); + + var data = chart.data; + var datasets = data.datasets; + var labels = data.labels; + + if (datasets.length) { + for (var i = 0; i < datasets[0].data.length; ++i) { + text.push('
  • '); + if (labels[i]) { + text.push(labels[i]); + } + text.push('
    • '); + } + } + + text.push('
'); + return text.join(''); + }, + legend: { + labels: { + generateLabels: function(chart) { + var data = chart.data; + if (data.labels.length && data.datasets.length) { + return data.labels.map(function(label, i) { + var meta = chart.getDatasetMeta(0); + var ds = data.datasets[0]; + var arc = meta.data[i]; + var custom = arc.custom || {}; + var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; + var arcOpts = chart.options.elements.arc; + var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); + var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); + var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); + + return { + text: label, + fillStyle: fill, + strokeStyle: stroke, + lineWidth: bw, + hidden: isNaN(ds.data[i]) || meta.data[i].hidden, + + // Extra data used for toggling the correct item + index: i + }; + }); + } + return []; + } + }, + + onClick: function(e, legendItem) { + var index = legendItem.index; + var chart = this.chart; + var i, ilen, meta; + + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + meta.data[index].hidden = !meta.data[index].hidden; + } + + chart.update(); + } + }, + + // Need to override these to give a nice default + tooltips: { + callbacks: { + title: function() { + return ''; + }, + label: function(item, data) { + return data.labels[item.index] + ': ' + item.yLabel; + } + } + } +}); + +module.exports = function(Chart) { + + Chart.controllers.polarArea = Chart.DatasetController.extend({ + + dataElementType: elements.Arc, + + linkScales: helpers.noop, + + update: function(reset) { + var me = this; + var dataset = me.getDataset(); + var meta = me.getMeta(); + var start = me.chart.options.startAngle || 0; + var starts = me._starts = []; + var angles = me._angles = []; + var i, ilen, angle; + + me._updateRadius(); + + meta.count = me.countVisibleElements(); + + for (i = 0, ilen = dataset.data.length; i < ilen; i++) { + starts[i] = start; + angle = me._computeAngle(i); + angles[i] = angle; + start += angle; + } + + helpers.each(meta.data, function(arc, index) { + me.updateElement(arc, index, reset); + }); + }, + + /** + * @private + */ + _updateRadius: function() { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var opts = chart.options; + var arcOpts = opts.elements.arc; + var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + + chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0); + chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); + chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); + + me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); + me.innerRadius = me.outerRadius - chart.radiusLength; + }, + + updateElement: function(arc, index, reset) { + var me = this; + var chart = me.chart; + var dataset = me.getDataset(); + var opts = chart.options; + var animationOpts = opts.animation; + var scale = chart.scale; + var labels = chart.data.labels; + + var centerX = scale.xCenter; + var centerY = scale.yCenter; + + // var negHalfPI = -0.5 * Math.PI; + var datasetStartAngle = opts.startAngle; + var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); + var startAngle = me._starts[index]; + var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); + + var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); + + helpers.extend(arc, { + // Utility + _datasetIndex: me.index, + _index: index, + _scale: scale, + + // Desired view properties + _model: { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius: reset ? resetRadius : distance, + startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, + endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, + label: helpers.valueAtIndexOrDefault(labels, index, labels[index]) + } + }); + + // Apply border and fill style + var elementOpts = this.chart.options.elements.arc; + var custom = arc.custom || {}; + var valueOrDefault = helpers.valueAtIndexOrDefault; + var model = arc._model; + + model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); + model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); + model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); + + arc.pivot(); + }, + + countVisibleElements: function() { + var dataset = this.getDataset(); + var meta = this.getMeta(); + var count = 0; + + helpers.each(meta.data, function(element, index) { + if (!isNaN(dataset.data[index]) && !element.hidden) { + count++; + } + }); + + return count; + }, + + /** + * @private + */ + _computeAngle: function(index) { + var me = this; + var count = this.getMeta().count; + var dataset = me.getDataset(); + var meta = me.getMeta(); + + if (isNaN(dataset.data[index]) || meta.data[index].hidden) { + return 0; + } + + // Scriptable options + var context = { + chart: me.chart, + dataIndex: index, + dataset: dataset, + datasetIndex: me.index + }; + + return helpers.options.resolve([ + me.chart.options.elements.arc.angle, + (2 * Math.PI) / count + ], context, index); + } + }); +}; + +},{"26":26,"41":41,"46":46}],20:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('radar', { + scale: { + type: 'radialLinear' + }, + elements: { + line: { + tension: 0 // no bezier in radar + } + } +}); + +module.exports = function(Chart) { + + Chart.controllers.radar = Chart.DatasetController.extend({ + + datasetElementType: elements.Line, + + dataElementType: elements.Point, + + linkScales: helpers.noop, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var line = meta.dataset; + var points = meta.data; + var custom = line.custom || {}; + var dataset = me.getDataset(); + var lineElementOptions = me.chart.options.elements.line; + var scale = me.chart.scale; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { + dataset.lineTension = dataset.tension; + } + + helpers.extend(meta.dataset, { + // Utility + _datasetIndex: me.index, + _scale: scale, + // Data + _children: points, + _loop: true, + // Model + _model: { + // Appearance + tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), + borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), + borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), + fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), + borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), + borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), + borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), + borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), + } + }); + + meta.dataset.pivot(); + + // Update Points + helpers.each(points, function(point, index) { + me.updateElement(point, index, reset); + }, me); + + // Update bezier control points + me.updateBezierControlPoints(); + }, + updateElement: function(point, index, reset) { + var me = this; + var custom = point.custom || {}; + var dataset = me.getDataset(); + var scale = me.chart.scale; + var pointElementOptions = me.chart.options.elements.point; + var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { + dataset.pointRadius = dataset.radius; + } + if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { + dataset.pointHitRadius = dataset.hitRadius; + } + + helpers.extend(point, { + // Utility + _datasetIndex: me.index, + _index: index, + _scale: scale, + + // Desired view properties + _model: { + x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales + y: reset ? scale.yCenter : pointPosition.y, + + // Appearance + tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension), + radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor), + borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor), + borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth), + pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle), + rotation: custom.rotation ? custom.rotation : helpers.valueAtIndexOrDefault(dataset.pointRotation, index, pointElementOptions.rotation), + + // Tooltip + hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius) + } + }); + + point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y)); + }, + updateBezierControlPoints: function() { + var chartArea = this.chart.chartArea; + var meta = this.getMeta(); + + helpers.each(meta.data, function(point, index) { + var model = point._model; + var controlPoints = helpers.splineCurve( + helpers.previousItem(meta.data, index, true)._model, + model, + helpers.nextItem(meta.data, index, true)._model, + model.tension + ); + + // Prevent the bezier going outside of the bounds of the graph + model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left); + model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top); + + model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left); + model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top); + + // Now pivot the point for animation + point.pivot(); + }); + }, + + setHoverStyle: function(point) { + // Point + var dataset = this.chart.data.datasets[point._datasetIndex]; + var custom = point.custom || {}; + var index = point._index; + var model = point._model; + + point.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + radius: model.radius + }; + + model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); + model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); + model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); + model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); + }, + }); +}; + +},{"26":26,"41":41,"46":46}],21:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); + +defaults._set('scatter', { + hover: { + mode: 'single' + }, + + scales: { + xAxes: [{ + id: 'x-axis-1', // need an ID so datasets can reference the scale + type: 'linear', // scatter should not use a category axis + position: 'bottom' + }], + yAxes: [{ + id: 'y-axis-1', + type: 'linear', + position: 'left' + }] + }, + + showLines: false, + + tooltips: { + callbacks: { + title: function() { + return ''; // doesn't make sense for scatter since data are formatted as a point + }, + label: function(item) { + return '(' + item.xLabel + ', ' + item.yLabel + ')'; + } + } + } +}); + +module.exports = function(Chart) { + + // Scatter charts use line controllers + Chart.controllers.scatter = Chart.controllers.line; + +}; + +},{"26":26}],22:[function(require,module,exports){ +'use strict'; + +var Element = require(27); + +var exports = module.exports = Element.extend({ + chart: null, // the animation associated chart instance + currentStep: 0, // the current animation step + numSteps: 60, // default number of steps + easing: '', // the easing to use for this animation + render: null, // render function used by the animation service + + onAnimationProgress: null, // user specified callback to fire on each step of the animation + onAnimationComplete: null, // user specified callback to fire when the animation finishes +}); + +// DEPRECATIONS + +/** + * Provided for backward compatibility, use Chart.Animation instead + * @prop Chart.Animation#animationObject + * @deprecated since version 2.6.0 + * @todo remove at version 3 + */ +Object.defineProperty(exports.prototype, 'animationObject', { + get: function() { + return this; + } +}); + +/** + * Provided for backward compatibility, use Chart.Animation#chart instead + * @prop Chart.Animation#chartInstance + * @deprecated since version 2.6.0 + * @todo remove at version 3 + */ +Object.defineProperty(exports.prototype, 'chartInstance', { + get: function() { + return this.chart; + }, + set: function(value) { + this.chart = value; + } +}); + +},{"27":27}],23:[function(require,module,exports){ +/* global window: false */ +'use strict'; + +var defaults = require(26); +var helpers = require(46); + +defaults._set('global', { + animation: { + duration: 1000, + easing: 'easeOutQuart', + onProgress: helpers.noop, + onComplete: helpers.noop + } +}); + +module.exports = { + frameDuration: 17, + animations: [], + dropFrames: 0, + request: null, + + /** + * @param {Chart} chart - The chart to animate. + * @param {Chart.Animation} animation - The animation that we will animate. + * @param {Number} duration - The animation duration in ms. + * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions + */ + addAnimation: function(chart, animation, duration, lazy) { + var animations = this.animations; + var i, ilen; + + animation.chart = chart; + + if (!lazy) { + chart.animating = true; + } + + for (i = 0, ilen = animations.length; i < ilen; ++i) { + if (animations[i].chart === chart) { + animations[i] = animation; + return; + } + } + + animations.push(animation); + + // If there are no animations queued, manually kickstart a digest, for lack of a better word + if (animations.length === 1) { + this.requestAnimationFrame(); + } + }, + + cancelAnimation: function(chart) { + var index = helpers.findIndex(this.animations, function(animation) { + return animation.chart === chart; + }); + + if (index !== -1) { + this.animations.splice(index, 1); + chart.animating = false; + } + }, + + requestAnimationFrame: function() { + var me = this; + if (me.request === null) { + // Skip animation frame requests until the active one is executed. + // This can happen when processing mouse events, e.g. 'mousemove' + // and 'mouseout' events will trigger multiple renders. + me.request = helpers.requestAnimFrame.call(window, function() { + me.request = null; + me.startDigest(); + }); + } + }, + + /** + * @private + */ + startDigest: function() { + var me = this; + var startTime = Date.now(); + var framesToDrop = 0; + + if (me.dropFrames > 1) { + framesToDrop = Math.floor(me.dropFrames); + me.dropFrames = me.dropFrames % 1; + } + + me.advance(1 + framesToDrop); + + var endTime = Date.now(); + + me.dropFrames += (endTime - startTime) / me.frameDuration; + + // Do we have more stuff to animate? + if (me.animations.length > 0) { + me.requestAnimationFrame(); + } + }, + + /** + * @private + */ + advance: function(count) { + var animations = this.animations; + var animation, chart; + var i = 0; + + while (i < animations.length) { + animation = animations[i]; + chart = animation.chart; + + animation.currentStep = (animation.currentStep || 0) + count; + animation.currentStep = Math.min(animation.currentStep, animation.numSteps); + + helpers.callback(animation.render, [chart, animation], chart); + helpers.callback(animation.onAnimationProgress, [animation], chart); + + if (animation.currentStep >= animation.numSteps) { + helpers.callback(animation.onAnimationComplete, [animation], chart); + chart.animating = false; + animations.splice(i, 1); + } else { + ++i; + } + } + } +}; + +},{"26":26,"46":46}],24:[function(require,module,exports){ +'use strict'; + +var Animation = require(22); +var animations = require(23); +var defaults = require(26); +var helpers = require(46); +var Interaction = require(29); +var layouts = require(31); +var platform = require(49); +var plugins = require(32); +var scaleService = require(34); +var Tooltip = require(36); + +module.exports = function(Chart) { + + // Create a dictionary of chart types, to allow for extension of existing types + Chart.types = {}; + + // Store a reference to each instance - allowing us to globally resize chart instances on window resize. + // Destroy method on the chart will remove the instance of the chart from this reference. + Chart.instances = {}; + + // Controllers available for dataset visualization eg. bar, line, slice, etc. + Chart.controllers = {}; + + /** + * Initializes the given config with global and chart default values. + */ + function initConfig(config) { + config = config || {}; + + // Do NOT use configMerge() for the data object because this method merges arrays + // and so would change references to labels and datasets, preventing data updates. + var data = config.data = config.data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + + config.options = helpers.configMerge( + defaults.global, + defaults[config.type], + config.options || {}); + + return config; + } + + /** + * Updates the config of the chart + * @param chart {Chart} chart to update the options for + */ + function updateConfig(chart) { + var newOptions = chart.options; + + helpers.each(chart.scales, function(scale) { + layouts.removeBox(chart, scale); + }); + + newOptions = helpers.configMerge( + Chart.defaults.global, + Chart.defaults[chart.config.type], + newOptions); + + chart.options = chart.config.options = newOptions; + chart.ensureScalesHaveIDs(); + chart.buildOrUpdateScales(); + // Tooltip + chart.tooltip._options = newOptions.tooltips; + chart.tooltip.initialize(); + } + + function positionIsHorizontal(position) { + return position === 'top' || position === 'bottom'; + } + + helpers.extend(Chart.prototype, /** @lends Chart */ { + /** + * @private + */ + construct: function(item, config) { + var me = this; + + config = initConfig(config); + + var context = platform.acquireContext(item, config); + var canvas = context && context.canvas; + var height = canvas && canvas.height; + var width = canvas && canvas.width; + + me.id = helpers.uid(); + me.ctx = context; + me.canvas = canvas; + me.config = config; + me.width = width; + me.height = height; + me.aspectRatio = height ? width / height : null; + me.options = config.options; + me._bufferedRender = false; + + /** + * Provided for backward compatibility, Chart and Chart.Controller have been merged, + * the "instance" still need to be defined since it might be called from plugins. + * @prop Chart#chart + * @deprecated since version 2.6.0 + * @todo remove at version 3 + * @private + */ + me.chart = me; + me.controller = me; // chart.chart.controller #inception + + // Add the chart instance to the global namespace + Chart.instances[me.id] = me; + + // Define alias to the config data: `chart.data === chart.config.data` + Object.defineProperty(me, 'data', { + get: function() { + return me.config.data; + }, + set: function(value) { + me.config.data = value; + } + }); + + if (!context || !canvas) { + // The given item is not a compatible context2d element, let's return before finalizing + // the chart initialization but after setting basic chart / controller properties that + // can help to figure out that the chart is not valid (e.g chart.canvas !== null); + // https://github.com/chartjs/Chart.js/issues/2807 + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + + me.initialize(); + me.update(); + }, + + /** + * @private + */ + initialize: function() { + var me = this; + + // Before init plugin notification + plugins.notify(me, 'beforeInit'); + + helpers.retinaScale(me, me.options.devicePixelRatio); + + me.bindEvents(); + + if (me.options.responsive) { + // Initial resize before chart draws (must be silent to preserve initial animations). + me.resize(true); + } + + // Make sure scales have IDs and are built before we build any controllers. + me.ensureScalesHaveIDs(); + me.buildOrUpdateScales(); + me.initToolTip(); + + // After init plugin notification + plugins.notify(me, 'afterInit'); + + return me; + }, + + clear: function() { + helpers.canvas.clear(this); + return this; + }, + + stop: function() { + // Stops any current animation loop occurring + animations.cancelAnimation(this); + return this; + }, + + resize: function(silent) { + var me = this; + var options = me.options; + var canvas = me.canvas; + var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; + + // the canvas render width and height will be casted to integers so make sure that + // the canvas display style uses the same integer values to avoid blurring effect. + + // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed + var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas))); + var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas))); + + if (me.width === newWidth && me.height === newHeight) { + return; + } + + canvas.width = me.width = newWidth; + canvas.height = me.height = newHeight; + canvas.style.width = newWidth + 'px'; + canvas.style.height = newHeight + 'px'; + + helpers.retinaScale(me, options.devicePixelRatio); + + if (!silent) { + // Notify any plugins about the resize + var newSize = {width: newWidth, height: newHeight}; + plugins.notify(me, 'resize', [newSize]); + + // Notify of resize + if (me.options.onResize) { + me.options.onResize(me, newSize); + } + + me.stop(); + me.update({ + duration: me.options.responsiveAnimationDuration + }); + } + }, + + ensureScalesHaveIDs: function() { + var options = this.options; + var scalesOptions = options.scales || {}; + var scaleOptions = options.scale; + + helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) { + xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); + }); + + helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) { + yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); + }); + + if (scaleOptions) { + scaleOptions.id = scaleOptions.id || 'scale'; + } + }, + + /** + * Builds a map of scale ID to scale object for future lookup. + */ + buildOrUpdateScales: function() { + var me = this; + var options = me.options; + var scales = me.scales || {}; + var items = []; + var updated = Object.keys(scales).reduce(function(obj, id) { + obj[id] = false; + return obj; + }, {}); + + if (options.scales) { + items = items.concat( + (options.scales.xAxes || []).map(function(xAxisOptions) { + return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; + }), + (options.scales.yAxes || []).map(function(yAxisOptions) { + return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; + }) + ); + } + + if (options.scale) { + items.push({ + options: options.scale, + dtype: 'radialLinear', + isDefault: true, + dposition: 'chartArea' + }); + } + + helpers.each(items, function(item) { + var scaleOptions = item.options; + var id = scaleOptions.id; + var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype); + + if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + + updated[id] = true; + var scale = null; + if (id in scales && scales[id].type === scaleType) { + scale = scales[id]; + scale.options = scaleOptions; + scale.ctx = me.ctx; + scale.chart = me; + } else { + var scaleClass = scaleService.getScaleConstructor(scaleType); + if (!scaleClass) { + return; + } + scale = new scaleClass({ + id: id, + type: scaleType, + options: scaleOptions, + ctx: me.ctx, + chart: me + }); + scales[scale.id] = scale; + } + + scale.mergeTicksOptions(); + + // TODO(SB): I think we should be able to remove this custom case (options.scale) + // and consider it as a regular scale part of the "scales"" map only! This would + // make the logic easier and remove some useless? custom code. + if (item.isDefault) { + me.scale = scale; + } + }); + // clear up discarded scales + helpers.each(updated, function(hasUpdated, id) { + if (!hasUpdated) { + delete scales[id]; + } + }); + + me.scales = scales; + + scaleService.addScalesToLayout(this); + }, + + buildOrUpdateControllers: function() { + var me = this; + var types = []; + var newControllers = []; + + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + var meta = me.getDatasetMeta(datasetIndex); + var type = dataset.type || me.config.type; + + if (meta.type && meta.type !== type) { + me.destroyDatasetMeta(datasetIndex); + meta = me.getDatasetMeta(datasetIndex); + } + meta.type = type; + + types.push(meta.type); + + if (meta.controller) { + meta.controller.updateIndex(datasetIndex); + meta.controller.linkScales(); + } else { + var ControllerClass = Chart.controllers[meta.type]; + if (ControllerClass === undefined) { + throw new Error('"' + meta.type + '" is not a chart type.'); + } + + meta.controller = new ControllerClass(me, datasetIndex); + newControllers.push(meta.controller); + } + }, me); + + return newControllers; + }, + + /** + * Reset the elements of all datasets + * @private + */ + resetElements: function() { + var me = this; + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + me.getDatasetMeta(datasetIndex).controller.reset(); + }, me); + }, + + /** + * Resets the chart back to it's state before the initial animation + */ + reset: function() { + this.resetElements(); + this.tooltip.initialize(); + }, + + update: function(config) { + var me = this; + + if (!config || typeof config !== 'object') { + // backwards compatibility + config = { + duration: config, + lazy: arguments[1] + }; + } + + updateConfig(me); + + // plugins options references might have change, let's invalidate the cache + // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 + plugins._invalidate(me); + + if (plugins.notify(me, 'beforeUpdate') === false) { + return; + } + + // In case the entire data object changed + me.tooltip._data = me.data; + + // Make sure dataset controllers are updated and new controllers are reset + var newControllers = me.buildOrUpdateControllers(); + + // Make sure all dataset controllers have correct meta data counts + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); + }, me); + + me.updateLayout(); + + // Can only reset the new controllers after the scales have been updated + if (me.options.animation && me.options.animation.duration) { + helpers.each(newControllers, function(controller) { + controller.reset(); + }); + } + + me.updateDatasets(); + + // Need to reset tooltip in case it is displayed with elements that are removed + // after update. + me.tooltip.initialize(); + + // Last active contains items that were previously in the tooltip. + // When we reset the tooltip, we need to clear it + me.lastActive = []; + + // Do this before render so that any plugins that need final scale updates can use it + plugins.notify(me, 'afterUpdate'); + + if (me._bufferedRender) { + me._bufferedRequest = { + duration: config.duration, + easing: config.easing, + lazy: config.lazy + }; + } else { + me.render(config); + } + }, + + /** + * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` + * hook, in which case, plugins will not be called on `afterLayout`. + * @private + */ + updateLayout: function() { + var me = this; + + if (plugins.notify(me, 'beforeLayout') === false) { + return; + } + + layouts.update(this, this.width, this.height); + + /** + * Provided for backward compatibility, use `afterLayout` instead. + * @method IPlugin#afterScaleUpdate + * @deprecated since version 2.5.0 + * @todo remove at version 3 + * @private + */ + plugins.notify(me, 'afterScaleUpdate'); + plugins.notify(me, 'afterLayout'); + }, + + /** + * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` + * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. + * @private + */ + updateDatasets: function() { + var me = this; + + if (plugins.notify(me, 'beforeDatasetsUpdate') === false) { + return; + } + + for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { + me.updateDataset(i); + } + + plugins.notify(me, 'afterDatasetsUpdate'); + }, + + /** + * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` + * hook, in which case, plugins will not be called on `afterDatasetUpdate`. + * @private + */ + updateDataset: function(index) { + var me = this; + var meta = me.getDatasetMeta(index); + var args = { + meta: meta, + index: index + }; + + if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { + return; + } + + meta.controller.update(); + + plugins.notify(me, 'afterDatasetUpdate', [args]); + }, + + render: function(config) { + var me = this; + + if (!config || typeof config !== 'object') { + // backwards compatibility + config = { + duration: config, + lazy: arguments[1] + }; + } + + var duration = config.duration; + var lazy = config.lazy; + + if (plugins.notify(me, 'beforeRender') === false) { + return; + } + + var animationOptions = me.options.animation; + var onComplete = function(animation) { + plugins.notify(me, 'afterRender'); + helpers.callback(animationOptions && animationOptions.onComplete, [animation], me); + }; + + if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) { + var animation = new Animation({ + numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps + easing: config.easing || animationOptions.easing, + + render: function(chart, animationObject) { + var easingFunction = helpers.easing.effects[animationObject.easing]; + var currentStep = animationObject.currentStep; + var stepDecimal = currentStep / animationObject.numSteps; + + chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); + }, + + onAnimationProgress: animationOptions.onProgress, + onAnimationComplete: onComplete + }); + + animations.addAnimation(me, animation, duration, lazy); + } else { + me.draw(); + + // See https://github.com/chartjs/Chart.js/issues/3781 + onComplete(new Animation({numSteps: 0, chart: me})); + } + + return me; + }, + + draw: function(easingValue) { + var me = this; + + me.clear(); + + if (helpers.isNullOrUndef(easingValue)) { + easingValue = 1; + } + + me.transition(easingValue); + + if (me.width <= 0 || me.height <= 0) { + return; + } + + if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) { + return; + } + + // Draw all the scales + helpers.each(me.boxes, function(box) { + box.draw(me.chartArea); + }, me); + + if (me.scale) { + me.scale.draw(); + } + + me.drawDatasets(easingValue); + me._drawTooltip(easingValue); + + plugins.notify(me, 'afterDraw', [easingValue]); + }, + + /** + * @private + */ + transition: function(easingValue) { + var me = this; + + for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { + if (me.isDatasetVisible(i)) { + me.getDatasetMeta(i).controller.transition(easingValue); + } + } + + me.tooltip.transition(easingValue); + }, + + /** + * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` + * hook, in which case, plugins will not be called on `afterDatasetsDraw`. + * @private + */ + drawDatasets: function(easingValue) { + var me = this; + + if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { + return; + } + + // Draw datasets reversed to support proper line stacking + for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { + if (me.isDatasetVisible(i)) { + me.drawDataset(i, easingValue); + } + } + + plugins.notify(me, 'afterDatasetsDraw', [easingValue]); + }, + + /** + * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` + * hook, in which case, plugins will not be called on `afterDatasetDraw`. + * @private + */ + drawDataset: function(index, easingValue) { + var me = this; + var meta = me.getDatasetMeta(index); + var args = { + meta: meta, + index: index, + easingValue: easingValue + }; + + if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { + return; + } + + meta.controller.draw(easingValue); + + plugins.notify(me, 'afterDatasetDraw', [args]); + }, + + /** + * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` + * hook, in which case, plugins will not be called on `afterTooltipDraw`. + * @private + */ + _drawTooltip: function(easingValue) { + var me = this; + var tooltip = me.tooltip; + var args = { + tooltip: tooltip, + easingValue: easingValue + }; + + if (plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { + return; + } + + tooltip.draw(); + + plugins.notify(me, 'afterTooltipDraw', [args]); + }, + + // Get the single element that was clicked on + // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw + getElementAtEvent: function(e) { + return Interaction.modes.single(this, e); + }, + + getElementsAtEvent: function(e) { + return Interaction.modes.label(this, e, {intersect: true}); + }, + + getElementsAtXAxis: function(e) { + return Interaction.modes['x-axis'](this, e, {intersect: true}); + }, + + getElementsAtEventForMode: function(e, mode, options) { + var method = Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options); + } + + return []; + }, + + getDatasetAtEvent: function(e) { + return Interaction.modes.dataset(this, e, {intersect: true}); + }, + + getDatasetMeta: function(datasetIndex) { + var me = this; + var dataset = me.data.datasets[datasetIndex]; + if (!dataset._meta) { + dataset._meta = {}; + } + + var meta = dataset._meta[me.id]; + if (!meta) { + meta = dataset._meta[me.id] = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, // See isDatasetVisible() comment + xAxisID: null, + yAxisID: null + }; + } + + return meta; + }, + + getVisibleDatasetCount: function() { + var count = 0; + for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + if (this.isDatasetVisible(i)) { + count++; + } + } + return count; + }, + + isDatasetVisible: function(datasetIndex) { + var meta = this.getDatasetMeta(datasetIndex); + + // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, + // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. + return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; + }, + + generateLegend: function() { + return this.options.legendCallback(this); + }, + + /** + * @private + */ + destroyDatasetMeta: function(datasetIndex) { + var id = this.id; + var dataset = this.data.datasets[datasetIndex]; + var meta = dataset._meta && dataset._meta[id]; + + if (meta) { + meta.controller.destroy(); + delete dataset._meta[id]; + } + }, + + destroy: function() { + var me = this; + var canvas = me.canvas; + var i, ilen; + + me.stop(); + + // dataset controllers need to cleanup associated data + for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { + me.destroyDatasetMeta(i); + } + + if (canvas) { + me.unbindEvents(); + helpers.canvas.clear(me); + platform.releaseContext(me.ctx); + me.canvas = null; + me.ctx = null; + } + + plugins.notify(me, 'destroy'); + + delete Chart.instances[me.id]; + }, + + toBase64Image: function() { + return this.canvas.toDataURL.apply(this.canvas, arguments); + }, + + initToolTip: function() { + var me = this; + me.tooltip = new Tooltip({ + _chart: me, + _chartInstance: me, // deprecated, backward compatibility + _data: me.data, + _options: me.options.tooltips + }, me); + }, + + /** + * @private + */ + bindEvents: function() { + var me = this; + var listeners = me._listeners = {}; + var listener = function() { + me.eventHandler.apply(me, arguments); + }; + + helpers.each(me.options.events, function(type) { + platform.addEventListener(me, type, listener); + listeners[type] = listener; + }); + + // Elements used to detect size change should not be injected for non responsive charts. + // See https://github.com/chartjs/Chart.js/issues/2210 + if (me.options.responsive) { + listener = function() { + me.resize(); + }; + + platform.addEventListener(me, 'resize', listener); + listeners.resize = listener; + } + }, + + /** + * @private + */ + unbindEvents: function() { + var me = this; + var listeners = me._listeners; + if (!listeners) { + return; + } + + delete me._listeners; + helpers.each(listeners, function(listener, type) { + platform.removeEventListener(me, type, listener); + }); + }, + + updateHoverStyle: function(elements, mode, enabled) { + var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; + var element, i, ilen; + + for (i = 0, ilen = elements.length; i < ilen; ++i) { + element = elements[i]; + if (element) { + this.getDatasetMeta(element._datasetIndex).controller[method](element); + } + } + }, + + /** + * @private + */ + eventHandler: function(e) { + var me = this; + var tooltip = me.tooltip; + + if (plugins.notify(me, 'beforeEvent', [e]) === false) { + return; + } + + // Buffer any update calls so that renders do not occur + me._bufferedRender = true; + me._bufferedRequest = null; + + var changed = me.handleEvent(e); + // for smooth tooltip animations issue #4989 + // the tooltip should be the source of change + // Animation check workaround: + // tooltip._start will be null when tooltip isn't animating + if (tooltip) { + changed = tooltip._start + ? tooltip.handleEvent(e) + : changed | tooltip.handleEvent(e); + } + + plugins.notify(me, 'afterEvent', [e]); + + var bufferedRequest = me._bufferedRequest; + if (bufferedRequest) { + // If we have an update that was triggered, we need to do a normal render + me.render(bufferedRequest); + } else if (changed && !me.animating) { + // If entering, leaving, or changing elements, animate the change via pivot + me.stop(); + + // We only need to render at this point. Updating will cause scales to be + // recomputed generating flicker & using more memory than necessary. + me.render({ + duration: me.options.hover.animationDuration, + lazy: true + }); + } + + me._bufferedRender = false; + me._bufferedRequest = null; + + return me; + }, + + /** + * Handle an event + * @private + * @param {IEvent} event the event to handle + * @return {Boolean} true if the chart needs to re-render + */ + handleEvent: function(e) { + var me = this; + var options = me.options || {}; + var hoverOptions = options.hover; + var changed = false; + + me.lastActive = me.lastActive || []; + + // Find Active Elements for hover and tooltips + if (e.type === 'mouseout') { + me.active = []; + } else { + me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); + } + + // Invoke onHover hook + // Need to call with native event here to not break backwards compatibility + helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); + + if (e.type === 'mouseup' || e.type === 'click') { + if (options.onClick) { + // Use e.native here for backwards compatibility + options.onClick.call(me, e.native, me.active); + } + } + + // Remove styling for last active (even if it may still be active) + if (me.lastActive.length) { + me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); + } + + // Built in hover styling + if (me.active.length && hoverOptions.mode) { + me.updateHoverStyle(me.active, hoverOptions.mode, true); + } + + changed = !helpers.arrayEquals(me.active, me.lastActive); + + // Remember Last Actives + me.lastActive = me.active; + + return changed; + } + }); + + /** + * Provided for backward compatibility, use Chart instead. + * @class Chart.Controller + * @deprecated since version 2.6.0 + * @todo remove at version 3 + * @private + */ + Chart.Controller = Chart; +}; + +},{"22":22,"23":23,"26":26,"29":29,"31":31,"32":32,"34":34,"36":36,"46":46,"49":49}],25:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); + +module.exports = function(Chart) { + + var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; + + /** + * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', + * 'unshift') and notify the listener AFTER the array has been altered. Listeners are + * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. + */ + function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + + Object.defineProperty(array, '_chartjs', { + configurable: true, + enumerable: false, + value: { + listeners: [listener] + } + }); + + arrayEvents.forEach(function(key) { + var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); + var base = array[key]; + + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value: function() { + var args = Array.prototype.slice.call(arguments); + var res = base.apply(this, args); + + helpers.each(array._chartjs.listeners, function(object) { + if (typeof object[method] === 'function') { + object[method].apply(object, args); + } + }); + + return res; + } + }); + }); + } + + /** + * Removes the given array event listener and cleanup extra attached properties (such as + * the _chartjs stub and overridden methods) if array doesn't have any more listeners. + */ + function unlistenArrayEvents(array, listener) { + var stub = array._chartjs; + if (!stub) { + return; + } + + var listeners = stub.listeners; + var index = listeners.indexOf(listener); + if (index !== -1) { + listeners.splice(index, 1); + } + + if (listeners.length > 0) { + return; + } + + arrayEvents.forEach(function(key) { + delete array[key]; + }); + + delete array._chartjs; + } + + // Base class for all dataset controllers (line, bar, etc) + Chart.DatasetController = function(chart, datasetIndex) { + this.initialize(chart, datasetIndex); + }; + + helpers.extend(Chart.DatasetController.prototype, { + + /** + * Element type used to generate a meta dataset (e.g. Chart.element.Line). + * @type {Chart.core.element} + */ + datasetElementType: null, + + /** + * Element type used to generate a meta data (e.g. Chart.element.Point). + * @type {Chart.core.element} + */ + dataElementType: null, + + initialize: function(chart, datasetIndex) { + var me = this; + me.chart = chart; + me.index = datasetIndex; + me.linkScales(); + me.addElements(); + }, + + updateIndex: function(datasetIndex) { + this.index = datasetIndex; + }, + + linkScales: function() { + var me = this; + var meta = me.getMeta(); + var dataset = me.getDataset(); + + if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { + meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; + } + if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { + meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; + } + }, + + getDataset: function() { + return this.chart.data.datasets[this.index]; + }, + + getMeta: function() { + return this.chart.getDatasetMeta(this.index); + }, + + getScaleForId: function(scaleID) { + return this.chart.scales[scaleID]; + }, + + reset: function() { + this.update(true); + }, + + /** + * @private + */ + destroy: function() { + if (this._data) { + unlistenArrayEvents(this._data, this); + } + }, + + createMetaDataset: function() { + var me = this; + var type = me.datasetElementType; + return type && new type({ + _chart: me.chart, + _datasetIndex: me.index + }); + }, + + createMetaData: function(index) { + var me = this; + var type = me.dataElementType; + return type && new type({ + _chart: me.chart, + _datasetIndex: me.index, + _index: index + }); + }, + + addElements: function() { + var me = this; + var meta = me.getMeta(); + var data = me.getDataset().data || []; + var metaData = meta.data; + var i, ilen; + + for (i = 0, ilen = data.length; i < ilen; ++i) { + metaData[i] = metaData[i] || me.createMetaData(i); + } + + meta.dataset = meta.dataset || me.createMetaDataset(); + }, + + addElementAndReset: function(index) { + var element = this.createMetaData(index); + this.getMeta().data.splice(index, 0, element); + this.updateElement(element, index, true); + }, + + buildOrUpdateElements: function() { + var me = this; + var dataset = me.getDataset(); + var data = dataset.data || (dataset.data = []); + + // In order to correctly handle data addition/deletion animation (an thus simulate + // real-time charts), we need to monitor these data modifications and synchronize + // the internal meta data accordingly. + if (me._data !== data) { + if (me._data) { + // This case happens when the user replaced the data array instance. + unlistenArrayEvents(me._data, me); + } + + listenArrayEvents(data, me); + me._data = data; + } + + // Re-sync meta data in case the user replaced the data array or if we missed + // any updates and so make sure that we handle number of datapoints changing. + me.resyncElements(); + }, + + update: helpers.noop, + + transition: function(easingValue) { + var meta = this.getMeta(); + var elements = meta.data || []; + var ilen = elements.length; + var i = 0; + + for (; i < ilen; ++i) { + elements[i].transition(easingValue); + } + + if (meta.dataset) { + meta.dataset.transition(easingValue); + } + }, + + draw: function() { + var meta = this.getMeta(); + var elements = meta.data || []; + var ilen = elements.length; + var i = 0; + + if (meta.dataset) { + meta.dataset.draw(); + } + + for (; i < ilen; ++i) { + elements[i].draw(); + } + }, + + removeHoverStyle: function(element) { + helpers.merge(element._model, element.$previousStyle || {}); + delete element.$previousStyle; + }, + + setHoverStyle: function(element) { + var dataset = this.chart.data.datasets[element._datasetIndex]; + var index = element._index; + var custom = element.custom || {}; + var valueOrDefault = helpers.valueAtIndexOrDefault; + var getHoverColor = helpers.getHoverColor; + var model = element._model; + + element.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth + }; + + model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor)); + model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor)); + model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); + }, + + /** + * @private + */ + resyncElements: function() { + var me = this; + var meta = me.getMeta(); + var data = me.getDataset().data; + var numMeta = meta.data.length; + var numData = data.length; + + if (numData < numMeta) { + meta.data.splice(numData, numMeta - numData); + } else if (numData > numMeta) { + me.insertElements(numMeta, numData - numMeta); + } + }, + + /** + * @private + */ + insertElements: function(start, count) { + for (var i = 0; i < count; ++i) { + this.addElementAndReset(start + i); + } + }, + + /** + * @private + */ + onDataPush: function() { + this.insertElements(this.getDataset().data.length - 1, arguments.length); + }, + + /** + * @private + */ + onDataPop: function() { + this.getMeta().data.pop(); + }, + + /** + * @private + */ + onDataShift: function() { + this.getMeta().data.shift(); + }, + + /** + * @private + */ + onDataSplice: function(start, count) { + this.getMeta().data.splice(start, count); + this.insertElements(start, arguments.length - 2); + }, + + /** + * @private + */ + onDataUnshift: function() { + this.insertElements(0, arguments.length); + } + }); + + Chart.DatasetController.extend = helpers.inherits; +}; + +},{"46":46}],26:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); + +module.exports = { + /** + * @private + */ + _set: function(scope, values) { + return helpers.merge(this[scope] || (this[scope] = {}), values); + } +}; + +},{"46":46}],27:[function(require,module,exports){ +'use strict'; + +var color = require(2); +var helpers = require(46); + +function interpolate(start, view, model, ease) { + var keys = Object.keys(model); + var i, ilen, key, actual, origin, target, type, c0, c1; + + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + + target = model[key]; + + // if a value is added to the model after pivot() has been called, the view + // doesn't contain it, so let's initialize the view to the target value. + if (!view.hasOwnProperty(key)) { + view[key] = target; + } + + actual = view[key]; + + if (actual === target || key[0] === '_') { + continue; + } + + if (!start.hasOwnProperty(key)) { + start[key] = actual; + } + + origin = start[key]; + + type = typeof target; + + if (type === typeof origin) { + if (type === 'string') { + c0 = color(origin); + if (c0.valid) { + c1 = color(target); + if (c1.valid) { + view[key] = c1.mix(c0, ease).rgbString(); + continue; + } + } + } else if (type === 'number' && isFinite(origin) && isFinite(target)) { + view[key] = origin + (target - origin) * ease; + continue; + } + } + + view[key] = target; + } +} + +var Element = function(configuration) { + helpers.extend(this, configuration); + this.initialize.apply(this, arguments); +}; + +helpers.extend(Element.prototype, { + + initialize: function() { + this.hidden = false; + }, + + pivot: function() { + var me = this; + if (!me._view) { + me._view = helpers.clone(me._model); + } + me._start = {}; + return me; + }, + + transition: function(ease) { + var me = this; + var model = me._model; + var start = me._start; + var view = me._view; + + // No animation -> No Transition + if (!model || ease === 1) { + me._view = model; + me._start = null; + return me; + } + + if (!view) { + view = me._view = {}; + } + + if (!start) { + start = me._start = {}; + } + + interpolate(start, view, model, ease); + + return me; + }, + + tooltipPosition: function() { + return { + x: this._model.x, + y: this._model.y + }; + }, + + hasValue: function() { + return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y); + } +}); + +Element.extend = helpers.inherits; + +module.exports = Element; + +},{"2":2,"46":46}],28:[function(require,module,exports){ +/* global window: false */ +/* global document: false */ +'use strict'; + +var color = require(2); +var defaults = require(26); +var helpers = require(46); +var scaleService = require(34); + +module.exports = function() { + + // -- Basic js utility methods + + helpers.configMerge = function(/* objects ... */) { + return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), { + merger: function(key, target, source, options) { + var tval = target[key] || {}; + var sval = source[key]; + + if (key === 'scales') { + // scale config merging is complex. Add our own function here for that + target[key] = helpers.scaleMerge(tval, sval); + } else if (key === 'scale') { + // used in polar area & radar charts since there is only one scale + target[key] = helpers.merge(tval, [scaleService.getScaleDefaults(sval.type), sval]); + } else { + helpers._merger(key, target, source, options); + } + } + }); + }; + + helpers.scaleMerge = function(/* objects ... */) { + return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), { + merger: function(key, target, source, options) { + if (key === 'xAxes' || key === 'yAxes') { + var slen = source[key].length; + var i, type, scale; + + if (!target[key]) { + target[key] = []; + } + + for (i = 0; i < slen; ++i) { + scale = source[key][i]; + type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear'); + + if (i >= target[key].length) { + target[key].push({}); + } + + if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { + // new/untyped scale or type changed: let's apply the new defaults + // then merge source scale to correctly overwrite the defaults. + helpers.merge(target[key][i], [scaleService.getScaleDefaults(type), scale]); + } else { + // scales type are the same + helpers.merge(target[key][i], scale); + } + } + } else { + helpers._merger(key, target, source, options); + } + } + }); + }; + + helpers.where = function(collection, filterCallback) { + if (helpers.isArray(collection) && Array.prototype.filter) { + return collection.filter(filterCallback); + } + var filtered = []; + + helpers.each(collection, function(item) { + if (filterCallback(item)) { + filtered.push(item); + } + }); + + return filtered; + }; + helpers.findIndex = Array.prototype.findIndex ? + function(array, callback, scope) { + return array.findIndex(callback, scope); + } : + function(array, callback, scope) { + scope = scope === undefined ? array : scope; + for (var i = 0, ilen = array.length; i < ilen; ++i) { + if (callback.call(scope, array[i], i, array)) { + return i; + } + } + return -1; + }; + helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { + // Default to start of the array + if (helpers.isNullOrUndef(startIndex)) { + startIndex = -1; + } + for (var i = startIndex + 1; i < arrayToSearch.length; i++) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)) { + return currentItem; + } + } + }; + helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { + // Default to end of the array + if (helpers.isNullOrUndef(startIndex)) { + startIndex = arrayToSearch.length; + } + for (var i = startIndex - 1; i >= 0; i--) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)) { + return currentItem; + } + } + }; + + // -- Math methods + helpers.isNumber = function(n) { + return !isNaN(parseFloat(n)) && isFinite(n); + }; + helpers.almostEquals = function(x, y, epsilon) { + return Math.abs(x - y) < epsilon; + }; + helpers.almostWhole = function(x, epsilon) { + var rounded = Math.round(x); + return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); + }; + helpers.max = function(array) { + return array.reduce(function(max, value) { + if (!isNaN(value)) { + return Math.max(max, value); + } + return max; + }, Number.NEGATIVE_INFINITY); + }; + helpers.min = function(array) { + return array.reduce(function(min, value) { + if (!isNaN(value)) { + return Math.min(min, value); + } + return min; + }, Number.POSITIVE_INFINITY); + }; + helpers.sign = Math.sign ? + function(x) { + return Math.sign(x); + } : + function(x) { + x = +x; // convert to a number + if (x === 0 || isNaN(x)) { + return x; + } + return x > 0 ? 1 : -1; + }; + helpers.log10 = Math.log10 ? + function(x) { + return Math.log10(x); + } : + function(x) { + var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. + // Check for whole powers of 10, + // which due to floating point rounding error should be corrected. + var powerOf10 = Math.round(exponent); + var isPowerOf10 = x === Math.pow(10, powerOf10); + + return isPowerOf10 ? powerOf10 : exponent; + }; + helpers.toRadians = function(degrees) { + return degrees * (Math.PI / 180); + }; + helpers.toDegrees = function(radians) { + return radians * (180 / Math.PI); + }; + // Gets the angle from vertical upright to the point about a centre. + helpers.getAngleFromPoint = function(centrePoint, anglePoint) { + var distanceFromXCenter = anglePoint.x - centrePoint.x; + var distanceFromYCenter = anglePoint.y - centrePoint.y; + var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + + var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + + if (angle < (-0.5 * Math.PI)) { + angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] + } + + return { + angle: angle, + distance: radialDistanceFromCenter + }; + }; + helpers.distanceBetweenPoints = function(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); + }; + helpers.aliasPixel = function(pixelWidth) { + return (pixelWidth % 2 === 0) ? 0 : 0.5; + }; + helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { + // Props to Rob Spencer at scaled innovation for his post on splining between points + // http://scaledinnovation.com/analytics/splines/aboutSplines.html + + // This function must also respect "skipped" points + + var previous = firstPoint.skip ? middlePoint : firstPoint; + var current = middlePoint; + var next = afterPoint.skip ? middlePoint : afterPoint; + + var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); + var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); + + var s01 = d01 / (d01 + d12); + var s12 = d12 / (d01 + d12); + + // If all points are the same, s01 & s02 will be inf + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + + var fa = t * s01; // scaling factor for triangle Ta + var fb = t * s12; + + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; + }; + helpers.EPSILON = Number.EPSILON || 1e-14; + helpers.splineCurveMonotone = function(points) { + // This function calculates Bézier control points in a similar way than |splineCurve|, + // but preserves monotonicity of the provided data and ensures no local extremums are added + // between the dataset discrete points due to the interpolation. + // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation + + var pointsWithTangents = (points || []).map(function(point) { + return { + model: point._model, + deltaK: 0, + mK: 0 + }; + }); + + // Calculate slopes (deltaK) and initialize tangents (mK) + var pointsLen = pointsWithTangents.length; + var i, pointBefore, pointCurrent, pointAfter; + for (i = 0; i < pointsLen; ++i) { + pointCurrent = pointsWithTangents[i]; + if (pointCurrent.model.skip) { + continue; + } + + pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; + pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; + if (pointAfter && !pointAfter.model.skip) { + var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); + + // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 + pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; + } + + if (!pointBefore || pointBefore.model.skip) { + pointCurrent.mK = pointCurrent.deltaK; + } else if (!pointAfter || pointAfter.model.skip) { + pointCurrent.mK = pointBefore.deltaK; + } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { + pointCurrent.mK = 0; + } else { + pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; + } + } + + // Adjust tangents to ensure monotonic properties + var alphaK, betaK, tauK, squaredMagnitude; + for (i = 0; i < pointsLen - 1; ++i) { + pointCurrent = pointsWithTangents[i]; + pointAfter = pointsWithTangents[i + 1]; + if (pointCurrent.model.skip || pointAfter.model.skip) { + continue; + } + + if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { + pointCurrent.mK = pointAfter.mK = 0; + continue; + } + + alphaK = pointCurrent.mK / pointCurrent.deltaK; + betaK = pointAfter.mK / pointCurrent.deltaK; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + + tauK = 3 / Math.sqrt(squaredMagnitude); + pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; + pointAfter.mK = betaK * tauK * pointCurrent.deltaK; + } + + // Compute control points + var deltaX; + for (i = 0; i < pointsLen; ++i) { + pointCurrent = pointsWithTangents[i]; + if (pointCurrent.model.skip) { + continue; + } + + pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; + pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; + if (pointBefore && !pointBefore.model.skip) { + deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; + pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; + pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; + } + if (pointAfter && !pointAfter.model.skip) { + deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; + pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; + pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; + } + } + }; + helpers.nextItem = function(collection, index, loop) { + if (loop) { + return index >= collection.length - 1 ? collection[0] : collection[index + 1]; + } + return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; + }; + helpers.previousItem = function(collection, index, loop) { + if (loop) { + return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; + } + return index <= 0 ? collection[0] : collection[index - 1]; + }; + // Implementation of the nice number algorithm used in determining where axis labels will go + helpers.niceNum = function(range, round) { + var exponent = Math.floor(helpers.log10(range)); + var fraction = range / Math.pow(10, exponent); + var niceFraction; + + if (round) { + if (fraction < 1.5) { + niceFraction = 1; + } else if (fraction < 3) { + niceFraction = 2; + } else if (fraction < 7) { + niceFraction = 5; + } else { + niceFraction = 10; + } + } else if (fraction <= 1.0) { + niceFraction = 1; + } else if (fraction <= 2) { + niceFraction = 2; + } else if (fraction <= 5) { + niceFraction = 5; + } else { + niceFraction = 10; + } + + return niceFraction * Math.pow(10, exponent); + }; + // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ + helpers.requestAnimFrame = (function() { + if (typeof window === 'undefined') { + return function(callback) { + callback(); + }; + } + return window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback) { + return window.setTimeout(callback, 1000 / 60); + }; + }()); + // -- DOM methods + helpers.getRelativePosition = function(evt, chart) { + var mouseX, mouseY; + var e = evt.originalEvent || evt; + var canvas = evt.target || evt.srcElement; + var boundingRect = canvas.getBoundingClientRect(); + + var touches = e.touches; + if (touches && touches.length > 0) { + mouseX = touches[0].clientX; + mouseY = touches[0].clientY; + + } else { + mouseX = e.clientX; + mouseY = e.clientY; + } + + // Scale mouse coordinates into canvas coordinates + // by following the pattern laid out by 'jerryj' in the comments of + // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ + var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left')); + var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top')); + var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right')); + var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom')); + var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; + var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; + + // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However + // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here + mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); + mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); + + return { + x: mouseX, + y: mouseY + }; + + }; + + // Private helper function to convert max-width/max-height values that may be percentages into a number + function parseMaxStyle(styleValue, node, parentProperty) { + var valueInPixels; + if (typeof styleValue === 'string') { + valueInPixels = parseInt(styleValue, 10); + + if (styleValue.indexOf('%') !== -1) { + // percentage * size in dimension + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + + return valueInPixels; + } + + /** + * Returns if the given value contains an effective constraint. + * @private + */ + function isConstrainedValue(value) { + return value !== undefined && value !== null && value !== 'none'; + } + + // Private helper to get a constraint dimension + // @param domNode : the node to check the constraint on + // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight) + // @param percentageProperty : property of parent to use when calculating width as a percentage + // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser + function getConstraintDimension(domNode, maxStyle, percentageProperty) { + var view = document.defaultView; + var parentNode = helpers._getParentNode(domNode); + var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; + var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; + var hasCNode = isConstrainedValue(constrainedNode); + var hasCContainer = isConstrainedValue(constrainedContainer); + var infinity = Number.POSITIVE_INFINITY; + + if (hasCNode || hasCContainer) { + return Math.min( + hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, + hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); + } + + return 'none'; + } + // returns Number or undefined if no constraint + helpers.getConstraintWidth = function(domNode) { + return getConstraintDimension(domNode, 'max-width', 'clientWidth'); + }; + // returns Number or undefined if no constraint + helpers.getConstraintHeight = function(domNode) { + return getConstraintDimension(domNode, 'max-height', 'clientHeight'); + }; + /** + * @private + */ + helpers._calculatePadding = function(container, padding, parentDimension) { + padding = helpers.getStyle(container, padding); + + return padding.indexOf('%') > -1 ? parentDimension / parseInt(padding, 10) : parseInt(padding, 10); + }; + /** + * @private + */ + helpers._getParentNode = function(domNode) { + var parent = domNode.parentNode; + if (parent && parent.host) { + parent = parent.host; + } + return parent; + }; + helpers.getMaximumWidth = function(domNode) { + var container = helpers._getParentNode(domNode); + if (!container) { + return domNode.clientWidth; + } + + var clientWidth = container.clientWidth; + var paddingLeft = helpers._calculatePadding(container, 'padding-left', clientWidth); + var paddingRight = helpers._calculatePadding(container, 'padding-right', clientWidth); + + var w = clientWidth - paddingLeft - paddingRight; + var cw = helpers.getConstraintWidth(domNode); + return isNaN(cw) ? w : Math.min(w, cw); + }; + helpers.getMaximumHeight = function(domNode) { + var container = helpers._getParentNode(domNode); + if (!container) { + return domNode.clientHeight; + } + + var clientHeight = container.clientHeight; + var paddingTop = helpers._calculatePadding(container, 'padding-top', clientHeight); + var paddingBottom = helpers._calculatePadding(container, 'padding-bottom', clientHeight); + + var h = clientHeight - paddingTop - paddingBottom; + var ch = helpers.getConstraintHeight(domNode); + return isNaN(ch) ? h : Math.min(h, ch); + }; + helpers.getStyle = function(el, property) { + return el.currentStyle ? + el.currentStyle[property] : + document.defaultView.getComputedStyle(el, null).getPropertyValue(property); + }; + helpers.retinaScale = function(chart, forceRatio) { + var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; + if (pixelRatio === 1) { + return; + } + + var canvas = chart.canvas; + var height = chart.height; + var width = chart.width; + + canvas.height = height * pixelRatio; + canvas.width = width * pixelRatio; + chart.ctx.scale(pixelRatio, pixelRatio); + + // If no style has been set on the canvas, the render size is used as display size, + // making the chart visually bigger, so let's enforce it to the "correct" values. + // See https://github.com/chartjs/Chart.js/issues/3575 + if (!canvas.style.height && !canvas.style.width) { + canvas.style.height = height + 'px'; + canvas.style.width = width + 'px'; + } + }; + // -- Canvas methods + helpers.fontString = function(pixelSize, fontStyle, fontFamily) { + return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; + }; + helpers.longestText = function(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + var data = cache.data = cache.data || {}; + var gc = cache.garbageCollect = cache.garbageCollect || []; + + if (cache.font !== font) { + data = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + + ctx.font = font; + var longest = 0; + helpers.each(arrayOfThings, function(thing) { + // Undefined strings and arrays should not be measured + if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) { + longest = helpers.measureText(ctx, data, gc, longest, thing); + } else if (helpers.isArray(thing)) { + // if it is an array lets measure each element + // to do maybe simplify this function a bit so we can do this more recursively? + helpers.each(thing, function(nestedThing) { + // Undefined strings and arrays should not be measured + if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) { + longest = helpers.measureText(ctx, data, gc, longest, nestedThing); + } + }); + } + }); + + var gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for (var i = 0; i < gcLen; i++) { + delete data[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; + }; + helpers.measureText = function(ctx, data, gc, longest, string) { + var textWidth = data[string]; + if (!textWidth) { + textWidth = data[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; + }; + helpers.numberOfLabelLines = function(arrayOfThings) { + var numberOfLines = 1; + helpers.each(arrayOfThings, function(thing) { + if (helpers.isArray(thing)) { + if (thing.length > numberOfLines) { + numberOfLines = thing.length; + } + } + }); + return numberOfLines; + }; + + helpers.color = !color ? + function(value) { + console.error('Color.js not found!'); + return value; + } : + function(value) { + /* global CanvasGradient */ + if (value instanceof CanvasGradient) { + value = defaults.global.defaultColor; + } + + return color(value); + }; + + helpers.getHoverColor = function(colorValue) { + /* global CanvasPattern */ + return (colorValue instanceof CanvasPattern) ? + colorValue : + helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString(); + }; +}; + +},{"2":2,"26":26,"34":34,"46":46}],29:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); + +/** + * Helper function to get relative position for an event + * @param {Event|IEvent} event - The event to get the position for + * @param {Chart} chart - The chart + * @returns {Point} the event position + */ +function getRelativePosition(e, chart) { + if (e.native) { + return { + x: e.x, + y: e.y + }; + } + + return helpers.getRelativePosition(e, chart); +} + +/** + * Helper function to traverse all of the visible elements in the chart + * @param chart {chart} the chart + * @param handler {Function} the callback to execute for each visible item + */ +function parseVisibleItems(chart, handler) { + var datasets = chart.data.datasets; + var meta, i, j, ilen, jlen; + + for (i = 0, ilen = datasets.length; i < ilen; ++i) { + if (!chart.isDatasetVisible(i)) { + continue; + } + + meta = chart.getDatasetMeta(i); + for (j = 0, jlen = meta.data.length; j < jlen; ++j) { + var element = meta.data[j]; + if (!element._view.skip) { + handler(element); + } + } + } +} + +/** + * Helper function to get the items that intersect the event position + * @param items {ChartElement[]} elements to filter + * @param position {Point} the point to be nearest to + * @return {ChartElement[]} the nearest items + */ +function getIntersectItems(chart, position) { + var elements = []; + + parseVisibleItems(chart, function(element) { + if (element.inRange(position.x, position.y)) { + elements.push(element); + } + }); + + return elements; +} + +/** + * Helper function to get the items nearest to the event position considering all visible items in teh chart + * @param chart {Chart} the chart to look at elements from + * @param position {Point} the point to be nearest to + * @param intersect {Boolean} if true, only consider items that intersect the position + * @param distanceMetric {Function} function to provide the distance between points + * @return {ChartElement[]} the nearest items + */ +function getNearestItems(chart, position, intersect, distanceMetric) { + var minDistance = Number.POSITIVE_INFINITY; + var nearestItems = []; + + parseVisibleItems(chart, function(element) { + if (intersect && !element.inRange(position.x, position.y)) { + return; + } + + var center = element.getCenterPoint(); + var distance = distanceMetric(position, center); + + if (distance < minDistance) { + nearestItems = [element]; + minDistance = distance; + } else if (distance === minDistance) { + // Can have multiple items at the same distance in which case we sort by size + nearestItems.push(element); + } + }); + + return nearestItems; +} + +/** + * Get a distance metric function for two points based on the + * axis mode setting + * @param {String} axis the axis mode. x|y|xy + */ +function getDistanceMetricForAxis(axis) { + var useX = axis.indexOf('x') !== -1; + var useY = axis.indexOf('y') !== -1; + + return function(pt1, pt2) { + var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} + +function indexMode(chart, e, options) { + var position = getRelativePosition(e, chart); + // Default axis for index mode is 'x' to match old behaviour + options.axis = options.axis || 'x'; + var distanceMetric = getDistanceMetricForAxis(options.axis); + var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); + var elements = []; + + if (!items.length) { + return []; + } + + chart.data.datasets.forEach(function(dataset, datasetIndex) { + if (chart.isDatasetVisible(datasetIndex)) { + var meta = chart.getDatasetMeta(datasetIndex); + var element = meta.data[items[0]._index]; + + // don't count items that are skipped (null data) + if (element && !element._view.skip) { + elements.push(element); + } + } + }); + + return elements; +} + +/** + * @interface IInteractionOptions + */ +/** + * If true, only consider items that intersect the point + * @name IInterfaceOptions#boolean + * @type Boolean + */ + +/** + * Contains interaction related functions + * @namespace Chart.Interaction + */ +module.exports = { + // Helper function for different modes + modes: { + single: function(chart, e) { + var position = getRelativePosition(e, chart); + var elements = []; + + parseVisibleItems(chart, function(element) { + if (element.inRange(position.x, position.y)) { + elements.push(element); + return elements; + } + }); + + return elements.slice(0, 1); + }, + + /** + * @function Chart.Interaction.modes.label + * @deprecated since version 2.4.0 + * @todo remove at version 3 + * @private + */ + label: indexMode, + + /** + * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something + * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item + * @function Chart.Interaction.modes.index + * @since v2.4.0 + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use during interaction + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + index: indexMode, + + /** + * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something + * If the options.intersect is false, we find the nearest item and return the items in that dataset + * @function Chart.Interaction.modes.dataset + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use during interaction + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + dataset: function(chart, e, options) { + var position = getRelativePosition(e, chart); + options.axis = options.axis || 'xy'; + var distanceMetric = getDistanceMetricForAxis(options.axis); + var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); + + if (items.length > 0) { + items = chart.getDatasetMeta(items[0]._datasetIndex).data; + } + + return items; + }, + + /** + * @function Chart.Interaction.modes.x-axis + * @deprecated since version 2.4.0. Use index mode and intersect == true + * @todo remove at version 3 + * @private + */ + 'x-axis': function(chart, e) { + return indexMode(chart, e, {intersect: false}); + }, + + /** + * Point mode returns all elements that hit test based on the event position + * of the event + * @function Chart.Interaction.modes.intersect + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + point: function(chart, e) { + var position = getRelativePosition(e, chart); + return getIntersectItems(chart, position); + }, + + /** + * nearest mode returns the element closest to the point + * @function Chart.Interaction.modes.intersect + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + nearest: function(chart, e, options) { + var position = getRelativePosition(e, chart); + options.axis = options.axis || 'xy'; + var distanceMetric = getDistanceMetricForAxis(options.axis); + var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric); + + // We have multiple items at the same distance from the event. Now sort by smallest + if (nearestItems.length > 1) { + nearestItems.sort(function(a, b) { + var sizeA = a.getArea(); + var sizeB = b.getArea(); + var ret = sizeA - sizeB; + + if (ret === 0) { + // if equal sort by dataset index + ret = a._datasetIndex - b._datasetIndex; + } + + return ret; + }); + } + + // Return only 1 item + return nearestItems.slice(0, 1); + }, + + /** + * x mode returns the elements that hit-test at the current x coordinate + * @function Chart.Interaction.modes.x + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + x: function(chart, e, options) { + var position = getRelativePosition(e, chart); + var items = []; + var intersectsItem = false; + + parseVisibleItems(chart, function(element) { + if (element.inXRange(position.x)) { + items.push(element); + } + + if (element.inRange(position.x, position.y)) { + intersectsItem = true; + } + }); + + // If we want to trigger on an intersect and we don't have any items + // that intersect the position, return nothing + if (options.intersect && !intersectsItem) { + items = []; + } + return items; + }, + + /** + * y mode returns the elements that hit-test at the current y coordinate + * @function Chart.Interaction.modes.y + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + y: function(chart, e, options) { + var position = getRelativePosition(e, chart); + var items = []; + var intersectsItem = false; + + parseVisibleItems(chart, function(element) { + if (element.inYRange(position.y)) { + items.push(element); + } + + if (element.inRange(position.x, position.y)) { + intersectsItem = true; + } + }); + + // If we want to trigger on an intersect and we don't have any items + // that intersect the position, return nothing + if (options.intersect && !intersectsItem) { + items = []; + } + return items; + } + } +}; + +},{"46":46}],30:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); + +defaults._set('global', { + responsive: true, + responsiveAnimationDuration: 0, + maintainAspectRatio: true, + events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'], + hover: { + onHover: null, + mode: 'nearest', + intersect: true, + animationDuration: 400 + }, + onClick: null, + defaultColor: 'rgba(0,0,0,0.1)', + defaultFontColor: '#666', + defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + defaultFontSize: 12, + defaultFontStyle: 'normal', + showLines: true, + + // Element defaults defined in element extensions + elements: {}, + + // Layout options such as padding + layout: { + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } + } +}); + +module.exports = function() { + + // Occupy the global variable of Chart, and create a simple base class + var Chart = function(item, config) { + this.construct(item, config); + return this; + }; + + Chart.Chart = Chart; + + return Chart; +}; + +},{"26":26}],31:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); + +function filterByPosition(array, position) { + return helpers.where(array, function(v) { + return v.position === position; + }); +} + +function sortByWeight(array, reverse) { + array.forEach(function(v, i) { + v._tmpIndex_ = i; + return v; + }); + array.sort(function(a, b) { + var v0 = reverse ? b : a; + var v1 = reverse ? a : b; + return v0.weight === v1.weight ? + v0._tmpIndex_ - v1._tmpIndex_ : + v0.weight - v1.weight; + }); + array.forEach(function(v) { + delete v._tmpIndex_; + }); +} + +/** + * @interface ILayoutItem + * @prop {String} position - The position of the item in the chart layout. Possible values are + * 'left', 'top', 'right', 'bottom', and 'chartArea' + * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area + * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down + * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) + * @prop {Function} update - Takes two parameters: width and height. Returns size of item + * @prop {Function} getPadding - Returns an object with padding on the edges + * @prop {Number} width - Width of item. Must be valid after update() + * @prop {Number} height - Height of item. Must be valid after update() + * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update + * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update + * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update + * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update + */ + +// The layout service is very self explanatory. It's responsible for the layout within a chart. +// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need +// It is this service's responsibility of carrying out that layout. +module.exports = { + defaults: {}, + + /** + * Register a box to a chart. + * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. + * @param {Chart} chart - the chart to use + * @param {ILayoutItem} item - the item to add to be layed out + */ + addBox: function(chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + + // initialize item with default values + item.fullWidth = item.fullWidth || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + + chart.boxes.push(item); + }, + + /** + * Remove a layoutItem from a chart + * @param {Chart} chart - the chart to remove the box from + * @param {Object} layoutItem - the item to remove from the layout + */ + removeBox: function(chart, layoutItem) { + var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + + /** + * Sets (or updates) options on the given `item`. + * @param {Chart} chart - the chart in which the item lives (or will be added to) + * @param {Object} item - the item to configure with the given options + * @param {Object} options - the new item options. + */ + configure: function(chart, item, options) { + var props = ['fullWidth', 'position', 'weight']; + var ilen = props.length; + var i = 0; + var prop; + + for (; i < ilen; ++i) { + prop = props[i]; + if (options.hasOwnProperty(prop)) { + item[prop] = options[prop]; + } + } + }, + + /** + * Fits boxes of the given chart into the given size by having each box measure itself + * then running a fitting algorithm + * @param {Chart} chart - the chart + * @param {Number} width - the width to fit into + * @param {Number} height - the height to fit into + */ + update: function(chart, width, height) { + if (!chart) { + return; + } + + var layoutOptions = chart.options.layout || {}; + var padding = helpers.options.toPadding(layoutOptions.padding); + var leftPadding = padding.left; + var rightPadding = padding.right; + var topPadding = padding.top; + var bottomPadding = padding.bottom; + + var leftBoxes = filterByPosition(chart.boxes, 'left'); + var rightBoxes = filterByPosition(chart.boxes, 'right'); + var topBoxes = filterByPosition(chart.boxes, 'top'); + var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); + var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); + + // Sort boxes by weight. A higher weight is further away from the chart area + sortByWeight(leftBoxes, true); + sortByWeight(rightBoxes, false); + sortByWeight(topBoxes, true); + sortByWeight(bottomBoxes, false); + + // Essentially we now have any number of boxes on each of the 4 sides. + // Our canvas looks like the following. + // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and + // B1 is the bottom axis + // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays + // These locations are single-box locations only, when trying to register a chartArea location that is already taken, + // an error will be thrown. + // + // |----------------------------------------------------| + // | T1 (Full Width) | + // |----------------------------------------------------| + // | | | T2 | | + // | |----|-------------------------------------|----| + // | | | C1 | | C2 | | + // | | |----| |----| | + // | | | | | + // | L1 | L2 | ChartArea (C0) | R1 | + // | | | | | + // | | |----| |----| | + // | | | C3 | | C4 | | + // | |----|-------------------------------------|----| + // | | | B1 | | + // |----------------------------------------------------| + // | B2 (Full Width) | + // |----------------------------------------------------| + // + // What we do to find the best sizing, we do the following + // 1. Determine the minimum size of the chart area. + // 2. Split the remaining width equally between each vertical axis + // 3. Split the remaining height equally between each horizontal axis + // 4. Give each layout the maximum size it can be. The layout will return it's minimum size + // 5. Adjust the sizes of each axis based on it's minimum reported size. + // 6. Refit each axis + // 7. Position each axis in the final location + // 8. Tell the chart the final location of the chart area + // 9. Tell any axes that overlay the chart area the positions of the chart area + + // Step 1 + var chartWidth = width - leftPadding - rightPadding; + var chartHeight = height - topPadding - bottomPadding; + var chartAreaWidth = chartWidth / 2; // min 50% + var chartAreaHeight = chartHeight / 2; // min 50% + + // Step 2 + var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length); + + // Step 3 + var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length); + + // Step 4 + var maxChartAreaWidth = chartWidth; + var maxChartAreaHeight = chartHeight; + var minBoxSizes = []; + + function getMinimumBoxSize(box) { + var minSize; + var isHorizontal = box.isHorizontal(); + + if (isHorizontal) { + minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight); + maxChartAreaHeight -= minSize.height; + } else { + minSize = box.update(verticalBoxWidth, maxChartAreaHeight); + maxChartAreaWidth -= minSize.width; + } + + minBoxSizes.push({ + horizontal: isHorizontal, + minSize: minSize, + box: box, + }); + } + + helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize); + + // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) + var maxHorizontalLeftPadding = 0; + var maxHorizontalRightPadding = 0; + var maxVerticalTopPadding = 0; + var maxVerticalBottomPadding = 0; + + helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) { + if (horizontalBox.getPadding) { + var boxPadding = horizontalBox.getPadding(); + maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left); + maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right); + } + }); + + helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) { + if (verticalBox.getPadding) { + var boxPadding = verticalBox.getPadding(); + maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top); + maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom); + } + }); + + // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could + // be if the axes are drawn at their minimum sizes. + // Steps 5 & 6 + var totalLeftBoxesWidth = leftPadding; + var totalRightBoxesWidth = rightPadding; + var totalTopBoxesHeight = topPadding; + var totalBottomBoxesHeight = bottomPadding; + + // Function to fit a box + function fitBox(box) { + var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) { + return minBox.box === box; + }); + + if (minBoxSize) { + if (box.isHorizontal()) { + var scaleMargin = { + left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding), + right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding), + top: 0, + bottom: 0 + }; + + // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends + // on the margin. Sometimes they need to increase in size slightly + box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); + } else { + box.update(minBoxSize.minSize.width, maxChartAreaHeight); + } + } + } + + // Update, and calculate the left and right margins for the horizontal boxes + helpers.each(leftBoxes.concat(rightBoxes), fitBox); + + helpers.each(leftBoxes, function(box) { + totalLeftBoxesWidth += box.width; + }); + + helpers.each(rightBoxes, function(box) { + totalRightBoxesWidth += box.width; + }); + + // Set the Left and Right margins for the horizontal boxes + helpers.each(topBoxes.concat(bottomBoxes), fitBox); + + // Figure out how much margin is on the top and bottom of the vertical boxes + helpers.each(topBoxes, function(box) { + totalTopBoxesHeight += box.height; + }); + + helpers.each(bottomBoxes, function(box) { + totalBottomBoxesHeight += box.height; + }); + + function finalFitVerticalBox(box) { + var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) { + return minSize.box === box; + }); + + var scaleMargin = { + left: 0, + right: 0, + top: totalTopBoxesHeight, + bottom: totalBottomBoxesHeight + }; + + if (minBoxSize) { + box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin); + } + } + + // Let the left layout know the final margin + helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox); + + // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) + totalLeftBoxesWidth = leftPadding; + totalRightBoxesWidth = rightPadding; + totalTopBoxesHeight = topPadding; + totalBottomBoxesHeight = bottomPadding; + + helpers.each(leftBoxes, function(box) { + totalLeftBoxesWidth += box.width; + }); + + helpers.each(rightBoxes, function(box) { + totalRightBoxesWidth += box.width; + }); + + helpers.each(topBoxes, function(box) { + totalTopBoxesHeight += box.height; + }); + helpers.each(bottomBoxes, function(box) { + totalBottomBoxesHeight += box.height; + }); + + // We may be adding some padding to account for rotated x axis labels + var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0); + totalLeftBoxesWidth += leftPaddingAddition; + totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0); + + var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0); + totalTopBoxesHeight += topPaddingAddition; + totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0); + + // Figure out if our chart area changed. This would occur if the dataset layout label rotation + // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do + // without calling `fit` again + var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight; + var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth; + + if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { + helpers.each(leftBoxes, function(box) { + box.height = newMaxChartAreaHeight; + }); + + helpers.each(rightBoxes, function(box) { + box.height = newMaxChartAreaHeight; + }); + + helpers.each(topBoxes, function(box) { + if (!box.fullWidth) { + box.width = newMaxChartAreaWidth; + } + }); + + helpers.each(bottomBoxes, function(box) { + if (!box.fullWidth) { + box.width = newMaxChartAreaWidth; + } + }); + + maxChartAreaHeight = newMaxChartAreaHeight; + maxChartAreaWidth = newMaxChartAreaWidth; + } + + // Step 7 - Position the boxes + var left = leftPadding + leftPaddingAddition; + var top = topPadding + topPaddingAddition; + + function placeBox(box) { + if (box.isHorizontal()) { + box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth; + box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth; + box.top = top; + box.bottom = top + box.height; + + // Move to next point + top = box.bottom; + + } else { + + box.left = left; + box.right = left + box.width; + box.top = totalTopBoxesHeight; + box.bottom = totalTopBoxesHeight + maxChartAreaHeight; + + // Move to next point + left = box.right; + } + } + + helpers.each(leftBoxes.concat(topBoxes), placeBox); + + // Account for chart width and height + left += maxChartAreaWidth; + top += maxChartAreaHeight; + + helpers.each(rightBoxes, placeBox); + helpers.each(bottomBoxes, placeBox); + + // Step 8 + chart.chartArea = { + left: totalLeftBoxesWidth, + top: totalTopBoxesHeight, + right: totalLeftBoxesWidth + maxChartAreaWidth, + bottom: totalTopBoxesHeight + maxChartAreaHeight + }; + + // Step 9 + helpers.each(chartAreaBoxes, function(box) { + box.left = chart.chartArea.left; + box.top = chart.chartArea.top; + box.right = chart.chartArea.right; + box.bottom = chart.chartArea.bottom; + + box.update(maxChartAreaWidth, maxChartAreaHeight); + }); + } +}; + +},{"46":46}],32:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var helpers = require(46); + +defaults._set('global', { + plugins: {} +}); + +/** + * The plugin service singleton + * @namespace Chart.plugins + * @since 2.1.0 + */ +module.exports = { + /** + * Globally registered plugins. + * @private + */ + _plugins: [], + + /** + * This identifier is used to invalidate the descriptors cache attached to each chart + * when a global plugin is registered or unregistered. In this case, the cache ID is + * incremented and descriptors are regenerated during following API calls. + * @private + */ + _cacheId: 0, + + /** + * Registers the given plugin(s) if not already registered. + * @param {Array|Object} plugins plugin instance(s). + */ + register: function(plugins) { + var p = this._plugins; + ([]).concat(plugins).forEach(function(plugin) { + if (p.indexOf(plugin) === -1) { + p.push(plugin); + } + }); + + this._cacheId++; + }, + + /** + * Unregisters the given plugin(s) only if registered. + * @param {Array|Object} plugins plugin instance(s). + */ + unregister: function(plugins) { + var p = this._plugins; + ([]).concat(plugins).forEach(function(plugin) { + var idx = p.indexOf(plugin); + if (idx !== -1) { + p.splice(idx, 1); + } + }); + + this._cacheId++; + }, + + /** + * Remove all registered plugins. + * @since 2.1.5 + */ + clear: function() { + this._plugins = []; + this._cacheId++; + }, + + /** + * Returns the number of registered plugins? + * @returns {Number} + * @since 2.1.5 + */ + count: function() { + return this._plugins.length; + }, + + /** + * Returns all registered plugin instances. + * @returns {Array} array of plugin objects. + * @since 2.1.5 + */ + getAll: function() { + return this._plugins; + }, + + /** + * Calls enabled plugins for `chart` on the specified hook and with the given args. + * This method immediately returns as soon as a plugin explicitly returns false. The + * returned value can be used, for instance, to interrupt the current action. + * @param {Object} chart - The chart instance for which plugins should be called. + * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). + * @param {Array} [args] - Extra arguments to apply to the hook call. + * @returns {Boolean} false if any of the plugins return false, else returns true. + */ + notify: function(chart, hook, args) { + var descriptors = this.descriptors(chart); + var ilen = descriptors.length; + var i, descriptor, plugin, params, method; + + for (i = 0; i < ilen; ++i) { + descriptor = descriptors[i]; + plugin = descriptor.plugin; + method = plugin[hook]; + if (typeof method === 'function') { + params = [chart].concat(args || []); + params.push(descriptor.options); + if (method.apply(plugin, params) === false) { + return false; + } + } + } + + return true; + }, + + /** + * Returns descriptors of enabled plugins for the given chart. + * @returns {Array} [{ plugin, options }] + * @private + */ + descriptors: function(chart) { + var cache = chart.$plugins || (chart.$plugins = {}); + if (cache.id === this._cacheId) { + return cache.descriptors; + } + + var plugins = []; + var descriptors = []; + var config = (chart && chart.config) || {}; + var options = (config.options && config.options.plugins) || {}; + + this._plugins.concat(config.plugins || []).forEach(function(plugin) { + var idx = plugins.indexOf(plugin); + if (idx !== -1) { + return; + } + + var id = plugin.id; + var opts = options[id]; + if (opts === false) { + return; + } + + if (opts === true) { + opts = helpers.clone(defaults.global.plugins[id]); + } + + plugins.push(plugin); + descriptors.push({ + plugin: plugin, + options: opts || {} + }); + }); + + cache.descriptors = descriptors; + cache.id = this._cacheId; + return descriptors; + }, + + /** + * Invalidates cache for the given chart: descriptors hold a reference on plugin option, + * but in some cases, this reference can be changed by the user when updating options. + * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 + * @private + */ + _invalidate: function(chart) { + delete chart.$plugins; + } +}; + +/** + * Plugin extension hooks. + * @interface IPlugin + * @since 2.1.0 + */ +/** + * @method IPlugin#beforeInit + * @desc Called before initializing `chart`. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#afterInit + * @desc Called after `chart` has been initialized and before the first update. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeUpdate + * @desc Called before updating `chart`. If any plugin returns `false`, the update + * is cancelled (and thus subsequent render(s)) until another `update` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart update. + */ +/** + * @method IPlugin#afterUpdate + * @desc Called after `chart` has been updated and before rendering. Note that this + * hook will not be called if the chart update has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeDatasetsUpdate + * @desc Called before updating the `chart` datasets. If any plugin returns `false`, + * the datasets update is cancelled until another `update` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} false to cancel the datasets update. + * @since version 2.1.5 +*/ +/** + * @method IPlugin#afterDatasetsUpdate + * @desc Called after the `chart` datasets have been updated. Note that this hook + * will not be called if the datasets update has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @since version 2.1.5 + */ +/** + * @method IPlugin#beforeDatasetUpdate + * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin + * returns `false`, the datasets update is cancelled until another `update` is triggered. + * @param {Chart} chart - The chart instance. + * @param {Object} args - The call arguments. + * @param {Number} args.index - The dataset index. + * @param {Object} args.meta - The dataset metadata. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart datasets drawing. + */ +/** + * @method IPlugin#afterDatasetUpdate + * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note + * that this hook will not be called if the datasets update has been previously cancelled. + * @param {Chart} chart - The chart instance. + * @param {Object} args - The call arguments. + * @param {Number} args.index - The dataset index. + * @param {Object} args.meta - The dataset metadata. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeLayout + * @desc Called before laying out `chart`. If any plugin returns `false`, + * the layout update is cancelled until another `update` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart layout. + */ +/** + * @method IPlugin#afterLayout + * @desc Called after the `chart` has been layed out. Note that this hook will not + * be called if the layout update has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeRender + * @desc Called before rendering `chart`. If any plugin returns `false`, + * the rendering is cancelled until another `render` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart rendering. + */ +/** + * @method IPlugin#afterRender + * @desc Called after the `chart` has been fully rendered (and animation completed). Note + * that this hook will not be called if the rendering has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeDraw + * @desc Called before drawing `chart` at every animation frame specified by the given + * easing value. If any plugin returns `false`, the frame drawing is cancelled until + * another `render` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart drawing. + */ +/** + * @method IPlugin#afterDraw + * @desc Called after the `chart` has been drawn for the specific easing value. Note + * that this hook will not be called if the drawing has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeDatasetsDraw + * @desc Called before drawing the `chart` datasets. If any plugin returns `false`, + * the datasets drawing is cancelled until another `render` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart datasets drawing. + */ +/** + * @method IPlugin#afterDatasetsDraw + * @desc Called after the `chart` datasets have been drawn. Note that this hook + * will not be called if the datasets drawing has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeDatasetDraw + * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets + * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing + * is cancelled until another `render` is triggered. + * @param {Chart} chart - The chart instance. + * @param {Object} args - The call arguments. + * @param {Number} args.index - The dataset index. + * @param {Object} args.meta - The dataset metadata. + * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart datasets drawing. + */ +/** + * @method IPlugin#afterDatasetDraw + * @desc Called after the `chart` datasets at the given `args.index` have been drawn + * (datasets are drawn in the reverse order). Note that this hook will not be called + * if the datasets drawing has been previously cancelled. + * @param {Chart} chart - The chart instance. + * @param {Object} args - The call arguments. + * @param {Number} args.index - The dataset index. + * @param {Object} args.meta - The dataset metadata. + * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeTooltipDraw + * @desc Called before drawing the `tooltip`. If any plugin returns `false`, + * the tooltip drawing is cancelled until another `render` is triggered. + * @param {Chart} chart - The chart instance. + * @param {Object} args - The call arguments. + * @param {Object} args.tooltip - The tooltip. + * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart tooltip drawing. + */ +/** + * @method IPlugin#afterTooltipDraw + * @desc Called after drawing the `tooltip`. Note that this hook will not + * be called if the tooltip drawing has been previously cancelled. + * @param {Chart} chart - The chart instance. + * @param {Object} args - The call arguments. + * @param {Object} args.tooltip - The tooltip. + * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#beforeEvent + * @desc Called before processing the specified `event`. If any plugin returns `false`, + * the event will be discarded. + * @param {Chart.Controller} chart - The chart instance. + * @param {IEvent} event - The event object. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#afterEvent + * @desc Called after the `event` has been consumed. Note that this hook + * will not be called if the `event` has been previously discarded. + * @param {Chart.Controller} chart - The chart instance. + * @param {IEvent} event - The event object. + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#resize + * @desc Called after the chart as been resized. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} size - The new canvas display size (eq. canvas.style width & height). + * @param {Object} options - The plugin options. + */ +/** + * @method IPlugin#destroy + * @desc Called after the chart as been destroyed. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + +},{"26":26,"46":46}],33:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); +var Ticks = require(35); + +defaults._set('scale', { + display: true, + position: 'left', + offset: false, + + // grid line settings + gridLines: { + display: true, + color: 'rgba(0, 0, 0, 0.1)', + lineWidth: 1, + drawBorder: true, + drawOnChartArea: true, + drawTicks: true, + tickMarkLength: 10, + zeroLineWidth: 1, + zeroLineColor: 'rgba(0,0,0,0.25)', + zeroLineBorderDash: [], + zeroLineBorderDashOffset: 0.0, + offsetGridLines: false, + borderDash: [], + borderDashOffset: 0.0 + }, + + // scale label + scaleLabel: { + // display property + display: false, + + // actual label + labelString: '', + + // line height + lineHeight: 1.2, + + // top/bottom padding + padding: { + top: 4, + bottom: 4 + } + }, + + // label settings + ticks: { + beginAtZero: false, + minRotation: 0, + maxRotation: 50, + mirror: false, + padding: 0, + reverse: false, + display: true, + autoSkip: true, + autoSkipPadding: 0, + labelOffset: 0, + // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. + callback: Ticks.formatters.values, + minor: {}, + major: {} + } +}); + +function labelsFromTicks(ticks) { + var labels = []; + var i, ilen; + + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + labels.push(ticks[i].label); + } + + return labels; +} + +function getLineValue(scale, index, offsetGridLines) { + var lineValue = scale.getPixelForTick(index); + + if (offsetGridLines) { + if (index === 0) { + lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; + } else { + lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; + } + } + return lineValue; +} + +function computeTextSize(context, tick, font) { + return helpers.isArray(tick) ? + helpers.longestText(context, font, tick) : + context.measureText(tick).width; +} + +function parseFontOptions(options) { + var valueOrDefault = helpers.valueOrDefault; + var globalDefaults = defaults.global; + var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); + var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle); + var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily); + + return { + size: size, + style: style, + family: family, + font: helpers.fontString(size, style, family) + }; +} + +function parseLineHeight(options) { + return helpers.options.toLineHeight( + helpers.valueOrDefault(options.lineHeight, 1.2), + helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize)); +} + +module.exports = Element.extend({ + /** + * Get the padding needed for the scale + * @method getPadding + * @private + * @returns {Padding} the necessary padding + */ + getPadding: function() { + var me = this; + return { + left: me.paddingLeft || 0, + top: me.paddingTop || 0, + right: me.paddingRight || 0, + bottom: me.paddingBottom || 0 + }; + }, + + /** + * Returns the scale tick objects ({label, major}) + * @since 2.7 + */ + getTicks: function() { + return this._ticks; + }, + + // These methods are ordered by lifecyle. Utilities then follow. + // Any function defined here is inherited by all scale types. + // Any function can be extended by the scale type + + mergeTicksOptions: function() { + var ticks = this.options.ticks; + if (ticks.minor === false) { + ticks.minor = { + display: false + }; + } + if (ticks.major === false) { + ticks.major = { + display: false + }; + } + for (var key in ticks) { + if (key !== 'major' && key !== 'minor') { + if (typeof ticks.minor[key] === 'undefined') { + ticks.minor[key] = ticks[key]; + } + if (typeof ticks.major[key] === 'undefined') { + ticks.major[key] = ticks[key]; + } + } + } + }, + beforeUpdate: function() { + helpers.callback(this.options.beforeUpdate, [this]); + }, + + update: function(maxWidth, maxHeight, margins) { + var me = this; + var i, ilen, labels, label, ticks, tick; + + // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) + me.beforeUpdate(); + + // Absorb the master measurements + me.maxWidth = maxWidth; + me.maxHeight = maxHeight; + me.margins = helpers.extend({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + me.longestTextCache = me.longestTextCache || {}; + + // Dimensions + me.beforeSetDimensions(); + me.setDimensions(); + me.afterSetDimensions(); + + // Data min/max + me.beforeDataLimits(); + me.determineDataLimits(); + me.afterDataLimits(); + + // Ticks - `this.ticks` is now DEPRECATED! + // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member + // and must not be accessed directly from outside this class. `this.ticks` being + // around for long time and not marked as private, we can't change its structure + // without unexpected breaking changes. If you need to access the scale ticks, + // use scale.getTicks() instead. + + me.beforeBuildTicks(); + + // New implementations should return an array of objects but for BACKWARD COMPAT, + // we still support no return (`this.ticks` internally set by calling this method). + ticks = me.buildTicks() || []; + + me.afterBuildTicks(); + + me.beforeTickToLabelConversion(); + + // New implementations should return the formatted tick labels but for BACKWARD + // COMPAT, we still support no return (`this.ticks` internally changed by calling + // this method and supposed to contain only string values). + labels = me.convertTicksToLabels(ticks) || me.ticks; + + me.afterTickToLabelConversion(); + + me.ticks = labels; // BACKWARD COMPATIBILITY + + // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! + + // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) + for (i = 0, ilen = labels.length; i < ilen; ++i) { + label = labels[i]; + tick = ticks[i]; + if (!tick) { + ticks.push(tick = { + label: label, + major: false + }); + } else { + tick.label = label; + } + } + + me._ticks = ticks; + + // Tick Rotation + me.beforeCalculateTickRotation(); + me.calculateTickRotation(); + me.afterCalculateTickRotation(); + // Fit + me.beforeFit(); + me.fit(); + me.afterFit(); + // + me.afterUpdate(); + + return me.minSize; + + }, + afterUpdate: function() { + helpers.callback(this.options.afterUpdate, [this]); + }, + + // + + beforeSetDimensions: function() { + helpers.callback(this.options.beforeSetDimensions, [this]); + }, + setDimensions: function() { + var me = this; + // Set the unconstrained dimension before label rotation + if (me.isHorizontal()) { + // Reset position before calculating rotation + me.width = me.maxWidth; + me.left = 0; + me.right = me.width; + } else { + me.height = me.maxHeight; + + // Reset position before calculating rotation + me.top = 0; + me.bottom = me.height; + } + + // Reset padding + me.paddingLeft = 0; + me.paddingTop = 0; + me.paddingRight = 0; + me.paddingBottom = 0; + }, + afterSetDimensions: function() { + helpers.callback(this.options.afterSetDimensions, [this]); + }, + + // Data limits + beforeDataLimits: function() { + helpers.callback(this.options.beforeDataLimits, [this]); + }, + determineDataLimits: helpers.noop, + afterDataLimits: function() { + helpers.callback(this.options.afterDataLimits, [this]); + }, + + // + beforeBuildTicks: function() { + helpers.callback(this.options.beforeBuildTicks, [this]); + }, + buildTicks: helpers.noop, + afterBuildTicks: function() { + helpers.callback(this.options.afterBuildTicks, [this]); + }, + + beforeTickToLabelConversion: function() { + helpers.callback(this.options.beforeTickToLabelConversion, [this]); + }, + convertTicksToLabels: function() { + var me = this; + // Convert ticks to strings + var tickOpts = me.options.ticks; + me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); + }, + afterTickToLabelConversion: function() { + helpers.callback(this.options.afterTickToLabelConversion, [this]); + }, + + // + + beforeCalculateTickRotation: function() { + helpers.callback(this.options.beforeCalculateTickRotation, [this]); + }, + calculateTickRotation: function() { + var me = this; + var context = me.ctx; + var tickOpts = me.options.ticks; + var labels = labelsFromTicks(me._ticks); + + // Get the width of each grid by calculating the difference + // between x offsets between 0 and 1. + var tickFont = parseFontOptions(tickOpts); + context.font = tickFont.font; + + var labelRotation = tickOpts.minRotation || 0; + + if (labels.length && me.options.display && me.isHorizontal()) { + var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache); + var labelWidth = originalLabelWidth; + var cosRotation, sinRotation; + + // Allow 3 pixels x2 padding either side for label readability + var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; + + // Max label rotation can be set or default to 90 - also act as a loop counter + while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { + var angleRadians = helpers.toRadians(labelRotation); + cosRotation = Math.cos(angleRadians); + sinRotation = Math.sin(angleRadians); + + if (sinRotation * originalLabelWidth > me.maxHeight) { + // go back one step + labelRotation--; + break; + } + + labelRotation++; + labelWidth = cosRotation * originalLabelWidth; + } + } + + me.labelRotation = labelRotation; + }, + afterCalculateTickRotation: function() { + helpers.callback(this.options.afterCalculateTickRotation, [this]); + }, + + // + + beforeFit: function() { + helpers.callback(this.options.beforeFit, [this]); + }, + fit: function() { + var me = this; + // Reset + var minSize = me.minSize = { + width: 0, + height: 0 + }; + + var labels = labelsFromTicks(me._ticks); + + var opts = me.options; + var tickOpts = opts.ticks; + var scaleLabelOpts = opts.scaleLabel; + var gridLineOpts = opts.gridLines; + var display = opts.display; + var isHorizontal = me.isHorizontal(); + + var tickFont = parseFontOptions(tickOpts); + var tickMarkLength = opts.gridLines.tickMarkLength; + + // Width + if (isHorizontal) { + // subtract the margins to line up with the chartArea if we are a full width scale + minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; + } else { + minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; + } + + // height + if (isHorizontal) { + minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; + } else { + minSize.height = me.maxHeight; // fill all the height + } + + // Are we showing a title for the scale? + if (scaleLabelOpts.display && display) { + var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts); + var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding); + var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height; + + if (isHorizontal) { + minSize.height += deltaHeight; + } else { + minSize.width += deltaHeight; + } + } + + // Don't bother fitting the ticks if we are not showing them + if (tickOpts.display && display) { + var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache); + var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels); + var lineSpace = tickFont.size * 0.5; + var tickPadding = me.options.ticks.padding; + + if (isHorizontal) { + // A horizontal axis is more constrained by the height. + me.longestLabelWidth = largestTextWidth; + + var angleRadians = helpers.toRadians(me.labelRotation); + var cosRotation = Math.cos(angleRadians); + var sinRotation = Math.sin(angleRadians); + + // TODO - improve this calculation + var labelHeight = (sinRotation * largestTextWidth) + + (tickFont.size * tallestLabelHeightInLines) + + (lineSpace * (tallestLabelHeightInLines - 1)) + + lineSpace; // padding + + minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); + + me.ctx.font = tickFont.font; + var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font); + var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font); + + // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned + // which means that the right padding is dominated by the font height + if (me.labelRotation !== 0) { + me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges + me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3; + } else { + me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges + me.paddingRight = lastLabelWidth / 2 + 3; + } + } else { + // A vertical axis is more constrained by the width. Labels are the + // dominant factor here, so get that length first and account for padding + if (tickOpts.mirror) { + largestTextWidth = 0; + } else { + // use lineSpace for consistency with horizontal axis + // tickPadding is not implemented for horizontal + largestTextWidth += tickPadding + lineSpace; + } + + minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); + + me.paddingTop = tickFont.size / 2; + me.paddingBottom = tickFont.size / 2; + } + } + + me.handleMargins(); + + me.width = minSize.width; + me.height = minSize.height; + }, + + /** + * Handle margins and padding interactions + * @private + */ + handleMargins: function() { + var me = this; + if (me.margins) { + me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); + me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); + me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); + me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); + } + }, + + afterFit: function() { + helpers.callback(this.options.afterFit, [this]); + }, + + // Shared Methods + isHorizontal: function() { + return this.options.position === 'top' || this.options.position === 'bottom'; + }, + isFullWidth: function() { + return (this.options.fullWidth); + }, + + // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not + getRightValue: function(rawValue) { + // Null and undefined values first + if (helpers.isNullOrUndef(rawValue)) { + return NaN; + } + // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values + if (typeof rawValue === 'number' && !isFinite(rawValue)) { + return NaN; + } + // If it is in fact an object, dive in one more level + if (rawValue) { + if (this.isHorizontal()) { + if (rawValue.x !== undefined) { + return this.getRightValue(rawValue.x); + } + } else if (rawValue.y !== undefined) { + return this.getRightValue(rawValue.y); + } + } + + // Value is good, return it + return rawValue; + }, + + /** + * Used to get the value to display in the tooltip for the data at the given index + * @param index + * @param datasetIndex + */ + getLabelForIndex: helpers.noop, + + /** + * Returns the location of the given data point. Value can either be an index or a numerical value + * The coordinate (0, 0) is at the upper-left corner of the canvas + * @param value + * @param index + * @param datasetIndex + */ + getPixelForValue: helpers.noop, + + /** + * Used to get the data value from a given pixel. This is the inverse of getPixelForValue + * The coordinate (0, 0) is at the upper-left corner of the canvas + * @param pixel + */ + getValueForPixel: helpers.noop, + + /** + * Returns the location of the tick at the given index + * The coordinate (0, 0) is at the upper-left corner of the canvas + */ + getPixelForTick: function(index) { + var me = this; + var offset = me.options.offset; + if (me.isHorizontal()) { + var innerWidth = me.width - (me.paddingLeft + me.paddingRight); + var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); + var pixel = (tickWidth * index) + me.paddingLeft; + + if (offset) { + pixel += tickWidth / 2; + } + + var finalVal = me.left + Math.round(pixel); + finalVal += me.isFullWidth() ? me.margins.left : 0; + return finalVal; + } + var innerHeight = me.height - (me.paddingTop + me.paddingBottom); + return me.top + (index * (innerHeight / (me._ticks.length - 1))); + }, + + /** + * Utility for getting the pixel location of a percentage of scale + * The coordinate (0, 0) is at the upper-left corner of the canvas + */ + getPixelForDecimal: function(decimal) { + var me = this; + if (me.isHorizontal()) { + var innerWidth = me.width - (me.paddingLeft + me.paddingRight); + var valueOffset = (innerWidth * decimal) + me.paddingLeft; + + var finalVal = me.left + Math.round(valueOffset); + finalVal += me.isFullWidth() ? me.margins.left : 0; + return finalVal; + } + return me.top + (decimal * me.height); + }, + + /** + * Returns the pixel for the minimum chart value + * The coordinate (0, 0) is at the upper-left corner of the canvas + */ + getBasePixel: function() { + return this.getPixelForValue(this.getBaseValue()); + }, + + getBaseValue: function() { + var me = this; + var min = me.min; + var max = me.max; + + return me.beginAtZero ? 0 : + min < 0 && max < 0 ? max : + min > 0 && max > 0 ? min : + 0; + }, + + /** + * Returns a subset of ticks to be plotted to avoid overlapping labels. + * @private + */ + _autoSkip: function(ticks) { + var skipRatio; + var me = this; + var isHorizontal = me.isHorizontal(); + var optionTicks = me.options.ticks.minor; + var tickCount = ticks.length; + var labelRotationRadians = helpers.toRadians(me.labelRotation); + var cosRotation = Math.cos(labelRotationRadians); + var longestRotatedLabel = me.longestLabelWidth * cosRotation; + var result = []; + var i, tick, shouldSkip; + + // figure out the maximum number of gridlines to show + var maxTicks; + if (optionTicks.maxTicksLimit) { + maxTicks = optionTicks.maxTicksLimit; + } + + if (isHorizontal) { + skipRatio = false; + + if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) { + skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight))); + } + + // if they defined a max number of optionTicks, + // increase skipRatio until that number is met + if (maxTicks && tickCount > maxTicks) { + skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks)); + } + } + + for (i = 0; i < tickCount; i++) { + tick = ticks[i]; + + // Since we always show the last tick,we need may need to hide the last shown one before + shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount); + if (shouldSkip && i !== tickCount - 1) { + // leave tick in place but make sure it's not displayed (#4635) + delete tick.label; + } + result.push(tick); + } + return result; + }, + + // Actually draw the scale on the canvas + // @param {rectangle} chartArea : the area of the chart to draw full grid lines on + draw: function(chartArea) { + var me = this; + var options = me.options; + if (!options.display) { + return; + } + + var context = me.ctx; + var globalDefaults = defaults.global; + var optionTicks = options.ticks.minor; + var optionMajorTicks = options.ticks.major || optionTicks; + var gridLines = options.gridLines; + var scaleLabel = options.scaleLabel; + + var isRotated = me.labelRotation !== 0; + var isHorizontal = me.isHorizontal(); + + var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); + var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor); + var tickFont = parseFontOptions(optionTicks); + var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor); + var majorTickFont = parseFontOptions(optionMajorTicks); + + var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; + + var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor); + var scaleLabelFont = parseFontOptions(scaleLabel); + var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding); + var labelRotationRadians = helpers.toRadians(me.labelRotation); + + var itemsToDraw = []; + + var axisWidth = me.options.gridLines.lineWidth; + var xTickStart = options.position === 'right' ? me.left : me.right - axisWidth - tl; + var xTickEnd = options.position === 'right' ? me.left + tl : me.right; + var yTickStart = options.position === 'bottom' ? me.top + axisWidth : me.bottom - tl - axisWidth; + var yTickEnd = options.position === 'bottom' ? me.top + axisWidth + tl : me.bottom + axisWidth; + + helpers.each(ticks, function(tick, index) { + // autoskipper skipped this tick (#4635) + if (helpers.isNullOrUndef(tick.label)) { + return; + } + + var label = tick.label; + var lineWidth, lineColor, borderDash, borderDashOffset; + if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { + // Draw the first index specially + lineWidth = gridLines.zeroLineWidth; + lineColor = gridLines.zeroLineColor; + borderDash = gridLines.zeroLineBorderDash; + borderDashOffset = gridLines.zeroLineBorderDashOffset; + } else { + lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index); + lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index); + borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash); + borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset); + } + + // Common properties + var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY; + var textAlign = 'middle'; + var textBaseline = 'middle'; + var tickPadding = optionTicks.padding; + + if (isHorizontal) { + var labelYOffset = tl + tickPadding; + + if (options.position === 'bottom') { + // bottom + textBaseline = !isRotated ? 'top' : 'middle'; + textAlign = !isRotated ? 'center' : 'right'; + labelY = me.top + labelYOffset; + } else { + // top + textBaseline = !isRotated ? 'bottom' : 'middle'; + textAlign = !isRotated ? 'center' : 'left'; + labelY = me.bottom - labelYOffset; + } + + var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1); + if (xLineValue < me.left) { + lineColor = 'rgba(0,0,0,0)'; + } + xLineValue += helpers.aliasPixel(lineWidth); + + labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option) + + tx1 = tx2 = x1 = x2 = xLineValue; + ty1 = yTickStart; + ty2 = yTickEnd; + y1 = chartArea.top; + y2 = chartArea.bottom + axisWidth; + } else { + var isLeft = options.position === 'left'; + var labelXOffset; + + if (optionTicks.mirror) { + textAlign = isLeft ? 'left' : 'right'; + labelXOffset = tickPadding; + } else { + textAlign = isLeft ? 'right' : 'left'; + labelXOffset = tl + tickPadding; + } + + labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset; + + var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1); + if (yLineValue < me.top) { + lineColor = 'rgba(0,0,0,0)'; + } + yLineValue += helpers.aliasPixel(lineWidth); + + labelY = me.getPixelForTick(index) + optionTicks.labelOffset; + + tx1 = xTickStart; + tx2 = xTickEnd; + x1 = chartArea.left; + x2 = chartArea.right + axisWidth; + ty1 = ty2 = y1 = y2 = yLineValue; + } + + itemsToDraw.push({ + tx1: tx1, + ty1: ty1, + tx2: tx2, + ty2: ty2, + x1: x1, + y1: y1, + x2: x2, + y2: y2, + labelX: labelX, + labelY: labelY, + glWidth: lineWidth, + glColor: lineColor, + glBorderDash: borderDash, + glBorderDashOffset: borderDashOffset, + rotation: -1 * labelRotationRadians, + label: label, + major: tick.major, + textBaseline: textBaseline, + textAlign: textAlign + }); + }); + + // Draw all of the tick labels, tick marks, and grid lines at the correct places + helpers.each(itemsToDraw, function(itemToDraw) { + if (gridLines.display) { + context.save(); + context.lineWidth = itemToDraw.glWidth; + context.strokeStyle = itemToDraw.glColor; + if (context.setLineDash) { + context.setLineDash(itemToDraw.glBorderDash); + context.lineDashOffset = itemToDraw.glBorderDashOffset; + } + + context.beginPath(); + + if (gridLines.drawTicks) { + context.moveTo(itemToDraw.tx1, itemToDraw.ty1); + context.lineTo(itemToDraw.tx2, itemToDraw.ty2); + } + + if (gridLines.drawOnChartArea) { + context.moveTo(itemToDraw.x1, itemToDraw.y1); + context.lineTo(itemToDraw.x2, itemToDraw.y2); + } + + context.stroke(); + context.restore(); + } + + if (optionTicks.display) { + // Make sure we draw text in the correct color and font + context.save(); + context.translate(itemToDraw.labelX, itemToDraw.labelY); + context.rotate(itemToDraw.rotation); + context.font = itemToDraw.major ? majorTickFont.font : tickFont.font; + context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; + context.textBaseline = itemToDraw.textBaseline; + context.textAlign = itemToDraw.textAlign; + + var label = itemToDraw.label; + if (helpers.isArray(label)) { + var lineCount = label.length; + var lineHeight = tickFont.size * 1.5; + var y = me.isHorizontal() ? 0 : -lineHeight * (lineCount - 1) / 2; + + for (var i = 0; i < lineCount; ++i) { + // We just make sure the multiline element is a string here.. + context.fillText('' + label[i], 0, y); + // apply same lineSpacing as calculated @ L#320 + y += lineHeight; + } + } else { + context.fillText(label, 0, 0); + } + context.restore(); + } + }); + + if (scaleLabel.display) { + // Draw the scale label + var scaleLabelX; + var scaleLabelY; + var rotation = 0; + var halfLineHeight = parseLineHeight(scaleLabel) / 2; + + if (isHorizontal) { + scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width + scaleLabelY = options.position === 'bottom' + ? me.bottom - halfLineHeight - scaleLabelPadding.bottom + : me.top + halfLineHeight + scaleLabelPadding.top; + } else { + var isLeft = options.position === 'left'; + scaleLabelX = isLeft + ? me.left + halfLineHeight + scaleLabelPadding.top + : me.right - halfLineHeight - scaleLabelPadding.top; + scaleLabelY = me.top + ((me.bottom - me.top) / 2); + rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; + } + + context.save(); + context.translate(scaleLabelX, scaleLabelY); + context.rotate(rotation); + context.textAlign = 'center'; + context.textBaseline = 'middle'; + context.fillStyle = scaleLabelFontColor; // render in correct colour + context.font = scaleLabelFont.font; + context.fillText(scaleLabel.labelString, 0, 0); + context.restore(); + } + + if (gridLines.drawBorder) { + // Draw the line at the edge of the axis + context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0); + context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0); + var x1 = me.left; + var x2 = me.right + axisWidth; + var y1 = me.top; + var y2 = me.bottom + axisWidth; + + var aliasPixel = helpers.aliasPixel(context.lineWidth); + if (isHorizontal) { + y1 = y2 = options.position === 'top' ? me.bottom : me.top; + y1 += aliasPixel; + y2 += aliasPixel; + } else { + x1 = x2 = options.position === 'left' ? me.right : me.left; + x1 += aliasPixel; + x2 += aliasPixel; + } + + context.beginPath(); + context.moveTo(x1, y1); + context.lineTo(x2, y2); + context.stroke(); + } + } +}); + +},{"26":26,"27":27,"35":35,"46":46}],34:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var helpers = require(46); +var layouts = require(31); + +module.exports = { + // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then + // use the new chart options to grab the correct scale + constructors: {}, + // Use a registration function so that we can move to an ES6 map when we no longer need to support + // old browsers + + // Scale config defaults + defaults: {}, + registerScaleType: function(type, scaleConstructor, scaleDefaults) { + this.constructors[type] = scaleConstructor; + this.defaults[type] = helpers.clone(scaleDefaults); + }, + getScaleConstructor: function(type) { + return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; + }, + getScaleDefaults: function(type) { + // Return the scale defaults merged with the global settings so that we always use the latest ones + return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {}; + }, + updateScaleDefaults: function(type, additions) { + var me = this; + if (me.defaults.hasOwnProperty(type)) { + me.defaults[type] = helpers.extend(me.defaults[type], additions); + } + }, + addScalesToLayout: function(chart) { + // Adds each scale to the chart.boxes array to be sized accordingly + helpers.each(chart.scales, function(scale) { + // Set ILayoutItem parameters for backwards compatibility + scale.fullWidth = scale.options.fullWidth; + scale.position = scale.options.position; + scale.weight = scale.options.weight; + layouts.addBox(chart, scale); + }); + } +}; + +},{"26":26,"31":31,"46":46}],35:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); + +/** + * Namespace to hold static tick generation functions + * @namespace Chart.Ticks + */ +module.exports = { + /** + * Namespace to hold formatters for different types of ticks + * @namespace Chart.Ticks.formatters + */ + formatters: { + /** + * Formatter for value labels + * @method Chart.Ticks.formatters.values + * @param value the value to display + * @return {String|Array} the label to display + */ + values: function(value) { + return helpers.isArray(value) ? value : '' + value; + }, + + /** + * Formatter for linear numeric ticks + * @method Chart.Ticks.formatters.linear + * @param tickValue {Number} the value to be formatted + * @param index {Number} the position of the tickValue parameter in the ticks array + * @param ticks {Array} the list of ticks being converted + * @return {String} string representation of the tickValue parameter + */ + linear: function(tickValue, index, ticks) { + // If we have lots of ticks, don't use the ones + var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; + + // If we have a number like 2.5 as the delta, figure out how many decimal places we need + if (Math.abs(delta) > 1) { + if (tickValue !== Math.floor(tickValue)) { + // not an integer + delta = tickValue - Math.floor(tickValue); + } + } + + var logDelta = helpers.log10(Math.abs(delta)); + var tickString = ''; + + if (tickValue !== 0) { + var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); + if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation + var logTick = helpers.log10(Math.abs(tickValue)); + tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta)); + } else { + var numDecimal = -1 * Math.floor(logDelta); + numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places + tickString = tickValue.toFixed(numDecimal); + } + } else { + tickString = '0'; // never show decimal places for 0 + } + + return tickString; + }, + + logarithmic: function(tickValue, index, ticks) { + var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue)))); + + if (tickValue === 0) { + return '0'; + } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { + return tickValue.toExponential(); + } + return ''; + } + } +}; + +},{"46":46}],36:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); + +defaults._set('global', { + tooltips: { + enabled: true, + custom: null, + mode: 'nearest', + position: 'average', + intersect: true, + backgroundColor: 'rgba(0,0,0,0.8)', + titleFontStyle: 'bold', + titleSpacing: 2, + titleMarginBottom: 6, + titleFontColor: '#fff', + titleAlign: 'left', + bodySpacing: 2, + bodyFontColor: '#fff', + bodyAlign: 'left', + footerFontStyle: 'bold', + footerSpacing: 2, + footerMarginTop: 6, + footerFontColor: '#fff', + footerAlign: 'left', + yPadding: 6, + xPadding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + multiKeyBackground: '#fff', + displayColors: true, + borderColor: 'rgba(0,0,0,0)', + borderWidth: 0, + callbacks: { + // Args are: (tooltipItems, data) + beforeTitle: helpers.noop, + title: function(tooltipItems, data) { + // Pick first xLabel for now + var title = ''; + var labels = data.labels; + var labelCount = labels ? labels.length : 0; + + if (tooltipItems.length > 0) { + var item = tooltipItems[0]; + + if (item.xLabel) { + title = item.xLabel; + } else if (labelCount > 0 && item.index < labelCount) { + title = labels[item.index]; + } + } + + return title; + }, + afterTitle: helpers.noop, + + // Args are: (tooltipItems, data) + beforeBody: helpers.noop, + + // Args are: (tooltipItem, data) + beforeLabel: helpers.noop, + label: function(tooltipItem, data) { + var label = data.datasets[tooltipItem.datasetIndex].label || ''; + + if (label) { + label += ': '; + } + label += tooltipItem.yLabel; + return label; + }, + labelColor: function(tooltipItem, chart) { + var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); + var activeElement = meta.data[tooltipItem.index]; + var view = activeElement._view; + return { + borderColor: view.borderColor, + backgroundColor: view.backgroundColor + }; + }, + labelTextColor: function() { + return this._options.bodyFontColor; + }, + afterLabel: helpers.noop, + + // Args are: (tooltipItems, data) + afterBody: helpers.noop, + + // Args are: (tooltipItems, data) + beforeFooter: helpers.noop, + footer: helpers.noop, + afterFooter: helpers.noop + } + } +}); + +var positioners = { + /** + * Average mode places the tooltip at the average position of the elements shown + * @function Chart.Tooltip.positioners.average + * @param elements {ChartElement[]} the elements being displayed in the tooltip + * @returns {Point} tooltip position + */ + average: function(elements) { + if (!elements.length) { + return false; + } + + var i, len; + var x = 0; + var y = 0; + var count = 0; + + for (i = 0, len = elements.length; i < len; ++i) { + var el = elements[i]; + if (el && el.hasValue()) { + var pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + + return { + x: Math.round(x / count), + y: Math.round(y / count) + }; + }, + + /** + * Gets the tooltip position nearest of the item nearest to the event position + * @function Chart.Tooltip.positioners.nearest + * @param elements {Chart.Element[]} the tooltip elements + * @param eventPosition {Point} the position of the event in canvas coordinates + * @returns {Point} the tooltip position + */ + nearest: function(elements, eventPosition) { + var x = eventPosition.x; + var y = eventPosition.y; + var minDistance = Number.POSITIVE_INFINITY; + var i, len, nearestElement; + + for (i = 0, len = elements.length; i < len; ++i) { + var el = elements[i]; + if (el && el.hasValue()) { + var center = el.getCenterPoint(); + var d = helpers.distanceBetweenPoints(eventPosition, center); + + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + + if (nearestElement) { + var tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + + return { + x: x, + y: y + }; + } +}; + +/** + * Helper method to merge the opacity into a color + */ +function mergeOpacity(colorString, opacity) { + var color = helpers.color(colorString); + return color.alpha(opacity * color.alpha()).rgbaString(); +} + +// Helper to push or concat based on if the 2nd parameter is an array or not +function pushOrConcat(base, toPush) { + if (toPush) { + if (helpers.isArray(toPush)) { + // base = base.concat(toPush); + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + + return base; +} + +/** + * Returns array of strings split by newline + * @param {String} value - The value to split by newline. + * @returns {Array} value if newline present - Returned from String split() method + * @function + */ +function splitNewlines(str) { + if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { + return str.split('\n'); + } + return str; +} + + +// Private helper to create a tooltip item model +// @param element : the chart element (point, arc, bar) to create the tooltip item for +// @return : new tooltip item +function createTooltipItem(element) { + var xScale = element._xScale; + var yScale = element._yScale || element._scale; // handle radar || polarArea charts + var index = element._index; + var datasetIndex = element._datasetIndex; + + return { + xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', + yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', + index: index, + datasetIndex: datasetIndex, + x: element._model.x, + y: element._model.y + }; +} + +/** + * Helper to get the reset model for the tooltip + * @param tooltipOpts {Object} the tooltip options + */ +function getBaseModel(tooltipOpts) { + var globalDefaults = defaults.global; + var valueOrDefault = helpers.valueOrDefault; + + return { + // Positioning + xPadding: tooltipOpts.xPadding, + yPadding: tooltipOpts.yPadding, + xAlign: tooltipOpts.xAlign, + yAlign: tooltipOpts.yAlign, + + // Body + bodyFontColor: tooltipOpts.bodyFontColor, + _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), + _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), + _bodyAlign: tooltipOpts.bodyAlign, + bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), + bodySpacing: tooltipOpts.bodySpacing, + + // Title + titleFontColor: tooltipOpts.titleFontColor, + _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), + _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), + titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), + _titleAlign: tooltipOpts.titleAlign, + titleSpacing: tooltipOpts.titleSpacing, + titleMarginBottom: tooltipOpts.titleMarginBottom, + + // Footer + footerFontColor: tooltipOpts.footerFontColor, + _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), + _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), + footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), + _footerAlign: tooltipOpts.footerAlign, + footerSpacing: tooltipOpts.footerSpacing, + footerMarginTop: tooltipOpts.footerMarginTop, + + // Appearance + caretSize: tooltipOpts.caretSize, + cornerRadius: tooltipOpts.cornerRadius, + backgroundColor: tooltipOpts.backgroundColor, + opacity: 0, + legendColorBackground: tooltipOpts.multiKeyBackground, + displayColors: tooltipOpts.displayColors, + borderColor: tooltipOpts.borderColor, + borderWidth: tooltipOpts.borderWidth + }; +} + +/** + * Get the size of the tooltip + */ +function getTooltipSize(tooltip, model) { + var ctx = tooltip._chart.ctx; + + var height = model.yPadding * 2; // Tooltip Padding + var width = 0; + + // Count of all lines in the body + var body = model.body; + var combinedBodyLength = body.reduce(function(count, bodyItem) { + return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; + }, 0); + combinedBodyLength += model.beforeBody.length + model.afterBody.length; + + var titleLineCount = model.title.length; + var footerLineCount = model.footer.length; + var titleFontSize = model.titleFontSize; + var bodyFontSize = model.bodyFontSize; + var footerFontSize = model.footerFontSize; + + height += titleLineCount * titleFontSize; // Title Lines + height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing + height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin + height += combinedBodyLength * bodyFontSize; // Body Lines + height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing + height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin + height += footerLineCount * (footerFontSize); // Footer Lines + height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing + + // Title width + var widthPadding = 0; + var maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + + ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); + helpers.each(model.title, maxLineWidth); + + // Body width + ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); + helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth); + + // Body lines may include some extra width due to the color box + widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; + helpers.each(body, function(bodyItem) { + helpers.each(bodyItem.before, maxLineWidth); + helpers.each(bodyItem.lines, maxLineWidth); + helpers.each(bodyItem.after, maxLineWidth); + }); + + // Reset back to 0 + widthPadding = 0; + + // Footer width + ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); + helpers.each(model.footer, maxLineWidth); + + // Add padding + width += 2 * model.xPadding; + + return { + width: width, + height: height + }; +} + +/** + * Helper to get the alignment of a tooltip given the size + */ +function determineAlignment(tooltip, size) { + var model = tooltip._model; + var chart = tooltip._chart; + var chartArea = tooltip._chart.chartArea; + var xAlign = 'center'; + var yAlign = 'center'; + + if (model.y < size.height) { + yAlign = 'top'; + } else if (model.y > (chart.height - size.height)) { + yAlign = 'bottom'; + } + + var lf, rf; // functions to determine left, right alignment + var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart + var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges + var midX = (chartArea.left + chartArea.right) / 2; + var midY = (chartArea.top + chartArea.bottom) / 2; + + if (yAlign === 'center') { + lf = function(x) { + return x <= midX; + }; + rf = function(x) { + return x > midX; + }; + } else { + lf = function(x) { + return x <= (size.width / 2); + }; + rf = function(x) { + return x >= (chart.width - (size.width / 2)); + }; + } + + olf = function(x) { + return x + size.width + model.caretSize + model.caretPadding > chart.width; + }; + orf = function(x) { + return x - size.width - model.caretSize - model.caretPadding < 0; + }; + yf = function(y) { + return y <= midY ? 'top' : 'bottom'; + }; + + if (lf(model.x)) { + xAlign = 'left'; + + // Is tooltip too wide and goes over the right side of the chart.? + if (olf(model.x)) { + xAlign = 'center'; + yAlign = yf(model.y); + } + } else if (rf(model.x)) { + xAlign = 'right'; + + // Is tooltip too wide and goes outside left edge of canvas? + if (orf(model.x)) { + xAlign = 'center'; + yAlign = yf(model.y); + } + } + + var opts = tooltip._options; + return { + xAlign: opts.xAlign ? opts.xAlign : xAlign, + yAlign: opts.yAlign ? opts.yAlign : yAlign + }; +} + +/** + * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment + */ +function getBackgroundPoint(vm, size, alignment, chart) { + // Background Position + var x = vm.x; + var y = vm.y; + + var caretSize = vm.caretSize; + var caretPadding = vm.caretPadding; + var cornerRadius = vm.cornerRadius; + var xAlign = alignment.xAlign; + var yAlign = alignment.yAlign; + var paddingAndSize = caretSize + caretPadding; + var radiusAndPadding = cornerRadius + caretPadding; + + if (xAlign === 'right') { + x -= size.width; + } else if (xAlign === 'center') { + x -= (size.width / 2); + if (x + size.width > chart.width) { + x = chart.width - size.width; + } + if (x < 0) { + x = 0; + } + } + + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= size.height + paddingAndSize; + } else { + y -= (size.height / 2); + } + + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= radiusAndPadding; + } else if (xAlign === 'right') { + x += radiusAndPadding; + } + + return { + x: x, + y: y + }; +} + +/** + * Helper to build before and after body lines + */ +function getBeforeAfterBodyLines(callback) { + return pushOrConcat([], splitNewlines(callback)); +} + +var exports = module.exports = Element.extend({ + initialize: function() { + this._model = getBaseModel(this._options); + this._lastActive = []; + }, + + // Get the title + // Args are: (tooltipItem, data) + getTitle: function() { + var me = this; + var opts = me._options; + var callbacks = opts.callbacks; + + var beforeTitle = callbacks.beforeTitle.apply(me, arguments); + var title = callbacks.title.apply(me, arguments); + var afterTitle = callbacks.afterTitle.apply(me, arguments); + + var lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + + return lines; + }, + + // Args are: (tooltipItem, data) + getBeforeBody: function() { + return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); + }, + + // Args are: (tooltipItem, data) + getBody: function(tooltipItems, data) { + var me = this; + var callbacks = me._options.callbacks; + var bodyItems = []; + + helpers.each(tooltipItems, function(tooltipItem) { + var bodyItem = { + before: [], + lines: [], + after: [] + }; + pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); + pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); + pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); + + bodyItems.push(bodyItem); + }); + + return bodyItems; + }, + + // Args are: (tooltipItem, data) + getAfterBody: function() { + return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); + }, + + // Get the footer and beforeFooter and afterFooter lines + // Args are: (tooltipItem, data) + getFooter: function() { + var me = this; + var callbacks = me._options.callbacks; + + var beforeFooter = callbacks.beforeFooter.apply(me, arguments); + var footer = callbacks.footer.apply(me, arguments); + var afterFooter = callbacks.afterFooter.apply(me, arguments); + + var lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + + return lines; + }, + + update: function(changed) { + var me = this; + var opts = me._options; + + // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition + // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time + // which breaks any animations. + var existingModel = me._model; + var model = me._model = getBaseModel(opts); + var active = me._active; + + var data = me._data; + + // In the case where active.length === 0 we need to keep these at existing values for good animations + var alignment = { + xAlign: existingModel.xAlign, + yAlign: existingModel.yAlign + }; + var backgroundPoint = { + x: existingModel.x, + y: existingModel.y + }; + var tooltipSize = { + width: existingModel.width, + height: existingModel.height + }; + var tooltipPosition = { + x: existingModel.caretX, + y: existingModel.caretY + }; + + var i, len; + + if (active.length) { + model.opacity = 1; + + var labelColors = []; + var labelTextColors = []; + tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); + + var tooltipItems = []; + for (i = 0, len = active.length; i < len; ++i) { + tooltipItems.push(createTooltipItem(active[i])); + } + + // If the user provided a filter function, use it to modify the tooltip items + if (opts.filter) { + tooltipItems = tooltipItems.filter(function(a) { + return opts.filter(a, data); + }); + } + + // If the user provided a sorting function, use it to modify the tooltip items + if (opts.itemSort) { + tooltipItems = tooltipItems.sort(function(a, b) { + return opts.itemSort(a, b, data); + }); + } + + // Determine colors for boxes + helpers.each(tooltipItems, function(tooltipItem) { + labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); + labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); + }); + + + // Build the Text Lines + model.title = me.getTitle(tooltipItems, data); + model.beforeBody = me.getBeforeBody(tooltipItems, data); + model.body = me.getBody(tooltipItems, data); + model.afterBody = me.getAfterBody(tooltipItems, data); + model.footer = me.getFooter(tooltipItems, data); + + // Initial positioning and colors + model.x = Math.round(tooltipPosition.x); + model.y = Math.round(tooltipPosition.y); + model.caretPadding = opts.caretPadding; + model.labelColors = labelColors; + model.labelTextColors = labelTextColors; + + // data points + model.dataPoints = tooltipItems; + + // We need to determine alignment of the tooltip + tooltipSize = getTooltipSize(this, model); + alignment = determineAlignment(this, tooltipSize); + // Final Size and Position + backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); + } else { + model.opacity = 0; + } + + model.xAlign = alignment.xAlign; + model.yAlign = alignment.yAlign; + model.x = backgroundPoint.x; + model.y = backgroundPoint.y; + model.width = tooltipSize.width; + model.height = tooltipSize.height; + + // Point where the caret on the tooltip points to + model.caretX = tooltipPosition.x; + model.caretY = tooltipPosition.y; + + me._model = model; + + if (changed && opts.custom) { + opts.custom.call(me, model); + } + + return me; + }, + + drawCaret: function(tooltipPoint, size) { + var ctx = this._chart.ctx; + var vm = this._view; + var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); + + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + }, + getCaretPosition: function(tooltipPoint, size, vm) { + var x1, x2, x3, y1, y2, y3; + var caretSize = vm.caretSize; + var cornerRadius = vm.cornerRadius; + var xAlign = vm.xAlign; + var yAlign = vm.yAlign; + var ptX = tooltipPoint.x; + var ptY = tooltipPoint.y; + var width = size.width; + var height = size.height; + + if (yAlign === 'center') { + y2 = ptY + (height / 2); + + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + x3 = x1; + + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + x3 = x1; + + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + } else { + if (xAlign === 'left') { + x2 = ptX + cornerRadius + (caretSize); + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else if (xAlign === 'right') { + x2 = ptX + width - cornerRadius - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + x2 = vm.caretX; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + y3 = y1; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + y3 = y1; + // invert drawing order + var tmp = x3; + x3 = x1; + x1 = tmp; + } + } + return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; + }, + + drawTitle: function(pt, vm, ctx, opacity) { + var title = vm.title; + + if (title.length) { + ctx.textAlign = vm._titleAlign; + ctx.textBaseline = 'top'; + + var titleFontSize = vm.titleFontSize; + var titleSpacing = vm.titleSpacing; + + ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity); + ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); + + var i, len; + for (i = 0, len = title.length; i < len; ++i) { + ctx.fillText(title[i], pt.x, pt.y); + pt.y += titleFontSize + titleSpacing; // Line Height and spacing + + if (i + 1 === title.length) { + pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing + } + } + } + }, + + drawBody: function(pt, vm, ctx, opacity) { + var bodyFontSize = vm.bodyFontSize; + var bodySpacing = vm.bodySpacing; + var body = vm.body; + + ctx.textAlign = vm._bodyAlign; + ctx.textBaseline = 'top'; + ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); + + // Before Body + var xLinePadding = 0; + var fillLineOfText = function(line) { + ctx.fillText(line, pt.x + xLinePadding, pt.y); + pt.y += bodyFontSize + bodySpacing; + }; + + // Before body lines + ctx.fillStyle = mergeOpacity(vm.bodyFontColor, opacity); + helpers.each(vm.beforeBody, fillLineOfText); + + var drawColorBoxes = vm.displayColors; + xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0; + + // Draw body lines now + helpers.each(body, function(bodyItem, i) { + var textColor = mergeOpacity(vm.labelTextColors[i], opacity); + ctx.fillStyle = textColor; + helpers.each(bodyItem.before, fillLineOfText); + + helpers.each(bodyItem.lines, function(line) { + // Draw Legend-like boxes if needed + if (drawColorBoxes) { + // Fill a white rect so that colours merge nicely if the opacity is < 1 + ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity); + ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize); + + // Border + ctx.lineWidth = 1; + ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity); + ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize); + + // Inner square + ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity); + ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); + ctx.fillStyle = textColor; + } + + fillLineOfText(line); + }); + + helpers.each(bodyItem.after, fillLineOfText); + }); + + // Reset back to 0 for after body + xLinePadding = 0; + + // After body lines + helpers.each(vm.afterBody, fillLineOfText); + pt.y -= bodySpacing; // Remove last body spacing + }, + + drawFooter: function(pt, vm, ctx, opacity) { + var footer = vm.footer; + + if (footer.length) { + pt.y += vm.footerMarginTop; + + ctx.textAlign = vm._footerAlign; + ctx.textBaseline = 'top'; + + ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity); + ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); + + helpers.each(footer, function(line) { + ctx.fillText(line, pt.x, pt.y); + pt.y += vm.footerFontSize + vm.footerSpacing; + }); + } + }, + + drawBackground: function(pt, vm, ctx, tooltipSize, opacity) { + ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity); + ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity); + ctx.lineWidth = vm.borderWidth; + var xAlign = vm.xAlign; + var yAlign = vm.yAlign; + var x = pt.x; + var y = pt.y; + var width = tooltipSize.width; + var height = tooltipSize.height; + var radius = vm.cornerRadius; + + ctx.beginPath(); + ctx.moveTo(x + radius, y); + if (yAlign === 'top') { + this.drawCaret(pt, tooltipSize); + } + ctx.lineTo(x + width - radius, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + radius); + if (yAlign === 'center' && xAlign === 'right') { + this.drawCaret(pt, tooltipSize); + } + ctx.lineTo(x + width, y + height - radius); + ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); + if (yAlign === 'bottom') { + this.drawCaret(pt, tooltipSize); + } + ctx.lineTo(x + radius, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - radius); + if (yAlign === 'center' && xAlign === 'left') { + this.drawCaret(pt, tooltipSize); + } + ctx.lineTo(x, y + radius); + ctx.quadraticCurveTo(x, y, x + radius, y); + ctx.closePath(); + + ctx.fill(); + + if (vm.borderWidth > 0) { + ctx.stroke(); + } + }, + + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + + if (vm.opacity === 0) { + return; + } + + var tooltipSize = { + width: vm.width, + height: vm.height + }; + var pt = { + x: vm.x, + y: vm.y + }; + + // IE11/Edge does not like very small opacities, so snap to 0 + var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; + + // Truthy/falsey value for empty tooltip + var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; + + if (this._options.enabled && hasTooltipContent) { + // Draw Background + this.drawBackground(pt, vm, ctx, tooltipSize, opacity); + + // Draw Title, Body, and Footer + pt.x += vm.xPadding; + pt.y += vm.yPadding; + + // Titles + this.drawTitle(pt, vm, ctx, opacity); + + // Body + this.drawBody(pt, vm, ctx, opacity); + + // Footer + this.drawFooter(pt, vm, ctx, opacity); + } + }, + + /** + * Handle an event + * @private + * @param {IEvent} event - The event to handle + * @returns {Boolean} true if the tooltip changed + */ + handleEvent: function(e) { + var me = this; + var options = me._options; + var changed = false; + + me._lastActive = me._lastActive || []; + + // Find Active Elements for tooltips + if (e.type === 'mouseout') { + me._active = []; + } else { + me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); + } + + // Remember Last Actives + changed = !helpers.arrayEquals(me._active, me._lastActive); + + // Only handle target event on tooltip change + if (changed) { + me._lastActive = me._active; + + if (options.enabled || options.custom) { + me._eventPosition = { + x: e.x, + y: e.y + }; + + me.update(true); + me.pivot(); + } + } + + return changed; + } +}); + +/** + * @namespace Chart.Tooltip.positioners + */ +exports.positioners = positioners; + + +},{"26":26,"27":27,"46":46}],37:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); + +defaults._set('global', { + elements: { + arc: { + backgroundColor: defaults.global.defaultColor, + borderColor: '#fff', + borderWidth: 2 + } + } +}); + +module.exports = Element.extend({ + inLabelRange: function(mouseX) { + var vm = this._view; + + if (vm) { + return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); + } + return false; + }, + + inRange: function(chartX, chartY) { + var vm = this._view; + + if (vm) { + var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY}); + var angle = pointRelativePosition.angle; + var distance = pointRelativePosition.distance; + + // Sanitise angle range + var startAngle = vm.startAngle; + var endAngle = vm.endAngle; + while (endAngle < startAngle) { + endAngle += 2.0 * Math.PI; + } + while (angle > endAngle) { + angle -= 2.0 * Math.PI; + } + while (angle < startAngle) { + angle += 2.0 * Math.PI; + } + + // Check if within the range of the open/close angle + var betweenAngles = (angle >= startAngle && angle <= endAngle); + var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); + + return (betweenAngles && withinRadius); + } + return false; + }, + + getCenterPoint: function() { + var vm = this._view; + var halfAngle = (vm.startAngle + vm.endAngle) / 2; + var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; + return { + x: vm.x + Math.cos(halfAngle) * halfRadius, + y: vm.y + Math.sin(halfAngle) * halfRadius + }; + }, + + getArea: function() { + var vm = this._view; + return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); + }, + + tooltipPosition: function() { + var vm = this._view; + var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); + var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; + + return { + x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), + y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) + }; + }, + + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + var sA = vm.startAngle; + var eA = vm.endAngle; + + ctx.beginPath(); + + ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); + ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); + + ctx.closePath(); + ctx.strokeStyle = vm.borderColor; + ctx.lineWidth = vm.borderWidth; + + ctx.fillStyle = vm.backgroundColor; + + ctx.fill(); + ctx.lineJoin = 'bevel'; + + if (vm.borderWidth) { + ctx.stroke(); + } + } +}); + +},{"26":26,"27":27,"46":46}],38:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); + +var globalDefaults = defaults.global; + +defaults._set('global', { + elements: { + line: { + tension: 0.4, + backgroundColor: globalDefaults.defaultColor, + borderWidth: 3, + borderColor: globalDefaults.defaultColor, + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0.0, + borderJoinStyle: 'miter', + capBezierPoints: true, + fill: true, // do we fill in the area between the line and its base axis + } + } +}); + +module.exports = Element.extend({ + draw: function() { + var me = this; + var vm = me._view; + var ctx = me._chart.ctx; + var spanGaps = vm.spanGaps; + var points = me._children.slice(); // clone array + var globalOptionLineElements = globalDefaults.elements.line; + var lastDrawnIndex = -1; + var index, current, previous, currentVM; + + // If we are looping, adding the first point again + if (me._loop && points.length) { + points.push(points[0]); + } + + ctx.save(); + + // Stroke Line Options + ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; + + // IE 9 and 10 do not support line dash + if (ctx.setLineDash) { + ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); + } + + ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset; + ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; + ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth; + ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; + + // Stroke Line + ctx.beginPath(); + lastDrawnIndex = -1; + + for (index = 0; index < points.length; ++index) { + current = points[index]; + previous = helpers.previousItem(points, index); + currentVM = current._view; + + // First point moves to it's starting position no matter what + if (index === 0) { + if (!currentVM.skip) { + ctx.moveTo(currentVM.x, currentVM.y); + lastDrawnIndex = index; + } + } else { + previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; + + if (!currentVM.skip) { + if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { + // There was a gap and this is the first point after the gap + ctx.moveTo(currentVM.x, currentVM.y); + } else { + // Line to next point + helpers.canvas.lineTo(ctx, previous._view, current._view); + } + lastDrawnIndex = index; + } + } + } + + ctx.stroke(); + ctx.restore(); + } +}); + +},{"26":26,"27":27,"46":46}],39:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); + +var defaultColor = defaults.global.defaultColor; + +defaults._set('global', { + elements: { + point: { + radius: 3, + pointStyle: 'circle', + backgroundColor: defaultColor, + borderColor: defaultColor, + borderWidth: 1, + // Hover + hitRadius: 1, + hoverRadius: 4, + hoverBorderWidth: 1 + } + } +}); + +function xRange(mouseX) { + var vm = this._view; + return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; +} + +function yRange(mouseY) { + var vm = this._view; + return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; +} + +module.exports = Element.extend({ + inRange: function(mouseX, mouseY) { + var vm = this._view; + return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; + }, + + inLabelRange: xRange, + inXRange: xRange, + inYRange: yRange, + + getCenterPoint: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y + }; + }, + + getArea: function() { + return Math.PI * Math.pow(this._view.radius, 2); + }, + + tooltipPosition: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y, + padding: vm.radius + vm.borderWidth + }; + }, + + draw: function(chartArea) { + var vm = this._view; + var model = this._model; + var ctx = this._chart.ctx; + var pointStyle = vm.pointStyle; + var rotation = vm.rotation; + var radius = vm.radius; + var x = vm.x; + var y = vm.y; + var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.) + + if (vm.skip) { + return; + } + + // Clipping for Points. + if (chartArea === undefined || (model.x >= chartArea.left && chartArea.right * errMargin >= model.x && model.y >= chartArea.top && chartArea.bottom * errMargin >= model.y)) { + ctx.strokeStyle = vm.borderColor || defaultColor; + ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth); + ctx.fillStyle = vm.backgroundColor || defaultColor; + helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); + } + } +}); + +},{"26":26,"27":27,"46":46}],40:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); + +defaults._set('global', { + elements: { + rectangle: { + backgroundColor: defaults.global.defaultColor, + borderColor: defaults.global.defaultColor, + borderSkipped: 'bottom', + borderWidth: 0 + } + } +}); + +function isVertical(bar) { + return bar._view.width !== undefined; +} + +/** + * Helper function to get the bounds of the bar regardless of the orientation + * @param bar {Chart.Element.Rectangle} the bar + * @return {Bounds} bounds of the bar + * @private + */ +function getBarBounds(bar) { + var vm = bar._view; + var x1, x2, y1, y2; + + if (isVertical(bar)) { + // vertical + var halfWidth = vm.width / 2; + x1 = vm.x - halfWidth; + x2 = vm.x + halfWidth; + y1 = Math.min(vm.y, vm.base); + y2 = Math.max(vm.y, vm.base); + } else { + // horizontal bar + var halfHeight = vm.height / 2; + x1 = Math.min(vm.x, vm.base); + x2 = Math.max(vm.x, vm.base); + y1 = vm.y - halfHeight; + y2 = vm.y + halfHeight; + } + + return { + left: x1, + top: y1, + right: x2, + bottom: y2 + }; +} + +module.exports = Element.extend({ + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + var left, right, top, bottom, signX, signY, borderSkipped; + var borderWidth = vm.borderWidth; + + if (!vm.horizontal) { + // bar + left = vm.x - vm.width / 2; + right = vm.x + vm.width / 2; + top = vm.y; + bottom = vm.base; + signX = 1; + signY = bottom > top ? 1 : -1; + borderSkipped = vm.borderSkipped || 'bottom'; + } else { + // horizontal bar + left = vm.base; + right = vm.x; + top = vm.y - vm.height / 2; + bottom = vm.y + vm.height / 2; + signX = right > left ? 1 : -1; + signY = 1; + borderSkipped = vm.borderSkipped || 'left'; + } + + // Canvas doesn't allow us to stroke inside the width so we can + // adjust the sizes to fit if we're setting a stroke on the line + if (borderWidth) { + // borderWidth shold be less than bar width and bar height. + var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom)); + borderWidth = borderWidth > barSize ? barSize : borderWidth; + var halfStroke = borderWidth / 2; + // Adjust borderWidth when bar top position is near vm.base(zero). + var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0); + var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0); + var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0); + var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0); + // not become a vertical line? + if (borderLeft !== borderRight) { + top = borderTop; + bottom = borderBottom; + } + // not become a horizontal line? + if (borderTop !== borderBottom) { + left = borderLeft; + right = borderRight; + } + } + + ctx.beginPath(); + ctx.fillStyle = vm.backgroundColor; + ctx.strokeStyle = vm.borderColor; + ctx.lineWidth = borderWidth; + + // Corner points, from bottom-left to bottom-right clockwise + // | 1 2 | + // | 0 3 | + var corners = [ + [left, bottom], + [left, top], + [right, top], + [right, bottom] + ]; + + // Find first (starting) corner with fallback to 'bottom' + var borders = ['bottom', 'left', 'top', 'right']; + var startCorner = borders.indexOf(borderSkipped, 0); + if (startCorner === -1) { + startCorner = 0; + } + + function cornerAt(index) { + return corners[(startCorner + index) % 4]; + } + + // Draw rectangle from 'startCorner' + var corner = cornerAt(0); + ctx.moveTo(corner[0], corner[1]); + + for (var i = 1; i < 4; i++) { + corner = cornerAt(i); + ctx.lineTo(corner[0], corner[1]); + } + + ctx.fill(); + if (borderWidth) { + ctx.stroke(); + } + }, + + height: function() { + var vm = this._view; + return vm.base - vm.y; + }, + + inRange: function(mouseX, mouseY) { + var inRange = false; + + if (this._view) { + var bounds = getBarBounds(this); + inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom; + } + + return inRange; + }, + + inLabelRange: function(mouseX, mouseY) { + var me = this; + if (!me._view) { + return false; + } + + var inRange = false; + var bounds = getBarBounds(me); + + if (isVertical(me)) { + inRange = mouseX >= bounds.left && mouseX <= bounds.right; + } else { + inRange = mouseY >= bounds.top && mouseY <= bounds.bottom; + } + + return inRange; + }, + + inXRange: function(mouseX) { + var bounds = getBarBounds(this); + return mouseX >= bounds.left && mouseX <= bounds.right; + }, + + inYRange: function(mouseY) { + var bounds = getBarBounds(this); + return mouseY >= bounds.top && mouseY <= bounds.bottom; + }, + + getCenterPoint: function() { + var vm = this._view; + var x, y; + if (isVertical(this)) { + x = vm.x; + y = (vm.y + vm.base) / 2; + } else { + x = (vm.x + vm.base) / 2; + y = vm.y; + } + + return {x: x, y: y}; + }, + + getArea: function() { + var vm = this._view; + return vm.width * Math.abs(vm.y - vm.base); + }, + + tooltipPosition: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y + }; + } +}); + +},{"26":26,"27":27}],41:[function(require,module,exports){ +'use strict'; + +module.exports = {}; +module.exports.Arc = require(37); +module.exports.Line = require(38); +module.exports.Point = require(39); +module.exports.Rectangle = require(40); + +},{"37":37,"38":38,"39":39,"40":40}],42:[function(require,module,exports){ +'use strict'; + +var helpers = require(43); + +/** + * @namespace Chart.helpers.canvas + */ +var exports = module.exports = { + /** + * Clears the entire canvas associated to the given `chart`. + * @param {Chart} chart - The chart for which to clear the canvas. + */ + clear: function(chart) { + chart.ctx.clearRect(0, 0, chart.width, chart.height); + }, + + /** + * Creates a "path" for a rectangle with rounded corners at position (x, y) with a + * given size (width, height) and the same `radius` for all corners. + * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. + * @param {Number} x - The x axis of the coordinate for the rectangle starting point. + * @param {Number} y - The y axis of the coordinate for the rectangle starting point. + * @param {Number} width - The rectangle's width. + * @param {Number} height - The rectangle's height. + * @param {Number} radius - The rounded amount (in pixels) for the four corners. + * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? + */ + roundedRect: function(ctx, x, y, width, height, radius) { + if (radius) { + // NOTE(SB) `epsilon` helps to prevent minor artifacts appearing + // on Chrome when `r` is exactly half the height or the width. + var epsilon = 0.0000001; + var r = Math.min(radius, (height / 2) - epsilon, (width / 2) - epsilon); + + ctx.moveTo(x + r, y); + ctx.lineTo(x + width - r, y); + ctx.arcTo(x + width, y, x + width, y + r, r); + ctx.lineTo(x + width, y + height - r); + ctx.arcTo(x + width, y + height, x + width - r, y + height, r); + ctx.lineTo(x + r, y + height); + ctx.arcTo(x, y + height, x, y + height - r, r); + ctx.lineTo(x, y + r); + ctx.arcTo(x, y, x + r, y, r); + ctx.closePath(); + ctx.moveTo(x, y); + } else { + ctx.rect(x, y, width, height); + } + }, + + drawPoint: function(ctx, style, radius, x, y, rotation) { + var type, edgeLength, xOffset, yOffset, height, size; + rotation = rotation || 0; + + if (style && typeof style === 'object') { + type = style.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); + return; + } + } + + if (isNaN(radius) || radius <= 0) { + return; + } + + ctx.save(); + ctx.translate(x, y); + ctx.rotate(rotation * Math.PI / 180); + ctx.beginPath(); + + switch (style) { + // Default includes circle + default: + ctx.arc(0, 0, radius, 0, Math.PI * 2); + ctx.closePath(); + break; + case 'triangle': + edgeLength = 3 * radius / Math.sqrt(3); + height = edgeLength * Math.sqrt(3) / 2; + ctx.moveTo(-edgeLength / 2, height / 3); + ctx.lineTo(edgeLength / 2, height / 3); + ctx.lineTo(0, -2 * height / 3); + ctx.closePath(); + break; + case 'rect': + size = 1 / Math.SQRT2 * radius; + ctx.rect(-size, -size, 2 * size, 2 * size); + break; + case 'rectRounded': + var offset = radius / Math.SQRT2; + var leftX = -offset; + var topY = -offset; + var sideSize = Math.SQRT2 * radius; + + // NOTE(SB) the rounded rect implementation changed to use `arcTo` + // instead of `quadraticCurveTo` since it generates better results + // when rect is almost a circle. 0.425 (instead of 0.5) produces + // results visually closer to the previous impl. + this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius * 0.425); + break; + case 'rectRot': + size = 1 / Math.SQRT2 * radius; + ctx.moveTo(-size, 0); + ctx.lineTo(0, size); + ctx.lineTo(size, 0); + ctx.lineTo(0, -size); + ctx.closePath(); + break; + case 'cross': + ctx.moveTo(0, radius); + ctx.lineTo(0, -radius); + ctx.moveTo(-radius, 0); + ctx.lineTo(radius, 0); + break; + case 'crossRot': + xOffset = Math.cos(Math.PI / 4) * radius; + yOffset = Math.sin(Math.PI / 4) * radius; + ctx.moveTo(-xOffset, -yOffset); + ctx.lineTo(xOffset, yOffset); + ctx.moveTo(-xOffset, yOffset); + ctx.lineTo(xOffset, -yOffset); + break; + case 'star': + ctx.moveTo(0, radius); + ctx.lineTo(0, -radius); + ctx.moveTo(-radius, 0); + ctx.lineTo(radius, 0); + xOffset = Math.cos(Math.PI / 4) * radius; + yOffset = Math.sin(Math.PI / 4) * radius; + ctx.moveTo(-xOffset, -yOffset); + ctx.lineTo(xOffset, yOffset); + ctx.moveTo(-xOffset, yOffset); + ctx.lineTo(xOffset, -yOffset); + break; + case 'line': + ctx.moveTo(-radius, 0); + ctx.lineTo(radius, 0); + break; + case 'dash': + ctx.moveTo(0, 0); + ctx.lineTo(radius, 0); + break; + } + + ctx.fill(); + ctx.stroke(); + ctx.restore(); + }, + + clipArea: function(ctx, area) { + ctx.save(); + ctx.beginPath(); + ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); + ctx.clip(); + }, + + unclipArea: function(ctx) { + ctx.restore(); + }, + + lineTo: function(ctx, previous, target, flip) { + if (target.steppedLine) { + if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) { + ctx.lineTo(previous.x, target.y); + } else { + ctx.lineTo(target.x, previous.y); + } + ctx.lineTo(target.x, target.y); + return; + } + + if (!target.tension) { + ctx.lineTo(target.x, target.y); + return; + } + + ctx.bezierCurveTo( + flip ? previous.controlPointPreviousX : previous.controlPointNextX, + flip ? previous.controlPointPreviousY : previous.controlPointNextY, + flip ? target.controlPointNextX : target.controlPointPreviousX, + flip ? target.controlPointNextY : target.controlPointPreviousY, + target.x, + target.y); + } +}; + +// DEPRECATIONS + +/** + * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. + * @namespace Chart.helpers.clear + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.clear = exports.clear; + +/** + * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. + * @namespace Chart.helpers.drawRoundedRectangle + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.drawRoundedRectangle = function(ctx) { + ctx.beginPath(); + exports.roundedRect.apply(exports, arguments); +}; + +},{"43":43}],43:[function(require,module,exports){ +'use strict'; + +/** + * @namespace Chart.helpers + */ +var helpers = { + /** + * An empty function that can be used, for example, for optional callback. + */ + noop: function() {}, + + /** + * Returns a unique id, sequentially generated from a global variable. + * @returns {Number} + * @function + */ + uid: (function() { + var id = 0; + return function() { + return id++; + }; + }()), + + /** + * Returns true if `value` is neither null nor undefined, else returns false. + * @param {*} value - The value to test. + * @returns {Boolean} + * @since 2.7.0 + */ + isNullOrUndef: function(value) { + return value === null || typeof value === 'undefined'; + }, + + /** + * Returns true if `value` is an array, else returns false. + * @param {*} value - The value to test. + * @returns {Boolean} + * @function + */ + isArray: Array.isArray ? Array.isArray : function(value) { + return Object.prototype.toString.call(value) === '[object Array]'; + }, + + /** + * Returns true if `value` is an object (excluding null), else returns false. + * @param {*} value - The value to test. + * @returns {Boolean} + * @since 2.7.0 + */ + isObject: function(value) { + return value !== null && Object.prototype.toString.call(value) === '[object Object]'; + }, + + /** + * Returns `value` if defined, else returns `defaultValue`. + * @param {*} value - The value to return if defined. + * @param {*} defaultValue - The value to return if `value` is undefined. + * @returns {*} + */ + valueOrDefault: function(value, defaultValue) { + return typeof value === 'undefined' ? defaultValue : value; + }, + + /** + * Returns value at the given `index` in array if defined, else returns `defaultValue`. + * @param {Array} value - The array to lookup for value at `index`. + * @param {Number} index - The index in `value` to lookup for value. + * @param {*} defaultValue - The value to return if `value[index]` is undefined. + * @returns {*} + */ + valueAtIndexOrDefault: function(value, index, defaultValue) { + return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); + }, + + /** + * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the + * value returned by `fn`. If `fn` is not a function, this method returns undefined. + * @param {Function} fn - The function to call. + * @param {Array|undefined|null} args - The arguments with which `fn` should be called. + * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`. + * @returns {*} + */ + callback: function(fn, args, thisArg) { + if (fn && typeof fn.call === 'function') { + return fn.apply(thisArg, args); + } + }, + + /** + * Note(SB) for performance sake, this method should only be used when loopable type + * is unknown or in none intensive code (not called often and small loopable). Else + * it's preferable to use a regular for() loop and save extra function calls. + * @param {Object|Array} loopable - The object or array to be iterated. + * @param {Function} fn - The function to call for each item. + * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`. + * @param {Boolean} [reverse] - If true, iterates backward on the loopable. + */ + each: function(loopable, fn, thisArg, reverse) { + var i, len, keys; + if (helpers.isArray(loopable)) { + len = loopable.length; + if (reverse) { + for (i = len - 1; i >= 0; i--) { + fn.call(thisArg, loopable[i], i); + } + } else { + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[i], i); + } + } + } else if (helpers.isObject(loopable)) { + keys = Object.keys(loopable); + len = keys.length; + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[keys[i]], keys[i]); + } + } + }, + + /** + * Returns true if the `a0` and `a1` arrays have the same content, else returns false. + * @see http://stackoverflow.com/a/14853974 + * @param {Array} a0 - The array to compare + * @param {Array} a1 - The array to compare + * @returns {Boolean} + */ + arrayEquals: function(a0, a1) { + var i, ilen, v0, v1; + + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + + for (i = 0, ilen = a0.length; i < ilen; ++i) { + v0 = a0[i]; + v1 = a1[i]; + + if (v0 instanceof Array && v1 instanceof Array) { + if (!helpers.arrayEquals(v0, v1)) { + return false; + } + } else if (v0 !== v1) { + // NOTE: two different object instances will never be equal: {x:20} != {x:20} + return false; + } + } + + return true; + }, + + /** + * Returns a deep copy of `source` without keeping references on objects and arrays. + * @param {*} source - The value to clone. + * @returns {*} + */ + clone: function(source) { + if (helpers.isArray(source)) { + return source.map(helpers.clone); + } + + if (helpers.isObject(source)) { + var target = {}; + var keys = Object.keys(source); + var klen = keys.length; + var k = 0; + + for (; k < klen; ++k) { + target[keys[k]] = helpers.clone(source[keys[k]]); + } + + return target; + } + + return source; + }, + + /** + * The default merger when Chart.helpers.merge is called without merger option. + * Note(SB): this method is also used by configMerge and scaleMerge as fallback. + * @private + */ + _merger: function(key, target, source, options) { + var tval = target[key]; + var sval = source[key]; + + if (helpers.isObject(tval) && helpers.isObject(sval)) { + helpers.merge(tval, sval, options); + } else { + target[key] = helpers.clone(sval); + } + }, + + /** + * Merges source[key] in target[key] only if target[key] is undefined. + * @private + */ + _mergerIf: function(key, target, source) { + var tval = target[key]; + var sval = source[key]; + + if (helpers.isObject(tval) && helpers.isObject(sval)) { + helpers.mergeIf(tval, sval); + } else if (!target.hasOwnProperty(key)) { + target[key] = helpers.clone(sval); + } + }, + + /** + * Recursively deep copies `source` properties into `target` with the given `options`. + * IMPORTANT: `target` is not cloned and will be updated with `source` properties. + * @param {Object} target - The target object in which all sources are merged into. + * @param {Object|Array(Object)} source - Object(s) to merge into `target`. + * @param {Object} [options] - Merging options: + * @param {Function} [options.merger] - The merge method (key, target, source, options) + * @returns {Object} The `target` object. + */ + merge: function(target, source, options) { + var sources = helpers.isArray(source) ? source : [source]; + var ilen = sources.length; + var merge, i, keys, klen, k; + + if (!helpers.isObject(target)) { + return target; + } + + options = options || {}; + merge = options.merger || helpers._merger; + + for (i = 0; i < ilen; ++i) { + source = sources[i]; + if (!helpers.isObject(source)) { + continue; + } + + keys = Object.keys(source); + for (k = 0, klen = keys.length; k < klen; ++k) { + merge(keys[k], target, source, options); + } + } + + return target; + }, + + /** + * Recursively deep copies `source` properties into `target` *only* if not defined in target. + * IMPORTANT: `target` is not cloned and will be updated with `source` properties. + * @param {Object} target - The target object in which all sources are merged into. + * @param {Object|Array(Object)} source - Object(s) to merge into `target`. + * @returns {Object} The `target` object. + */ + mergeIf: function(target, source) { + return helpers.merge(target, source, {merger: helpers._mergerIf}); + }, + + /** + * Applies the contents of two or more objects together into the first object. + * @param {Object} target - The target object in which all objects are merged into. + * @param {Object} arg1 - Object containing additional properties to merge in target. + * @param {Object} argN - Additional objects containing properties to merge in target. + * @returns {Object} The `target` object. + */ + extend: function(target) { + var setFn = function(value, key) { + target[key] = value; + }; + for (var i = 1, ilen = arguments.length; i < ilen; ++i) { + helpers.each(arguments[i], setFn); + } + return target; + }, + + /** + * Basic javascript inheritance based on the model created in Backbone.js + */ + inherits: function(extensions) { + var me = this; + var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { + return me.apply(this, arguments); + }; + + var Surrogate = function() { + this.constructor = ChartElement; + }; + + Surrogate.prototype = me.prototype; + ChartElement.prototype = new Surrogate(); + ChartElement.extend = helpers.inherits; + + if (extensions) { + helpers.extend(ChartElement.prototype, extensions); + } + + ChartElement.__super__ = me.prototype; + return ChartElement; + } +}; + +module.exports = helpers; + +// DEPRECATIONS + +/** + * Provided for backward compatibility, use Chart.helpers.callback instead. + * @function Chart.helpers.callCallback + * @deprecated since version 2.6.0 + * @todo remove at version 3 + * @private + */ +helpers.callCallback = helpers.callback; + +/** + * Provided for backward compatibility, use Array.prototype.indexOf instead. + * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ + * @function Chart.helpers.indexOf + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.indexOf = function(array, item, fromIndex) { + return Array.prototype.indexOf.call(array, item, fromIndex); +}; + +/** + * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. + * @function Chart.helpers.getValueOrDefault + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.getValueOrDefault = helpers.valueOrDefault; + +/** + * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. + * @function Chart.helpers.getValueAtIndexOrDefault + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; + +},{}],44:[function(require,module,exports){ +'use strict'; + +var helpers = require(43); + +/** + * Easing functions adapted from Robert Penner's easing equations. + * @namespace Chart.helpers.easingEffects + * @see http://www.robertpenner.com/easing/ + */ +var effects = { + linear: function(t) { + return t; + }, + + easeInQuad: function(t) { + return t * t; + }, + + easeOutQuad: function(t) { + return -t * (t - 2); + }, + + easeInOutQuad: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t; + } + return -0.5 * ((--t) * (t - 2) - 1); + }, + + easeInCubic: function(t) { + return t * t * t; + }, + + easeOutCubic: function(t) { + return (t = t - 1) * t * t + 1; + }, + + easeInOutCubic: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t * t; + } + return 0.5 * ((t -= 2) * t * t + 2); + }, + + easeInQuart: function(t) { + return t * t * t * t; + }, + + easeOutQuart: function(t) { + return -((t = t - 1) * t * t * t - 1); + }, + + easeInOutQuart: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t * t * t; + } + return -0.5 * ((t -= 2) * t * t * t - 2); + }, + + easeInQuint: function(t) { + return t * t * t * t * t; + }, + + easeOutQuint: function(t) { + return (t = t - 1) * t * t * t * t + 1; + }, + + easeInOutQuint: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t * t * t * t; + } + return 0.5 * ((t -= 2) * t * t * t * t + 2); + }, + + easeInSine: function(t) { + return -Math.cos(t * (Math.PI / 2)) + 1; + }, + + easeOutSine: function(t) { + return Math.sin(t * (Math.PI / 2)); + }, + + easeInOutSine: function(t) { + return -0.5 * (Math.cos(Math.PI * t) - 1); + }, + + easeInExpo: function(t) { + return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); + }, + + easeOutExpo: function(t) { + return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; + }, + + easeInOutExpo: function(t) { + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if ((t /= 0.5) < 1) { + return 0.5 * Math.pow(2, 10 * (t - 1)); + } + return 0.5 * (-Math.pow(2, -10 * --t) + 2); + }, + + easeInCirc: function(t) { + if (t >= 1) { + return t; + } + return -(Math.sqrt(1 - t * t) - 1); + }, + + easeOutCirc: function(t) { + return Math.sqrt(1 - (t = t - 1) * t); + }, + + easeInOutCirc: function(t) { + if ((t /= 0.5) < 1) { + return -0.5 * (Math.sqrt(1 - t * t) - 1); + } + return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); + }, + + easeInElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if (!p) { + p = 0.3; + } + if (a < 1) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); + }, + + easeOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if (!p) { + p = 0.3; + } + if (a < 1) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; + }, + + easeInOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 0.5) === 2) { + return 1; + } + if (!p) { + p = 0.45; + } + if (a < 1) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + if (t < 1) { + return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); + } + return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; + }, + easeInBack: function(t) { + var s = 1.70158; + return t * t * ((s + 1) * t - s); + }, + + easeOutBack: function(t) { + var s = 1.70158; + return (t = t - 1) * t * ((s + 1) * t + s) + 1; + }, + + easeInOutBack: function(t) { + var s = 1.70158; + if ((t /= 0.5) < 1) { + return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); + } + return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); + }, + + easeInBounce: function(t) { + return 1 - effects.easeOutBounce(1 - t); + }, + + easeOutBounce: function(t) { + if (t < (1 / 2.75)) { + return 7.5625 * t * t; + } + if (t < (2 / 2.75)) { + return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; + } + if (t < (2.5 / 2.75)) { + return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; + } + return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; + }, + + easeInOutBounce: function(t) { + if (t < 0.5) { + return effects.easeInBounce(t * 2) * 0.5; + } + return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; + } +}; + +module.exports = { + effects: effects +}; + +// DEPRECATIONS + +/** + * Provided for backward compatibility, use Chart.helpers.easing.effects instead. + * @function Chart.helpers.easingEffects + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.easingEffects = effects; + +},{"43":43}],45:[function(require,module,exports){ +'use strict'; + +var helpers = require(43); + +/** + * @alias Chart.helpers.options + * @namespace + */ +module.exports = { + /** + * Converts the given line height `value` in pixels for a specific font `size`. + * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). + * @param {Number} size - The font size (in pixels) used to resolve relative `value`. + * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid). + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height + * @since 2.7.0 + */ + toLineHeight: function(value, size) { + var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); + if (!matches || matches[1] === 'normal') { + return size * 1.2; + } + + value = +matches[2]; + + switch (matches[3]) { + case 'px': + return value; + case '%': + value /= 100; + break; + default: + break; + } + + return size * value; + }, + + /** + * Converts the given value into a padding object with pre-computed width/height. + * @param {Number|Object} value - If a number, set the value to all TRBL component, + * else, if and object, use defined properties and sets undefined ones to 0. + * @returns {Object} The padding values (top, right, bottom, left, width, height) + * @since 2.7.0 + */ + toPadding: function(value) { + var t, r, b, l; + + if (helpers.isObject(value)) { + t = +value.top || 0; + r = +value.right || 0; + b = +value.bottom || 0; + l = +value.left || 0; + } else { + t = r = b = l = +value || 0; + } + + return { + top: t, + right: r, + bottom: b, + left: l, + height: t + b, + width: l + r + }; + }, + + /** + * Evaluates the given `inputs` sequentially and returns the first defined value. + * @param {Array[]} inputs - An array of values, falling back to the last value. + * @param {Object} [context] - If defined and the current value is a function, the value + * is called with `context` as first argument and the result becomes the new input. + * @param {Number} [index] - If defined and the current value is an array, the value + * at `index` become the new input. + * @since 2.7.0 + */ + resolve: function(inputs, context, index) { + var i, ilen, value; + + for (i = 0, ilen = inputs.length; i < ilen; ++i) { + value = inputs[i]; + if (value === undefined) { + continue; + } + if (context !== undefined && typeof value === 'function') { + value = value(context); + } + if (index !== undefined && helpers.isArray(value)) { + value = value[index]; + } + if (value !== undefined) { + return value; + } + } + } +}; + +},{"43":43}],46:[function(require,module,exports){ +'use strict'; + +module.exports = require(43); +module.exports.easing = require(44); +module.exports.canvas = require(42); +module.exports.options = require(45); + +},{"42":42,"43":43,"44":44,"45":45}],47:[function(require,module,exports){ +/** + * Platform fallback implementation (minimal). + * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 + */ + +module.exports = { + acquireContext: function(item) { + if (item && item.canvas) { + // Support for any object associated to a canvas (including a context2d) + item = item.canvas; + } + + return item && item.getContext('2d') || null; + } +}; + +},{}],48:[function(require,module,exports){ +/** + * Chart.Platform implementation for targeting a web browser + */ + +'use strict'; + +var helpers = require(46); + +var EXPANDO_KEY = '$chartjs'; +var CSS_PREFIX = 'chartjs-'; +var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; +var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; +var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; + +/** + * DOM event types -> Chart.js event types. + * Note: only events with different types are mapped. + * @see https://developer.mozilla.org/en-US/docs/Web/Events + */ +var EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' +}; + +/** + * The "used" size is the final value of a dimension property after all calculations have + * been performed. This method uses the computed style of `element` but returns undefined + * if the computed style is not expressed in pixels. That can happen in some cases where + * `element` has a size relative to its parent and this last one is not yet displayed, + * for example because of `display: none` on a parent node. + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value + * @returns {Number} Size in pixels or undefined if unknown. + */ +function readUsedSize(element, property) { + var value = helpers.getStyle(element, property); + var matches = value && value.match(/^(\d+)(\.\d+)?px$/); + return matches ? Number(matches[1]) : undefined; +} + +/** + * Initializes the canvas style and render size without modifying the canvas display size, + * since responsiveness is handled by the controller.resize() method. The config is used + * to determine the aspect ratio to apply in case no explicit height has been specified. + */ +function initCanvas(canvas, config) { + var style = canvas.style; + + // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it + // returns null or '' if no explicit value has been set to the canvas attribute. + var renderHeight = canvas.getAttribute('height'); + var renderWidth = canvas.getAttribute('width'); + + // Chart.js modifies some canvas values that we want to restore on destroy + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + + // Force canvas to display as block to avoid extra space caused by inline + // elements, which would interfere with the responsive resize process. + // https://github.com/chartjs/Chart.js/issues/2538 + style.display = style.display || 'block'; + + if (renderWidth === null || renderWidth === '') { + var displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + + if (renderHeight === null || renderHeight === '') { + if (canvas.style.height === '') { + // If no explicit render height and style height, let's apply the aspect ratio, + // which one can be specified by the user but also by charts as default option + // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. + canvas.height = canvas.width / (config.options.aspectRatio || 2); + } else { + var displayHeight = readUsedSize(canvas, 'height'); + if (displayWidth !== undefined) { + canvas.height = displayHeight; + } + } + } + + return canvas; +} + +/** + * Detects support for options object argument in addEventListener. + * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support + * @private + */ +var supportsEventListenerOptions = (function() { + var supports = false; + try { + var options = Object.defineProperty({}, 'passive', { + get: function() { + supports = true; + } + }); + window.addEventListener('e', null, options); + } catch (e) { + // continue regardless of error + } + return supports; +}()); + +// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. +// https://github.com/chartjs/Chart.js/issues/4287 +var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; + +function addEventListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} + +function removeEventListener(node, type, listener) { + node.removeEventListener(type, listener, eventListenerOptions); +} + +function createEvent(type, chart, x, y, nativeEvent) { + return { + type: type, + chart: chart, + native: nativeEvent || null, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null, + }; +} + +function fromNativeEvent(event, chart) { + var type = EVENT_TYPES[event.type] || event.type; + var pos = helpers.getRelativePosition(event, chart); + return createEvent(type, chart, pos.x, pos.y, event); +} + +function throttled(fn, thisArg) { + var ticking = false; + var args = []; + + return function() { + args = Array.prototype.slice.call(arguments); + thisArg = thisArg || this; + + if (!ticking) { + ticking = true; + helpers.requestAnimFrame.call(window, function() { + ticking = false; + fn.apply(thisArg, args); + }); + } + }; +} + +// Implementation based on https://github.com/marcj/css-element-queries +function createResizer(handler) { + var resizer = document.createElement('div'); + var cls = CSS_PREFIX + 'size-monitor'; + var maxSize = 1000000; + var style = + 'position:absolute;' + + 'left:0;' + + 'top:0;' + + 'right:0;' + + 'bottom:0;' + + 'overflow:hidden;' + + 'pointer-events:none;' + + 'visibility:hidden;' + + 'z-index:-1;'; + + resizer.style.cssText = style; + resizer.className = cls; + resizer.innerHTML = + '
' + + '
' + + '
' + + '
' + + '
' + + '
' + + '
' + + '
'; + + var expand = resizer.childNodes[0]; + var shrink = resizer.childNodes[1]; + + resizer._reset = function() { + expand.scrollLeft = maxSize; + expand.scrollTop = maxSize; + shrink.scrollLeft = maxSize; + shrink.scrollTop = maxSize; + }; + var onScroll = function() { + resizer._reset(); + handler(); + }; + + addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand')); + addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); + + return resizer; +} + +// https://davidwalsh.name/detect-node-insertion +function watchForRender(node, handler) { + var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); + var proxy = expando.renderProxy = function(e) { + if (e.animationName === CSS_RENDER_ANIMATION) { + handler(); + } + }; + + helpers.each(ANIMATION_START_EVENTS, function(type) { + addEventListener(node, type, proxy); + }); + + // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class + // is removed then added back immediately (same animation frame?). Accessing the + // `offsetParent` property will force a reflow and re-evaluate the CSS animation. + // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics + // https://github.com/chartjs/Chart.js/issues/4737 + expando.reflow = !!node.offsetParent; + + node.classList.add(CSS_RENDER_MONITOR); +} + +function unwatchForRender(node) { + var expando = node[EXPANDO_KEY] || {}; + var proxy = expando.renderProxy; + + if (proxy) { + helpers.each(ANIMATION_START_EVENTS, function(type) { + removeEventListener(node, type, proxy); + }); + + delete expando.renderProxy; + } + + node.classList.remove(CSS_RENDER_MONITOR); +} + +function addResizeListener(node, listener, chart) { + var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); + + // Let's keep track of this added resizer and thus avoid DOM query when removing it. + var resizer = expando.resizer = createResizer(throttled(function() { + if (expando.resizer) { + return listener(createEvent('resize', chart)); + } + })); + + // The resizer needs to be attached to the node parent, so we first need to be + // sure that `node` is attached to the DOM before injecting the resizer element. + watchForRender(node, function() { + if (expando.resizer) { + var container = node.parentNode; + if (container && container !== resizer.parentNode) { + container.insertBefore(resizer, container.firstChild); + } + + // The container size might have changed, let's reset the resizer state. + resizer._reset(); + } + }); +} + +function removeResizeListener(node) { + var expando = node[EXPANDO_KEY] || {}; + var resizer = expando.resizer; + + delete expando.resizer; + unwatchForRender(node); + + if (resizer && resizer.parentNode) { + resizer.parentNode.removeChild(resizer); + } +} + +function injectCSS(platform, css) { + // http://stackoverflow.com/q/3922139 + var style = platform._style || document.createElement('style'); + if (!platform._style) { + platform._style = style; + css = '/* Chart.js */\n' + css; + style.setAttribute('type', 'text/css'); + document.getElementsByTagName('head')[0].appendChild(style); + } + + style.appendChild(document.createTextNode(css)); +} + +module.exports = { + /** + * This property holds whether this platform is enabled for the current environment. + * Currently used by platform.js to select the proper implementation. + * @private + */ + _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', + + initialize: function() { + var keyframes = 'from{opacity:0.99}to{opacity:1}'; + + injectCSS(this, + // DOM rendering detection + // https://davidwalsh.name/detect-node-insertion + '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' + + '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' + + '.' + CSS_RENDER_MONITOR + '{' + + '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' + + 'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' + + '}' + ); + }, + + acquireContext: function(item, config) { + if (typeof item === 'string') { + item = document.getElementById(item); + } else if (item.length) { + // Support for array based queries (such as jQuery) + item = item[0]; + } + + if (item && item.canvas) { + // Support for any object associated to a canvas (including a context2d) + item = item.canvas; + } + + // To prevent canvas fingerprinting, some add-ons undefine the getContext + // method, for example: https://github.com/kkapsner/CanvasBlocker + // https://github.com/chartjs/Chart.js/issues/2807 + var context = item && item.getContext && item.getContext('2d'); + + // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is + // inside an iframe or when running in a protected environment. We could guess the + // types from their toString() value but let's keep things flexible and assume it's + // a sufficient condition if the item has a context2D which has item as `canvas`. + // https://github.com/chartjs/Chart.js/issues/3887 + // https://github.com/chartjs/Chart.js/issues/4102 + // https://github.com/chartjs/Chart.js/issues/4152 + if (context && context.canvas === item) { + initCanvas(item, config); + return context; + } + + return null; + }, + + releaseContext: function(context) { + var canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return; + } + + var initial = canvas[EXPANDO_KEY].initial; + ['height', 'width'].forEach(function(prop) { + var value = initial[prop]; + if (helpers.isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + + helpers.each(initial.style || {}, function(value, key) { + canvas.style[key] = value; + }); + + // The canvas render size might have been changed (and thus the state stack discarded), + // we can't use save() and restore() to restore the initial state. So make sure that at + // least the canvas context is reset to the default state by setting the canvas width. + // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html + canvas.width = canvas.width; + + delete canvas[EXPANDO_KEY]; + }, + + addEventListener: function(chart, type, listener) { + var canvas = chart.canvas; + if (type === 'resize') { + // Note: the resize event is not supported on all browsers. + addResizeListener(canvas, listener, chart); + return; + } + + var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); + var proxies = expando.proxies || (expando.proxies = {}); + var proxy = proxies[chart.id + '_' + type] = function(event) { + listener(fromNativeEvent(event, chart)); + }; + + addEventListener(canvas, type, proxy); + }, + + removeEventListener: function(chart, type, listener) { + var canvas = chart.canvas; + if (type === 'resize') { + // Note: the resize event is not supported on all browsers. + removeResizeListener(canvas, listener); + return; + } + + var expando = listener[EXPANDO_KEY] || {}; + var proxies = expando.proxies || {}; + var proxy = proxies[chart.id + '_' + type]; + if (!proxy) { + return; + } + + removeEventListener(canvas, type, proxy); + } +}; + +// DEPRECATIONS + +/** + * Provided for backward compatibility, use EventTarget.addEventListener instead. + * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ + * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener + * @function Chart.helpers.addEvent + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.addEvent = addEventListener; + +/** + * Provided for backward compatibility, use EventTarget.removeEventListener instead. + * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ + * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener + * @function Chart.helpers.removeEvent + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ +helpers.removeEvent = removeEventListener; + +},{"46":46}],49:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); +var basic = require(47); +var dom = require(48); + +// @TODO Make possible to select another platform at build time. +var implementation = dom._enabled ? dom : basic; + +/** + * @namespace Chart.platform + * @see https://chartjs.gitbooks.io/proposals/content/Platform.html + * @since 2.4.0 + */ +module.exports = helpers.extend({ + /** + * @since 2.7.0 + */ + initialize: function() {}, + + /** + * Called at chart construction time, returns a context2d instance implementing + * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. + * @param {*} item - The native item from which to acquire context (platform specific) + * @param {Object} options - The chart options + * @returns {CanvasRenderingContext2D} context2d instance + */ + acquireContext: function() {}, + + /** + * Called at chart destruction time, releases any resources associated to the context + * previously returned by the acquireContext() method. + * @param {CanvasRenderingContext2D} context - The context2d instance + * @returns {Boolean} true if the method succeeded, else false + */ + releaseContext: function() {}, + + /** + * Registers the specified listener on the given chart. + * @param {Chart} chart - Chart from which to listen for event + * @param {String} type - The ({@link IEvent}) type to listen for + * @param {Function} listener - Receives a notification (an object that implements + * the {@link IEvent} interface) when an event of the specified type occurs. + */ + addEventListener: function() {}, + + /** + * Removes the specified listener previously registered with addEventListener. + * @param {Chart} chart -Chart from which to remove the listener + * @param {String} type - The ({@link IEvent}) type to remove + * @param {Function} listener - The listener function to remove from the event target. + */ + removeEventListener: function() {} + +}, implementation); + +/** + * @interface IPlatform + * Allows abstracting platform dependencies away from the chart + * @borrows Chart.platform.acquireContext as acquireContext + * @borrows Chart.platform.releaseContext as releaseContext + * @borrows Chart.platform.addEventListener as addEventListener + * @borrows Chart.platform.removeEventListener as removeEventListener + */ + +/** + * @interface IEvent + * @prop {String} type - The event type name, possible values are: + * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout', + * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize' + * @prop {*} native - The original native event (null for emulated events, e.g. 'resize') + * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events) + * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events) + */ + +},{"46":46,"47":47,"48":48}],50:[function(require,module,exports){ +'use strict'; + +module.exports = {}; +module.exports.filler = require(51); +module.exports.legend = require(52); +module.exports.title = require(53); + +},{"51":51,"52":52,"53":53}],51:[function(require,module,exports){ +/** + * Plugin based on discussion from the following Chart.js issues: + * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569 + * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897 + */ + +'use strict'; + +var defaults = require(26); +var elements = require(41); +var helpers = require(46); + +defaults._set('global', { + plugins: { + filler: { + propagate: true + } + } +}); + +var mappers = { + dataset: function(source) { + var index = source.fill; + var chart = source.chart; + var meta = chart.getDatasetMeta(index); + var visible = meta && chart.isDatasetVisible(index); + var points = (visible && meta.dataset._children) || []; + var length = points.length || 0; + + return !length ? null : function(point, i) { + return (i < length && points[i]._view) || null; + }; + }, + + boundary: function(source) { + var boundary = source.boundary; + var x = boundary ? boundary.x : null; + var y = boundary ? boundary.y : null; + + return function(point) { + return { + x: x === null ? point.x : x, + y: y === null ? point.y : y, + }; + }; + } +}; + +// @todo if (fill[0] === '#') +function decodeFill(el, index, count) { + var model = el._model || {}; + var fill = model.fill; + var target; + + if (fill === undefined) { + fill = !!model.backgroundColor; + } + + if (fill === false || fill === null) { + return false; + } + + if (fill === true) { + return 'origin'; + } + + target = parseFloat(fill, 10); + if (isFinite(target) && Math.floor(target) === target) { + if (fill[0] === '-' || fill[0] === '+') { + target = index + target; + } + + if (target === index || target < 0 || target >= count) { + return false; + } + + return target; + } + + switch (fill) { + // compatibility + case 'bottom': + return 'start'; + case 'top': + return 'end'; + case 'zero': + return 'origin'; + // supported boundaries + case 'origin': + case 'start': + case 'end': + return fill; + // invalid fill values + default: + return false; + } +} + +function computeBoundary(source) { + var model = source.el._model || {}; + var scale = source.el._scale || {}; + var fill = source.fill; + var target = null; + var horizontal; + + if (isFinite(fill)) { + return null; + } + + // Backward compatibility: until v3, we still need to support boundary values set on + // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and + // controllers might still use it (e.g. the Smith chart). + + if (fill === 'start') { + target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; + } else if (fill === 'end') { + target = model.scaleTop === undefined ? scale.top : model.scaleTop; + } else if (model.scaleZero !== undefined) { + target = model.scaleZero; + } else if (scale.getBasePosition) { + target = scale.getBasePosition(); + } else if (scale.getBasePixel) { + target = scale.getBasePixel(); + } + + if (target !== undefined && target !== null) { + if (target.x !== undefined && target.y !== undefined) { + return target; + } + + if (typeof target === 'number' && isFinite(target)) { + horizontal = scale.isHorizontal(); + return { + x: horizontal ? target : null, + y: horizontal ? null : target + }; + } + } + + return null; +} + +function resolveTarget(sources, index, propagate) { + var source = sources[index]; + var fill = source.fill; + var visited = [index]; + var target; + + if (!propagate) { + return fill; + } + + while (fill !== false && visited.indexOf(fill) === -1) { + if (!isFinite(fill)) { + return fill; + } + + target = sources[fill]; + if (!target) { + return false; + } + + if (target.visible) { + return fill; + } + + visited.push(fill); + fill = target.fill; + } + + return false; +} + +function createMapper(source) { + var fill = source.fill; + var type = 'dataset'; + + if (fill === false) { + return null; + } + + if (!isFinite(fill)) { + type = 'boundary'; + } + + return mappers[type](source); +} + +function isDrawable(point) { + return point && !point.skip; +} + +function drawArea(ctx, curve0, curve1, len0, len1) { + var i; + + if (!len0 || !len1) { + return; + } + + // building first area curve (normal) + ctx.moveTo(curve0[0].x, curve0[0].y); + for (i = 1; i < len0; ++i) { + helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); + } + + // joining the two area curves + ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); + + // building opposite area curve (reverse) + for (i = len1 - 1; i > 0; --i) { + helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); + } +} + +function doFill(ctx, points, mapper, view, color, loop) { + var count = points.length; + var span = view.spanGaps; + var curve0 = []; + var curve1 = []; + var len0 = 0; + var len1 = 0; + var i, ilen, index, p0, p1, d0, d1; + + ctx.beginPath(); + + for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { + index = i % count; + p0 = points[index]._view; + p1 = mapper(p0, index, view); + d0 = isDrawable(p0); + d1 = isDrawable(p1); + + if (d0 && d1) { + len0 = curve0.push(p0); + len1 = curve1.push(p1); + } else if (len0 && len1) { + if (!span) { + drawArea(ctx, curve0, curve1, len0, len1); + len0 = len1 = 0; + curve0 = []; + curve1 = []; + } else { + if (d0) { + curve0.push(p0); + } + if (d1) { + curve1.push(p1); + } + } + } + } + + drawArea(ctx, curve0, curve1, len0, len1); + + ctx.closePath(); + ctx.fillStyle = color; + ctx.fill(); +} + +module.exports = { + id: 'filler', + + afterDatasetsUpdate: function(chart, options) { + var count = (chart.data.datasets || []).length; + var propagate = options.propagate; + var sources = []; + var meta, i, el, source; + + for (i = 0; i < count; ++i) { + meta = chart.getDatasetMeta(i); + el = meta.dataset; + source = null; + + if (el && el._model && el instanceof elements.Line) { + source = { + visible: chart.isDatasetVisible(i), + fill: decodeFill(el, i, count), + chart: chart, + el: el + }; + } + + meta.$filler = source; + sources.push(source); + } + + for (i = 0; i < count; ++i) { + source = sources[i]; + if (!source) { + continue; + } + + source.fill = resolveTarget(sources, i, propagate); + source.boundary = computeBoundary(source); + source.mapper = createMapper(source); + } + }, + + beforeDatasetDraw: function(chart, args) { + var meta = args.meta.$filler; + if (!meta) { + return; + } + + var ctx = chart.ctx; + var el = meta.el; + var view = el._view; + var points = el._children || []; + var mapper = meta.mapper; + var color = view.backgroundColor || defaults.global.defaultColor; + + if (mapper && color && points.length) { + helpers.canvas.clipArea(ctx, chart.chartArea); + doFill(ctx, points, mapper, view, color, el._loop); + helpers.canvas.unclipArea(ctx); + } + } +}; + +},{"26":26,"41":41,"46":46}],52:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); +var layouts = require(31); + +var noop = helpers.noop; + +defaults._set('global', { + legend: { + display: true, + position: 'top', + fullWidth: true, + reverse: false, + weight: 1000, + + // a callback that will handle + onClick: function(e, legendItem) { + var index = legendItem.datasetIndex; + var ci = this.chart; + var meta = ci.getDatasetMeta(index); + + // See controller.isDatasetVisible comment + meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; + + // We hid a dataset ... rerender the chart + ci.update(); + }, + + onHover: null, + + labels: { + boxWidth: 40, + padding: 10, + // Generates labels shown in the legend + // Valid properties to return: + // text : text to display + // fillStyle : fill of coloured box + // strokeStyle: stroke of coloured box + // hidden : if this legend item refers to a hidden item + // lineCap : cap style for line + // lineDash + // lineDashOffset : + // lineJoin : + // lineWidth : + generateLabels: function(chart) { + var data = chart.data; + return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { + return { + text: dataset.label, + fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), + hidden: !chart.isDatasetVisible(i), + lineCap: dataset.borderCapStyle, + lineDash: dataset.borderDash, + lineDashOffset: dataset.borderDashOffset, + lineJoin: dataset.borderJoinStyle, + lineWidth: dataset.borderWidth, + strokeStyle: dataset.borderColor, + pointStyle: dataset.pointStyle, + + // Below is extra data used for toggling the datasets + datasetIndex: i + }; + }, this) : []; + } + } + }, + + legendCallback: function(chart) { + var text = []; + text.push('
    '); + for (var i = 0; i < chart.data.datasets.length; i++) { + text.push('
  • '); + if (chart.data.datasets[i].label) { + text.push(chart.data.datasets[i].label); + } + text.push('
    • '); + } + text.push('
'); + return text.join(''); + } +}); + +/** + * Helper function to get the box width based on the usePointStyle option + * @param labelopts {Object} the label options on the legend + * @param fontSize {Number} the label font size + * @return {Number} width of the color box area + */ +function getBoxWidth(labelOpts, fontSize) { + return labelOpts.usePointStyle ? + fontSize * Math.SQRT2 : + labelOpts.boxWidth; +} + +/** + * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! + */ +var Legend = Element.extend({ + + initialize: function(config) { + helpers.extend(this, config); + + // Contains hit boxes for each dataset (in dataset order) + this.legendHitBoxes = []; + + // Are we in doughnut mode which has a different data type + this.doughnutMode = false; + }, + + // These methods are ordered by lifecycle. Utilities then follow. + // Any function defined here is inherited by all legend types. + // Any function can be extended by the legend type + + beforeUpdate: noop, + update: function(maxWidth, maxHeight, margins) { + var me = this; + + // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) + me.beforeUpdate(); + + // Absorb the master measurements + me.maxWidth = maxWidth; + me.maxHeight = maxHeight; + me.margins = margins; + + // Dimensions + me.beforeSetDimensions(); + me.setDimensions(); + me.afterSetDimensions(); + // Labels + me.beforeBuildLabels(); + me.buildLabels(); + me.afterBuildLabels(); + + // Fit + me.beforeFit(); + me.fit(); + me.afterFit(); + // + me.afterUpdate(); + + return me.minSize; + }, + afterUpdate: noop, + + // + + beforeSetDimensions: noop, + setDimensions: function() { + var me = this; + // Set the unconstrained dimension before label rotation + if (me.isHorizontal()) { + // Reset position before calculating rotation + me.width = me.maxWidth; + me.left = 0; + me.right = me.width; + } else { + me.height = me.maxHeight; + + // Reset position before calculating rotation + me.top = 0; + me.bottom = me.height; + } + + // Reset padding + me.paddingLeft = 0; + me.paddingTop = 0; + me.paddingRight = 0; + me.paddingBottom = 0; + + // Reset minSize + me.minSize = { + width: 0, + height: 0 + }; + }, + afterSetDimensions: noop, + + // + + beforeBuildLabels: noop, + buildLabels: function() { + var me = this; + var labelOpts = me.options.labels || {}; + var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || []; + + if (labelOpts.filter) { + legendItems = legendItems.filter(function(item) { + return labelOpts.filter(item, me.chart.data); + }); + } + + if (me.options.reverse) { + legendItems.reverse(); + } + + me.legendItems = legendItems; + }, + afterBuildLabels: noop, + + // + + beforeFit: noop, + fit: function() { + var me = this; + var opts = me.options; + var labelOpts = opts.labels; + var display = opts.display; + + var ctx = me.ctx; + + var globalDefault = defaults.global; + var valueOrDefault = helpers.valueOrDefault; + var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize); + var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle); + var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily); + var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); + + // Reset hit boxes + var hitboxes = me.legendHitBoxes = []; + + var minSize = me.minSize; + var isHorizontal = me.isHorizontal(); + + if (isHorizontal) { + minSize.width = me.maxWidth; // fill all the width + minSize.height = display ? 10 : 0; + } else { + minSize.width = display ? 10 : 0; + minSize.height = me.maxHeight; // fill all the height + } + + // Increase sizes here + if (display) { + ctx.font = labelFont; + + if (isHorizontal) { + // Labels + + // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one + var lineWidths = me.lineWidths = [0]; + var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0; + + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; + + helpers.each(me.legendItems, function(legendItem, i) { + var boxWidth = getBoxWidth(labelOpts, fontSize); + var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + + if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) { + totalHeight += fontSize + (labelOpts.padding); + lineWidths[lineWidths.length] = me.left; + } + + // Store the hitbox width and height here. Final position will be updated in `draw` + hitboxes[i] = { + left: 0, + top: 0, + width: width, + height: fontSize + }; + + lineWidths[lineWidths.length - 1] += width + labelOpts.padding; + }); + + minSize.height += totalHeight; + + } else { + var vPadding = labelOpts.padding; + var columnWidths = me.columnWidths = []; + var totalWidth = labelOpts.padding; + var currentColWidth = 0; + var currentColHeight = 0; + var itemHeight = fontSize + vPadding; + + helpers.each(me.legendItems, function(legendItem, i) { + var boxWidth = getBoxWidth(labelOpts, fontSize); + var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + + // If too tall, go to new column + if (currentColHeight + itemHeight > minSize.height) { + totalWidth += currentColWidth + labelOpts.padding; + columnWidths.push(currentColWidth); // previous column width + + currentColWidth = 0; + currentColHeight = 0; + } + + // Get max width + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight; + + // Store the hitbox width and height here. Final position will be updated in `draw` + hitboxes[i] = { + left: 0, + top: 0, + width: itemWidth, + height: fontSize + }; + }); + + totalWidth += currentColWidth; + columnWidths.push(currentColWidth); + minSize.width += totalWidth; + } + } + + me.width = minSize.width; + me.height = minSize.height; + }, + afterFit: noop, + + // Shared Methods + isHorizontal: function() { + return this.options.position === 'top' || this.options.position === 'bottom'; + }, + + // Actually draw the legend on the canvas + draw: function() { + var me = this; + var opts = me.options; + var labelOpts = opts.labels; + var globalDefault = defaults.global; + var lineDefault = globalDefault.elements.line; + var legendWidth = me.width; + var lineWidths = me.lineWidths; + + if (opts.display) { + var ctx = me.ctx; + var valueOrDefault = helpers.valueOrDefault; + var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor); + var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize); + var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle); + var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily); + var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); + var cursor; + + // Canvas setup + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + ctx.lineWidth = 0.5; + ctx.strokeStyle = fontColor; // for strikethrough effect + ctx.fillStyle = fontColor; // render in correct colour + ctx.font = labelFont; + + var boxWidth = getBoxWidth(labelOpts, fontSize); + var hitboxes = me.legendHitBoxes; + + // current position + var drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0) { + return; + } + + // Set the ctx for the box + ctx.save(); + + ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor); + ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle); + ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset); + ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle); + ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth); + ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor); + var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0); + + if (ctx.setLineDash) { + // IE 9 and 10 do not support line dash + ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash)); + } + + if (opts.labels && opts.labels.usePointStyle) { + // Recalculate x and y for drawPoint() because its expecting + // x and y to be center of figure (instead of top left) + var radius = fontSize * Math.SQRT2 / 2; + var offSet = radius / Math.SQRT2; + var centerX = x + offSet; + var centerY = y + offSet; + + // Draw pointStyle as legend symbol + helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); + } else { + // Draw box as legend symbol + if (!isLineWidthZero) { + ctx.strokeRect(x, y, boxWidth, fontSize); + } + ctx.fillRect(x, y, boxWidth, fontSize); + } + + ctx.restore(); + }; + var fillText = function(x, y, legendItem, textWidth) { + var halfFontSize = fontSize / 2; + var xLeft = boxWidth + halfFontSize + x; + var yMiddle = y + halfFontSize; + + ctx.fillText(legendItem.text, xLeft, yMiddle); + + if (legendItem.hidden) { + // Strikethrough the text if hidden + ctx.beginPath(); + ctx.lineWidth = 2; + ctx.moveTo(xLeft, yMiddle); + ctx.lineTo(xLeft + textWidth, yMiddle); + ctx.stroke(); + } + }; + + // Horizontal + var isHorizontal = me.isHorizontal(); + if (isHorizontal) { + cursor = { + x: me.left + ((legendWidth - lineWidths[0]) / 2), + y: me.top + labelOpts.padding, + line: 0 + }; + } else { + cursor = { + x: me.left + labelOpts.padding, + y: me.top + labelOpts.padding, + line: 0 + }; + } + + var itemHeight = fontSize + labelOpts.padding; + helpers.each(me.legendItems, function(legendItem, i) { + var textWidth = ctx.measureText(legendItem.text).width; + var width = boxWidth + (fontSize / 2) + textWidth; + var x = cursor.x; + var y = cursor.y; + + if (isHorizontal) { + if (x + width >= legendWidth) { + y = cursor.y += itemHeight; + cursor.line++; + x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2); + } + } else if (y + itemHeight > me.bottom) { + x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; + y = cursor.y = me.top + labelOpts.padding; + cursor.line++; + } + + drawLegendBox(x, y, legendItem); + + hitboxes[i].left = x; + hitboxes[i].top = y; + + // Fill the actual label + fillText(x, y, legendItem, textWidth); + + if (isHorizontal) { + cursor.x += width + (labelOpts.padding); + } else { + cursor.y += itemHeight; + } + + }); + } + }, + + /** + * Handle an event + * @private + * @param {IEvent} event - The event to handle + * @return {Boolean} true if a change occured + */ + handleEvent: function(e) { + var me = this; + var opts = me.options; + var type = e.type === 'mouseup' ? 'click' : e.type; + var changed = false; + + if (type === 'mousemove') { + if (!opts.onHover) { + return; + } + } else if (type === 'click') { + if (!opts.onClick) { + return; + } + } else { + return; + } + + // Chart event already has relative position in it + var x = e.x; + var y = e.y; + + if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { + // See if we are touching one of the dataset boxes + var lh = me.legendHitBoxes; + for (var i = 0; i < lh.length; ++i) { + var hitBox = lh[i]; + + if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { + // Touching an element + if (type === 'click') { + // use e.native for backwards compatibility + opts.onClick.call(me, e.native, me.legendItems[i]); + changed = true; + break; + } else if (type === 'mousemove') { + // use e.native for backwards compatibility + opts.onHover.call(me, e.native, me.legendItems[i]); + changed = true; + break; + } + } + } + } + + return changed; + } +}); + +function createNewLegendAndAttach(chart, legendOpts) { + var legend = new Legend({ + ctx: chart.ctx, + options: legendOpts, + chart: chart + }); + + layouts.configure(chart, legend, legendOpts); + layouts.addBox(chart, legend); + chart.legend = legend; +} + +module.exports = { + id: 'legend', + + /** + * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making + * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of + * the plugin, which one will be re-exposed in the chart.js file. + * https://github.com/chartjs/Chart.js/pull/2640 + * @private + */ + _element: Legend, + + beforeInit: function(chart) { + var legendOpts = chart.options.legend; + + if (legendOpts) { + createNewLegendAndAttach(chart, legendOpts); + } + }, + + beforeUpdate: function(chart) { + var legendOpts = chart.options.legend; + var legend = chart.legend; + + if (legendOpts) { + helpers.mergeIf(legendOpts, defaults.global.legend); + + if (legend) { + layouts.configure(chart, legend, legendOpts); + legend.options = legendOpts; + } else { + createNewLegendAndAttach(chart, legendOpts); + } + } else if (legend) { + layouts.removeBox(chart, legend); + delete chart.legend; + } + }, + + afterEvent: function(chart, e) { + var legend = chart.legend; + if (legend) { + legend.handleEvent(e); + } + } +}; + +},{"26":26,"27":27,"31":31,"46":46}],53:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var Element = require(27); +var helpers = require(46); +var layouts = require(31); + +var noop = helpers.noop; + +defaults._set('global', { + title: { + display: false, + fontStyle: 'bold', + fullWidth: true, + lineHeight: 1.2, + padding: 10, + position: 'top', + text: '', + weight: 2000 // by default greater than legend (1000) to be above + } +}); + +/** + * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! + */ +var Title = Element.extend({ + initialize: function(config) { + var me = this; + helpers.extend(me, config); + + // Contains hit boxes for each dataset (in dataset order) + me.legendHitBoxes = []; + }, + + // These methods are ordered by lifecycle. Utilities then follow. + + beforeUpdate: noop, + update: function(maxWidth, maxHeight, margins) { + var me = this; + + // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) + me.beforeUpdate(); + + // Absorb the master measurements + me.maxWidth = maxWidth; + me.maxHeight = maxHeight; + me.margins = margins; + + // Dimensions + me.beforeSetDimensions(); + me.setDimensions(); + me.afterSetDimensions(); + // Labels + me.beforeBuildLabels(); + me.buildLabels(); + me.afterBuildLabels(); + + // Fit + me.beforeFit(); + me.fit(); + me.afterFit(); + // + me.afterUpdate(); + + return me.minSize; + + }, + afterUpdate: noop, + + // + + beforeSetDimensions: noop, + setDimensions: function() { + var me = this; + // Set the unconstrained dimension before label rotation + if (me.isHorizontal()) { + // Reset position before calculating rotation + me.width = me.maxWidth; + me.left = 0; + me.right = me.width; + } else { + me.height = me.maxHeight; + + // Reset position before calculating rotation + me.top = 0; + me.bottom = me.height; + } + + // Reset padding + me.paddingLeft = 0; + me.paddingTop = 0; + me.paddingRight = 0; + me.paddingBottom = 0; + + // Reset minSize + me.minSize = { + width: 0, + height: 0 + }; + }, + afterSetDimensions: noop, + + // + + beforeBuildLabels: noop, + buildLabels: noop, + afterBuildLabels: noop, + + // + + beforeFit: noop, + fit: function() { + var me = this; + var valueOrDefault = helpers.valueOrDefault; + var opts = me.options; + var display = opts.display; + var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize); + var minSize = me.minSize; + var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1; + var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize); + var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0; + + if (me.isHorizontal()) { + minSize.width = me.maxWidth; // fill all the width + minSize.height = textSize; + } else { + minSize.width = textSize; + minSize.height = me.maxHeight; // fill all the height + } + + me.width = minSize.width; + me.height = minSize.height; + + }, + afterFit: noop, + + // Shared Methods + isHorizontal: function() { + var pos = this.options.position; + return pos === 'top' || pos === 'bottom'; + }, + + // Actually draw the title block on the canvas + draw: function() { + var me = this; + var ctx = me.ctx; + var valueOrDefault = helpers.valueOrDefault; + var opts = me.options; + var globalDefaults = defaults.global; + + if (opts.display) { + var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize); + var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle); + var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily); + var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily); + var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize); + var offset = lineHeight / 2 + opts.padding; + var rotation = 0; + var top = me.top; + var left = me.left; + var bottom = me.bottom; + var right = me.right; + var maxWidth, titleX, titleY; + + ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour + ctx.font = titleFont; + + // Horizontal + if (me.isHorizontal()) { + titleX = left + ((right - left) / 2); // midpoint of the width + titleY = top + offset; + maxWidth = right - left; + } else { + titleX = opts.position === 'left' ? left + offset : right - offset; + titleY = top + ((bottom - top) / 2); + maxWidth = bottom - top; + rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); + } + + ctx.save(); + ctx.translate(titleX, titleY); + ctx.rotate(rotation); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + + var text = opts.text; + if (helpers.isArray(text)) { + var y = 0; + for (var i = 0; i < text.length; ++i) { + ctx.fillText(text[i], 0, y, maxWidth); + y += lineHeight; + } + } else { + ctx.fillText(text, 0, 0, maxWidth); + } + + ctx.restore(); + } + } +}); + +function createNewTitleBlockAndAttach(chart, titleOpts) { + var title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart: chart + }); + + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; +} + +module.exports = { + id: 'title', + + /** + * Backward compatibility: since 2.1.5, the title is registered as a plugin, making + * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of + * the plugin, which one will be re-exposed in the chart.js file. + * https://github.com/chartjs/Chart.js/pull/2640 + * @private + */ + _element: Title, + + beforeInit: function(chart) { + var titleOpts = chart.options.title; + + if (titleOpts) { + createNewTitleBlockAndAttach(chart, titleOpts); + } + }, + + beforeUpdate: function(chart) { + var titleOpts = chart.options.title; + var titleBlock = chart.titleBlock; + + if (titleOpts) { + helpers.mergeIf(titleOpts, defaults.global.title); + + if (titleBlock) { + layouts.configure(chart, titleBlock, titleOpts); + titleBlock.options = titleOpts; + } else { + createNewTitleBlockAndAttach(chart, titleOpts); + } + } else if (titleBlock) { + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + } + } +}; + +},{"26":26,"27":27,"31":31,"46":46}],54:[function(require,module,exports){ +'use strict'; + +var Scale = require(33); +var scaleService = require(34); + +module.exports = function() { + + // Default config for a category scale + var defaultConfig = { + position: 'bottom' + }; + + var DatasetScale = Scale.extend({ + /** + * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those + * else fall back to data.labels + * @private + */ + getLabels: function() { + var data = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; + }, + + determineDataLimits: function() { + var me = this; + var labels = me.getLabels(); + me.minIndex = 0; + me.maxIndex = labels.length - 1; + var findIndex; + + if (me.options.ticks.min !== undefined) { + // user specified min value + findIndex = labels.indexOf(me.options.ticks.min); + me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; + } + + if (me.options.ticks.max !== undefined) { + // user specified max value + findIndex = labels.indexOf(me.options.ticks.max); + me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; + } + + me.min = labels[me.minIndex]; + me.max = labels[me.maxIndex]; + }, + + buildTicks: function() { + var me = this; + var labels = me.getLabels(); + // If we are viewing some subset of labels, slice the original array + me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); + }, + + getLabelForIndex: function(index, datasetIndex) { + var me = this; + var data = me.chart.data; + var isHorizontal = me.isHorizontal(); + + if (data.yLabels && !isHorizontal) { + return me.getRightValue(data.datasets[datasetIndex].data[index]); + } + return me.ticks[index - me.minIndex]; + }, + + // Used to get data value locations. Value can either be an index or a numerical value + getPixelForValue: function(value, index) { + var me = this; + var offset = me.options.offset; + // 1 is added because we need the length but we have the indexes + var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); + + // If value is a data object, then index is the index in the data array, + // not the index of the scale. We need to change that. + var valueCategory; + if (value !== undefined && value !== null) { + valueCategory = me.isHorizontal() ? value.x : value.y; + } + if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { + var labels = me.getLabels(); + value = valueCategory || value; + var idx = labels.indexOf(value); + index = idx !== -1 ? idx : index; + } + + if (me.isHorizontal()) { + var valueWidth = me.width / offsetAmt; + var widthOffset = (valueWidth * (index - me.minIndex)); + + if (offset) { + widthOffset += (valueWidth / 2); + } + + return me.left + Math.round(widthOffset); + } + var valueHeight = me.height / offsetAmt; + var heightOffset = (valueHeight * (index - me.minIndex)); + + if (offset) { + heightOffset += (valueHeight / 2); + } + + return me.top + Math.round(heightOffset); + }, + getPixelForTick: function(index) { + return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); + }, + getValueForPixel: function(pixel) { + var me = this; + var offset = me.options.offset; + var value; + var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); + var horz = me.isHorizontal(); + var valueDimension = (horz ? me.width : me.height) / offsetAmt; + + pixel -= horz ? me.left : me.top; + + if (offset) { + pixel -= (valueDimension / 2); + } + + if (pixel <= 0) { + value = 0; + } else { + value = Math.round(pixel / valueDimension); + } + + return value + me.minIndex; + }, + getBasePixel: function() { + return this.bottom; + } + }); + + scaleService.registerScaleType('category', DatasetScale, defaultConfig); +}; + +},{"33":33,"34":34}],55:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var helpers = require(46); +var scaleService = require(34); +var Ticks = require(35); + +module.exports = function(Chart) { + + var defaultConfig = { + position: 'left', + ticks: { + callback: Ticks.formatters.linear + } + }; + + var LinearScale = Chart.LinearScaleBase.extend({ + + determineDataLimits: function() { + var me = this; + var opts = me.options; + var chart = me.chart; + var data = chart.data; + var datasets = data.datasets; + var isHorizontal = me.isHorizontal(); + var DEFAULT_MIN = 0; + var DEFAULT_MAX = 1; + + function IDMatches(meta) { + return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; + } + + // First Calculate the range + me.min = null; + me.max = null; + + var hasStacks = opts.stacked; + if (hasStacks === undefined) { + helpers.each(datasets, function(dataset, datasetIndex) { + if (hasStacks) { + return; + } + + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && + meta.stack !== undefined) { + hasStacks = true; + } + }); + } + + if (opts.stacked || hasStacks) { + var valuesPerStack = {}; + + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + var key = [ + meta.type, + // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined + ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), + meta.stack + ].join('.'); + + if (valuesPerStack[key] === undefined) { + valuesPerStack[key] = { + positiveValues: [], + negativeValues: [] + }; + } + + // Store these per type + var positiveValues = valuesPerStack[key].positiveValues; + var negativeValues = valuesPerStack[key].negativeValues; + + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + positiveValues[index] = positiveValues[index] || 0; + negativeValues[index] = negativeValues[index] || 0; + + if (opts.relativePoints) { + positiveValues[index] = 100; + } else if (value < 0) { + negativeValues[index] += value; + } else { + positiveValues[index] += value; + } + }); + } + }); + + helpers.each(valuesPerStack, function(valuesForType) { + var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); + var minVal = helpers.min(values); + var maxVal = helpers.max(values); + me.min = me.min === null ? minVal : Math.min(me.min, minVal); + me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); + }); + + } else { + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + if (me.min === null) { + me.min = value; + } else if (value < me.min) { + me.min = value; + } + + if (me.max === null) { + me.max = value; + } else if (value > me.max) { + me.max = value; + } + }); + } + }); + } + + me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; + me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; + + // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero + this.handleTickRangeOptions(); + }, + getTickLimit: function() { + var maxTicks; + var me = this; + var tickOpts = me.options.ticks; + + if (me.isHorizontal()) { + maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50)); + } else { + // The factor of 2 used to scale the font size has been experimentally determined. + var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize); + maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize))); + } + + return maxTicks; + }, + // Called after the ticks are built. We need + handleDirectionalChanges: function() { + if (!this.isHorizontal()) { + // We are in a vertical orientation. The top value is the highest. So reverse the array + this.ticks.reverse(); + } + }, + getLabelForIndex: function(index, datasetIndex) { + return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); + }, + // Utils + getPixelForValue: function(value) { + // This must be called after fit has been run so that + // this.left, this.top, this.right, and this.bottom have been defined + var me = this; + var start = me.start; + + var rightValue = +me.getRightValue(value); + var pixel; + var range = me.end - start; + + if (me.isHorizontal()) { + pixel = me.left + (me.width / range * (rightValue - start)); + } else { + pixel = me.bottom - (me.height / range * (rightValue - start)); + } + return pixel; + }, + getValueForPixel: function(pixel) { + var me = this; + var isHorizontal = me.isHorizontal(); + var innerDimension = isHorizontal ? me.width : me.height; + var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; + return me.start + ((me.end - me.start) * offset); + }, + getPixelForTick: function(index) { + return this.getPixelForValue(this.ticksAsNumbers[index]); + } + }); + + scaleService.registerScaleType('linear', LinearScale, defaultConfig); +}; + +},{"26":26,"34":34,"35":35,"46":46}],56:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); +var Scale = require(33); + +/** + * Generate a set of linear ticks + * @param generationOptions the options used to generate the ticks + * @param dataRange the range of the data + * @returns {Array} array of tick values + */ +function generateTicks(generationOptions, dataRange) { + var ticks = []; + // To get a "nice" value for the tick spacing, we will use the appropriately named + // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks + // for details. + + var factor; + var precision; + var spacing; + + if (generationOptions.stepSize && generationOptions.stepSize > 0) { + spacing = generationOptions.stepSize; + } else { + var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false); + spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true); + + precision = generationOptions.precision; + if (precision !== undefined) { + // If the user specified a precision, round to that number of decimal places + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + } + var niceMin = Math.floor(dataRange.min / spacing) * spacing; + var niceMax = Math.ceil(dataRange.max / spacing) * spacing; + + // If min, max and stepSize is set and they make an evenly spaced scale use it. + if (!helpers.isNullOrUndef(generationOptions.min) && !helpers.isNullOrUndef(generationOptions.max) && generationOptions.stepSize) { + // If very close to our whole number, use it. + if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) { + niceMin = generationOptions.min; + niceMax = generationOptions.max; + } + } + + var numSpaces = (niceMax - niceMin) / spacing; + // If very close to our rounded value, use it. + if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } + + precision = 1; + if (spacing < 1) { + precision = Math.pow(10, 1 - Math.floor(helpers.log10(spacing))); + niceMin = Math.round(niceMin * precision) / precision; + niceMax = Math.round(niceMax * precision) / precision; + } + ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin); + for (var j = 1; j < numSpaces; ++j) { + ticks.push(Math.round((niceMin + j * spacing) * precision) / precision); + } + ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax); + + return ticks; +} + +module.exports = function(Chart) { + + var noop = helpers.noop; + + Chart.LinearScaleBase = Scale.extend({ + getRightValue: function(value) { + if (typeof value === 'string') { + return +value; + } + return Scale.prototype.getRightValue.call(this, value); + }, + + handleTickRangeOptions: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + + // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, + // do nothing since that would make the chart weird. If the user really wants a weird chart + // axis, they can manually override it + if (tickOpts.beginAtZero) { + var minSign = helpers.sign(me.min); + var maxSign = helpers.sign(me.max); + + if (minSign < 0 && maxSign < 0) { + // move the top up to 0 + me.max = 0; + } else if (minSign > 0 && maxSign > 0) { + // move the bottom down to 0 + me.min = 0; + } + } + + var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; + var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; + + if (tickOpts.min !== undefined) { + me.min = tickOpts.min; + } else if (tickOpts.suggestedMin !== undefined) { + if (me.min === null) { + me.min = tickOpts.suggestedMin; + } else { + me.min = Math.min(me.min, tickOpts.suggestedMin); + } + } + + if (tickOpts.max !== undefined) { + me.max = tickOpts.max; + } else if (tickOpts.suggestedMax !== undefined) { + if (me.max === null) { + me.max = tickOpts.suggestedMax; + } else { + me.max = Math.max(me.max, tickOpts.suggestedMax); + } + } + + if (setMin !== setMax) { + // We set the min or the max but not both. + // So ensure that our range is good + // Inverted or 0 length range can happen when + // ticks.min is set, and no datasets are visible + if (me.min >= me.max) { + if (setMin) { + me.max = me.min + 1; + } else { + me.min = me.max - 1; + } + } + } + + if (me.min === me.max) { + me.max++; + + if (!tickOpts.beginAtZero) { + me.min--; + } + } + }, + getTickLimit: noop, + handleDirectionalChanges: noop, + + buildTicks: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + + // Figure out what the max number of ticks we can support it is based on the size of + // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 + // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on + // the graph. Make sure we always have at least 2 ticks + var maxTicks = me.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + + var numericGeneratorOptions = { + maxTicks: maxTicks, + min: tickOpts.min, + max: tickOpts.max, + precision: tickOpts.precision, + stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) + }; + var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); + + me.handleDirectionalChanges(); + + // At this point, we need to update our max and min given the tick values since we have expanded the + // range of the scale + me.max = helpers.max(ticks); + me.min = helpers.min(ticks); + + if (tickOpts.reverse) { + ticks.reverse(); + + me.start = me.max; + me.end = me.min; + } else { + me.start = me.min; + me.end = me.max; + } + }, + convertTicksToLabels: function() { + var me = this; + me.ticksAsNumbers = me.ticks.slice(); + me.zeroLineIndex = me.ticks.indexOf(0); + + Scale.prototype.convertTicksToLabels.call(me); + } + }); +}; + +},{"33":33,"46":46}],57:[function(require,module,exports){ +'use strict'; + +var helpers = require(46); +var Scale = require(33); +var scaleService = require(34); +var Ticks = require(35); + +/** + * Generate a set of logarithmic ticks + * @param generationOptions the options used to generate the ticks + * @param dataRange the range of the data + * @returns {Array} array of tick values + */ +function generateTicks(generationOptions, dataRange) { + var ticks = []; + var valueOrDefault = helpers.valueOrDefault; + + // Figure out what the max number of ticks we can support it is based on the size of + // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 + // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on + // the graph + var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min)))); + + var endExp = Math.floor(helpers.log10(dataRange.max)); + var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); + var exp, significand; + + if (tickVal === 0) { + exp = Math.floor(helpers.log10(dataRange.minNotZero)); + significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); + + ticks.push(tickVal); + tickVal = significand * Math.pow(10, exp); + } else { + exp = Math.floor(helpers.log10(tickVal)); + significand = Math.floor(tickVal / Math.pow(10, exp)); + } + var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + + do { + ticks.push(tickVal); + + ++significand; + if (significand === 10) { + significand = 1; + ++exp; + precision = exp >= 0 ? 1 : precision; + } + + tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; + } while (exp < endExp || (exp === endExp && significand < endSignificand)); + + var lastTick = valueOrDefault(generationOptions.max, tickVal); + ticks.push(lastTick); + + return ticks; +} + + +module.exports = function(Chart) { + + var defaultConfig = { + position: 'left', + + // label settings + ticks: { + callback: Ticks.formatters.logarithmic + } + }; + + var LogarithmicScale = Scale.extend({ + determineDataLimits: function() { + var me = this; + var opts = me.options; + var chart = me.chart; + var data = chart.data; + var datasets = data.datasets; + var isHorizontal = me.isHorizontal(); + function IDMatches(meta) { + return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; + } + + // Calculate Range + me.min = null; + me.max = null; + me.minNotZero = null; + + var hasStacks = opts.stacked; + if (hasStacks === undefined) { + helpers.each(datasets, function(dataset, datasetIndex) { + if (hasStacks) { + return; + } + + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && + meta.stack !== undefined) { + hasStacks = true; + } + }); + } + + if (opts.stacked || hasStacks) { + var valuesPerStack = {}; + + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + var key = [ + meta.type, + // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined + ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), + meta.stack + ].join('.'); + + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + if (valuesPerStack[key] === undefined) { + valuesPerStack[key] = []; + } + + helpers.each(dataset.data, function(rawValue, index) { + var values = valuesPerStack[key]; + var value = +me.getRightValue(rawValue); + // invalid, hidden and negative values are ignored + if (isNaN(value) || meta.data[index].hidden || value < 0) { + return; + } + values[index] = values[index] || 0; + values[index] += value; + }); + } + }); + + helpers.each(valuesPerStack, function(valuesForType) { + if (valuesForType.length > 0) { + var minVal = helpers.min(valuesForType); + var maxVal = helpers.max(valuesForType); + me.min = me.min === null ? minVal : Math.min(me.min, minVal); + me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); + } + }); + + } else { + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + // invalid, hidden and negative values are ignored + if (isNaN(value) || meta.data[index].hidden || value < 0) { + return; + } + + if (me.min === null) { + me.min = value; + } else if (value < me.min) { + me.min = value; + } + + if (me.max === null) { + me.max = value; + } else if (value > me.max) { + me.max = value; + } + + if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { + me.minNotZero = value; + } + }); + } + }); + } + + // Common base implementation to handle ticks.min, ticks.max + this.handleTickRangeOptions(); + }, + handleTickRangeOptions: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + var valueOrDefault = helpers.valueOrDefault; + var DEFAULT_MIN = 1; + var DEFAULT_MAX = 10; + + me.min = valueOrDefault(tickOpts.min, me.min); + me.max = valueOrDefault(tickOpts.max, me.max); + + if (me.min === me.max) { + if (me.min !== 0 && me.min !== null) { + me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1); + me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1); + } else { + me.min = DEFAULT_MIN; + me.max = DEFAULT_MAX; + } + } + if (me.min === null) { + me.min = Math.pow(10, Math.floor(helpers.log10(me.max)) - 1); + } + if (me.max === null) { + me.max = me.min !== 0 + ? Math.pow(10, Math.floor(helpers.log10(me.min)) + 1) + : DEFAULT_MAX; + } + if (me.minNotZero === null) { + if (me.min > 0) { + me.minNotZero = me.min; + } else if (me.max < 1) { + me.minNotZero = Math.pow(10, Math.floor(helpers.log10(me.max))); + } else { + me.minNotZero = DEFAULT_MIN; + } + } + }, + buildTicks: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + var reverse = !me.isHorizontal(); + + var generationOptions = { + min: tickOpts.min, + max: tickOpts.max + }; + var ticks = me.ticks = generateTicks(generationOptions, me); + + // At this point, we need to update our max and min given the tick values since we have expanded the + // range of the scale + me.max = helpers.max(ticks); + me.min = helpers.min(ticks); + + if (tickOpts.reverse) { + reverse = !reverse; + me.start = me.max; + me.end = me.min; + } else { + me.start = me.min; + me.end = me.max; + } + if (reverse) { + ticks.reverse(); + } + }, + convertTicksToLabels: function() { + this.tickValues = this.ticks.slice(); + + Scale.prototype.convertTicksToLabels.call(this); + }, + // Get the correct tooltip label + getLabelForIndex: function(index, datasetIndex) { + return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); + }, + getPixelForTick: function(index) { + return this.getPixelForValue(this.tickValues[index]); + }, + /** + * Returns the value of the first tick. + * @param {Number} value - The minimum not zero value. + * @return {Number} The first tick value. + * @private + */ + _getFirstTickValue: function(value) { + var exp = Math.floor(helpers.log10(value)); + var significand = Math.floor(value / Math.pow(10, exp)); + + return significand * Math.pow(10, exp); + }, + getPixelForValue: function(value) { + var me = this; + var reverse = me.options.ticks.reverse; + var log10 = helpers.log10; + var firstTickValue = me._getFirstTickValue(me.minNotZero); + var offset = 0; + var innerDimension, pixel, start, end, sign; + + value = +me.getRightValue(value); + if (reverse) { + start = me.end; + end = me.start; + sign = -1; + } else { + start = me.start; + end = me.end; + sign = 1; + } + if (me.isHorizontal()) { + innerDimension = me.width; + pixel = reverse ? me.right : me.left; + } else { + innerDimension = me.height; + sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) + pixel = reverse ? me.top : me.bottom; + } + if (value !== start) { + if (start === 0) { // include zero tick + offset = helpers.getValueOrDefault( + me.options.ticks.fontSize, + Chart.defaults.global.defaultFontSize + ); + innerDimension -= offset; + start = firstTickValue; + } + if (value !== 0) { + offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); + } + pixel += sign * offset; + } + return pixel; + }, + getValueForPixel: function(pixel) { + var me = this; + var reverse = me.options.ticks.reverse; + var log10 = helpers.log10; + var firstTickValue = me._getFirstTickValue(me.minNotZero); + var innerDimension, start, end, value; + + if (reverse) { + start = me.end; + end = me.start; + } else { + start = me.start; + end = me.end; + } + if (me.isHorizontal()) { + innerDimension = me.width; + value = reverse ? me.right - pixel : pixel - me.left; + } else { + innerDimension = me.height; + value = reverse ? pixel - me.top : me.bottom - pixel; + } + if (value !== start) { + if (start === 0) { // include zero tick + var offset = helpers.getValueOrDefault( + me.options.ticks.fontSize, + Chart.defaults.global.defaultFontSize + ); + value -= offset; + innerDimension -= offset; + start = firstTickValue; + } + value *= log10(end) - log10(start); + value /= innerDimension; + value = Math.pow(10, log10(start) + value); + } + return value; + } + }); + + scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig); +}; + +},{"33":33,"34":34,"35":35,"46":46}],58:[function(require,module,exports){ +'use strict'; + +var defaults = require(26); +var helpers = require(46); +var scaleService = require(34); +var Ticks = require(35); + +module.exports = function(Chart) { + + var globalDefaults = defaults.global; + + var defaultConfig = { + display: true, + + // Boolean - Whether to animate scaling the chart from the centre + animate: true, + position: 'chartArea', + + angleLines: { + display: true, + color: 'rgba(0, 0, 0, 0.1)', + lineWidth: 1 + }, + + gridLines: { + circular: false + }, + + // label settings + ticks: { + // Boolean - Show a backdrop to the scale label + showLabelBackdrop: true, + + // String - The colour of the label backdrop + backdropColor: 'rgba(255,255,255,0.75)', + + // Number - The backdrop padding above & below the label in pixels + backdropPaddingY: 2, + + // Number - The backdrop padding to the side of the label in pixels + backdropPaddingX: 2, + + callback: Ticks.formatters.linear + }, + + pointLabels: { + // Boolean - if true, show point labels + display: true, + + // Number - Point label font size in pixels + fontSize: 10, + + // Function - Used to convert point labels + callback: function(label) { + return label; + } + } + }; + + function getValueCount(scale) { + var opts = scale.options; + return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; + } + + function getPointLabelFontOptions(scale) { + var pointLabelOptions = scale.options.pointLabels; + var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize); + var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle); + var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily); + var font = helpers.fontString(fontSize, fontStyle, fontFamily); + + return { + size: fontSize, + style: fontStyle, + family: fontFamily, + font: font + }; + } + + function measureLabelSize(ctx, fontSize, label) { + if (helpers.isArray(label)) { + return { + w: helpers.longestText(ctx, ctx.font, label), + h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize) + }; + } + + return { + w: ctx.measureText(label).width, + h: fontSize + }; + } + + function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - (size / 2), + end: pos + (size / 2) + }; + } else if (angle < min || angle > max) { + return { + start: pos - size - 5, + end: pos + }; + } + + return { + start: pos, + end: pos + size + 5 + }; + } + + /** + * Helper function to fit a radial linear scale with point labels + */ + function fitWithPointLabels(scale) { + /* + * Right, this is really confusing and there is a lot of maths going on here + * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 + * + * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif + * + * Solution: + * + * We assume the radius of the polygon is half the size of the canvas at first + * at each index we check if the text overlaps. + * + * Where it does, we store that angle and that index. + * + * After finding the largest index and angle we calculate how much we need to remove + * from the shape radius to move the point inwards by that x. + * + * We average the left and right distances to get the maximum shape radius that can fit in the box + * along with labels. + * + * Once we have that, we can find the centre point for the chart, by taking the x text protrusion + * on each side, removing that from the size, halving it and adding the left x protrusion width. + * + * This will mean we have a shape fitted to the canvas, as large as it can be with the labels + * and position it in the most space efficient manner + * + * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif + */ + + var plFont = getPointLabelFontOptions(scale); + + // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. + // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points + var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); + var furthestLimits = { + r: scale.width, + l: 0, + t: scale.height, + b: 0 + }; + var furthestAngles = {}; + var i, textSize, pointPosition; + + scale.ctx.font = plFont.font; + scale._pointLabelSizes = []; + + var valueCount = getValueCount(scale); + for (i = 0; i < valueCount; i++) { + pointPosition = scale.getPointPosition(i, largestPossibleRadius); + textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || ''); + scale._pointLabelSizes[i] = textSize; + + // Add quarter circle to make degree 0 mean top of circle + var angleRadians = scale.getIndexAngle(i); + var angle = helpers.toDegrees(angleRadians) % 360; + var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + + if (hLimits.start < furthestLimits.l) { + furthestLimits.l = hLimits.start; + furthestAngles.l = angleRadians; + } + + if (hLimits.end > furthestLimits.r) { + furthestLimits.r = hLimits.end; + furthestAngles.r = angleRadians; + } + + if (vLimits.start < furthestLimits.t) { + furthestLimits.t = vLimits.start; + furthestAngles.t = angleRadians; + } + + if (vLimits.end > furthestLimits.b) { + furthestLimits.b = vLimits.end; + furthestAngles.b = angleRadians; + } + } + + scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles); + } + + /** + * Helper function to fit a radial linear scale with no point labels + */ + function fit(scale) { + var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); + scale.drawingArea = Math.round(largestPossibleRadius); + scale.setCenterPoint(0, 0, 0, 0); + } + + function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + + return 'right'; + } + + function fillText(ctx, text, position, fontSize) { + if (helpers.isArray(text)) { + var y = position.y; + var spacing = 1.5 * fontSize; + + for (var i = 0; i < text.length; ++i) { + ctx.fillText(text[i], position.x, y); + y += spacing; + } + } else { + ctx.fillText(text, position.x, position.y); + } + } + + function adjustPointPositionForLabelHeight(angle, textSize, position) { + if (angle === 90 || angle === 270) { + position.y -= (textSize.h / 2); + } else if (angle > 270 || angle < 90) { + position.y -= textSize.h; + } + } + + function drawPointLabels(scale) { + var ctx = scale.ctx; + var opts = scale.options; + var angleLineOpts = opts.angleLines; + var pointLabelOpts = opts.pointLabels; + + ctx.lineWidth = angleLineOpts.lineWidth; + ctx.strokeStyle = angleLineOpts.color; + + var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); + + // Point Label Font + var plFont = getPointLabelFontOptions(scale); + + ctx.textBaseline = 'top'; + + for (var i = getValueCount(scale) - 1; i >= 0; i--) { + if (angleLineOpts.display) { + var outerPosition = scale.getPointPosition(i, outerDistance); + ctx.beginPath(); + ctx.moveTo(scale.xCenter, scale.yCenter); + ctx.lineTo(outerPosition.x, outerPosition.y); + ctx.stroke(); + ctx.closePath(); + } + + if (pointLabelOpts.display) { + // Extra 3px out for some label spacing + var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5); + + // Keep this in loop since we may support array properties here + var pointLabelFontColor = helpers.valueAtIndexOrDefault(pointLabelOpts.fontColor, i, globalDefaults.defaultFontColor); + ctx.font = plFont.font; + ctx.fillStyle = pointLabelFontColor; + + var angleRadians = scale.getIndexAngle(i); + var angle = helpers.toDegrees(angleRadians); + ctx.textAlign = getTextAlignForAngle(angle); + adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); + fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size); + } + } + } + + function drawRadiusLine(scale, gridLineOpts, radius, index) { + var ctx = scale.ctx; + ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1); + ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1); + + if (scale.options.gridLines.circular) { + // Draw circular arcs between the points + ctx.beginPath(); + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); + ctx.closePath(); + ctx.stroke(); + } else { + // Draw straight lines connecting each index + var valueCount = getValueCount(scale); + + if (valueCount === 0) { + return; + } + + ctx.beginPath(); + var pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + + for (var i = 1; i < valueCount; i++) { + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + + ctx.closePath(); + ctx.stroke(); + } + } + + function numberOrZero(param) { + return helpers.isNumber(param) ? param : 0; + } + + var LinearRadialScale = Chart.LinearScaleBase.extend({ + setDimensions: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + // Set the unconstrained dimension before label rotation + me.width = me.maxWidth; + me.height = me.maxHeight; + me.xCenter = Math.round(me.width / 2); + me.yCenter = Math.round(me.height / 2); + + var minSize = helpers.min([me.height, me.width]); + var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); + me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2); + }, + determineDataLimits: function() { + var me = this; + var chart = me.chart; + var min = Number.POSITIVE_INFINITY; + var max = Number.NEGATIVE_INFINITY; + + helpers.each(chart.data.datasets, function(dataset, datasetIndex) { + if (chart.isDatasetVisible(datasetIndex)) { + var meta = chart.getDatasetMeta(datasetIndex); + + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + min = Math.min(value, min); + max = Math.max(value, max); + }); + } + }); + + me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); + me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); + + // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero + me.handleTickRangeOptions(); + }, + getTickLimit: function() { + var tickOpts = this.options.ticks; + var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); + return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize))); + }, + convertTicksToLabels: function() { + var me = this; + + Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me); + + // Point labels + me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); + }, + getLabelForIndex: function(index, datasetIndex) { + return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); + }, + fit: function() { + if (this.options.pointLabels.display) { + fitWithPointLabels(this); + } else { + fit(this); + } + }, + /** + * Set radius reductions and determine new radius and center point + * @private + */ + setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { + var me = this; + var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); + var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); + var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); + var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b); + + radiusReductionLeft = numberOrZero(radiusReductionLeft); + radiusReductionRight = numberOrZero(radiusReductionRight); + radiusReductionTop = numberOrZero(radiusReductionTop); + radiusReductionBottom = numberOrZero(radiusReductionBottom); + + me.drawingArea = Math.min( + Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), + Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); + me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); + }, + setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { + var me = this; + var maxRight = me.width - rightMovement - me.drawingArea; + var maxLeft = leftMovement + me.drawingArea; + var maxTop = topMovement + me.drawingArea; + var maxBottom = me.height - bottomMovement - me.drawingArea; + + me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left); + me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top); + }, + + getIndexAngle: function(index) { + var angleMultiplier = (Math.PI * 2) / getValueCount(this); + var startAngle = this.chart.options && this.chart.options.startAngle ? + this.chart.options.startAngle : + 0; + + var startAngleRadians = startAngle * Math.PI * 2 / 360; + + // Start from the top instead of right, so remove a quarter of the circle + return index * angleMultiplier + startAngleRadians; + }, + getDistanceFromCenterForValue: function(value) { + var me = this; + + if (value === null) { + return 0; // null always in center + } + + // Take into account half font size + the yPadding of the top value + var scalingFactor = me.drawingArea / (me.max - me.min); + if (me.options.ticks.reverse) { + return (me.max - value) * scalingFactor; + } + return (value - me.min) * scalingFactor; + }, + getPointPosition: function(index, distanceFromCenter) { + var me = this; + var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); + return { + x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter, + y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter + }; + }, + getPointPositionForValue: function(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + }, + + getBasePosition: function() { + var me = this; + var min = me.min; + var max = me.max; + + return me.getPointPositionForValue(0, + me.beginAtZero ? 0 : + min < 0 && max < 0 ? max : + min > 0 && max > 0 ? min : + 0); + }, + + draw: function() { + var me = this; + var opts = me.options; + var gridLineOpts = opts.gridLines; + var tickOpts = opts.ticks; + var valueOrDefault = helpers.valueOrDefault; + + if (opts.display) { + var ctx = me.ctx; + var startAngle = this.getIndexAngle(0); + + // Tick Font + var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); + var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle); + var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily); + var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); + + helpers.each(me.ticks, function(label, index) { + // Don't draw a centre value (if it is minimum) + if (index > 0 || tickOpts.reverse) { + var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); + + // Draw circular lines around the scale + if (gridLineOpts.display && index !== 0) { + drawRadiusLine(me, gridLineOpts, yCenterOffset, index); + } + + if (tickOpts.display) { + var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor); + ctx.font = tickLabelFont; + + ctx.save(); + ctx.translate(me.xCenter, me.yCenter); + ctx.rotate(startAngle); + + if (tickOpts.showLabelBackdrop) { + var labelWidth = ctx.measureText(label).width; + ctx.fillStyle = tickOpts.backdropColor; + ctx.fillRect( + -labelWidth / 2 - tickOpts.backdropPaddingX, + -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY, + labelWidth + tickOpts.backdropPaddingX * 2, + tickFontSize + tickOpts.backdropPaddingY * 2 + ); + } + + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = tickFontColor; + ctx.fillText(label, 0, -yCenterOffset); + ctx.restore(); + } + } + }); + + if (opts.angleLines.display || opts.pointLabels.display) { + drawPointLabels(me); + } + } + } + }); + + scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig); +}; + +},{"26":26,"34":34,"35":35,"46":46}],59:[function(require,module,exports){ +/* global window: false */ +'use strict'; + +var moment = require(6); +moment = typeof moment === 'function' ? moment : window.moment; + +var defaults = require(26); +var helpers = require(46); +var Scale = require(33); +var scaleService = require(34); + +// Integer constants are from the ES6 spec. +var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; +var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; + +var INTERVALS = { + millisecond: { + common: true, + size: 1, + steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] + }, + second: { + common: true, + size: 1000, + steps: [1, 2, 5, 10, 15, 30] + }, + minute: { + common: true, + size: 60000, + steps: [1, 2, 5, 10, 15, 30] + }, + hour: { + common: true, + size: 3600000, + steps: [1, 2, 3, 6, 12] + }, + day: { + common: true, + size: 86400000, + steps: [1, 2, 5] + }, + week: { + common: false, + size: 604800000, + steps: [1, 2, 3, 4] + }, + month: { + common: true, + size: 2.628e9, + steps: [1, 2, 3] + }, + quarter: { + common: false, + size: 7.884e9, + steps: [1, 2, 3, 4] + }, + year: { + common: true, + size: 3.154e10 + } +}; + +var UNITS = Object.keys(INTERVALS); + +function sorter(a, b) { + return a - b; +} + +function arrayUnique(items) { + var hash = {}; + var out = []; + var i, ilen, item; + + for (i = 0, ilen = items.length; i < ilen; ++i) { + item = items[i]; + if (!hash[item]) { + hash[item] = true; + out.push(item); + } + } + + return out; +} + +/** + * Returns an array of {time, pos} objects used to interpolate a specific `time` or position + * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is + * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other + * extremity (left + width or top + height). Note that it would be more optimized to directly + * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need + * to create the lookup table. The table ALWAYS contains at least two items: min and max. + * + * @param {Number[]} timestamps - timestamps sorted from lowest to highest. + * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min + * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. + * If 'series', timestamps will be positioned at the same distance from each other. In this + * case, only timestamps that break the time linearity are registered, meaning that in the + * best case, all timestamps are linear, the table contains only min and max. + */ +function buildLookupTable(timestamps, min, max, distribution) { + if (distribution === 'linear' || !timestamps.length) { + return [ + {time: min, pos: 0}, + {time: max, pos: 1} + ]; + } + + var table = []; + var items = [min]; + var i, ilen, prev, curr, next; + + for (i = 0, ilen = timestamps.length; i < ilen; ++i) { + curr = timestamps[i]; + if (curr > min && curr < max) { + items.push(curr); + } + } + + items.push(max); + + for (i = 0, ilen = items.length; i < ilen; ++i) { + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + + // only add points that breaks the scale linearity + if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { + table.push({time: curr, pos: i / (ilen - 1)}); + } + } + + return table; +} + +// @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ +function lookup(table, key, value) { + var lo = 0; + var hi = table.length - 1; + var mid, i0, i1; + + while (lo >= 0 && lo <= hi) { + mid = (lo + hi) >> 1; + i0 = table[mid - 1] || null; + i1 = table[mid]; + + if (!i0) { + // given value is outside table (before first item) + return {lo: null, hi: i1}; + } else if (i1[key] < value) { + lo = mid + 1; + } else if (i0[key] > value) { + hi = mid - 1; + } else { + return {lo: i0, hi: i1}; + } + } + + // given value is outside table (after last item) + return {lo: i1, hi: null}; +} + +/** + * Linearly interpolates the given source `value` using the table items `skey` values and + * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') + * returns the position for a timestamp equal to 42. If value is out of bounds, values at + * index [0, 1] or [n - 1, n] are used for the interpolation. + */ +function interpolate(table, skey, sval, tkey) { + var range = lookup(table, skey, sval); + + // Note: the lookup table ALWAYS contains at least 2 items (min and max) + var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; + var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; + + var span = next[skey] - prev[skey]; + var ratio = span ? (sval - prev[skey]) / span : 0; + var offset = (next[tkey] - prev[tkey]) * ratio; + + return prev[tkey] + offset; +} + +/** + * Convert the given value to a moment object using the given time options. + * @see http://momentjs.com/docs/#/parsing/ + */ +function momentify(value, options) { + var parser = options.parser; + var format = options.parser || options.format; + + if (typeof parser === 'function') { + return parser(value); + } + + if (typeof value === 'string' && typeof format === 'string') { + return moment(value, format); + } + + if (!(value instanceof moment)) { + value = moment(value); + } + + if (value.isValid()) { + return value; + } + + // Labels are in an incompatible moment format and no `parser` has been provided. + // The user might still use the deprecated `format` option to convert his inputs. + if (typeof format === 'function') { + return format(value); + } + + return value; +} + +function parse(input, scale) { + if (helpers.isNullOrUndef(input)) { + return null; + } + + var options = scale.options.time; + var value = momentify(scale.getRightValue(input), options); + if (!value.isValid()) { + return null; + } + + if (options.round) { + value.startOf(options.round); + } + + return value.valueOf(); +} + +/** + * Returns the number of unit to skip to be able to display up to `capacity` number of ticks + * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. + */ +function determineStepSize(min, max, unit, capacity) { + var range = max - min; + var interval = INTERVALS[unit]; + var milliseconds = interval.size; + var steps = interval.steps; + var i, ilen, factor; + + if (!steps) { + return Math.ceil(range / (capacity * milliseconds)); + } + + for (i = 0, ilen = steps.length; i < ilen; ++i) { + factor = steps[i]; + if (Math.ceil(range / (milliseconds * factor)) <= capacity) { + break; + } + } + + return factor; +} + +/** + * Figures out what unit results in an appropriate number of auto-generated ticks + */ +function determineUnitForAutoTicks(minUnit, min, max, capacity) { + var ilen = UNITS.length; + var i, interval, factor; + + for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { + interval = INTERVALS[UNITS[i]]; + factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; + + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + + return UNITS[ilen - 1]; +} + +/** + * Figures out what unit to format a set of ticks with + */ +function determineUnitForFormatting(ticks, minUnit, min, max) { + var duration = moment.duration(moment(max).diff(moment(min))); + var ilen = UNITS.length; + var i, unit; + + for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { + unit = UNITS[i]; + if (INTERVALS[unit].common && duration.as(unit) >= ticks.length) { + return unit; + } + } + + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} + +function determineMajorUnit(unit) { + for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} + +/** + * Generates a maximum of `capacity` timestamps between min and max, rounded to the + * `minor` unit, aligned on the `major` unit and using the given scale time `options`. + * Important: this method can return ticks outside the min and max range, it's the + * responsibility of the calling code to clamp values if needed. + */ +function generate(min, max, capacity, options) { + var timeOpts = options.time; + var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); + var major = determineMajorUnit(minor); + var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize); + var weekday = minor === 'week' ? timeOpts.isoWeekday : false; + var majorTicksEnabled = options.ticks.major.enabled; + var interval = INTERVALS[minor]; + var first = moment(min); + var last = moment(max); + var ticks = []; + var time; + + if (!stepSize) { + stepSize = determineStepSize(min, max, minor, capacity); + } + + // For 'week' unit, handle the first day of week option + if (weekday) { + first = first.isoWeekday(weekday); + last = last.isoWeekday(weekday); + } + + // Align first/last ticks on unit + first = first.startOf(weekday ? 'day' : minor); + last = last.startOf(weekday ? 'day' : minor); + + // Make sure that the last tick include max + if (last < max) { + last.add(1, minor); + } + + time = moment(first); + + if (majorTicksEnabled && major && !weekday && !timeOpts.round) { + // Align the first tick on the previous `minor` unit aligned on the `major` unit: + // we first aligned time on the previous `major` unit then add the number of full + // stepSize there is between first and the previous major time. + time.startOf(major); + time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor); + } + + for (; time < last; time.add(stepSize, minor)) { + ticks.push(+time); + } + + ticks.push(+time); + + return ticks; +} + +/** + * Returns the right and left offsets from edges in the form of {left, right}. + * Offsets are added when the `offset` option is true. + */ +function computeOffsets(table, ticks, min, max, options) { + var left = 0; + var right = 0; + var upper, lower; + + if (options.offset && ticks.length) { + if (!options.time.min) { + upper = ticks.length > 1 ? ticks[1] : max; + lower = ticks[0]; + left = ( + interpolate(table, 'time', upper, 'pos') - + interpolate(table, 'time', lower, 'pos') + ) / 2; + } + if (!options.time.max) { + upper = ticks[ticks.length - 1]; + lower = ticks.length > 1 ? ticks[ticks.length - 2] : min; + right = ( + interpolate(table, 'time', upper, 'pos') - + interpolate(table, 'time', lower, 'pos') + ) / 2; + } + } + + return {left: left, right: right}; +} + +function ticksFromTimestamps(values, majorUnit) { + var ticks = []; + var i, ilen, value, major; + + for (i = 0, ilen = values.length; i < ilen; ++i) { + value = values[i]; + major = majorUnit ? value === +moment(value).startOf(majorUnit) : false; + + ticks.push({ + value: value, + major: major + }); + } + + return ticks; +} + +function determineLabelFormat(data, timeOpts) { + var i, momentDate, hasTime; + var ilen = data.length; + + // find the label with the most parts (milliseconds, minutes, etc.) + // format all labels with the same level of detail as the most specific label + for (i = 0; i < ilen; i++) { + momentDate = momentify(data[i], timeOpts); + if (momentDate.millisecond() !== 0) { + return 'MMM D, YYYY h:mm:ss.SSS a'; + } + if (momentDate.second() !== 0 || momentDate.minute() !== 0 || momentDate.hour() !== 0) { + hasTime = true; + } + } + if (hasTime) { + return 'MMM D, YYYY h:mm:ss a'; + } + return 'MMM D, YYYY'; +} + +module.exports = function() { + + var defaultConfig = { + position: 'bottom', + + /** + * Data distribution along the scale: + * - 'linear': data are spread according to their time (distances can vary), + * - 'series': data are spread at the same distance from each other. + * @see https://github.com/chartjs/Chart.js/pull/4507 + * @since 2.7.0 + */ + distribution: 'linear', + + /** + * Scale boundary strategy (bypassed by min/max time options) + * - `data`: make sure data are fully visible, ticks outside are removed + * - `ticks`: make sure ticks are fully visible, data outside are truncated + * @see https://github.com/chartjs/Chart.js/pull/4556 + * @since 2.7.0 + */ + bounds: 'data', + + time: { + parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment + format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/ + unit: false, // false == automatic or override with week, month, year, etc. + round: false, // none, or override with week, month, year, etc. + displayFormat: false, // DEPRECATED + isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/ + minUnit: 'millisecond', + + // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/ + displayFormats: { + millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM, + second: 'h:mm:ss a', // 11:20:01 AM + minute: 'h:mm a', // 11:20 AM + hour: 'hA', // 5PM + day: 'MMM D', // Sep 4 + week: 'll', // Week 46, or maybe "[W]WW - YYYY" ? + month: 'MMM YYYY', // Sept 2015 + quarter: '[Q]Q - YYYY', // Q3 + year: 'YYYY' // 2015 + }, + }, + ticks: { + autoSkip: false, + + /** + * Ticks generation input values: + * - 'auto': generates "optimal" ticks based on scale size and time options. + * - 'data': generates ticks from data (including labels from data {t|x|y} objects). + * - 'labels': generates ticks from user given `data.labels` values ONLY. + * @see https://github.com/chartjs/Chart.js/pull/4507 + * @since 2.7.0 + */ + source: 'auto', + + major: { + enabled: false + } + } + }; + + var TimeScale = Scale.extend({ + initialize: function() { + if (!moment) { + throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com'); + } + + this.mergeTicksOptions(); + + Scale.prototype.initialize.call(this); + }, + + update: function() { + var me = this; + var options = me.options; + + // DEPRECATIONS: output a message only one time per update + if (options.time && options.time.format) { + console.warn('options.time.format is deprecated and replaced by options.time.parser.'); + } + + return Scale.prototype.update.apply(me, arguments); + }, + + /** + * Allows data to be referenced via 't' attribute + */ + getRightValue: function(rawValue) { + if (rawValue && rawValue.t !== undefined) { + rawValue = rawValue.t; + } + return Scale.prototype.getRightValue.call(this, rawValue); + }, + + determineDataLimits: function() { + var me = this; + var chart = me.chart; + var timeOpts = me.options.time; + var unit = timeOpts.unit || 'day'; + var min = MAX_INTEGER; + var max = MIN_INTEGER; + var timestamps = []; + var datasets = []; + var labels = []; + var i, j, ilen, jlen, data, timestamp; + + // Convert labels to timestamps + for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) { + labels.push(parse(chart.data.labels[i], me)); + } + + // Convert data to timestamps + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + if (chart.isDatasetVisible(i)) { + data = chart.data.datasets[i].data; + + // Let's consider that all data have the same format. + if (helpers.isObject(data[0])) { + datasets[i] = []; + + for (j = 0, jlen = data.length; j < jlen; ++j) { + timestamp = parse(data[j], me); + timestamps.push(timestamp); + datasets[i][j] = timestamp; + } + } else { + timestamps.push.apply(timestamps, labels); + datasets[i] = labels.slice(0); + } + } else { + datasets[i] = []; + } + } + + if (labels.length) { + // Sort labels **after** data have been converted + labels = arrayUnique(labels).sort(sorter); + min = Math.min(min, labels[0]); + max = Math.max(max, labels[labels.length - 1]); + } + + if (timestamps.length) { + timestamps = arrayUnique(timestamps).sort(sorter); + min = Math.min(min, timestamps[0]); + max = Math.max(max, timestamps[timestamps.length - 1]); + } + + min = parse(timeOpts.min, me) || min; + max = parse(timeOpts.max, me) || max; + + // In case there is no valid min/max, set limits based on unit time option + min = min === MAX_INTEGER ? +moment().startOf(unit) : min; + max = max === MIN_INTEGER ? +moment().endOf(unit) + 1 : max; + + // Make sure that max is strictly higher than min (required by the lookup table) + me.min = Math.min(min, max); + me.max = Math.max(min + 1, max); + + // PRIVATE + me._horizontal = me.isHorizontal(); + me._table = []; + me._timestamps = { + data: timestamps, + datasets: datasets, + labels: labels + }; + }, + + buildTicks: function() { + var me = this; + var min = me.min; + var max = me.max; + var options = me.options; + var timeOpts = options.time; + var timestamps = []; + var ticks = []; + var i, ilen, timestamp; + + switch (options.ticks.source) { + case 'data': + timestamps = me._timestamps.data; + break; + case 'labels': + timestamps = me._timestamps.labels; + break; + case 'auto': + default: + timestamps = generate(min, max, me.getLabelCapacity(min), options); + } + + if (options.bounds === 'ticks' && timestamps.length) { + min = timestamps[0]; + max = timestamps[timestamps.length - 1]; + } + + // Enforce limits with user min/max options + min = parse(timeOpts.min, me) || min; + max = parse(timeOpts.max, me) || max; + + // Remove ticks outside the min/max range + for (i = 0, ilen = timestamps.length; i < ilen; ++i) { + timestamp = timestamps[i]; + if (timestamp >= min && timestamp <= max) { + ticks.push(timestamp); + } + } + + me.min = min; + me.max = max; + + // PRIVATE + me._unit = timeOpts.unit || determineUnitForFormatting(ticks, timeOpts.minUnit, me.min, me.max); + me._majorUnit = determineMajorUnit(me._unit); + me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); + me._offsets = computeOffsets(me._table, ticks, min, max, options); + me._labelFormat = determineLabelFormat(me._timestamps.data, timeOpts); + + return ticksFromTimestamps(ticks, me._majorUnit); + }, + + getLabelForIndex: function(index, datasetIndex) { + var me = this; + var data = me.chart.data; + var timeOpts = me.options.time; + var label = data.labels && index < data.labels.length ? data.labels[index] : ''; + var value = data.datasets[datasetIndex].data[index]; + + if (helpers.isObject(value)) { + label = me.getRightValue(value); + } + if (timeOpts.tooltipFormat) { + return momentify(label, timeOpts).format(timeOpts.tooltipFormat); + } + if (typeof label === 'string') { + return label; + } + + return momentify(label, timeOpts).format(me._labelFormat); + }, + + /** + * Function to format an individual tick mark + * @private + */ + tickFormatFunction: function(tick, index, ticks, formatOverride) { + var me = this; + var options = me.options; + var time = tick.valueOf(); + var formats = options.time.displayFormats; + var minorFormat = formats[me._unit]; + var majorUnit = me._majorUnit; + var majorFormat = formats[majorUnit]; + var majorTime = tick.clone().startOf(majorUnit).valueOf(); + var majorTickOpts = options.ticks.major; + var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; + var label = tick.format(formatOverride ? formatOverride : major ? majorFormat : minorFormat); + var tickOpts = major ? majorTickOpts : options.ticks.minor; + var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback); + + return formatter ? formatter(label, index, ticks) : label; + }, + + convertTicksToLabels: function(ticks) { + var labels = []; + var i, ilen; + + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks)); + } + + return labels; + }, + + /** + * @private + */ + getPixelForOffset: function(time) { + var me = this; + var size = me._horizontal ? me.width : me.height; + var start = me._horizontal ? me.left : me.top; + var pos = interpolate(me._table, 'time', time, 'pos'); + + return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right); + }, + + getPixelForValue: function(value, index, datasetIndex) { + var me = this; + var time = null; + + if (index !== undefined && datasetIndex !== undefined) { + time = me._timestamps.datasets[datasetIndex][index]; + } + + if (time === null) { + time = parse(value, me); + } + + if (time !== null) { + return me.getPixelForOffset(time); + } + }, + + getPixelForTick: function(index) { + var ticks = this.getTicks(); + return index >= 0 && index < ticks.length ? + this.getPixelForOffset(ticks[index].value) : + null; + }, + + getValueForPixel: function(pixel) { + var me = this; + var size = me._horizontal ? me.width : me.height; + var start = me._horizontal ? me.left : me.top; + var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right; + var time = interpolate(me._table, 'pos', pos, 'time'); + + return moment(time); + }, + + /** + * Crude approximation of what the label width might be + * @private + */ + getLabelWidth: function(label) { + var me = this; + var ticksOpts = me.options.ticks; + var tickLabelWidth = me.ctx.measureText(label).width; + var angle = helpers.toRadians(ticksOpts.maxRotation); + var cosRotation = Math.cos(angle); + var sinRotation = Math.sin(angle); + var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize); + + return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); + }, + + /** + * @private + */ + getLabelCapacity: function(exampleTime) { + var me = this; + + var formatOverride = me.options.time.displayFormats.millisecond; // Pick the longest format for guestimation + + var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, [], formatOverride); + var tickLabelWidth = me.getLabelWidth(exampleLabel); + var innerWidth = me.isHorizontal() ? me.width : me.height; + + var capacity = Math.floor(innerWidth / tickLabelWidth); + return capacity > 0 ? capacity : 1; + } + }); + + scaleService.registerScaleType('time', TimeScale, defaultConfig); +}; + +},{"26":26,"33":33,"34":34,"46":46,"6":6}]},{},[7])(7) +});