Updated revealjs

reveal.js/bower.json

@@ -1,6 +1,6 @@
 {
   "name": "reveal.js",
-  "version": "3.8.0",
+  "version": "3.9.2",
   "main": [
     "js/reveal.js",
     "css/reveal.css"

reveal.js/gruntfile.js

@@ -19,7 +19,7 @@ module.exports = grunt => {
 				' * http://revealjs.com\n' +
 				' * MIT licensed\n' +
 				' *\n' +
-				' * Copyright (C) 2019 Hakim El Hattab, http://hakim.se\n' +
+				' * Copyright (C) 2020 Hakim El Hattab, http://hakim.se\n' +
 				' */'
 		},
 

reveal.js/js/reveal.js

@@ -3,7 +3,7 @@
  * http://revealjs.com
  * MIT licensed
  *
- * Copyright (C) 2019 Hakim El Hattab, http://hakim.se
+ * Copyright (C) 2020 Hakim El Hattab, http://hakim.se
  */
 (function( root, factory ) {
 	if( typeof define === 'function' && define.amd ) {
@@ -26,14 +26,18 @@
 	var Reveal;
 
 	// The reveal.js version
-	var VERSION = '3.8.0';
+	var VERSION = '3.9.2';
 
 	var SLIDES_SELECTOR = '.slides section',
 		HORIZONTAL_SLIDES_SELECTOR = '.slides>section',
 		VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section',
 		HOME_SLIDE_SELECTOR = '.slides>section:first-of-type',
+
 		UA = navigator.userAgent,
 
+		// Methods that may not be invoked via the postMessage API
+		POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,
+
 		// Configuration defaults, can be overridden at initialization time
 		config = {
 
@@ -77,9 +81,9 @@
 			// - "c/t":	  Flattened slide number / total slides
 			//
 			// Alternatively, you can provide a function that returns the slide
-			// number for the current slide. The function needs to return an array
-			// with one string [slideNumber] or three strings [n1,delimiter,n2].
-			// See #formatSlideNumber().
+			// number for the current slide. The function should take in a slide
+			// object and return an array with one string [slideNumber] or
+			// three strings [n1,delimiter,n2]. See #formatSlideNumber().
 			slideNumber: false,
 
 			// Can be used to limit the contexts in which the slide number appears
@@ -855,17 +859,10 @@
 		// Make sure stretch elements fit on slide
 		layoutSlideContents( slideWidth, slideHeight );
 
-		// Add each slide's index as attributes on itself, we need these
-		// indices to generate slide numbers below
-		toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( hslide, h ) {
-			hslide.setAttribute( 'data-index-h', h );
-
-			if( hslide.classList.contains( 'stack' ) ) {
-				toArray( hslide.querySelectorAll( 'section' ) ).forEach( function( vslide, v ) {
-					vslide.setAttribute( 'data-index-h', h );
-					vslide.setAttribute( 'data-index-v', v );
-				} );
-			}
+		// Compute slide numbers now, before we start duplicating slides
+		var doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
+		toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
+			slide.setAttribute( 'data-slide-number', getSlideNumber( slide ) );
 		} );
 
 		// Slide and slide background layout
@@ -936,14 +933,11 @@
 				}
 
 				// Inject slide numbers if `slideNumbers` are enabled
-				if( config.slideNumber && /all|print/i.test( config.showSlideNumber ) ) {
-					var slideNumberH = parseInt( slide.getAttribute( 'data-index-h' ), 10 ) + 1,
-						slideNumberV = parseInt( slide.getAttribute( 'data-index-v' ), 10 ) + 1;
-
+				if( doingSlideNumbers ) {
 					var numberElement = document.createElement( 'div' );
 					numberElement.classList.add( 'slide-number' );
 					numberElement.classList.add( 'slide-number-pdf' );
-					numberElement.innerHTML = formatSlideNumber( slideNumberH, '.', slideNumberV );
+					numberElement.innerHTML = slide.getAttribute( 'data-slide-number' );
 					page.appendChild( numberElement );
 				}
 
@@ -1284,11 +1278,20 @@
 
 					// Check if the requested method can be found
 					if( data.method && typeof Reveal[data.method] === 'function' ) {
-						var result = Reveal[data.method].apply( Reveal, data.args );
 
-						// Dispatch a postMessage event with the returned value from
-						// our method invocation for getter functions
-						dispatchPostMessage( 'callback', { method: data.method, result: result } );
+						if( POST_MESSAGE_METHOD_BLACKLIST.test( data.method ) === false ) {
+
+							var result = Reveal[data.method].apply( Reveal, data.args );
+
+							// Dispatch a postMessage event with the returned value from
+							// our method invocation for getter functions
+							dispatchPostMessage( 'callback', { method: data.method, result: result } );
+
+						}
+						else {
+							console.warn( 'reveal.js: "'+ data.method +'" is is blacklisted from the postMessage API' );
+						}
+
 					}
 				}
 			}, false );
@@ -2657,34 +2660,37 @@
 	}
 
 	/**
-	 * Return a hash URL that will resolve to the current slide location.
+	 * Return a hash URL that will resolve to the given slide location.
+	 *
+	 * @param {HTMLElement} [slide=currentSlide] The slide to link to
 	 */
-	function locationHash() {
+	function locationHash( slide ) {
 
 		var url = '/';
 
 		// Attempt to create a named link based on the slide's ID
-		var id = currentSlide ? currentSlide.getAttribute( 'id' ) : null;
+		var s = slide || currentSlide;
+		var id = s ? s.getAttribute( 'id' ) : null;
 		if( id ) {
 			id = encodeURIComponent( id );
 		}
 
-		var indexf;
-		if( config.fragmentInURL ) {
-			indexf = getIndices().f;
+		var index = getIndices( slide );
+		if( !config.fragmentInURL ) {
+			index.f = undefined;
 		}
 
 		// If the current slide has an ID, use that as a named link,
 		// but we don't support named links with a fragment index
-		if( typeof id === 'string' && id.length && indexf === undefined ) {
+		if( typeof id === 'string' && id.length && index.f === undefined ) {
 			url = '/' + id;
 		}
 		// Otherwise use the /h/v index
 		else {
 			var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
-			if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh + hashIndexBase;
-			if( indexv > 0 || indexf !== undefined ) url += '/' + (indexv + hashIndexBase );
-			if( indexf !== undefined ) url += '/' + indexf;
+			if( index.h > 0 || index.v > 0 || index.f !== undefined ) url += index.h + hashIndexBase;
+			if( index.v > 0 || index.f !== undefined ) url += '/' + (index.v + hashIndexBase );
+			if( index.f !== undefined ) url += '/' + index.f;
 		}
 
 		return url;
@@ -3428,48 +3434,58 @@
 
 		// Update slide number if enabled
 		if( config.slideNumber && dom.slideNumber ) {
-
-			var value;
-			var format = 'h.v';
-
-			if( typeof config.slideNumber === 'function' ) {
-				value = config.slideNumber();
-			}
-			else {
-				// Check if a custom number format is available
-				if( typeof config.slideNumber === 'string' ) {
-					format = config.slideNumber;
-				}
-
-				// If there are ONLY vertical slides in this deck, always use
-				// a flattened slide number
-				if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
-					format = 'c';
-				}
-
-				value = [];
-				switch( format ) {
-					case 'c':
-						value.push( getSlidePastCount() + 1 );
-						break;
-					case 'c/t':
-						value.push( getSlidePastCount() + 1, '/', getTotalSlides() );
-						break;
-					case 'h/v':
-						value.push( indexh + 1 );
-						if( isVerticalSlide() ) value.push( '/', indexv + 1 );
-						break;
-					default:
-						value.push( indexh + 1 );
-						if( isVerticalSlide() ) value.push( '.', indexv + 1 );
-				}
-			}
-
-			dom.slideNumber.innerHTML = formatSlideNumber( value[0], value[1], value[2] );
+			dom.slideNumber.innerHTML = getSlideNumber();
 		}
 
 	}
 
+	/**
+	 * Returns the HTML string corresponding to the current slide number,
+	 * including formatting.
+	 */
+	function getSlideNumber( slide ) {
+
+		var value;
+		var format = 'h.v';
+		if( slide === undefined ) {
+			slide = currentSlide;
+		}
+
+		if ( typeof config.slideNumber === 'function' ) {
+			value = config.slideNumber( slide );
+		} else {
+			// Check if a custom number format is available
+			if( typeof config.slideNumber === 'string' ) {
+				format = config.slideNumber;
+			}
+
+			// If there are ONLY vertical slides in this deck, always use
+			// a flattened slide number
+			if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
+				format = 'c';
+			}
+
+			value = [];
+			switch( format ) {
+				case 'c':
+					value.push( getSlidePastCount( slide ) + 1 );
+					break;
+				case 'c/t':
+					value.push( getSlidePastCount( slide ) + 1, '/', getTotalSlides() );
+					break;
+				default:
+					var indices = getIndices( slide );
+					value.push( indices.h + 1 );
+					var sep = format === 'h/v' ? '/' : '.';
+					if( isVerticalSlide( slide ) ) value.push( sep, indices.v + 1 );
+			}
+		}
+
+		var url = '#' + locationHash( slide );
+		return formatSlideNumber( value[0], value[1], value[2], url );
+
+	}
+
 	/**
 	 * Applies HTML formatting to a slide number before it's
 	 * written to the DOM.
@@ -3477,11 +3493,14 @@
 	 * @param {number} a Current slide
 	 * @param {string} delimiter Character to separate slide numbers
 	 * @param {(number|*)} b Total slides
+	 * @param {HTMLElement} [url='#'+locationHash()] The url to link to
 	 * @return {string} HTML string fragment
 	 */
-	function formatSlideNumber( a, delimiter, b ) {
+	function formatSlideNumber( a, delimiter, b, url ) {
 
-		var url = '#' + locationHash();
+		if( url === undefined ) {
+			url = '#' + locationHash();
+		}
 		if( typeof b === 'number' && !isNaN( b ) ) {
 			return  '<a href="' + url + '">' +
 					'<span class="slide-number-a">'+ a +'</span>' +
@@ -4232,9 +4251,15 @@
 	 * Returns the number of past slides. This can be used as a global
 	 * flattened index for slides.
 	 *
+	 * @param {HTMLElement} [slide=currentSlide] The slide we're counting before
+	 *
 	 * @return {number} Past slide count
 	 */
-	function getSlidePastCount() {
+	function getSlidePastCount( slide ) {
+
+		if( slide === undefined ) {
+			slide = currentSlide;
+		}
 
 		var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
 
@@ -4250,7 +4275,7 @@
 			for( var j = 0; j < verticalSlides.length; j++ ) {
 
 				// Stop as soon as we arrive at the present
-				if( verticalSlides[j].classList.contains( 'present' ) ) {
+				if( verticalSlides[j] === slide ) {
 					break mainLoop;
 				}
 
@@ -4259,7 +4284,7 @@
 			}
 
 			// Stop as soon as we arrive at the present
-			if( horizontalSlide.classList.contains( 'present' ) ) {
+			if( horizontalSlide === slide ) {
 				break;
 			}
 
@@ -4751,6 +4776,8 @@
 
 			if( fragments.length ) {
 
+				var maxIndex = 0;
+
 				if( typeof index !== 'number' ) {
 					var currentFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
 					if( currentFragment ) {
@@ -4764,6 +4791,8 @@
 						i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );
 					}
 
+					maxIndex = Math.max( maxIndex, i );
+
 					// Visible fragments
 					if( i <= index ) {
 						if( !el.classList.contains( 'visible' ) ) changedFragments.shown.push( el );
@@ -4787,6 +4816,13 @@
 
 				} );
 
+				// Write the current fragment index to the slide <section>.
+				// This can be used by end users to apply styles based on
+				// the current fragment index.
+				index = typeof index === 'number' ? index : -1;
+				index = Math.max( Math.min( index, maxIndex ), -1 );
+				currentSlide.setAttribute( 'data-fragment', index );
+
 			}
 
 		}

reveal.js/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "reveal.js",
-  "version": "3.8.0",
+  "version": "3.9.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -53,12 +53,12 @@
       }
     },
     "ajv": {
-      "version": "6.10.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+      "version": "6.11.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
+      "integrity": "sha512-nCprB/0syFYy9fVYU1ox1l2KN8S9I+tziH8D4zdZuLT3N6RMlGSGt5FSTpAiHB/Whv8Qs1cWHma1aMKZyaHRKA==",
       "dev": true,
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
@@ -275,9 +275,9 @@
       "dev": true
     },
     "aws4": {
-      "version": "1.9.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.0.tgz",
-      "integrity": "sha512-Uvq6hVe90D0B2WEnUqtdgY1bATGz3mw33nH9Y+dmA+w5DHvUmBgkr5rM/KCHpCsiFNRUfokW/szpPPgMK2hm4A==",
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz",
+      "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==",
       "dev": true
     },
     "backo2": {
@@ -1775,9 +1775,9 @@
       "dev": true
     },
     "fast-deep-equal": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz",
+      "integrity": "sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==",
       "dev": true
     },
     "fast-json-stable-stringify": {
@@ -3616,9 +3616,9 @@
       }
     },
     "node-sass": {
-      "version": "4.13.0",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.0.tgz",
-      "integrity": "sha512-W1XBrvoJ1dy7VsvTAS5q1V45lREbTlZQqFbiHb3R3OTTCma0XBtuG6xZ6Z4506nR4lmHPTqVRwxT6KgtWC97CA==",
+      "version": "4.13.1",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
+      "integrity": "sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==",
       "dev": true,
       "requires": {
         "async-foreach": "^0.1.3",
@@ -3638,14 +3638,6 @@
         "sass-graph": "^2.2.4",
         "stdout-stream": "^1.4.0",
         "true-case-path": "^1.0.2"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.15",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-          "dev": true
-        }
       }
     },
     "nopt": {
@@ -4328,14 +4320,6 @@
         "tough-cookie": "~2.4.3",
         "tunnel-agent": "^0.6.0",
         "uuid": "^3.3.2"
-      },
-      "dependencies": {
-        "extend": {
-          "version": "3.0.2",
-          "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
-          "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
-          "dev": true
-        }
       }
     },
     "require-directory": {
@@ -5477,9 +5461,9 @@
       "dev": true
     },
     "uuid": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
-      "integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
       "dev": true
     },
     "v8flags": {

reveal.js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "reveal.js",
-  "version": "3.8.0",
+  "version": "3.9.2",
   "description": "The HTML Presentation Framework",
   "homepage": "http://revealjs.com",
   "subdomain": "revealjs",
@@ -25,8 +25,8 @@
   "devDependencies": {
     "express": "^4.16.2",
     "grunt": "^1.0.4",
-    "grunt-cli": "^1.3.2",
     "grunt-autoprefixer": "^3.0.4",
+    "grunt-cli": "^1.3.2",
     "grunt-contrib-connect": "^2.0.0",
     "grunt-contrib-cssmin": "^3.0.0",
     "grunt-contrib-jshint": "^2.0.0",
@@ -36,8 +36,8 @@
     "grunt-sass": "^3.0.2",
     "grunt-zip": "~0.17.1",
     "load-grunt-tasks": "^4.0.0",
-    "node-sass": "^4.13.0",
     "mustache": "^2.3.0",
+    "node-sass": "^4.13.1",
     "socket.io": "^2.2.0"
   },
   "license": "MIT"