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mirror of https://github.com/rsms/inter.git synced 2024-12-26 00:54:14 +03:00
inter/docs/res/base.js
2018-10-10 23:38:23 -07:00

114 lines
2.8 KiB
JavaScript

function $$(query, el) {
return [].slice.call((el || document).querySelectorAll(query))
}
function $(query, el) {
return (el || document).querySelector(query)
}
// fetchjson(url string) :Promise<Object>
//
var fetchjson = (
typeof window.fetch == 'function' ? (
function _fetchjson(url, cb) {
return window.fetch(url).then(function(r) { return r.json() })
}
) :
function _fetchjson(url, cb) {
return new Promise(function(resolve, reject) {
var r = new XMLHttpRequest()
r.addEventListener("load", function(){
try {
resolve(JSON.parse(r.responseText))
} catch (err) {
reject(err)
}
})
r.addEventListener("error", function(ev) {
reject(ev.error || ev || new Error('network error'))
})
r.open("GET", url)
r.send()
})
}
)
// timeNow() :float
//
var timeNow = (
window.performance !== undefined && window.performance.now ? function() {
return window.performance.now()
} : Date.now ? function() {
return Date.now()
} : function() {
return (new Date()).getTime()
}
)
var HUDNotification = {
el: $('#hud-notification'),
timer: null,
visible: false,
show: function(message, duration) {
var n = this
n.el.firstChild.innerText = message
n.el.classList.add('visible')
if (n.visible) {
n.hide()
setTimeout(function(){ n.show(message, duration) }, 120)
return
}
n.visible = true
clearTimeout(n.timer)
n.timer = setTimeout(function(){ n.hide() }, duration || 1200)
},
hide: function() {
var n = this
if (n.visible) {
n.el.classList.remove('visible')
n.visible = false
}
}
}
// InterUIDynamicTracking takes the font size in points or pixels and returns
// the compensating tracking in EM.
//
function InterUIDynamicTracking(fontSize) {
// tracking = a + b * e ^ (c * fontSize)
var a = -0.017, b = 0.202, c = -0.175;
return a + b * Math.pow(Math.E, c * fontSize)
}
// Mac or not? Maybe even a buggy Safari?
var isMac = false
if (!window.MSStream &&
/mac|ipad|iphone|ipod/i.test(navigator.userAgent))
{
isMac = true
if (navigator.userAgent.indexOf('Safari') != -1 &&
navigator.userAgent.indexOf('Chrome') == -1)
{
document.body.classList.add('safari')
}
}
// Google Analytics
// ;(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
// (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
// m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
// })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
// ga('create', 'UA-105091131-2', 'auto');
// ga('send', 'pageview');
window.dataLayer = window.dataLayer || [];
window.dataLayer.push(['js', new Date()])
window.dataLayer.push(['config', 'UA-105091131-2'])