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-///#source 1 1 /src/1.0.0/core.js
-/*! head.core - v1.0.2 */
-/*
- * HeadJS The only script in your <HEAD>
- * Author Tero Piirainen (tipiirai)
- * Maintainer Robert Hoffmann (itechnology)
- * License MIT / http://bit.ly/mit-license
- * WebSite http://headjs.com
- */
-(function(win, undefined) {
- "use strict";
-
- // gt, gte, lt, lte, eq breakpoints would have been more simple to write as ['gt','gte','lt','lte','eq']
- // but then we would have had to loop over the collection on each resize() event,
- // a simple object with a direct access to true/false is therefore much more efficient
- var doc = win.document,
- nav = win.navigator,
- loc = win.location,
- html = doc.documentElement,
- klass = [],
- conf = {
- screens : [240, 320, 480, 640, 768, 800, 1024, 1280, 1440, 1680, 1920],
- screensCss: { "gt": true, "gte": false, "lt": true, "lte": false, "eq": false },
- browsers : [
- { ie: { min: 6, max: 11 } }
- //,{ chrome : { min: 8, max: 33 } }
- //,{ ff : { min: 3, max: 26 } }
- //,{ ios : { min: 3, max: 7 } }
- //,{ android: { min: 2, max: 4 } }
- //,{ webkit : { min: 9, max: 12 } }
- //,{ opera : { min: 9, max: 12 } }
- ],
- browserCss: { "gt": true, "gte": false, "lt": true, "lte": false, "eq": true },
- html5 : true,
- page : "-page",
- section : "-section",
- head : "head"
- };
-
- if (win.head_conf) {
- for (var item in win.head_conf) {
- if (win.head_conf[item] !== undefined) {
- conf[item] = win.head_conf[item];
- }
- }
- }
-
- function pushClass(name) {
- klass[klass.length] = name;
- }
-
- function removeClass(name) {
- // need to test for both space and no space
- // https://github.com/headjs/headjs/issues/270
- // https://github.com/headjs/headjs/issues/226
- var re = new RegExp(" ?\\b" + name + "\\b");
- html.className = html.className.replace(re, "");
- }
-
- function each(arr, fn) {
- for (var i = 0, l = arr.length; i < l; i++) {
- fn.call(arr, arr[i], i);
- }
- }
-
- // API
- var api = win[conf.head] = function() {
- api.ready.apply(null, arguments);
- };
-
- api.feature = function(key, enabled, queue) {
-
- // internal: apply all classes
- if (!key) {
- html.className += " " + klass.join(" ");
- klass = [];
-
- return api;
- }
-
- if (Object.prototype.toString.call(enabled) === "[object Function]") {
- enabled = enabled.call();
- }
-
- pushClass((enabled ? "" : "no-") + key);
- api[key] = !!enabled;
-
- // apply class to HTML element
- if (!queue) {
- removeClass("no-" + key);
- removeClass(key);
- api.feature();
- }
-
- return api;
- };
-
- // no queue here, so we can remove any eventual pre-existing no-js class
- api.feature("js", true);
-
- // browser type & version
- var ua = nav.userAgent.toLowerCase(),
- mobile = /mobile|android|kindle|silk|midp|phone|(windows .+arm|touch)/.test(ua);
-
- // useful for enabling/disabling feature (we can consider a desktop navigator to have more cpu/gpu power)
- api.feature("mobile" , mobile , true);
- api.feature("desktop", !mobile, true);
-
- // http://www.zytrax.com/tech/web/browser_ids.htm
- // http://www.zytrax.com/tech/web/mobile_ids.html
- ua = /(chrome|firefox)[ \/]([\w.]+)/.exec(ua) || // Chrome & Firefox
- /(iphone|ipad|ipod)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Mobile IOS
- /(android)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Mobile Webkit
- /(webkit|opera)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Safari & Opera
- /(msie) ([\w.]+)/.exec(ua) ||
- /(trident).+rv:(\w.)+/.exec(ua) || [];
-
- var browser = ua[1],
- version = parseFloat(ua[2]);
-
- switch (browser) {
- case "msie":
- case "trident":
- browser = "ie";
- version = doc.documentMode || version;
- break;
-
- case "firefox":
- browser = "ff";
- break;
-
- case "ipod":
- case "ipad":
- case "iphone":
- browser = "ios";
- break;
-
- case "webkit":
- browser = "safari";
- break;
- }
-
- // Browser vendor and version
- api.browser = {
- name: browser,
- version: version
- };
- api.browser[browser] = true;
-
- for (var i = 0, l = conf.browsers.length; i < l; i++) {
- for (var key in conf.browsers[i]) {
- if (browser === key) {
- pushClass(key);
-
- var min = conf.browsers[i][key].min;
- var max = conf.browsers[i][key].max;
-
- for (var v = min; v <= max; v++) {
- if (version > v) {
- if (conf.browserCss.gt) {
- pushClass("gt-" + key + v);
- }
-
- if (conf.browserCss.gte) {
- pushClass("gte-" + key + v);
- }
- } else if (version < v) {
- if (conf.browserCss.lt) {
- pushClass("lt-" + key + v);
- }
-
- if (conf.browserCss.lte) {
- pushClass("lte-" + key + v);
- }
- } else if (version === v) {
- if (conf.browserCss.lte) {
- pushClass("lte-" + key + v);
- }
-
- if (conf.browserCss.eq) {
- pushClass("eq-" + key + v);
- }
-
- if (conf.browserCss.gte) {
- pushClass("gte-" + key + v);
- }
- }
- }
- } else {
- pushClass("no-" + key);
- }
- }
- }
-
- pushClass(browser);
- pushClass(browser + parseInt(version, 10));
-
- // IE lt9 specific
- if (conf.html5 && browser === "ie" && version < 9) {
- // HTML5 support : you still need to add html5 css initialization styles to your site
- // See: assets/html5.css
- each("abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|main|mark|meter|nav|output|progress|section|summary|time|video".split("|"), function(el) {
- doc.createElement(el);
- });
- }
-
- // CSS "router"
- each(loc.pathname.split("/"), function(el, i) {
- if (this.length > 2 && this[i + 1] !== undefined) {
- if (i) {
- pushClass(this.slice(i, i + 1).join("-").toLowerCase() + conf.section);
- }
- } else {
- // pageId
- var id = el || "index", index = id.indexOf(".");
- if (index > 0) {
- id = id.substring(0, index);
- }
-
- html.id = id.toLowerCase() + conf.page;
-
- // on root?
- if (!i) {
- pushClass("root" + conf.section);
- }
- }
- });
-
- // basic screen info
- api.screen = {
- height: win.screen.height,
- width : win.screen.width
- };
-
- // viewport resolutions: w-100, lt-480, lt-1024 ...
- function screenSize() {
- // remove earlier sizes
- html.className = html.className.replace(/ (w-|eq-|gt-|gte-|lt-|lte-|portrait|no-portrait|landscape|no-landscape)\d+/g, "");
-
- // Viewport width
- var iw = win.innerWidth || html.clientWidth,
- ow = win.outerWidth || win.screen.width;
-
- api.screen.innerWidth = iw;
- api.screen.outerWidth = ow;
-
- // for debugging purposes, not really useful for anything else
- pushClass("w-" + iw);
-
- each(conf.screens, function(width) {
- if (iw > width) {
- if (conf.screensCss.gt) {
- pushClass("gt-" + width);
- }
-
- if (conf.screensCss.gte) {
- pushClass("gte-" + width);
- }
- } else if (iw < width) {
- if (conf.screensCss.lt) {
- pushClass("lt-" + width);
- }
-
- if (conf.screensCss.lte) {
- pushClass("lte-" + width);
- }
- } else if (iw === width) {
- if (conf.screensCss.lte) {
- pushClass("lte-" + width);
- }
-
- if (conf.screensCss.eq) {
- pushClass("e-q" + width);
- }
-
- if (conf.screensCss.gte) {
- pushClass("gte-" + width);
- }
- }
- });
-
- // Viewport height
- var ih = win.innerHeight || html.clientHeight,
- oh = win.outerHeight || win.screen.height;
-
- api.screen.innerHeight = ih;
- api.screen.outerHeight = oh;
-
- // no need for onChange event to detect this
- api.feature("portrait" , (ih > iw));
- api.feature("landscape", (ih < iw));
- }
-
- screenSize();
-
- // Throttle navigators from triggering too many resize events
- var resizeId = 0;
-
- function onResize() {
- win.clearTimeout(resizeId);
- resizeId = win.setTimeout(screenSize, 50);
- }
-
- // Manually attach, as to not overwrite existing handler
- if (win.addEventListener) {
- win.addEventListener("resize", onResize, false);
-
- } else {
- // IE8 and less
- win.attachEvent("onresize", onResize);
- }
-}(window));
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