diff options
Diffstat (limited to 'source/bower_components/modernizr/test/js/lib/detect-global.js')
| -rw-r--r-- | source/bower_components/modernizr/test/js/lib/detect-global.js | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/source/bower_components/modernizr/test/js/lib/detect-global.js b/source/bower_components/modernizr/test/js/lib/detect-global.js new file mode 100644 index 0000000..48b4ac2 --- /dev/null +++ b/source/bower_components/modernizr/test/js/lib/detect-global.js @@ -0,0 +1,153 @@ +// https://github.com/kangax/detect-global + +// tweaked to run without a UI. + +(function () { + function getPropertyDescriptors(object) { + var props = { }; + for (var prop in object) { + + // nerfing for firefox who goes crazy over some objects like sessionStorage + try { + + props[prop] = { + type: typeof object[prop], + value: object[prop] + }; + + } catch(e){ + props[prop] = {}; + } + } + return props; + } + + function getCleanWindow() { + var elIframe = document.createElement('iframe'); + elIframe.style.display = 'none'; + + var ref = document.getElementsByTagName('script')[0]; + ref.parentNode.insertBefore(elIframe, ref); + + elIframe.src = 'about:blank'; + return elIframe.contentWindow; + } + + function appendControl(el, name) { + var elCheckbox = document.createElement('input'); + elCheckbox.type = 'checkbox'; + elCheckbox.checked = true; + elCheckbox.id = '__' + name; + + var elLabel = document.createElement('label'); + elLabel.htmlFor = '__' + name; + elLabel.innerHTML = 'Exclude ' + name + ' properties?'; + elLabel.style.marginLeft = '0.5em'; + + var elWrapper = document.createElement('p'); + elWrapper.style.marginBottom = '0.5em'; + + elWrapper.appendChild(elCheckbox); + elWrapper.appendChild(elLabel); + + el.appendChild(elWrapper); + } + + function appendAnalyze(el) { + var elAnalyze = document.createElement('button'); + elAnalyze.id = '__analyze'; + elAnalyze.innerHTML = 'Analyze'; + elAnalyze.style.marginTop = '1em'; + el.appendChild(elAnalyze); + } + + function appendCancel(el) { + var elCancel = document.createElement('a'); + elCancel.href = '#'; + elCancel.innerHTML = 'Cancel'; + elCancel.style.cssText = 'color:#eee;margin-left:0.5em;'; + elCancel.onclick = function() { + el.parentNode.removeChild(el); + return false; + }; + el.appendChild(elCancel); + } + + function initConfigPopup() { + var el = document.createElement('div'); + + el.style.cssText = 'position:fixed; left:10px; top:10px; width:300px; background:rgba(50,50,50,0.9);' + + '-moz-border-radius:10px; padding:1em; color: #eee; text-align: left;' + + 'font-family: "Helvetica Neue", Verdana, Arial, sans serif; z-index: 99999;'; + + for (var prop in propSets) { + appendControl(el, prop); + } + + appendAnalyze(el); + appendCancel(el); + + var ref = document.getElementsByTagName('script')[0]; + ref.parentNode.insertBefore(el, ref); + } + + function getPropsCount(object) { + var count = 0; + for (var prop in object) { + count++; + } + return count; + } + + function shouldDeleteProperty(propToCheck) { + for (var prop in propSets) { + var elCheckbox = document.getElementById('__' + prop); + var isPropInSet = propSets[prop].indexOf(propToCheck) > -1; + if (isPropInSet && (elCheckbox ? elCheckbox.checked : true) ) { + return true; + } + } + } + + function analyze() { + var global = (function(){ return this; })(), + globalProps = getPropertyDescriptors(global), + cleanWindow = getCleanWindow(); + + for (var prop in cleanWindow) { + if (globalProps[prop]) { + delete globalProps[prop]; + } + } + for (var prop in globalProps) { + if (shouldDeleteProperty(prop)) { + delete globalProps[prop]; + } + } + + window.__globalsCount = getPropsCount(globalProps); + window.__globals = globalProps; + + window.console && console.log('Total number of global properties: ' + __globalsCount); + window.console && console.dir(__globals); + } + + var propSets = { + 'Prototype': '$$ $A $F $H $R $break $continue $w Abstract Ajax Class Enumerable Element Field Form ' + + 'Hash Insertion ObjectRange PeriodicalExecuter Position Prototype Selector Template Toggle Try'.split(' '), + + 'Scriptaculous': 'Autocompleter Builder Control Draggable Draggables Droppables Effect Sortable SortableObserver Sound Scriptaculous'.split(' '), + 'Firebug': 'loadFirebugConsole console _getFirebugConsoleElement _FirebugConsole _FirebugCommandLine _firebug'.split(' '), + 'Mozilla': 'Components XPCNativeWrapper XPCSafeJSObjectWrapper getInterface netscape GetWeakReference GeckoActiveXObject'.split(' '), + 'GoogleAnalytics': 'gaJsHost gaGlobal _gat _gaq pageTracker'.split(' '), + 'lazyGlobals': 'onhashchange'.split(' ') + }; + + // initConfigPopup(); // disable because we're going UI-less. + + var analyzeElem = document.getElementById('__analyze'); + analyzeElem && (analyzeElem.onclick = analyze); + + analyze(); // and assign total added globals to window.__globalsCount + +})();
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