Move phantomas_custom to the phantomas tool directory
This commit is contained in:
Gaël Métais
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/**
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* Analyzes jQuery activity
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*
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* @see http://code.jquery.com/jquery-1.10.2.js
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* @see http://code.jquery.com/jquery-2.0.3.js
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*/
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/* global document: true, window: true */
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/* jshint -W030 */
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exports.version = '0.2.a';
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exports.module = function(phantomas) {
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'use strict';
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phantomas.setMetric('jQueryVersion', ''); // @desc version of jQuery framework (if loaded) [string]
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phantomas.setMetric('jQueryOnDOMReadyFunctions'); // @desc number of functions bound to onDOMReady event
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phantomas.setMetric('jQuerySizzleCalls'); // @desc number of calls to Sizzle (including those that will be resolved using querySelectorAll)
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phantomas.setMetric('jQuerySizzleCallsDuplicated'); // @desc number of calls on the same Sizzle request
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phantomas.setMetric('jQueryDifferentVersions'); //@desc number of different jQuery versions loaded on the page (not counting iframes)
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var jQueryFunctions = [
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// DOM manipulations
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'html',
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'append',
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'appendTo',
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'prepend',
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'prependTo',
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'before',
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'insertBefore',
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'after',
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'insertAfter',
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'remove',
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'detach',
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'empty',
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'clone',
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'replaceWith',
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'replaceAll',
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'text',
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'wrap',
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'wrapAll',
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'wrapInner',
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'unwrap',
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// Style manipulations
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'css',
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'offset',
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'position',
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'height',
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'innerHeight',
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'outerHeight',
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'width',
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'innerWidth',
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'outerWidth',
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'scrollLeft',
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'scrollTop',
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// generic events
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'on',
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'off',
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'live',
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'die',
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'delegate',
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'undelegate',
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'one',
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'unbind',
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// more events
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'blur',
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'change',
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'click',
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'dblclick',
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'error',
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'focus',
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'focusin',
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'focusout',
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'hover',
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'keydown',
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'keypress',
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'keyup',
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'load',
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'mousedown',
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'mouseenter',
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'mouseleave',
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'mousemove',
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'mouseout',
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'mouseover',
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'mouseup',
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'resize',
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'scroll',
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'select',
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'submit',
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'toggle',
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'unload',
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// attributes
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'attr',
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'prop',
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'removeAttr',
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'removeProp',
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'val',
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'hasClass',
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'addClass',
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'removeClass',
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'toggleClass'
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];
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// spy calls to jQuery functions
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phantomas.once('init', function() {
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phantomas.evaluate(function(jQueryFunctions) {
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(function(phantomas) {
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var jQuery;
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// TODO: create a helper - phantomas.spyGlobalVar() ?
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window.__defineSetter__('jQuery', function(val) {
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var version;
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var jQueryFn;
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var oldJQuery = jQuery;
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if (!val || !val.fn) {
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phantomas.log('jQuery: unable to detect version!');
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return;
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}
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version = val.fn.jquery;
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jQuery = val;
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jQueryFn = val.fn;
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// Older jQuery (v?.?) compatibility
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if (!jQueryFn) {
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jQueryFn = jQuery;
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}
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phantomas.log('jQuery: loaded v' + version);
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phantomas.setMetric('jQueryVersion', version);
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phantomas.emit('jQueryLoaded', version);
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phantomas.pushContext({
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type: (oldJQuery) ? 'jQuery version change' : 'jQuery loaded',
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callDetails: {
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arguments: ['version ' + version]
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},
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backtrace: phantomas.getBacktrace()
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});
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// jQuery.ready.promise
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// works for jQuery 1.8.0+ (released Aug 09 2012)
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phantomas.spy(val.ready, 'promise', function(func) {
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phantomas.incrMetric('jQueryOnDOMReadyFunctions');
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phantomas.pushContext({
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type: 'jQuery - onDOMReady',
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callDetails: {
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arguments: [func]
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},
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backtrace: phantomas.getBacktrace()
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});
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}) || phantomas.log('jQuery: can not measure jQueryOnDOMReadyFunctions (jQuery used on the page is too old)!');
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// Sizzle calls - jQuery.find
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// works for jQuery 1.3+ (released Jan 13 2009)
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phantomas.spy(val, 'find', function(selector, context) {
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phantomas.incrMetric('jQuerySizzleCalls');
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phantomas.emit('onSizzleCall', selector + ' (context: ' + (phantomas.getDOMPath(context) || 'unknown') + ')');
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phantomas.enterContext({
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type: 'jQuery - find',
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callDetails: {
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context: {
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length: this.length,
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firstElementPath: phantomas.getDOMPath(context)
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},
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arguments: [selector]
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},
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backtrace: phantomas.getBacktrace()
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});
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}, function(result) {
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var moreData = {
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resultsNumber : (result && result.length) ? result.length : 0
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};
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phantomas.leaveContext(moreData);
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}) || phantomas.log('jQuery: can not measure jQuerySizzleCalls (jQuery used on the page is too old)!');
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// $().bind - jQuery.bind
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// works for jQuery v?.?
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phantomas.spy(jQueryFn, 'bind', function(eventTypes, func) {
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phantomas.enterContext({
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type: 'jQuery - bind',
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callDetails: {
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context: {
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length: this.length,
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firstElementPath: phantomas.getDOMPath(this[0]),
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selector: this.selector
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},
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arguments: [eventTypes, func]
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},
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backtrace: phantomas.getBacktrace()
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});
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}, function(result) {
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phantomas.leaveContext();
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}) || phantomas.log('jQuery: can not measure jQueryBindCalls (jQuery used on the page is too old)!');
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// Add spys on many jQuery functions
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jQueryFunctions.forEach(function(functionName) {
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var capitalizedName = functionName.substring(0,1).toUpperCase() + functionName.substring(1);
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phantomas.spy(jQueryFn, functionName, function(args) {
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// Clean args
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args = [].slice.call(arguments);
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args.forEach(function(arg, index) {
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if (arg instanceof Object) {
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if (arg instanceof jQuery || (arg.jquery && arg.jquery.length > 0)) {
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arg = phantomas.getDOMPath(arg[0]) || 'unknown';
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} else if (arg instanceof HTMLElement) {
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arg = phantomas.getDOMPath(arg) || 'unknown';
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} else if (typeof arg === 'function') {
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arg = '(function)';
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} else {
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try {
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arg = JSON.stringify(arg);
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} catch(e) {
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arg = '[Object]';
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}
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}
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}
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if ((typeof arg === 'string' || arg instanceof String) && arg.length > 200) {
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arg = arg.substring(0, 200) + '...';
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}
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if (typeof arg === 'function') {
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arg = '(function)';
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}
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if (arg === true) {
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arg = 'true';
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}
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if (arg === false) {
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arg = 'false';
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}
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if (arg === null) {
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arg = 'null';
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}
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if (typeof arg !== 'number' && typeof arg !== 'string' && !(arg instanceof String)) {
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arg = 'undefined';
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}
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args[index] = arg;
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});
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phantomas.enterContext({
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type: 'jQuery - ' + functionName,
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callDetails: {
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context: {
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length: this.length,
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firstElementPath: phantomas.getDOMPath(this[0])
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},
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arguments: args
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},
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backtrace: phantomas.getBacktrace()
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});
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}, function(result) {
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phantomas.leaveContext();
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}) || phantomas.log('jQuery: can not track jQuery - ' + capitalizedName + ' (this version of jQuery doesn\'t support it)');
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});
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});
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window.__defineGetter__('jQuery', function() {
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return jQuery;
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});
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})(window.__phantomas);
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}, jQueryFunctions);
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});
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// count Sizzle calls to detect duplicated queries
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var Collection = require('../../../../../../node_modules/phantomas/lib/collection'),
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sizzleCalls = new Collection(),
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jQueryLoading = new Collection();
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phantomas.on('onSizzleCall', function(request) {
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sizzleCalls.push(request);
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});
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phantomas.on('jQueryLoaded', function(version) {
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jQueryLoading.push(version);
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});
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phantomas.on('report', function() {
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sizzleCalls.sort().forEach(function(id, cnt) {
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if (cnt > 1) {
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phantomas.incrMetric('jQuerySizzleCallsDuplicated');
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phantomas.addOffender('jQuerySizzleCallsDuplicated', '%s: %d', id, cnt);
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}
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});
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jQueryLoading.forEach(function(version) {
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phantomas.incrMetric('jQueryDifferentVersions');
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phantomas.addOffender('jQueryDifferentVersions', '%s', version);
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});
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});
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};
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