Code coverage report for bower_components/todomvc-common/base.js

Statements: 35.92% (37 / 103)      Branches: 20.69% (12 / 58)      Functions: 50% (8 / 16)      Lines: 38.14% (37 / 97)      Ignored: none     

All files » bower_components/todomvc-common/ » base.js
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(function () {
	'use strict';
 
	// Underscore's Template Module
	// Courtesy of underscorejs.org
	var _ = (function (_) {
		_.defaults = function (object) {
			if (!object) {
				return object;
			}
			for (var argsIndex = 1, argsLength = arguments.length; argsIndex < argsLength; argsIndex++) {
				var iterable = arguments[argsIndex];
				if (iterable) {
					for (var key in iterable) {
						if (object[key] == null) {
							object[key] = iterable[key];
						}
					}
				}
			}
			return object;
		}
 
		// By default, Underscore uses ERB-style template delimiters, change the
		// following template settings to use alternative delimiters.
		_.templateSettings = {
			evaluate    : /<%([\s\S]+?)%>/g,
			interpolate : /<%=([\s\S]+?)%>/g,
			escape      : /<%-([\s\S]+?)%>/g
		};
 
		// When customizing `templateSettings`, if you don't want to define an
		// interpolation, evaluation or escaping regex, we need one that is
		// guaranteed not to match.
		var noMatch = /(.)^/;
 
		// Certain characters need to be escaped so that they can be put into a
		// string literal.
		var escapes = {
			"'":      "'",
			'\\':     '\\',
			'\r':     'r',
			'\n':     'n',
			'\t':     't',
			'\u2028': 'u2028',
			'\u2029': 'u2029'
		};
 
		var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
 
		// JavaScript micro-templating, similar to John Resig's implementation.
		// Underscore templating handles arbitrary delimiters, preserves whitespace,
		// and correctly escapes quotes within interpolated code.
		_.template = function(text, data, settings) {
			var render;
			settings = _.defaults({}, settings, _.templateSettings);
 
			// Combine delimiters into one regular expression via alternation.
			var matcher = new RegExp([
				(settings.escape || noMatch).source,
				(settings.interpolate || noMatch).source,
				(settings.evaluate || noMatch).source
			].join('|') + '|$', 'g');
 
			// Compile the template source, escaping string literals appropriately.
			var index = 0;
			var source = "__p+='";
			text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
				source += text.slice(index, offset)
					.replace(escaper, function(match) { return '\\' + escapes[match]; });
 
				if (escape) {
					source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
				}
				if (interpolate) {
					source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
				}
				if (evaluate) {
					source += "';\n" + evaluate + "\n__p+='";
				}
				index = offset + match.length;
				return match;
			});
			source += "';\n";
 
			// If a variable is not specified, place data values in local scope.
			if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
 
			source = "var __t,__p='',__j=Array.prototype.join," +
				"print=function(){__p+=__j.call(arguments,'');};\n" +
				source + "return __p;\n";
 
			try {
				render = new Function(settings.variable || 'obj', '_', source);
			} catch (e) {
				e.source = source;
				throw e;
			}
 
			if (data) return render(data, _);
			var template = function(data) {
				return render.call(this, data, _);
			};
 
			// Provide the compiled function source as a convenience for precompilation.
			template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
 
			return template;
		};
 
		return _;
	})({});
 
	Iif (location.hostname === 'todomvc.com') {
		window._gaq = [['_setAccount','UA-31081062-1'],['_trackPageview']];(function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];g.src='//www.google-analytics.com/ga.js';s.parentNode.insertBefore(g,s)}(document,'script'));
	}
 
	function redirect() {
		Iif (location.hostname === 'tastejs.github.io') {
			location.href = location.href.replace('tastejs.github.io/todomvc', 'todomvc.com');
		}
	}
 
	function findRoot() {
		var base;
 
		[/labs/, /\w*-examples/].forEach(function (href) {
			var match = location.href.match(href);
 
			Iif (!base && match) {
				base = location.href.indexOf(match);
			}
		});
 
		return location.href.substr(0, base);
	}
 
	function getFile(file, callback) {
		Iif (!location.host) {
			return console.info('Miss the info bar? Run TodoMVC from a server to avoid a cross-origin error.');
		}
 
		var xhr = new XMLHttpRequest();
 
		xhr.open('GET', findRoot() + file, true);
		xhr.send();
 
		xhr.onload = function () {
			Eif (xhr.status === 200 && callback) {
				callback(xhr.responseText);
			}
		};
	}
 
	function Learn(learnJSON, config) {
		if (!(this instanceof Learn)) {
			return new Learn(learnJSON, config);
		}
 
		var template, framework;
 
		Eif (typeof learnJSON !== 'object') {
			try {
				learnJSON = JSON.parse(learnJSON);
			} catch (e) {
				return;
			}
		}
 
		if (config) {
			template = config.template;
			framework = config.framework;
		}
 
		if (!template && learnJSON.templates) {
			template = learnJSON.templates.todomvc;
		}
 
		if (!framework && document.querySelector('[data-framework]')) {
			framework = document.querySelector('[data-framework]').getAttribute('data-framework');
		}
 
 
		if (template && learnJSON[framework]) {
			this.frameworkJSON = learnJSON[framework];
			this.template = template;
 
			this.append();
		}
	}
 
	Learn.prototype.append = function () {
		var aside = document.createElement('aside');
		aside.innerHTML = _.template(this.template, this.frameworkJSON);
		aside.className = 'learn';
 
		// Localize demo links
		var demoLinks = aside.querySelectorAll('.demo-link');
		Array.prototype.forEach.call(demoLinks, function (demoLink) {
			demoLink.setAttribute('href', findRoot() + demoLink.getAttribute('href'));
		});
 
		document.body.className = (document.body.className + ' learn-bar').trim();
		document.body.insertAdjacentHTML('afterBegin', aside.outerHTML);
	};
 
	redirect();
	getFile('learn.json', Learn);
})();