关于SonarLanguage是什么东东,这里就不在描述了,如果你对它感兴趣的话,请移步到上篇随笔开源:Angularjs示例--Sonar中项目使用语言分布图。这里是最近学习CoffeeScript的练习版。
CoffeeScript是一门简洁的,构架于JavaScript之上的预处理器语言,可以静态编译成JavaScript,语法主要受ruby和python影响,目前已经为众多rails和node项目采用。CoffeeScript不是JavaScript的超集,也不是完全替代品。CoffeeScript有点在于:
更少,更紧凑,和更清晰的代码
通过规避和改变对JavaScript中不良部分的使用,只留下精华,让代码减少出错率,更容易维护
在很多常用模式的实现上采用了JavaScript中的最佳实践
CoffeeScript生成的JavaScript代码都可以完全通过JSLint的检测
多的也不想说那么多了,这里主要是个简介,CoffeeScript的练笔示例。
代码如下:
app = angular.module('app', []) .value("$host", "http://nemo.sonarsource.org") .factory("$requestUrl", ($host) -> "#{$host}/api/resources") .factory("$dynamicColor", ($host) -> [r,g,b] = [10,10,0] { getColor: -> [r,g,b] = [(r+100), (g+400), (b + 200)] "##{(r + 256 * g + 65536 * b).toString 16 }" , reset: -> [r,g,b] = [10,10,0] }; ).directive('chartData', -> drawChart = (elementId, data) -> chart = new AmCharts.AmPieChart() chart.dataProvider = data chart.titleField = "name" chart.valueField = "percentage" chart.colorField = "color" chart.labelsEnabled = false chart.pullOutRadius = 0 chart.depth3D = 20 chart.angle = 45 legend = new AmCharts.AmLegend() legend.makerType = "square" legend.align = "center" chart.addLegend legend chart.write elementId chart; (scope, element, attr) -> scope.already.push( -> data = scope.$eval(attr.chartData); drawChart(element[0].id, data); ) if element[0].id ) report = ($scope, $window, $http, $requestUrl, $dynamicColor) -> $scope.already = [] $window.angularJsonpCallBack = (data) -> @data = data getObjectByKey = (msr , key) -> m for m in msr when m.key == key $scope.gridSource = $scope.projects = data ready = (queues) -> angular.forEach(queues, (q) -> q() ) ready $scope.already $scope.getLanguageChartData = -> data = _.groupBy $scope.projects , (project) -> project.lang $dynamicColor.reset() chartData = _.map(data, (array, key) -> "name":key "percentage":array.length, "color":$dynamicColor.getColor()) _.sortBy(chartData, (num) -> num.percentage ) $scope.search = -> source = [] if not this.searchName source = @projects else source = _.filter @projects, (p) -> p.name.toLowerCase().indexOf $scope.searchName.toLowerCase() != -1 source = _.sortBy(source, (p) -> p[$scope.sortCondition.key].toLowerCase()) if @sortCondition and @sortCondition.key source.reverse() if @sortCondition.sort and not @sortCondition.sort[$scope.sortCondition.key] @gridSource = source $scope.sort = (name) -> @sortCondition ?= {} @sortCondition.sort ?= {} @sortCondition.key = name @sortCondition.sort[name] = not @sortCondition.sort[name] @search(); $scope.init = -> $http.jsonp "#{$requestUrl}?callback=angularJsonpCallBack" app.controller "report", report
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