mirror of
https://github.com/Hopiu/angular.js.git
synced 2026-03-17 07:40:22 +00:00
f16150d5f1
we now have two types of namespaces: - true namespace: angular.* - used for all global apis - virtual namespace: ng.*, ngMock.*, ... - used for all DI modules the virual namespaces have services under the second namespace level (e.g. ng.) and filters and directives prefixed with filter: and directive: respectively (e.g. ng.filter:orderBy, ng.directive:ngRepeat) this simplifies urls and makes them a lot shorter while still avoiding name collisions
116 lines
2.9 KiB
JavaScript
116 lines
2.9 KiB
JavaScript
'use strict';
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/**
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* @ngdoc object
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* @name ng.$log
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* @requires $window
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*
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* @description
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* Simple service for logging. Default implementation writes the message
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* into the browser's console (if present).
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*
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* The main purpose of this service is to simplify debugging and troubleshooting.
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*
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* @example
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<doc:example>
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<doc:source>
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<script>
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function LogCtrl($log) {
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this.$log = $log;
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this.message = 'Hello World!';
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}
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</script>
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<div ng-controller="LogCtrl">
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<p>Reload this page with open console, enter text and hit the log button...</p>
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Message:
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<input type="text" ng-model="message"/>
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<button ng-click="$log.log(message)">log</button>
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<button ng-click="$log.warn(message)">warn</button>
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<button ng-click="$log.info(message)">info</button>
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<button ng-click="$log.error(message)">error</button>
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</div>
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</doc:source>
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<doc:scenario>
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</doc:scenario>
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</doc:example>
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*/
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function $LogProvider(){
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this.$get = ['$window', function($window){
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return {
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/**
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* @ngdoc method
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* @name ng.$log#log
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* @methodOf ng.$log
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*
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* @description
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* Write a log message
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*/
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log: consoleLog('log'),
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/**
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* @ngdoc method
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* @name ng.$log#warn
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* @methodOf ng.$log
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*
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* @description
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* Write a warning message
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*/
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warn: consoleLog('warn'),
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/**
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* @ngdoc method
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* @name ng.$log#info
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* @methodOf ng.$log
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*
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* @description
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* Write an information message
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*/
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info: consoleLog('info'),
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/**
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* @ngdoc method
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* @name ng.$log#error
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* @methodOf ng.$log
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*
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* @description
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* Write an error message
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*/
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error: consoleLog('error')
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};
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function formatError(arg) {
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if (arg instanceof Error) {
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if (arg.stack) {
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arg = (arg.message && arg.stack.indexOf(arg.message) === -1)
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? 'Error: ' + arg.message + '\n' + arg.stack
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: arg.stack;
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} else if (arg.sourceURL) {
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arg = arg.message + '\n' + arg.sourceURL + ':' + arg.line;
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}
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}
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return arg;
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}
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function consoleLog(type) {
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var console = $window.console || {},
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logFn = console[type] || console.log || noop;
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if (logFn.apply) {
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return function() {
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var args = [];
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forEach(arguments, function(arg) {
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args.push(formatError(arg));
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});
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return logFn.apply(console, args);
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};
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}
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// we are IE which either doesn't have window.console => this is noop and we do nothing,
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// or we are IE where console.log doesn't have apply so we log at least first 2 args
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return function(arg1, arg2) {
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logFn(arg1, arg2);
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}
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}
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}];
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}
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