34 lines
676 B
TypeScript
34 lines
676 B
TypeScript
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// #docregion
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import {Directive, Input,
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OnInit, OnDestroy} from 'angular2/core';
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import {LoggerService} from './logger.service';
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/***************************************/
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let nextId = 1;
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// Spy on any element to which it is applied.
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// Usage: <div my-spy>...</div>
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@Directive({selector: '[my-spy]'})
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export class Spy implements OnInit, OnDestroy {
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private _id = nextId++;
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private _logger:LoggerService;
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constructor(logger:LoggerService){
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this._logger = logger;
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}
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ngOnInit() {
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this._logIt(`onInit`);
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}
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ngOnDestroy() {
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this._logIt(`onDestroy`);
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}
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private _logIt(msg:string){
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this._logger.log(`Spy #${this._id } ${msg}`);
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}
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}
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