41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ComponentRef} from '@angular/core';
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import {exportNgVar} from '../../dom/util';
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import {AngularProfiler} from './common_tools';
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const PROFILER_GLOBAL_NAME = 'profiler';
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/**
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* Enabled Angular debug tools that are accessible via your browser's
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* developer console.
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*
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* Usage:
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*
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* 1. Open developer console (e.g. in Chrome Ctrl + Shift + j)
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* 1. Type `ng.` (usually the console will show auto-complete suggestion)
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* 1. Try the change detection profiler `ng.profiler.timeChangeDetection()`
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* then hit Enter.
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*
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* @experimental All debugging apis are currently experimental.
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*/
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export function enableDebugTools<T>(ref: ComponentRef<T>): ComponentRef<T> {
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exportNgVar(PROFILER_GLOBAL_NAME, new AngularProfiler(ref));
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return ref;
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}
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/**
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* Disables Angular tools.
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*
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* @experimental All debugging apis are currently experimental.
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*/
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export function disableDebugTools(): void {
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exportNgVar(PROFILER_GLOBAL_NAME, null);
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}
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