36 lines
1.0 KiB
TypeScript
36 lines
1.0 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 {ɵLifecycleHooks, ɵreflector} from '@angular/core';
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export function hasLifecycleHook(hook: ɵLifecycleHooks, token: any): boolean {
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return ɵreflector.hasLifecycleHook(token, getHookName(hook));
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}
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function getHookName(hook: ɵLifecycleHooks): string {
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switch (hook) {
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case ɵLifecycleHooks.OnInit:
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return 'ngOnInit';
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case ɵLifecycleHooks.OnDestroy:
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return 'ngOnDestroy';
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case ɵLifecycleHooks.DoCheck:
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return 'ngDoCheck';
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case ɵLifecycleHooks.OnChanges:
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return 'ngOnChanges';
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case ɵLifecycleHooks.AfterContentInit:
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return 'ngAfterContentInit';
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case ɵLifecycleHooks.AfterContentChecked:
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return 'ngAfterContentChecked';
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case ɵLifecycleHooks.AfterViewInit:
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return 'ngAfterViewInit';
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case ɵLifecycleHooks.AfterViewChecked:
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return 'ngAfterViewChecked';
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}
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}
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