angular2
Version:
Angular 2 - a web framework for modern web apps
28 lines • 3.92 kB
JavaScript
import { Type } from 'angular2/src/facade/lang';
import { LifecycleHooks } from 'angular2/src/core/metadata/lifecycle_hooks';
export function hasLifecycleHook(lcInterface, token) {
if (!(token instanceof Type))
return false;
var proto = token.prototype;
switch (lcInterface) {
case LifecycleHooks.AfterContentInit:
return !!proto.ngAfterContentInit;
case LifecycleHooks.AfterContentChecked:
return !!proto.ngAfterContentChecked;
case LifecycleHooks.AfterViewInit:
return !!proto.ngAfterViewInit;
case LifecycleHooks.AfterViewChecked:
return !!proto.ngAfterViewChecked;
case LifecycleHooks.OnChanges:
return !!proto.ngOnChanges;
case LifecycleHooks.DoCheck:
return !!proto.ngDoCheck;
case LifecycleHooks.OnDestroy:
return !!proto.ngOnDestroy;
case LifecycleHooks.OnInit:
return !!proto.ngOnInit;
default:
return false;
}
}
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