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Javascript 2022-01-23 03:21:01
warn user before leaving page angular
import { CanDeactivate } from '@angular/router'; import { Injectable } from '@angular/core'; import { Observable } from 'rxjs/Observable'; export interface ComponentCanDeactivate { canDeactivate: () => boolean | Observable<boolean>; } @Inject... Add solution -
TypeScript 2021-11-21 07:10:14
react typescript custom hook
export function useLoading() { const [isLoading, setState] = React.useState(false); const load = (aPromise: Promise<any>) => { setState(true); return aPromise.finally(() => setState(false)); }; return [isLoading, load] as const... Add solution -
TypeScript 2021-10-21 19:22:05
nestjs role guard
import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common'; import { Observable } from 'rxjs'; @Injectable() export class RolesGuard implements CanActivate { canActivate( context: ExecutionContext, ): boolean | Promise<boolean&... Add solution