37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
import { EnvironmentInjector, inject, runInInjectionContext } from '@angular/core';
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import { ActivatedRouteSnapshot, CanActivateFn, GuardResult, RouterStateSnapshot } from '@angular/router';
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import { isObservable, lastValueFrom } from 'rxjs';
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/**
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* This guard is used to run multiple guards serially.
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*
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* @param guards List of guards to run serially.
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* @returns A guard that runs the provided guards serially.
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*/
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export const runGuardsSerially = (...guards: CanActivateFn[]): CanActivateFn => {
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return async (route: ActivatedRouteSnapshot, state: RouterStateSnapshot) => {
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const injector = inject(EnvironmentInjector);
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for (const guard of guards) {
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const result = runInInjectionContext(injector, () => guard(route, state));
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let resolvedResult: GuardResult;
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if (result instanceof Promise) {
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resolvedResult = await result;
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} else if (isObservable(result)) {
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resolvedResult = await lastValueFrom(result);
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} else {
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resolvedResult = result;
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}
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if (typeof resolvedResult === 'boolean' && !resolvedResult) {
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return false;
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} else if (typeof resolvedResult !== 'boolean') {
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return resolvedResult;
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}
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}
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return true;
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};
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};
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