package.esm2022.src.utils.navigations.mjs Maven / Gradle / Ivy

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/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */
import { filter, map, take } from 'rxjs/operators';
import { NavigationCancel, NavigationCancellationCode, NavigationEnd, NavigationError, NavigationSkipped, } from '../events';
var NavigationResult;
(function (NavigationResult) {
    NavigationResult[NavigationResult["COMPLETE"] = 0] = "COMPLETE";
    NavigationResult[NavigationResult["FAILED"] = 1] = "FAILED";
    NavigationResult[NavigationResult["REDIRECTING"] = 2] = "REDIRECTING";
})(NavigationResult || (NavigationResult = {}));
/**
 * Performs the given action once the router finishes its next/current navigation.
 *
 * The navigation is considered complete under the following conditions:
 * - `NavigationCancel` event emits and the code is not `NavigationCancellationCode.Redirect` or
 * `NavigationCancellationCode.SupersededByNewNavigation`. In these cases, the
 * redirecting/superseding navigation must finish.
 * - `NavigationError`, `NavigationEnd`, or `NavigationSkipped` event emits
 */
export function afterNextNavigation(router, action) {
    router.events
        .pipe(filter((e) => e instanceof NavigationEnd ||
        e instanceof NavigationCancel ||
        e instanceof NavigationError ||
        e instanceof NavigationSkipped), map((e) => {
        if (e instanceof NavigationEnd || e instanceof NavigationSkipped) {
            return NavigationResult.COMPLETE;
        }
        const redirecting = e instanceof NavigationCancel
            ? e.code === NavigationCancellationCode.Redirect ||
                e.code === NavigationCancellationCode.SupersededByNewNavigation
            : false;
        return redirecting ? NavigationResult.REDIRECTING : NavigationResult.FAILED;
    }), filter((result) => result !== NavigationResult.REDIRECTING), take(1))
        .subscribe(() => {
        action();
    });
}
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