@exalif/ngx-breadcrumbs/esm2022/lib/services/breadcrumbs.service.mjs

Angular 4+ breadcrumbs on top of native Angular router

import { Injectable, Injector } from '@angular/core';
import { ActivatedRoute, NavigationEnd, Router } from '@angular/router';
import { of, BehaviorSubject, concat } from 'rxjs';
import { filter, flatMap, distinct, toArray, first, tap } from 'rxjs/operators';
import { BreadcrumbsConfig } from './breadcrumbs.config';
import { BreadcrumbsResolver } from './breadcrumbs.resolver';
import { BreadcrumbsUtils } from '../utils/breadcrumbs.utils';
import * as i0 from "@angular/core";
import * as i1 from "@angular/router";
import * as i2 from "./breadcrumbs.config";
class BreadcrumbsService {
    constructor(route, router, config, injector) {
        this.route = route;
        this.router = router;
        this.config = config;
        this.injector = injector;
        this.breadcrumbs = new BehaviorSubject([]);
        this.defaultResolver = new BreadcrumbsResolver();
        this.router.events.pipe(filter((x) => x instanceof NavigationEnd))
            .subscribe((_) => {
            const routeRoot = router.routerState.snapshot.root;
            this.resolveCrumbs(routeRoot).pipe(flatMap((crumbs) => crumbs), this.config.applyDistinctOn
                ? distinct((crumb) => crumb[this.config.applyDistinctOn])
                : tap(), toArray(), flatMap((crumbs) => {
                if (this.config.postProcess) {
                    const postProcessedCrumb = this.config.postProcess(crumbs);
                    return BreadcrumbsUtils.wrapIntoObservable(postProcessedCrumb).pipe(first());
                }
                else {
                    return of(crumbs);
                }
            }))
                .subscribe((crumbs) => {
                this.breadcrumbs.next(crumbs);
            });
        });
    }
    get crumbs$() {
        return this.breadcrumbs;
    }
    getCrumbs() {
        return this.crumbs$;
    }
    resolveCrumbs(route) {
        let crumbs$;
        const data = route.routeConfig && route.routeConfig.data;
        if (data && data.breadcrumbs) {
            let resolver;
            if (data.breadcrumbs.prototype instanceof BreadcrumbsResolver) {
                resolver = this.injector.get(data.breadcrumbs);
            }
            else {
                resolver = this.defaultResolver;
            }
            const result = resolver.resolve(route, this.router.routerState.snapshot);
            crumbs$ = BreadcrumbsUtils.wrapIntoObservable(result).pipe(first());
        }
        else {
            crumbs$ = of([]);
        }
        if (route.firstChild) {
            crumbs$ = concat(crumbs$, this.resolveCrumbs(route.firstChild));
        }
        return crumbs$;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.1", ngImport: i0, type: BreadcrumbsService, deps: [{ token: i1.ActivatedRoute }, { token: i1.Router }, { token: i2.BreadcrumbsConfig }, { token: i0.Injector }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.0.1", ngImport: i0, type: BreadcrumbsService }); }
}
export { BreadcrumbsService };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.1", ngImport: i0, type: BreadcrumbsService, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: i1.ActivatedRoute }, { type: i1.Router }, { type: i2.BreadcrumbsConfig }, { type: i0.Injector }]; } });
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