ngx-back-button/fesm2022/ngx-back-button.mjs.map

A library for handling a proper angular back button capability

{"version":3,"file":"ngx-back-button.mjs","sources":["../../../projects/ngx-back-button/src/lib/ngx-back-button.const.ts","../../../projects/ngx-back-button/src/lib/ngx-back-button.service.ts","../../../projects/ngx-back-button/src/lib/ngx-back-button.directive.ts","../../../projects/ngx-back-button/src/public-api.ts","../../../projects/ngx-back-button/src/ngx-back-button.ts"],"sourcesContent":["import { InjectionToken } from '@angular/core'\nimport { NgxBackButtonServiceConfig } from './ngx-back-button.interface'\n\nexport const NgxBackButtonServiceProvider = new InjectionToken<NgxBackButtonServiceConfig>(\n  'NgxBackButtonServiceConfig',\n)\n","import { Location } from '@angular/common'\nimport { inject, Injectable } from '@angular/core'\nimport { NavigationEnd, Router } from '@angular/router'\nimport { filter, skip } from 'rxjs'\nimport { NgxBackButtonServiceProvider } from './ngx-back-button.const'\n\n@Injectable({\n  providedIn: 'root',\n})\nexport class NgxBackButtonService {\n  readonly #router = inject(Router)\n  readonly #location = inject(Location)\n  readonly #config = inject(NgxBackButtonServiceProvider, { optional: true })\n\n  private _history: string[] = []\n  private _rootUrl!: string // Default Fallback in case we do not have any navigation history\n  private _fallbackPrefix!: string // Always added in case of a Fallback (Useful when used within other libraries)\n\n  private _navigatingBack = false\n\n  constructor() {\n    this._rootUrl = this.#config?.rootUrl || ''\n    this._fallbackPrefix = this.#config?.fallbackPrefix || ''\n\n    this.#router.events\n      .pipe(\n        filter((e): e is NavigationEnd => e instanceof NavigationEnd),\n        skip(1), // Skip the first event (initial load)\n      )\n      .subscribe((event) => {\n        if (!this._navigatingBack) this._history.push(event.urlAfterRedirects)\n\n        this._navigatingBack = false\n      })\n  }\n\n  getHistory(): string[] {\n    return this._history\n  }\n\n  /**\n   *\n   * @param fallback\n   * @return Boolean: True === Had an history to go back to\n   */\n  back(fallback?: string): boolean {\n    this._navigatingBack = true\n\n    const record = this._history.pop()\n\n    if (this._history.length > 0) {\n      this.#location.back()\n      return true\n    } else {\n      this._navigatingBack = false // Give an element to go back to on next navigation\n\n      try {\n        window.history.replaceState(null, '', this._fallbackPrefix + (fallback || this._rootUrl))\n      } catch (error) {\n        console.error('NgxBackButton: ' + error)\n      }\n\n      window.history.pushState(null, '', record ?? this.#router.url)\n      this.#location.back()\n      return false\n    }\n  }\n}\n","import { Directive, HostListener, Input } from '@angular/core'\nimport { NgxBackButtonService } from './ngx-back-button.service'\n\n@Directive({\n  selector: '[ngxBackButton]',\n})\nexport class NgxBackButtonDirective {\n  @Input() ngxBackButton?: string\n\n  constructor(private _ngxBackButtonService: NgxBackButtonService) {}\n\n  @HostListener('click')\n  onClick(): void {\n    this._ngxBackButtonService.back(this.ngxBackButton)\n  }\n}\n","/*\n * Public API Surface of ngx-back-button\n */\n\nexport * from './lib/ngx-back-button.const'\nexport * from './lib/ngx-back-button.directive'\nexport * from './lib/ngx-back-button.service'\n","/**\n * Generated bundle index. 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