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cfc-ds

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Design System do Conselho Federal de Contabilidade baseado no govbr-ds

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import { Component } from '@angular/core'; import { NavigationEnd } from '@angular/router'; import { filter } from 'rxjs'; import * as i0 from "@angular/core"; import * as i1 from "@angular/router"; import * as i2 from "@angular/common"; export class BreadcrumbComponent { router; activatedRoute; /** Lista de breadcrumbs gerados */ links = []; /** Inscrição para monitorar mudanças na rota */ routeSubscription; constructor(router, activatedRoute) { this.router = router; this.activatedRoute = activatedRoute; } /** Inicializa o componente e observa mudanças de rota */ ngOnInit() { this.updateBreadcrumbs(); this.routeSubscription = this.router.events.pipe(filter(event => event instanceof NavigationEnd)).subscribe(() => { this.updateBreadcrumbs(); }); } /** Atualiza os breadcrumbs com base na rota ativa */ updateBreadcrumbs() { const breadcrumbs = this.buildBreadcrumbs(this.router.routerState.root); this.removeLastBreadcrumbUrl(breadcrumbs); this.links = breadcrumbs; } /** * Constrói os breadcrumbs recursivamente com base nas rotas ativadas. * @param route Rota ativa. * @param breadcrumbs Lista de breadcrumbs acumulada. * @returns Lista de BreadcrumbLink atualizada. */ buildBreadcrumbs(route, breadcrumbs = []) { route.children.forEach((child) => { const routeSegment = this.getRouteURL(child); const label = this.getBreadcrumbLabel(child.snapshot.data); const fullPath = this.buildFullPath(routeSegment, breadcrumbs); if (label && !this.isDuplicateBreadcrumb(breadcrumbs, label)) { breadcrumbs.push({ label, url: fullPath, target: '_self' }); } this.buildBreadcrumbs(child, breadcrumbs); }); return breadcrumbs; } /** * Obtém o segmento da URL da rota atual. * @param route Rota atual. * @returns Segmento da URL ou string vazia. */ getRouteURL(route) { return route.snapshot.url.length > 0 ? route.snapshot.url.map(segment => segment.path).join('/') : ''; } /** * Constrói o caminho completo concatenando segmentos anteriores. * @param routeSegment Segmento atual da rota. * @param breadcrumbs Lista de breadcrumbs acumulada. * @returns Caminho completo da URL. */ buildFullPath(routeSegment, breadcrumbs) { if (!routeSegment) return ''; const previousPath = breadcrumbs.length > 0 ? breadcrumbs[breadcrumbs.length - 1].url : ''; return previousPath ? `${previousPath}/${routeSegment}` : `/${routeSegment}`; } /** * Obtém o rótulo do breadcrumb a partir dos dados da rota. * @param data Dados da rota. * @returns Rótulo do breadcrumb ou null. */ getBreadcrumbLabel(data) { const label = data['breadcrumb']; return label && typeof label === 'string' && label.trim() ? label.trim() : null; } /** * Remove a URL do último breadcrumb para evitar que seja clicável. * @param breadcrumbs Lista de breadcrumbs. */ removeLastBreadcrumbUrl(breadcrumbs) { if (breadcrumbs.length > 0) { breadcrumbs[breadcrumbs.length - 1].url = undefined; } } /** * Verifica se um breadcrumb já existe na lista para evitar duplicatas. * @param breadcrumbs Lista de breadcrumbs acumulada. * @param label Nome do breadcrumb a verificar. * @returns Verdadeiro se o breadcrumb já existir, falso caso contrário. */ isDuplicateBreadcrumb(breadcrumbs, label) { return breadcrumbs.some(bc => bc.label === label); } /** Cancela a inscrição ao destruir o componente */ ngOnDestroy() { this.routeSubscription?.unsubscribe(); } static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: BreadcrumbComponent, deps: [{ token: i1.Router }, { token: i1.ActivatedRoute }], target: i0.ɵɵFactoryTarget.Component }); static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.13", type: BreadcrumbComponent, selector: "cfc-breadcrumb", ngImport: i0, template: "<nav\r\n class=\"br-breadcrumb\"\r\n aria-label=\"Breadcrumbs\">\r\n <ul\r\n class=\"crumb-list\"\r\n style=\"padding-left: 0;\"\r\n role=\"list\">\r\n <li\r\n class=\"crumb\">\r\n <a\r\n class=\"br-button circle\"\r\n href=\"/\"\r\n target=\"_self\">\r\n <i class=\"fas fa-home\"></i>\r\n </a>\r\n </li>\r\n\r\n <li\r\n class=\"crumb\"\r\n *ngFor=\"let link of links; let last = last\">\r\n <i\r\n class=\"icon fas fa-chevron-right\">\r\n </i>\r\n\r\n <a\r\n *ngIf=\"!last\"\r\n [href]=\"link.url\"\r\n [target]=\"link.target\">\r\n <span>\r\n {{ link.label | titlecase }}\r\n </span>\r\n </a>\r\n\r\n\r\n <span\r\n *ngIf=\"last\"\r\n tabindex=\"0\"\r\n aria-current=\"page\">\r\n {{ link.label | titlecase }}\r\n </span>\r\n\r\n </li>\r\n </ul>\r\n</nav>\r\n", styles: [""], dependencies: [{ kind: "directive", type: i2.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i2.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "pipe", type: i2.TitleCasePipe, name: "titlecase" }] }); } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: BreadcrumbComponent, decorators: [{ type: Component, args: [{ selector: 'cfc-breadcrumb', template: "<nav\r\n class=\"br-breadcrumb\"\r\n aria-label=\"Breadcrumbs\">\r\n <ul\r\n class=\"crumb-list\"\r\n style=\"padding-left: 0;\"\r\n role=\"list\">\r\n <li\r\n class=\"crumb\">\r\n <a\r\n class=\"br-button circle\"\r\n href=\"/\"\r\n target=\"_self\">\r\n <i class=\"fas fa-home\"></i>\r\n </a>\r\n </li>\r\n\r\n <li\r\n class=\"crumb\"\r\n *ngFor=\"let link of links; let last = last\">\r\n <i\r\n class=\"icon fas fa-chevron-right\">\r\n </i>\r\n\r\n <a\r\n *ngIf=\"!last\"\r\n [href]=\"link.url\"\r\n [target]=\"link.target\">\r\n <span>\r\n {{ link.label | titlecase }}\r\n </span>\r\n </a>\r\n\r\n\r\n <span\r\n *ngIf=\"last\"\r\n tabindex=\"0\"\r\n aria-current=\"page\">\r\n {{ link.label | titlecase }}\r\n </span>\r\n\r\n </li>\r\n </ul>\r\n</nav>\r\n" }] }], ctorParameters: () => [{ type: i1.Router }, { type: i1.ActivatedRoute }] }); //# 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{ Component, OnDestroy, OnInit } from '@angular/core';\r\nimport { Router, ActivatedRoute, NavigationEnd, Data } from '@angular/router';\r\nimport { filter, Subscription } from 'rxjs';\r\nimport { BreadcrumbLink } from '../../models/breadcrumb.model';\r\n\r\n@Component({\r\n  selector: 'cfc-breadcrumb',\r\n  templateUrl: './breadcrumb.component.html',\r\n  styleUrls: ['./breadcrumb.component.scss']\r\n})\r\nexport class BreadcrumbComponent implements OnInit, OnDestroy {\r\n  /** Lista de breadcrumbs gerados */\r\n  links: BreadcrumbLink[] = [];\r\n\r\n  /** Inscrição para monitorar mudanças na rota */\r\n  private routeSubscription?: Subscription;\r\n\r\n  constructor(\r\n    private router: Router,\r\n    private activatedRoute: ActivatedRoute\r\n  ) {}\r\n\r\n  /** Inicializa o componente e observa mudanças de rota */\r\n  ngOnInit(): void {\r\n    this.updateBreadcrumbs();\r\n\r\n    this.routeSubscription = this.router.events.pipe(\r\n      filter(event => event instanceof NavigationEnd)\r\n    ).subscribe(() => {\r\n      this.updateBreadcrumbs();\r\n    });\r\n  }\r\n\r\n  /** Atualiza os breadcrumbs com base na rota ativa */\r\n  private updateBreadcrumbs(): void {\r\n    const breadcrumbs = this.buildBreadcrumbs(this.router.routerState.root);\r\n    this.removeLastBreadcrumbUrl(breadcrumbs);\r\n    this.links = breadcrumbs;\r\n  }\r\n\r\n  /**\r\n   * Constrói os breadcrumbs recursivamente com base nas rotas ativadas.\r\n   * @param route Rota ativa.\r\n   * @param breadcrumbs Lista de breadcrumbs acumulada.\r\n   * @returns Lista de BreadcrumbLink atualizada.\r\n   */\r\n  private buildBreadcrumbs(route: ActivatedRoute, breadcrumbs: BreadcrumbLink[] = []): BreadcrumbLink[] {\r\n    route.children.forEach((child) => {\r\n      const routeSegment = this.getRouteURL(child);\r\n      const label = this.getBreadcrumbLabel(child.snapshot.data);\r\n      const fullPath = this.buildFullPath(routeSegment, breadcrumbs);\r\n\r\n      if (label && !this.isDuplicateBreadcrumb(breadcrumbs, label)) {\r\n        breadcrumbs.push({ label, url: fullPath, target: '_self' });\r\n      }\r\n\r\n      this.buildBreadcrumbs(child, breadcrumbs);\r\n    });\r\n\r\n    return breadcrumbs;\r\n  }\r\n\r\n  /**\r\n   * Obtém o segmento da URL da rota atual.\r\n   * @param route Rota atual.\r\n   * @returns Segmento da URL ou string vazia.\r\n   */\r\n  private getRouteURL(route: ActivatedRoute): string {\r\n    return route.snapshot.url.length > 0\r\n      ? route.snapshot.url.map(segment => segment.path).join('/')\r\n      : '';\r\n  }\r\n\r\n  /**\r\n   * Constrói o caminho completo concatenando segmentos anteriores.\r\n   * @param routeSegment Segmento atual da rota.\r\n   * @param breadcrumbs Lista de breadcrumbs acumulada.\r\n   * @returns Caminho completo da URL.\r\n   */\r\n  private buildFullPath(routeSegment: string, breadcrumbs: BreadcrumbLink[]): string {\r\n    if (!routeSegment) return '';\r\n    const previousPath = breadcrumbs.length > 0 ? breadcrumbs[breadcrumbs.length - 1].url : '';\r\n    return previousPath ? `${previousPath}/${routeSegment}` : `/${routeSegment}`;\r\n  }\r\n\r\n  /**\r\n   * Obtém o rótulo do breadcrumb a partir dos dados da rota.\r\n   * @param data Dados da rota.\r\n   * @returns Rótulo do breadcrumb ou null.\r\n   */\r\n  private getBreadcrumbLabel(data: Data): string | null {\r\n    const label = data['breadcrumb'];\r\n    return label && typeof label === 'string' && label.trim() ? label.trim() : null;\r\n  }\r\n\r\n  /**\r\n   * Remove a URL do último breadcrumb para evitar que seja clicável.\r\n   * @param breadcrumbs Lista de breadcrumbs.\r\n   */\r\n  private removeLastBreadcrumbUrl(breadcrumbs: BreadcrumbLink[]): void {\r\n    if (breadcrumbs.length > 0) {\r\n      breadcrumbs[breadcrumbs.length - 1].url = undefined;\r\n    }\r\n  }\r\n\r\n  /**\r\n   * Verifica se um breadcrumb já existe na lista para evitar duplicatas.\r\n   * @param breadcrumbs Lista de breadcrumbs acumulada.\r\n   * @param label Nome do breadcrumb a verificar.\r\n   * @returns Verdadeiro se o breadcrumb já existir, falso caso contrário.\r\n   */\r\n  private isDuplicateBreadcrumb(breadcrumbs: BreadcrumbLink[], label: string): boolean {\r\n    return breadcrumbs.some(bc => bc.label === label);\r\n  }\r\n\r\n  /** Cancela a inscrição ao destruir o componente */\r\n  ngOnDestroy(): void {\r\n    this.routeSubscription?.unsubscribe();\r\n  }\r\n}\r\n","<nav\r\n  class=\"br-breadcrumb\"\r\n  aria-label=\"Breadcrumbs\">\r\n  <ul\r\n    class=\"crumb-list\"\r\n    style=\"padding-left: 0;\"\r\n    role=\"list\">\r\n    <li\r\n      class=\"crumb\">\r\n      <a\r\n        class=\"br-button circle\"\r\n        href=\"/\"\r\n        target=\"_self\">\r\n        <i class=\"fas fa-home\"></i>\r\n      </a>\r\n    </li>\r\n\r\n    <li\r\n      class=\"crumb\"\r\n      *ngFor=\"let link of links; let last = last\">\r\n      <i\r\n        class=\"icon fas fa-chevron-right\">\r\n      </i>\r\n\r\n      <a\r\n        *ngIf=\"!last\"\r\n        [href]=\"link.url\"\r\n        [target]=\"link.target\">\r\n        <span>\r\n          {{ link.label | titlecase }}\r\n        </span>\r\n      </a>\r\n\r\n\r\n      <span\r\n        *ngIf=\"last\"\r\n        tabindex=\"0\"\r\n        aria-current=\"page\">\r\n        {{ link.label | titlecase }}\r\n      </span>\r\n\r\n    </li>\r\n  </ul>\r\n</nav>\r\n"]}