front: composant <app-breadcrumb> mutualisé (dédup markup DSFR)

Extrait le fil d'Ariane DSFR dupliqué dans browse/api-detail/upload vers un
composant présentationnel piloté par une liste d'items. Chaque page construit
ses items (computed pour browse/api-detail, statique pour upload).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

front-public/src/app/pages/api-detail/api-detail.component.ts

@@ -14,34 +14,17 @@ import { ReactiveFormsModule, FormBuilder, Validators } from '@angular/forms';
 import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import { ApiService } from '../../core/api.service';
 import { CategoryService } from '../../core/category.service';
+import { BreadcrumbComponent, BreadcrumbItem } from '../../shared/breadcrumb/breadcrumb.component';
 import { ApiEntry, ApiEntryListItem, Category } from '@datacat/shared';
 
 @Component({
   selector: 'app-api-detail',
   standalone: true,
-  imports: [CommonModule, RouterLink, ReactiveFormsModule],
+  imports: [CommonModule, RouterLink, ReactiveFormsModule, BreadcrumbComponent],
   changeDetection: ChangeDetectionStrategy.OnPush,
   template: `
     <div class="fr-container fr-mt-4w fr-mb-4w">
-      <!-- Fil d'Ariane -->
-      <nav class="fr-breadcrumb fr-mb-3w" aria-label="vous êtes ici">
-        <ol class="fr-breadcrumb__list">
-          <li>
-            <a class="fr-breadcrumb__link" routerLink="/">Accueil</a>
-          </li>
-          @if (categoryBreadcrumb().length === 0) {
-            <li><a class="fr-breadcrumb__link" routerLink="/browse">Parcourir</a></li>
-          }
-          @for (crumb of categoryBreadcrumb(); track crumb.id) {
-            <li><a class="fr-breadcrumb__link" [routerLink]="['/browse', crumb.id]">{{ crumb.name }}</a></li>
-          }
-          <li>
-            <a class="fr-breadcrumb__link" aria-current="page">
-              {{ api()?.title ?? 'Chargement...' }}
-            </a>
-          </li>
-        </ol>
-      </nav>
+      <app-breadcrumb [items]="breadcrumbItems()" />
 
       @if (loading()) {
         <div class="fr-callout fr-mb-4w">
@@ -436,6 +419,15 @@ export class ApiDetailComponent implements OnInit, OnDestroy {
     return ['/browse'];
   });
 
+  breadcrumbItems = computed<BreadcrumbItem[]>(() => {
+    const crumbs = this.categoryBreadcrumb();
+    const items: BreadcrumbItem[] = [{ label: 'Accueil', link: '/' }];
+    if (crumbs.length === 0) items.push({ label: 'Parcourir', link: '/browse' });
+    for (const crumb of crumbs) items.push({ label: crumb.name, link: ['/browse', crumb.id] });
+    items.push({ label: this.api()?.title ?? 'Chargement...' });
+    return items;
+  });
+
   /* Onglets */
   activeTab = signal<'info' | 'contacts'>('info');
   editingInfo = signal(false);

front-public/src/app/pages/browse/browse.component.ts

@@ -17,32 +17,16 @@ import { CategoryBrowseResponse, Category, CategoryWithCounts, ApiEntryListItem
 import { forkJoin } from 'rxjs';
 import { CategoryFormModalComponent } from '../../shared/category-form-modal/category-form-modal.component';
 import { CategoryDeleteModalComponent } from '../../shared/category-delete-modal/category-delete-modal.component';
+import { BreadcrumbComponent, BreadcrumbItem } from '../../shared/breadcrumb/breadcrumb.component';
 
 @Component({
   selector: 'app-browse',
   standalone: true,
-  imports: [CommonModule, RouterLink, CategoryFormModalComponent, CategoryDeleteModalComponent],
+  imports: [CommonModule, RouterLink, CategoryFormModalComponent, CategoryDeleteModalComponent, BreadcrumbComponent],
   changeDetection: ChangeDetectionStrategy.OnPush,
   template: `
     <div class="fr-container fr-mt-4w fr-mb-4w">
-      <!-- Fil d'Ariane -->
-      <nav class="fr-breadcrumb fr-mb-3w" aria-label="vous êtes ici">
-        <ol class="fr-breadcrumb__list">
-          <li>
-            <a class="fr-breadcrumb__link" routerLink="/">Accueil</a>
-          </li>
-          @for (crumb of ancestors(); track crumb.id) {
-            <li>
-              <a class="fr-breadcrumb__link" [routerLink]="['/browse', crumb.id]">{{ crumb.name }}</a>
-            </li>
-          }
-          @if (browseData()?.category) {
-            <li>
-              <a class="fr-breadcrumb__link" aria-current="page">{{ browseData()!.category!.name }}</a>
-            </li>
-          }
-        </ol>
-      </nav>
+      <app-breadcrumb [items]="breadcrumbItems()" />
 
       <!-- En-tête -->
       @if (categoryId()) {
@@ -309,6 +293,16 @@ export class BrowseComponent implements OnInit {
     return d.breadcrumb.slice(0, -1);
   });
 
+  breadcrumbItems = computed<BreadcrumbItem[]>(() => {
+    const items: BreadcrumbItem[] = [{ label: 'Accueil', link: '/' }];
+    for (const crumb of this.ancestors()) {
+      items.push({ label: crumb.name, link: ['/browse', crumb.id] });
+    }
+    const current = this.browseData()?.category;
+    if (current) items.push({ label: current.name });
+    return items;
+  });
+
   backUrl = computed<string[]>(() => {
     const anc = this.ancestors();
     if (anc.length > 0) return ['/browse', anc[anc.length - 1].id];

front-public/src/app/pages/upload/upload.component.ts

@@ -13,23 +13,17 @@ import { ReactiveFormsModule, FormBuilder, Validators } from '@angular/forms';
 import { Router, RouterLink, ActivatedRoute } from '@angular/router';
 import { ApiService } from '../../core/api.service';
 import { CategoryService } from '../../core/category.service';
+import { BreadcrumbComponent, BreadcrumbItem } from '../../shared/breadcrumb/breadcrumb.component';
 import { ApiEntry, ApiEntryListItem, Category, API_CONVENTION_LABELS, ApiConvention } from '@datacat/shared';
 
 @Component({
   selector: 'app-upload',
   standalone: true,
-  imports: [CommonModule, ReactiveFormsModule, RouterLink],
+  imports: [CommonModule, ReactiveFormsModule, RouterLink, BreadcrumbComponent],
   changeDetection: ChangeDetectionStrategy.OnPush,
   template: `
     <div class="fr-container fr-mt-4w fr-mb-4w">
-      <!-- Fil d'Ariane -->
-      <nav class="fr-breadcrumb fr-mb-3w" aria-label="vous êtes ici">
-        <ol class="fr-breadcrumb__list">
-          <li><a class="fr-breadcrumb__link" routerLink="/browse">Parcourir</a></li>
-          <li><a class="fr-breadcrumb__link" routerLink="/catalog">Catalogue</a></li>
-          <li><a class="fr-breadcrumb__link" aria-current="page">Importer une API</a></li>
-        </ol>
-      </nav>
+      <app-breadcrumb [items]="breadcrumbItems" />
 
       <h1 class="fr-h2 fr-mb-4w">Importer une API</h1>
 
@@ -511,6 +505,12 @@ export class UploadComponent implements OnInit {
   private destroyRef = inject(DestroyRef);
 
   step = signal(1);
+  readonly breadcrumbItems: BreadcrumbItem[] = [
+    { label: 'Parcourir', link: '/browse' },
+    { label: 'Catalogue', link: '/catalog' },
+    { label: 'Importer une API' },
+  ];
+
   private readonly maxFileSize = 5 * 1024 * 1024; // 5 Mo
   selectedFiles = signal<File[]>([]);
   detectedType = signal<'ASYNCAPI' | 'OPENAPI' | null>(null);

front-public/src/app/shared/breadcrumb/breadcrumb.component.ts

@@ -0,0 +1,37 @@
+import { ChangeDetectionStrategy, Component, input } from '@angular/core';
+import { RouterLink } from '@angular/router';
+
+/** Un maillon du fil d'Ariane. `link` absent => élément courant (aria-current). */
+export interface BreadcrumbItem {
+  label: string;
+  link?: string | unknown[];
+}
+
+/**
+ * Fil d'Ariane DSFR générique (présentationnel). Chaque page construit sa liste
+ * d'items et la passe ; le dernier item sans `link` est marqué comme courant.
+ */
+@Component({
+  selector: 'app-breadcrumb',
+  standalone: true,
+  imports: [RouterLink],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  template: `
+    <nav class="fr-breadcrumb fr-mb-3w" aria-label="vous êtes ici">
+      <ol class="fr-breadcrumb__list">
+        @for (item of items(); track $index) {
+          <li>
+            @if (item.link) {
+              <a class="fr-breadcrumb__link" [routerLink]="item.link">{{ item.label }}</a>
+            } @else {
+              <a class="fr-breadcrumb__link" aria-current="page">{{ item.label }}</a>
+            }
+          </li>
+        }
+      </ol>
+    </nav>
+  `,
+})
+export class BreadcrumbComponent {
+  items = input.required<BreadcrumbItem[]>();
+}