ngrx · timdeschryver · Aug 9, 2025
diff --git a/projects/www/src/app/components/docs/code-example.component.ts b/projects/www/src/app/components/docs/code-example.component.ts
@@ -1,12 +1,20 @@
-import { Component, Input } from '@angular/core';
+import { Component, inject, Input, PLATFORM_ID, signal } from '@angular/core';
+import { isPlatformServer } from '@angular/common';
+import { CodeHighlightPipe } from './code-highlight.pipe';
+import { ExamplesService } from '@ngrx-io/app/examples/examples.service';
 
 @Component({
   selector: 'ngrx-code-example',
   standalone: true,
+  imports: [CodeHighlightPipe],
   template: `
     <div class="header">{{ header }}</div>
     <div class="body">
-      <ng-content></ng-content>
+      @if(path) {
+      <div [innerHTML]="codeContent() | ngrxCodeHighlight"></div>
+      }@else{
+      <ng-content />
+      }
     </div>
   `,
   styles: [
@@ -35,4 +43,22 @@ import { Component, Input } from '@angular/core';
 })
 export class CodeExampleComponent {
   @Input() header: string = '';
+  @Input() path: string = '';
+  @Input() region: string = '';
+  @Input() language: string = 'typescript';
+
+  private exampleService = inject(ExamplesService);
+  private platformId = inject(PLATFORM_ID);
+  protected codeContent = signal('');
+
+  async ngAfterViewInit(): Promise<void> {
+    if (isPlatformServer(this.platformId)) return;
+    if (!this.path) return;
+
+    const content = await this.exampleService.extractSnippet(
+      this.path,
+      this.region
+    );
+    this.codeContent.set(content);
+  }
 }
diff --git a/projects/www/src/app/components/docs/code-highlight.pipe.ts b/projects/www/src/app/components/docs/code-highlight.pipe.ts
@@ -1,16 +1,33 @@
-import { Pipe, PipeTransform } from '@angular/core';
-import hljs from 'highlight.js/lib/core';
-import typescript from 'highlight.js/lib/languages/typescript';
+import { inject, Pipe, PipeTransform } from '@angular/core';
+import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
+import { ngrxTheme } from '@ngrx-io/shared/ngrx-shiki-theme';
+import {
+  BundledLanguage,
+  BundledTheme,
+  getHighlighter,
+  HighlighterGeneric,
+} from 'shiki';
 
-hljs.registerLanguage('typescript', typescript);
+let highlighter: HighlighterGeneric<BundledLanguage, BundledTheme>;
+getHighlighter({
+  langs: ['typescript'],
+  themes: [ngrxTheme],
+}).then((h) => (highlighter = h));
 
 @Pipe({
   name: 'ngrxCodeHighlight',
-  pure: true,
   standalone: true,
+  pure: true,
 })
 export class CodeHighlightPipe implements PipeTransform {
-  transform(code: string): string {
-    return hljs.highlight(code, { language: 'typescript' }).value;
+  private sanitizer = inject(DomSanitizer);
+
+  transform(code: string): SafeHtml {
+    const html = highlighter?.codeToHtml(code, {
+      lang: 'typescript',
+      theme: 'ngrx-theme',
+    });
+
+    return this.sanitizer.bypassSecurityTrustHtml(html);
   }
 }
diff --git a/projects/www/src/app/examples/component-store-paginator-service/src/app/app.component.ts b/projects/www/src/app/examples/component-store-paginator-service/src/app/app.component.ts
@@ -0,0 +1,19 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  template: `
+    <paginator
+      [length]="100"
+      [pageSize]="10"
+      [pageSizeOptions]="[5, 10, 25, 100]"
+      (page)="log($event)"
+    >
+    </paginator>
+  `,
+})
+export class AppComponent {
+  log(obj: unknown) {
+    console.log(obj);
+  }
+}
diff --git a/projects/www/src/app/examples/component-store-paginator-service/src/app/app.module.ts b/projects/www/src/app/examples/component-store-paginator-service/src/app/app.module.ts
@@ -0,0 +1,24 @@
+import { NgModule } from '@angular/core';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { ReactiveFormsModule } from '@angular/forms';
+import { MatNativeDateModule } from '@angular/material/core';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatSelectModule } from '@angular/material/select';
+import { MatTooltipModule } from '@angular/material/tooltip';
+
+import { AppComponent } from './app.component';
+import { PaginatorComponent } from './paginator.component';
+
+@NgModule({
+  imports: [
+    BrowserAnimationsModule,
+    MatNativeDateModule,
+    ReactiveFormsModule,
+    MatFormFieldModule,
+    MatSelectModule,
+    MatTooltipModule,
+  ],
+  declarations: [AppComponent, PaginatorComponent],
+  bootstrap: [AppComponent],
+})
+export class AppModule {}
diff --git a/...cts/www/src/app/examples/component-store-paginator-service/src/app/paginator.component.ts b/...cts/www/src/app/examples/component-store-paginator-service/src/app/paginator.component.ts
@@ -0,0 +1,68 @@
+import {
+  Component,
+  Input,
+  ChangeDetectionStrategy,
+  Output,
+  ViewEncapsulation,
+} from '@angular/core';
+import { PaginatorStore } from './paginator.store';
+
+@Component({
+  selector: 'paginator',
+  templateUrl: 'paginator.html',
+  host: {
+    class: 'mat-paginator',
+  },
+  styleUrls: ['./paginator.scss'],
+  encapsulation: ViewEncapsulation.None,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  providers: [PaginatorStore],
+})
+export class PaginatorComponent {
+  // #docregion inputs
+  @Input() set pageIndex(value: string | number) {
+    this.paginatorStore.setPageIndex(value);
+  }
+
+  @Input() set length(value: string | number) {
+    this.paginatorStore.setLength(value);
+  }
+
+  @Input() set pageSize(value: string | number) {
+    this.paginatorStore.setPageSize(value);
+  }
+
+  @Input() set pageSizeOptions(value: readonly number[]) {
+    this.paginatorStore.setPageSizeOptions(value);
+  }
+  // #enddocregion inputs
+
+  // #docregion selectors
+  // Outputing the event directly from the page$ Observable<PageEvent> property.
+  /** Event emitted when the paginator changes the page size or page index. */
+  @Output() readonly page = this.paginatorStore.page$;
+
+  // ViewModel for the PaginatorComponent
+  readonly vm$ = this.paginatorStore.vm$;
+  // #enddocregion selectors
+
+  constructor(private readonly paginatorStore: PaginatorStore) {}
+
+  // #docregion updating-state
+  changePageSize(newPageSize: number) {
+    this.paginatorStore.changePageSize(newPageSize);
+  }
+  nextPage() {
+    this.paginatorStore.nextPage();
+  }
+  firstPage() {
+    this.paginatorStore.firstPage();
+  }
+  previousPage() {
+    this.paginatorStore.previousPage();
+  }
+  lastPage() {
+    this.paginatorStore.lastPage();
+  }
+  // #enddocregion updating-state
+}
diff --git a/projects/www/src/app/examples/component-store-paginator-service/src/app/paginator.html b/projects/www/src/app/examples/component-store-paginator-service/src/app/paginator.html
@@ -0,0 +1,79 @@
+<div class="mat-paginator-outer-container" *ngIf="vm$ | async as vm">
+  <div class="mat-paginator-container">
+    <div class="mat-paginator-page-size">
+      <div class="mat-paginator-page-size-label">
+        Items per page
+      </div>
+
+      <mat-form-field
+        *ngIf="vm.pageSizeOptions.length > 1"
+        class="mat-paginator-page-size-select">
+        <mat-select
+          [value]="vm.pageSize"
+          (selectionChange)="changePageSize($any($event).value)">
+          <mat-option *ngFor="let pageSizeOption of vm.pageSizeOptions" [value]="pageSizeOption">
+            {{pageSizeOption}}
+          </mat-option>
+        </mat-select>
+      </mat-form-field>
+
+      <div
+        class="mat-paginator-page-size-value"
+        *ngIf="vm.pageSizeOptions.length <= 1">{{vm.pageSize}}</div>
+    </div>
+
+    <div class="mat-paginator-range-actions">
+      <div class="mat-paginator-range-label">
+        {{vm.rangeLabel}}
+      </div>
+
+      <button mat-icon-button type="button"
+              class="mat-paginator-navigation-first"
+              (click)="firstPage()"
+              matTooltip="First page"
+              [matTooltipDisabled]="!vm.hasPreviousPage"
+              [matTooltipPosition]="'above'"
+              [disabled]="!vm.hasPreviousPage">
+        <svg class="mat-paginator-icon" viewBox="0 0 24 24" focusable="false">
+          <path d="M18.41 16.59L13.82 12l4.59-4.59L17 6l-6 6 6 6zM6 6h2v12H6z"/>
+        </svg>
+      </button>
+      <button mat-icon-button type="button"
+              class="mat-paginator-navigation-previous"
+              (click)="previousPage()"
+              [attr.aria-label]="'Previous Page'"
+              [matTooltip]="'Previous Page'"
+              [matTooltipDisabled]="!vm.hasPreviousPage"
+              [matTooltipPosition]="'above'"
+              [disabled]="!vm.hasPreviousPage">
+        <svg class="mat-paginator-icon" viewBox="0 0 24 24" focusable="false">
+          <path d="M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z"/>
+        </svg>
+      </button>
+      <button mat-icon-button type="button"
+              class="mat-paginator-navigation-next"
+              (click)="nextPage()"
+              [attr.aria-label]="'Next Page'"
+              [matTooltip]="'Next Page'"
+              [matTooltipDisabled]="!vm.hasNextPage"
+              [matTooltipPosition]="'above'"
+              [disabled]="!vm.hasNextPage">
+        <svg class="mat-paginator-icon" viewBox="0 0 24 24" focusable="false">
+          <path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/>
+        </svg>
+      </button>
+      <button mat-icon-button type="button"
+              class="mat-paginator-navigation-last"
+              (click)="lastPage()"
+              [attr.aria-label]="'Last Page'"
+              [matTooltip]="'Last Page'"
+              [matTooltipDisabled]="!vm.hasNextPage"
+              [matTooltipPosition]="'above'"
+              [disabled]="!vm.hasNextPage">
+        <svg class="mat-paginator-icon" viewBox="0 0 24 24" focusable="false">
+          <path d="M5.59 7.41L10.18 12l-4.59 4.59L7 18l6-6-6-6zM16 6h2v12h-2z"/>
+        </svg>
+      </button>
+    </div>
+  </div>
+</div>
diff --git a/projects/www/src/app/examples/component-store-paginator-service/src/app/paginator.scss b/projects/www/src/app/examples/component-store-paginator-service/src/app/paginator.scss
@@ -0,0 +1,80 @@
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
+/* Add application styles & imports to this file! */
+
+
+$mat-paginator-padding: 0 8px;
+$mat-paginator-page-size-margin-right: 8px;
+
+$mat-paginator-items-per-page-label-margin: 0 4px;
+$mat-paginator-selector-margin: 6px 4px 0 4px;
+$mat-paginator-selector-trigger-width: 56px;
+$mat-paginator-selector-trigger-outline-width: 64px;
+$mat-paginator-selector-trigger-fill-width: 64px;
+
+$mat-paginator-range-label-margin: 0 32px 0 24px;
+$mat-paginator-button-icon-size: 28px;
+
+.mat-paginator {
+  display: block;
+}
+
+// Note: this wrapper element is only used to get the flexbox vertical centering to work
+// with the `min-height` on IE11. It can be removed if we drop support for IE.
+.mat-paginator-outer-container {
+  display: flex;
+}
+
+.mat-paginator-container {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  padding: $mat-paginator-padding;
+  flex-wrap: wrap-reverse;
+  width: 100%;
+}
+
+.mat-paginator-page-size {
+  display: flex;
+  align-items: baseline;
+  margin-right: $mat-paginator-page-size-margin-right;
+
+  [dir='rtl'] & {
+    margin-right: 0;
+    margin-left: $mat-paginator-page-size-margin-right;
+  }
+}
+
+.mat-paginator-page-size-label {
+  margin: $mat-paginator-items-per-page-label-margin;
+}
+
+.mat-paginator-page-size-select {
+  margin: $mat-paginator-selector-margin;
+  width: $mat-paginator-selector-trigger-width;
+
+  &.mat-form-field-appearance-outline {
+    width: $mat-paginator-selector-trigger-outline-width;
+  }
+
+  &.mat-form-field-appearance-fill {
+    width: $mat-paginator-selector-trigger-fill-width;
+  }
+}
+
+.mat-paginator-range-label {
+  margin: $mat-paginator-range-label-margin;
+}
+
+.mat-paginator-range-actions {
+  display: flex;
+  align-items: center;
+}
+
+.mat-paginator-icon {
+  width: $mat-paginator-button-icon-size;
+  fill: currentColor;
+
+  [dir='rtl'] & {
+    transform: rotate(180deg);
+  }
+}