feat: challenge 45 React in Angular

Add new challenge: React in Angular.

apps/angular/react-in-angular/src/app/app.component.ts

@@ -0,0 +1,62 @@
+import { Component, signal } from '@angular/core';
+import { PostComponent } from './react/post.component';
+
+type Post = { title: string; description: string };
+
+@Component({
+  standalone: true,
+  imports: [PostComponent],
+  selector: 'app-root',
+  template: `
+    <div class="flex flex-col gap-2 p-12">
+      <div class="flex gap-2">
+        @for (post of posts; track post.title) {
+          <div class="rounded-lg bg-gray-100 p-4">
+            <app-post
+              (selectPost)="selectPost(post)"
+              [post]="post"
+              [isSelected]="post.title === selectedPost()?.title"></app-post>
+          </div>
+        }
+      </div>
+      <div class="flex flex-col gap-2 border p-4">
+        <span class="text-xs font-medium">Selected Post:</span>
+        <span class="text-lg text-blue-700">
+          {{ selectedPost()?.title ?? '-' }}
+        </span>
+      </div>
+    </div>
+  `,
+  styles: [''],
+})
+export class AppComponent {
+  readonly posts = [
+    {
+      title: 'A Deep Dive into Angular',
+      description:
+        "Explore Angular's core features, its evolution, and best practices in development for creating dynamic, efficient web applications in our comprehensive guide.",
+      pictureLink:
+        'https://images.unsplash.com/photo-1471958680802-1345a694ba6d',
+    },
+    {
+      title: 'The Perfect Combination',
+      description:
+        'Unveil the power of combining Angular & React in web development, maximizing efficiency and flexibility for building scalable, sophisticated applications.',
+      pictureLink:
+        'https://images.unsplash.com/photo-1518717202715-9fa9d099f58a',
+    },
+    {
+      title: 'Taking Angular to the Next Level',
+      description:
+        "Discover how integrating React with Angular elevates web development, blending Angular's structure with React's UI prowess for advanced applications.",
+      pictureLink:
+        'https://images.unsplash.com/photo-1532103050105-860af53bc6aa',
+    },
+  ];
+
+  readonly selectedPost = signal<Post | null>(null);
+
+  selectPost(post: Post) {
+    this.selectedPost.set(post);
+  }
+}

apps/angular/react-in-angular/src/app/app.config.ts

@@ -0,0 +1,5 @@
+import { ApplicationConfig } from '@angular/core';
+
+export const appConfig: ApplicationConfig = {
+  providers: [],
+};

apps/angular/react-in-angular/src/app/react/ReactPost.tsx

@@ -0,0 +1,27 @@
+// import React from 'react';
+
+export default function ReactPost(props: {
+  title?: string,
+  description?: string,
+  pictureLink?: string,
+  selected?: boolean,
+  handleClick: () => void
+}) {
+  return (
+    <div className={props.selected ? 'bg-blue-100' : 'bg-white'}>
+      <div className="max-w-sm rounded overflow-hidden shadow-lg">
+        <img className="w-full h-32 object-cover" src={props.pictureLink} alt={props.title}></img>
+        <div className="px-6 py-4 flex flex-col gap-2">
+          <div className="font-bold text-xl mb-2">{props.title}</div>
+          <p className="text-gray-700 text-base">
+            {props.description}
+          </p>
+          <button className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded"
+                  onClick={props.handleClick}>
+            Select
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

apps/angular/react-in-angular/src/app/react/post.component.ts

@@ -0,0 +1,17 @@
+import { Component, EventEmitter, input, Output } from '@angular/core';
+
+type Post = { title: string; description: string; pictureLink: string };
+
+@Component({
+  standalone: true,
+  selector: 'app-post',
+  template: `
+    <div></div>
+  `,
+  styles: [''],
+})
+export class PostComponent {
+  post = input<Post | undefined>(undefined);
+  isSelected = input<boolean>(false);
+  @Output() selectPost = new EventEmitter<void>();
+}