fix(challenge 48): challenge naming

apps/forms/avoid-losing-form-data/src/app/app.component.ts

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+import { Component } from '@angular/core';
+import { RouterOutlet } from '@angular/router';
+import { NavComponent } from './ui/nav.component';
+
+@Component({
+  standalone: true,
+  imports: [RouterOutlet, NavComponent],
+  selector: 'app-root',
+  template: `
+    <div class="h-screen bg-gray-50">
+      <app-nav
+        class="mx-auto flex w-full items-center justify-center pb-2 pt-8" />
+
+      <main class="px-4 py-16 sm:px-6 lg:px-8">
+        <router-outlet></router-outlet>
+      </main>
+    </div>
+  `,
+})
+export class AppComponent {}

apps/forms/avoid-losing-form-data/src/app/app.config.ts

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+import { ApplicationConfig } from '@angular/core';
+import { provideRouter, withComponentInputBinding } from '@angular/router';
+import { appRoutes } from './app.routes';
+
+export const appConfig: ApplicationConfig = {
+  providers: [provideRouter(appRoutes, withComponentInputBinding())],
+};

apps/forms/avoid-losing-form-data/src/app/app.routes.ts

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+import { Route } from '@angular/router';
+import { JoinComponent } from './pages/join.component';
+import { PageComponent } from './pages/page.component';
+
+export const appRoutes: Route[] = [
+  {
+    path: '',
+    pathMatch: 'full',
+    redirectTo: 'form',
+  },
+  {
+    path: 'form',
+    loadComponent: () => JoinComponent,
+  },
+  {
+    path: 'page-1',
+    data: {
+      title: 'Page 1',
+    },
+    loadComponent: () => PageComponent,
+  },
+  {
+    path: 'page-2',
+    data: {
+      title: 'Page 2',
+    },
+    loadComponent: () => PageComponent,
+  },
+];

apps/forms/avoid-losing-form-data/src/app/pages/join.component.ts

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+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { FormComponent } from '../ui/form.component';
+
+@Component({
+  standalone: true,
+  imports: [FormComponent],
+  template: `
+    <section class="mx-auto	max-w-screen-sm">
+      <div class="rounded-lg bg-white p-8 shadow-lg lg:p-12">
+        <app-form />
+      </div>
+    </section>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class JoinComponent {}

apps/forms/avoid-losing-form-data/src/app/pages/page.component.ts

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+import { ChangeDetectionStrategy, Component, input } from '@angular/core';
+
+@Component({
+  standalone: true,
+  template: `
+    <section>
+      <h1>{{ title() }}</h1>
+    </section>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class PageComponent {
+  title = input.required<string>();
+}

apps/forms/avoid-losing-form-data/src/app/ui/dialog.component.ts

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+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+// NOTE : this is just the dialog content, you need to implement dialog logic
+
+@Component({
+  standalone: true,
+  template: `
+    <div role="alert" class="rounded-xl border border-gray-100 bg-white p-5">
+      <h3 class="block text-xl font-medium text-red-600">
+        You have unsaved information!
+      </h3>
+
+      <p class="mt-1 text-gray-700">Do you want to continue and lose them?</p>
+
+      <div class="mt-4 flex gap-2">
+        <button
+          class="inline-flex items-center gap-2 rounded-lg bg-red-600 px-4 py-2 text-white hover:bg-red-700">
+          Yes continue
+        </button>
+
+        <button
+          class="block rounded-lg px-4 py-2 text-gray-700 transition hover:bg-gray-50">
+          Stay on page
+        </button>
+      </div>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AlertDialogComponent {}

apps/forms/avoid-losing-form-data/src/app/ui/form.component.ts

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+import { ChangeDetectionStrategy, Component, inject } from '@angular/core';
+import { FormBuilder, ReactiveFormsModule, Validators } from '@angular/forms';
+
+@Component({
+  selector: 'app-form',
+  standalone: true,
+  imports: [ReactiveFormsModule],
+  template: `
+    <form [formGroup]="form" (ngSubmit)="onSubmit()" class="space-y-4">
+      <div>
+        <label class="sr-only" for="name">Name</label>
+        <input
+          class="w-full rounded-lg border-gray-200 p-3 text-sm"
+          placeholder="Name"
+          type="text"
+          formControlName="name"
+          id="name" />
+      </div>
+
+      <div class="grid grid-cols-1 gap-4 sm:grid-cols-2">
+        <div>
+          <label class="sr-only" for="email">Email</label>
+          <input
+            class="w-full rounded-lg border-gray-200 p-3 text-sm"
+            placeholder="Email address"
+            type="email"
+            formControlName="email"
+            id="email" />
+        </div>
+
+        <div>
+          <label class="sr-only" for="phone">Phone</label>
+          <input
+            class="w-full rounded-lg border-gray-200 p-3 text-sm"
+            placeholder="Phone Number"
+            type="tel"
+            formControlName="phone"
+            id="phone" />
+        </div>
+      </div>
+
+      <div>
+        <label class="sr-only" for="message">Message</label>
+
+        <textarea
+          class="w-full rounded-lg border-gray-200 p-3 text-sm"
+          placeholder="Message"
+          rows="8"
+          formControlName="message"
+          id="message"></textarea>
+      </div>
+
+      <div class="mt-4">
+        <button
+          [disabled]="form.invalid"
+          type="submit"
+          class="inline-block w-full rounded-lg border bg-gray-50 px-5 py-3 font-medium text-gray-900 disabled:cursor-not-allowed disabled:bg-gray-300 sm:w-auto">
+          Submit
+        </button>
+      </div>
+    </form>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class FormComponent {
+  private fb = inject(FormBuilder);
+
+  form = this.fb.nonNullable.group({
+    name: ['', { validators: [Validators.required] }],
+    email: ['', [Validators.required, Validators.email]], // other syntax
+    phone: '',
+    message: '',
+  });
+
+  onSubmit() {
+    if (this.form.valid) this.form.reset();
+  }
+}

apps/forms/avoid-losing-form-data/src/app/ui/nav.component.ts

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+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { RouterLink, RouterLinkActive } from '@angular/router';
+
+@Component({
+  selector: 'app-nav',
+  standalone: true,
+  imports: [RouterLink, RouterLinkActive],
+  template: `
+    <nav
+      class="inline-flex overflow-hidden rounded-md border bg-white shadow-sm">
+      <a
+        routerLink="/form"
+        routerLinkActive="bg-gray-300 hover:bg-gray-300"
+        class="inline-block px-4 py-2 text-sm font-medium text-gray-900 hover:bg-gray-100  focus:relative">
+        Form
+      </a>
+      <a
+        routerLink="/page-1"
+        routerLinkActive="bg-gray-300 hover:bg-gray-300"
+        class="inline-block px-4 py-2 text-sm font-medium text-gray-900 hover:bg-gray-100  focus:relative">
+        Page 1
+      </a>
+      <a
+        routerLink="/page-2"
+        routerLinkActive="bg-gray-300 hover:bg-gray-300"
+        class="inline-block px-4 py-2 text-sm font-medium text-gray-900 hover:bg-gray-100  focus:relative">
+        Page 2
+      </a>
+    </nav>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class NavComponent {}

apps/forms/avoid-losing-form-data/src/index.html

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+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>avoid-losing-form-data</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <app-root></app-root>
+  </body>
+</html>

apps/forms/avoid-losing-form-data/src/main.ts

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+import { bootstrapApplication } from '@angular/platform-browser';
+import { AppComponent } from './app/app.component';
+import { appConfig } from './app/app.config';
+
+bootstrapApplication(AppComponent, appConfig).catch((err) =>
+  console.error(err),
+);

apps/forms/avoid-losing-form-data/src/styles.scss

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+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+/* You can add global styles to this file, and also import other style files */