This blog represents code samples and related concepts on how to create a feature module in an Angular app (Angular 2/Angular 4). In this app, a feature module for Signup is created.
The following is the screenshot for Signup module:
Figure 1. Sample Feature Module in Angular
The following are some of the key aspects to consider when creating a separate feature module:
import { NgModule } from '@angular/core'; import { SignupComponent } from './signup.component'; import {FormsModule} from '@angular/forms'; import {BrowserModule} from '@angular/platform-browser'; <strong>@NgModule</strong>({ <strong>declarations: [ SignupComponent ], imports: [ BrowserModule, FormsModule ],</strong> providers: [], exports: [SignupComponent] }) export class SignupModule { }
Make a note of some of the following in above code:
import { Component } from '@angular/core'; import {Signup} from './signup'; @Component({ <strong>selector: 'app-signup',</strong> templateUrl: './signup.component.html', styleUrls: ['./signup.component.css'] }) export class SignupComponent { title = ''; passwordConfirmationFailed = false; passwordConfirmationTxt = ''; signup = new Signup('', '', '', ''); countries = ['india', 'canada', 'us']; confirmPassword() { if (this.signup.password === this.passwordConfirmationTxt) { this.passwordConfirmationFailed = false; } else { this.passwordConfirmationFailed = true; } } onSubmit() { console.log('Name: ' + this.signup.name + ', Email: ' + this.signup.email + ', Password: ' + this.signup.password ); } }
import { NgModule } from '@angular/core'; import {AppComponent} from './app.component'; import {SignupModule} from './signup/signup.module'; @NgModule({ declarations: [ AppComponent ], imports: [ <strong> SignupModule</strong> ], providers: [], bootstrap: [AppComponent] }) export class AppModule { }
<app-signup></app-signup>
Above would require that SignupModule is imported in the concerned module (app.module.ts) in the current example and, SignupComponent is exported as part of SignupModule.
The following is how the source code of app.component.html looks like:
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { }
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