Angular CLI Tips and Tricks

1. Introduction

The Angular Command Line Interface (CLI) is a powerful tool for initializing, developing, scaffolding, and maintaining Angular applications. This lesson provides tips and tricks to enhance your productivity using Angular CLI.

2. Installation

To install Angular CLI globally, use the following command:

npm install -g @angular/cli

Ensure Node.js and npm are installed on your machine. You can verify the installation by checking the version:

ng version

3. Useful Commands

Here are some essential Angular CLI commands:

Create a new Angular application:

ng new my-app

Serve the application locally:

ng serve

Generate a new component:

ng generate component my-component

Generate a new service:

ng generate service my-service

4. Customization

Customize your Angular CLI configuration to suit your development needs. The configuration file is located at angular.json.

Tip: You can change the default project settings in angular.json to modify build options and serve configurations.

5. Performance Tips

To enhance performance during development, consider the following tips:

Use the --prod flag for production builds:

ng build --prod

Disable source maps in production:

ng build --source-map=false

Leverage Angular's Ahead-of-Time (AOT) compilation:

ng build --aot

6. FAQ

What is Angular CLI?

Angular CLI is a command line interface tool that helps in creating, developing, and maintaining Angular applications.

How can I update Angular CLI?

To update Angular CLI globally, run: npm install -g @angular/cli@latest

Can I generate multiple components at once?

Yes, you can generate multiple components simultaneously by listing them: ng generate component component1 component2