Comprehensive Guide to Angular CLI
Overview of Angular CLI
The Angular Command Line Interface (CLI) is a powerful tool that enables developers to create, manage, and maintain Angular applications with ease. It streamlines the development process by providing a variety of commands tailored for different tasks.
Key Concepts
- What is Angular CLI?
- A command-line tool for initializing, developing, scaffolding, and maintaining Angular applications.
- It automates repetitive tasks and optimizes workflows.
- Installation
- To install Angular CLI, execute the following command in your terminal:
- Creating a New Project
- You can create a new Angular project using:
- This command sets up a new Angular application with a standard structure.
ng new project-name
npm install -g @angular/cli
Main Features
- Development Server
- Start a local development server to view your application in the browser:
- By default, the app runs at
http://localhost:4200
.
- Generating Components, Services, and More
- Quickly generate new components, services, and other Angular features:
- For a new component:
- For a new service:
- Building the Application
- To build the application for production, use:
- This command compiles the application into an output directory, optimizing it for deployment.
ng build --prod
ng generate service service-name
ng generate component component-name
ng serve
Additional Commands
- Testing
- Run unit tests for your application:
- Linting
- Check your code for errors and style issues:
ng lint
ng test
Conclusion
Angular CLI is an essential tool for Angular developers, providing an efficient way to manage application tasks. By leveraging simple commands, developers can concentrate more on coding and less on setup and configuration, thus making the development process smoother and more organized.