Angular CLI

CLI for Angular applications based on the ember-cli project.

Note

If you are updating from a beta or RC version, check out our 1.0 Update Guide.

If you wish to collaborate, check out our issue list.

Before submitting new issues, have a look at issues marked with the type: faq label.

Prerequisites

Both the CLI and generated project have dependencies that require Node 6.9.0 or higher, together with NPM 3 or higher.

Table of Contents

Installation
Usage
Generating a New Project
Generating Components, Directives, Pipes and Services
Updating Angular CLI
Development Hints for working on Angular CLI
Documentation
License

Installation

BEFORE YOU INSTALL: please read the prerequisites

npm install -g @angular/cli

Usage

ng help

Generating and serving an Angular project via a development server

ng new PROJECT-NAME
cd PROJECT-NAME
ng serve

Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.

You can configure the default HTTP host and port used by the development server with two command-line options :

ng serve --host 0.0.0.0 --port 4201

Generating Components, Directives, Pipes and Services

You can use the ng generate (or just ng g) command to generate Angular components:

ng generate component my-new-component
ng g component my-new-component # using the alias

# components support relative path generation
# if in the directory src/app/feature/ and you run
ng g component new-cmp
# your component will be generated in src/app/feature/new-cmp
# but if you were to run
ng g component ./newer-cmp
# your component will be generated in src/app/newer-cmp
# if in the directory src/app you can also run
ng g component feature/new-cmp
# and your component will be generated in src/app/feature/new-cmp

You can find all possible blueprints in the table below:

Scaffold	Usage
Component	`ng g component my-new-component`
Directive	`ng g directive my-new-directive`
Pipe	`ng g pipe my-new-pipe`
Service	`ng g service my-new-service`
Class	`ng g class my-new-class`
Guard	`ng g guard my-new-guard`
Interface	`ng g interface my-new-interface`
Enum	`ng g enum my-new-enum`
Module	`ng g module my-module`

angular-cli will add reference to components, directives and pipes automatically in the app.module.ts. If you need to add this references to another custom module, follow this steps:

ng g module new-module to create a new module
call ng g component new-module/new-component

This should add the new component, directive or pipe reference to the new-module you've created.

Updating Angular CLI

If you're using Angular CLI 1.0.0-beta.28 or less, you need to uninstall angular-cli package. It should be done due to changing of package's name and scope from angular-cli to @angular/cli:

npm uninstall -g angular-cli
npm uninstall --save-dev angular-cli

To update Angular CLI to a new version, you must update both the global package and your project's local package.

Global package:

npm uninstall -g @angular/cli
npm cache verify
# if npm version is < 5 then use `npm cache clean`
npm install -g @angular/cli@latest

Local project package:

rm -rf node_modules dist # use rmdir /S/Q node_modules dist in Windows Command Prompt; use rm -r -fo node_modules,dist in Windows PowerShell
npm install --save-dev @angular/cli@latest
npm install

If you are updating to 1.0 from a beta or RC version, check out our 1.0 Update Guide.

You can find more details about changes between versions in the Releases tab on GitHub.

Development Hints for working on Angular CLI

Working with master

git clone https://github.com/angular/angular-cli.git
cd angular-cli
npm link

npm link is very similar to npm install -g except that instead of downloading the package from the repo, the just cloned angular-cli/ folder becomes the global package. Additionally, this repository publishes several packages and we use special logic to load all of them on development setups.

Any changes to the files in the angular-cli/ folder will immediately affect the global @angular/cli package, allowing you to quickly test any changes you make to the cli project.

Now you can use @angular/cli via the command line:

ng new foo
cd foo
npm link @angular/cli
ng serve

npm link @angular/cli is needed because by default the globally installed @angular/cli just loads the local @angular/cli from the project which was fetched remotely from npm. npm link @angular/cli symlinks the global @angular/cli package to the local @angular/cli package. Now the angular-cli you cloned before is in three places: The folder you cloned it into, npm's folder where it stores global packages and the Angular CLI project you just created.

You can also use ng new foo --link-cli to automatically link the @angular/cli package.

Please read the official npm-link documentation and the npm-link cheatsheet for more information.

To run the Angular CLI test suite use the node tests/run_e2e.js command. It can also receive a filename to only run that test (e.g. node tests/run_e2e.js tests/e2e/tests/build/dev-build.ts).

As part of the test procedure, all packages will be built and linked. You will need to re-run npm link to re-link the development Angular CLI environment after tests finish.

Documentation

The documentation for the Angular CLI is located in this repo's wiki.

License

MIT

License

iamchucky/angular-cli

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