Ionic CLI Framework: Command-Line Interface to Develop Apps

The Ionic command-line interface (CLI) is the go-to tool for developing Ionic apps.
The Ionic CLI can be installed globally with npm:
The Ionic CLI ships with command documentation that is accessible with the --help flag.
Be sure to run ionic <command> --help in your project directory.
For some commands, such as ionic serve, the help documentation is contextual to the type of your project, e.g. React vs Angular.
The Ionic CLI is built with TypeScript and Node.js. It supports Node 10.3+, but the latest Node LTS is always recommended. Follow development on the open source GitHub repository.
To troubleshoot issues with the Ionic CLI, the following may be useful: