npm

CLI commands

• npm doctor - Check your environments

• npm init [--force|-f|--yes|-y|--scope] - Create a package.json file

  EXAMPLES

  Create a new React-based project using create-react-app:

  npm init react-app ./my-react-app

  Generate it without having it ask any questions:

  npm init -y

• npm install [-g] - Install a package

  • alias: npm i

  • common options: [-P|--save-prod|-D|--save-dev|-O|--save-optional][-e|--save-exact] [-B|--save-bundle][--no-save] [--dry-run]

    • -P, --save-prod: Package will appear in your dependencies. This is the default unless -D or -O are present.

    • -D, --save-dev: Package will appear in your devDependencies.

    • -O, --save-optional: Package will appear in your optionalDependencies.

    • --no-save: Prevents saving to dependencies.

    • -g or --global: Installs the current package context as a global package

• npm outdated [-g] - Check for outdated packages

• npm uninstall [-g] - Remove a package

• npm update [-g] - Update a package