npm command

Here’s a list of commonly used npm commands, including those related to configuration. These commands will help you manage your Node.js projects, packages, and npm configurations effectively.

1. Basic npm Commands

```
  npm config ls -l
```
npm init: Initialize a new Node.js project and create a package.json file.
```
npm init
```
- Use npm init -y to automatically create a package.json with default values.
npm install (or npm i): Install all dependencies listed in package.json.
```
npm install
```
- npm install <package-name>: Install a specific package locally.
- npm install -g <package-name>: Install a package globally.
npm uninstall <package-name>: Uninstall a package.
```
npm uninstall <package-name>
```
- Use -g to uninstall a global package.
npm update: Update all outdated packages to their latest versions.
```
npm update
```
npm outdated: Check for outdated packages.
```
npm outdated
```
npm list (or npm ls): List installed packages.
```
npm list
```
- Use -g to list globally installed packages.
- Use --depth=0 to list only top-level packages.
npm run <script>: Run a script defined in the scripts section of package.json.
```
npm run build
```
npm test: Run the test script defined in package.json.
```
npm test
```
npm start: Run the start script defined in package.json.
```
npm start
```
npm publish: Publish a package to the npm registry.
```
npm publish
```
npm unpublish: Remove a package from the npm registry.
```
npm unpublish <package-name>
```

2. npm Configuration Commands

npm config set <key> <value>: Set a configuration value.
```
npm config set prefix ~/.npm-global
```
npm config get <key>: Get the value of a configuration setting.
```
npm config get prefix
```
npm config delete <key>: Delete a configuration setting.
```
npm config delete prefix
```
npm config list: List all npm configuration settings.
```
npm config list
```
npm config edit: Edit the .npmrc configuration file directly in a text editor.
```
npm config edit
```

3. Package Management and Information

npm info <package-name>: Show information about a package.
```
npm info react
```
npm view <package-name>: View details about a package (similar to npm info).
```
npm view lodash
```
npm search <terms>: Search for packages in the npm registry.
```
npm search express
```
npm audit: Perform a security audit of your project’s dependencies.
```
npm audit
```
npm audit fix: Automatically fix vulnerabilities found in the audit.
```
npm audit fix
```
npm cache clean --force: Clear the npm cache.
```
npm cache clean --force
```

4. Global npm Commands

npm root -g: Display the directory where global packages are installed.
```
npm root -g
```
npm list -g --depth=0: List globally installed packages.
```
npm list -g --depth=0
```
npm link: Symlink a package folder into the global package directory.
```
npm link
```
- Use npm link <package-name> to link a global package as a local dependency.
npm unlink <package-name>: Remove a symlink created by npm link.
```
npm unlink <package-name>
```

5. Scripts and Automation

npm run <script>: Run a script defined in the scripts section of package.json.
```
npm run build
```
npm init <initializer>: Initialize a project using a specific initializer.
```
npm init react-app my-app
```
npx <command>: Run a command from a package that isn't installed globally.
```
npx create-react-app my-app
```

6. Package Lock and Dependency Management

npm ci: Install dependencies from package-lock.json, ensuring a clean state.
```
npm ci
```
npm shrinkwrap: Lock down the versions of a project's dependencies.
```
npm shrinkwrap
```
npm dedupe: Reduce duplication in the node_modules directory.
```
npm dedupe
```

7. Useful Options

npm --version (or npm -v): Check the npm version.
```
npm --version
```
npm help <command>: Get help on a specific npm command.
```
npm help install
```
npm init -y: Automatically generate a package.json file with default values.
```
npm init -y
```

Summary

These commands should cover most of your needs when working with npm and Node.js. Whether you're managing dependencies, configuring your environment, or automating tasks, this list provides a solid foundation for efficient project management.

1. Basic npm Commands​

2. npm Configuration Commands​

3. Package Management and Information​

4. Global npm Commands​

5. Scripts and Automation​

6. Package Lock and Dependency Management​

7. Useful Options​

Summary​