Command-Line Magic: Essential JavaScript CLI Commands

1. Node.js CLI Commands Overview: Node.js is a JavaScript runtime that allows running JavaScript outside the browser, mainly for backend development. Common Commands node file.js → Run a JavaScript file node → Open the interactive REPL (Read-Eval-Print Loop) node --version (node -v) → Check Node.js version node --inspect file.js → Runs a script with debugging enabled. 2. npm (Node Package Manager) Commands Overview: npm is the default package manager for Node.js, used to install and manage dependencies. Common Commands npm init → Initialize a new project npm install package-name → Install a package npm install -g package-name → Install a package globally npm run script-name → Run a script from package.json npm update → Update all dependencies npm uninstall package-name → Removes a package. npm run script-name → Runs a script from package.json. Example: npm run start 3. yarn (Alternative to npm) Commands Overview: Yarn is a faster and more efficient alternative to npm for package management. Common Commands yarn init → Initialize a project yarn add package-name → Install a package yarn global add package-name → Install a package globally yarn run script-name → Run a script yarn upgrade → Upgrade dependencies 4. npx CLI Commands Overview: npx allows running Node.js packages without installing them globally. Common Commands npx create-react-app my-app → Create a new React app npx eslint . → Run ESLint without global installation npx tsc --init → Initializes TypeScript configuration 5. pnpm (Fast Package Manager) CLI Commands Overview: pnpm is a modern package manager that saves space by linking dependencies instead of duplicating them. Common Commands pnpm init → Initialize a project pnpm add package-name → Install a package pnpm run script-name → Run a script 6. React.js CLI Commands Overview: React is a JavaScript library for building user interfaces, especially single-page applications (SPAs). Common Commands npx create-react-app my-app → Create a new React app npm start → Start the development server npm run build → Build the app for production npm run test → Runs tests. 7. Next.js CLI Commands Overview: Next.js is a React-based framework that enables server-side rendering and static site generation. Common Commands npx create-next-app@latest my-app → Create a Next.js project npm run dev → Start the development server npm run build → Build for production npm start → Start production server npm run lint → Lint the project 8. Vue.js CLI Commands Overview: Vue.js is a progressive JavaScript framework used to build interactive user interfaces. Common Commands npm install -g @vue/cli → Install Vue CLI vue create my-app → Create a new Vue app npm run serve → Start the development server npm run build → Build for production vue add package-name → Adds a Vue plugin 9. Angular CLI Commands Overview: Angular is a TypeScript-based framework for building scalable web applications. Common Commands npm install -g @angular/cli → Install Angular CLI ng new my-app → Create a new Angular app ng serve → Start the development server ng build → Build the project ng test → Runs unit tests. ng generate component my-component → Creates a new component. 10. Vite.js CLI Commands Overview: Vite is a fast build tool and development server for modern JavaScript applications. Common Commands npm create vite@latest my-app --template react → Create a Vite app npm run dev → Start the development server npm run build → Build for production 11. Express.js CLI Commands Overview: Express is a lightweight Node.js framework for building backend APIs and web applications. Common Commands npm install express → Install Express node server.js → Run an Express app 12. NestJS CLI Commands Overview: NestJS is a Node.js framework for building scalable server-side applications using TypeScript. Common Commands npm install -g @nestjs/cli → Install NestJS CLI nest new my-app → Create a new NestJS project npm run start → Start the development server

Feb 13, 2025 - 18:16

Command-Line Magic: Essential JavaScript CLI Commands

1. Node.js CLI Commands

Overview: Node.js is a JavaScript runtime that allows running JavaScript outside the browser, mainly for backend development.

Common Commands

node file.js → Run a JavaScript file
node → Open the interactive REPL (Read-Eval-Print Loop)
node --version (node -v) → Check Node.js version
node --inspect file.js → Runs a script with debugging enabled.

2. npm (Node Package Manager) Commands

Overview: npm is the default package manager for Node.js, used to install and manage dependencies.

Common Commands

npm init → Initialize a new project
npm install package-name → Install a package
npm install -g package-name → Install a package globally
npm run script-name → Run a script from package.json
npm update → Update all dependencies
npm uninstall package-name → Removes a package.
npm run script-name → Runs a script from package.json. Example: npm run start

3. yarn (Alternative to npm) Commands

Overview: Yarn is a faster and more efficient alternative to npm for package management.

Common Commands

yarn init → Initialize a project
yarn add package-name → Install a package
yarn global add package-name → Install a package globally
yarn run script-name → Run a script
yarn upgrade → Upgrade dependencies

4. npx CLI Commands

Overview: npx allows running Node.js packages without installing them globally.

Common Commands

npx create-react-app my-app → Create a new React app
npx eslint . → Run ESLint without global installation
npx tsc --init → Initializes TypeScript configuration

5. pnpm (Fast Package Manager) CLI Commands

Overview: pnpm is a modern package manager that saves space by linking dependencies instead of duplicating them.

Common Commands

pnpm init → Initialize a project
pnpm add package-name → Install a package
pnpm run script-name → Run a script

6. React.js CLI Commands

Overview: React is a JavaScript library for building user interfaces, especially single-page applications (SPAs).

Common Commands

npx create-react-app my-app → Create a new React app
npm start → Start the development server
npm run build → Build the app for production
npm run test → Runs tests.

7. Next.js CLI Commands

Overview: Next.js is a React-based framework that enables server-side rendering and static site generation.

Common Commands

npx create-next-app@latest my-app → Create a Next.js project
npm run dev → Start the development server
npm run build → Build for production
npm start → Start production server
npm run lint → Lint the project

8. Vue.js CLI Commands

Overview: Vue.js is a progressive JavaScript framework used to build interactive user interfaces.

Common Commands

npm install -g @vue/cli → Install Vue CLI
vue create my-app → Create a new Vue app
npm run serve → Start the development server
npm run build → Build for production
vue add package-name → Adds a Vue plugin

9. Angular CLI Commands

Overview: Angular is a TypeScript-based framework for building scalable web applications.

Common Commands

npm install -g @angular/cli → Install Angular CLI
ng new my-app → Create a new Angular app
ng serve → Start the development server
ng build → Build the project
ng test → Runs unit tests.
ng generate component my-component → Creates a new component.

10. Vite.js CLI Commands

Overview: Vite is a fast build tool and development server for modern JavaScript applications.

Common Commands

npm create vite@latest my-app --template react → Create a Vite app
npm run dev → Start the development server
npm run build → Build for production

11. Express.js CLI Commands

Overview: Express is a lightweight Node.js framework for building backend APIs and web applications.

Common Commands

npm install express → Install Express
node server.js → Run an Express app

12. NestJS CLI Commands

Overview: NestJS is a Node.js framework for building scalable server-side applications using TypeScript.

Common Commands

npm install -g @nestjs/cli → Install NestJS CLI
nest new my-app → Create a new NestJS project
npm run start → Start the development server