Learn TYPESCRIPT with Real Code Examples

Install Node.js (LTS recommended)

Install TypeScript with npm install -g typescript

Set up tsconfig.json

Use VS Code with TypeScript plugin

Install Node.js

Install TypeScript globally

Configure tsconfig.json

Set up ESLint and Prettier

tsconfig.json

package.json

.eslintrc.json

tsc --init

tsc -w

ts-node file.ts

npm run build

i18next with TypeScript types

Type-safe translation keys

Next.js built-in i18n support

ARIA type support in JSX

Type-safe accessibility props

React accessibility tooling

Works with React, Next.js, Tailwind CSS

Styled-components with typed props

Type-safe design tokens

Managed via classes, closures, or Redux-like patterns

Typed context stores in React

Singleton pattern for global state

Type-safe APIs with Axios + Zod

ORMs like Prisma

Type-safe fetch wrappers