TypeScript for Node.js Development refers to using TypeScript, a statically typed superset of JavaScript, to build applications that run on the Node.js runtime.
- Static Typing: Detects bugs at compile time rather than runtime.
- Improved Code Quality: Promotes cleaner and more maintainable code.
- Better IDE Support: Offers IntelliSense, code navigation, and autocompletion.
- Seamless Integration: Works well with Node.js frameworks like Express.
- Scalability: Suitable for large codebases and enterprise applications.
- Object-Oriented Programming: Supports classes, interfaces, and inheritance.
- Advanced Tooling: Compatible with tools like ts-node, nodemon, and Jest.
- Strong Ecosystem: Wide support for type definitions via DefinitelyTyped.
Before learning TypeScript for Node.js Development:
- JavaScript Fundamentals: Understand variables, functions, loops, conditionals, and ES6+ features like arrow functions, destructuring, and promises.
- Node.js Basics: Know how to set up a Node.js project, use npm, and work with core s like
fs,http, andpath. - Asynchronous Programming: Familiarity with callbacks, promises, and async/await syntax is essential.
- Basic Terminal Usage: Be comfortable using the command line to navigate directories, run scripts, and install packages.
- Understanding s: Know how to import/export functions or classes using CommonJS or ES s.
- Using npm or yarn: Install, update, and manage project dependencies.
- Familiarity with Express (Optional): If you plan to build APIs, understanding Express.js will help.
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1:TypeScript
- What is TypeScript?
- Installing TypeScript
- TypeScript vs JavaScript
- Understanding tsconfig.json
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2: TypeScript Fundamentals
- Basic Types: string, number, boolean, etc.
- Functions, Interfaces, and Classes
- Union & Intersection Types
- Generics and Utility Types
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3: Setting Up TypeScript in Node.js
- Project Structure
- Using ts-node and nodemon
- Path Aliases & Resolution
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4: Core Node.js s with TypeScript
- Working with fs, path, http
- Using async/await in Node.js
- Type Definitions for Node.js
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5: Express with TypeScript
- Setting up Express in TypeScript
- Request and Response Typing
- Routes and Middleware
- Custom Error Handling
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6: TypeScript and Databases
- Using Prisma or TypeORM
- Model Definitions with Types
- Type-safe Queries
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7: Advanced TypeScript Concepts
- Decorators and Metadata
- Dependency Injection
- Mapped Types & Type Guards
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8: Testing and Linting
- Unit Testing with Jest
- Writing Type-safe Mocks
- Using ESLint and Prettier with TypeScript
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9: Build and Deployment
- Compiling TypeScript for Production
- Bundling with Webpack or esbuild
- Environment Variables and Security
- Publishing TypeScript-based Node.js Packages
- Final Project: Build a fully functional REST API with TypeScript, Express, and Prisma
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