1. Introduction to TypeScript
- 1.1 What is TypeScript?
- 1.2 Advantages of Using TypeScript
- 1.3 Comparing TypeScript and JavaScript
- 1.4 Setting Up the Development Environment
- 1.5 Your First TypeScript Program
- 1.6 Understanding the TypeScript Compiler
- 1.7 Configuring `tsconfig.json`
2. Basic Types in TypeScript
- 2.1 Number Types
- 2.2 String Types
- 2.3 Boolean Types
- 2.4 The `any` Type
- 2.5 The `unknown` Type
- 2.6 The `void` Type
- 2.7 The `null` and `undefined` Types
- 2.8 The `never` Type
3. Variable Declarations and Scope
- 3.1 Declaring Variables with `let` and `const`
- 3.2 Variable Scope in TypeScript
- 3.3 Hoisting in TypeScript
- 3.4 Shadowing Variables
4. Working with Functions
- 4.1 Function Types and Signatures
- 4.2 Optional and Default Parameters
- 4.3 Rest Parameters and Spread Syntax
- 4.4 Arrow Functions in TypeScript
- 4.5 Function Overloads
- 4.6 Function Callbacks
5. Understanding Interfaces
- 5.1 Introduction to Interfaces
- 5.2 Optional and Readonly Properties
- 5.3 Function Types in Interfaces
- 5.4 Indexable Types
- 5.5 Extending Interfaces
- 5.6 Implementing Interfaces in Classes
- 5.7 Hybrid Types
6. Classes and Object-Oriented Programming
- 6.1 Introduction to Classes
- 6.2 Constructors and Initialization
- 6.3 Public, Private, and Protected Modifiers
- 6.4 Readonly Properties
- 6.5 Inheritance and Derived Classes
- 6.6 Method Overriding and Super Calls
- 6.7 Abstract Classes and Methods
- 6.8 Static Members
- 6.9 Accessors: Getters and Setters
7. Advanced Types
- 7.1 Union Types
- 7.2 Intersection Types
- 7.3 Type Aliases
- 7.4 Literal Types
- 7.5 Type Guards and Type Assertions
- 7.6 Discriminated Unions
- 7.7 Nullable Types and the Non-null Assertion Operator
- 7.8 Index Types and the `keyof` Operator
- 7.9 Mapped Types
- 7.10 Conditional Types
- 7.11 Utility Types
8. Generics in TypeScript
- 8.1 Introduction to Generics
- 8.2 Generic Functions
- 8.3 Generic Interfaces
- 8.4 Generic Classes
- 8.5 Generic Constraints
- 8.6 Using `keyof` and Generics
- 8.7 Generic Default Parameters
- 8.8 Variance in Generics
9. Modules and Namespaces
- 9.1 Modules in TypeScript
- 9.2 Exporting and Importing Declarations
- 9.3 Aliases and Advanced Import Techniques
- 9.4 Re-exporting Modules
- 9.5 Dynamic Imports
- 9.6 Working with CommonJS Modules
- 9.7 Namespaces for Internal Modules
- 9.8 Ambient Namespaces and Declaration Merging
10. Working with Asynchronous Code
- 10.1 Understanding Asynchronous Programming
- 10.2 Callbacks in TypeScript
- 10.3 Promises in TypeScript
- 10.4 Async/Await Syntax
- 10.5 Error Handling in Asynchronous Code
- 10.6 Working with Asynchronous Iterators
- 10.7 The Observable Pattern (Introduction)
11. Error Handling and Debugging
- 11.1 Understanding Runtime vs. Compile-time Errors
- 11.2 Using Try/Catch Blocks
- 11.3 Custom Error Types
- 11.4 Debugging TypeScript Code
- 11.5 Logging Strategies
12. Working with the DOM
- 12.1 Introduction to TypeScript in the Browser
- 12.2 Selecting and Manipulating DOM Elements
- 12.3 Handling Events
- 12.4 Working with Forms
- 12.5 Manipulating CSS with TypeScript
- 12.6 Browser Compatibility and Polyfills
13. Using TypeScript with Node.js
- 13.1 Setting Up a Node.js Project with TypeScript
- 13.2 CommonJS vs. ES Modules in Node.js
- 13.3 File System Operations
- 13.4 Creating HTTP Servers
- 13.5 Using Express.js with TypeScript
- 13.6 Asynchronous Programming in Node.js
14. Introduction to React with TypeScript
- 14.1 Setting Up a React TypeScript Project
- 14.2 Functional Components and Props
- 14.3 State Management with Hooks
- 14.4 Handling Events in React
- 14.5 Forms and Controlled Components
- 14.6 Context API and Global State
- 14.7 Introduction to Redux with TypeScript
15. Tooling and Build Processes
- 15.1 Using Webpack with TypeScript
- 15.2 Linting with ESLint
- 15.3 Formatting Code with Prettier
- 15.4 Testing with Jest and TypeScript
- 15.5 Continuous Integration and Deployment
- 15.6 Version Control Best Practices
16. Working with APIs and HTTP Requests
- 16.1 Introduction to RESTful APIs
- 16.2 Using `fetch` API in TypeScript
- 16.3 Handling JSON Data
- 16.4 Error Handling in HTTP Calls
- 16.5 Using Axios for HTTP Requests
- 16.6 WebSockets and Real-time Data
17. Managing Dependencies and Packages
- 17.1 Introduction to NPM and Yarn
- 17.2 Semantic Versioning and Dependency Management
- 17.3 Installing Type Definitions
- 17.4 Creating and Publishing TypeScript Packages
- 17.5 Monorepos with Lerna
18. Declaration Files and Ambient Modules
- 18.1 Understanding Declaration Files (`.d.ts`)
- 18.2 Writing Custom Declaration Files
- 18.3 Ambient Declarations
- 18.4 Module Augmentation
- 18.5 Triple-Slash Directives
19. Advanced Topics and Next Steps
- 19.1 Decorators in TypeScript
- 19.2 Metadata Reflection API
- 19.3 Working with Symbols and Iterators
- 19.4 Building Advanced TypeScript Configurations
- 19.5 Performance Considerations
- 19.6 Preparing for Production Deployment
20. Best Practices and Coding Standards
- 20.1 Code Organization and Project Structure
- 20.2 Naming Conventions
- 20.3 Writing Clean and Readable Code
- 20.4 Documenting Your Code
- 20.5 Avoiding Common Pitfalls
- 20.6 Keeping Up with TypeScript Updates
21. Conclusion and Next Steps
- 21.1 Recap of Key Learnings
- 21.2 Additional Resources
- 21.3 Building Real-world Applications
- 21.4 Exploring Advanced Topics
- 21.5 Joining the TypeScript Community

9. Modules and Namespaces

In this section

Understanding Modules in TypeScript: A Comprehensive Guide
Learn how to organize and manage your TypeScript code using ES6 modules with import and export statements. Discover the differences between default and named exports, and explore best practices for module organization.
Exporting and Importing Declarations in TypeScript
Learn how to effectively export and import declarations in TypeScript, including default exports, named exports, and re-exports. Understand how to manage your codebase efficiently with practical examples.
Aliases and Advanced Import Techniques in TypeScript
Learn how to create aliases for modules and explore advanced import patterns in TypeScript for more efficient and maintainable code.
Re-exporting Modules in TypeScript: Simplifying Your Codebase
Learn how to combine and manage TypeScript modules efficiently by re-exporting them, creating cleaner and more organized code.
Dynamic Imports in TypeScript: Enhance Performance with Lazy Loading
Learn how to use dynamic imports in TypeScript for efficient code splitting and lazy loading, improving application performance.
CommonJS Modules in TypeScript: A Beginner's Guide
Learn how to work with CommonJS modules in TypeScript, including importing, exporting, and configuring the TypeScript compiler for module systems.
Namespaces for Internal Modules in TypeScript
Learn how to use namespaces in TypeScript to organize code and prevent global scope pollution. Understand the differences between namespaces and modules and when to use them.
Ambient Namespaces and Declaration Merging in TypeScript
Learn how to use ambient namespaces and declaration merging in TypeScript to enhance your coding capabilities.

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9. Modules and Namespaces

In this section