Core knowledge points of TypeScript

1. TypeScript Fundamentals

• Introduction and Design Goals of TypeScript
• Relationship Between TypeScript and JavaScript
• Overview of Static Type Systems
• Type Annotations and Type Inference
• Compilation Process and tsconfig.json Configuration
• Development Environment Setup and Toolchain
• Introduction to Basic Type Systems
• Strict Mode for Type Checking
• TypeScript Ecosystem
• Common Compilation Errors and Solutions

2. TypeScript Type System

• Primitive and Literal Types
• Array and Tuple Types
• Object Types and Interfaces
• Function Type Definitions
• Union and Intersection Types
• Type Aliases vs. Interfaces
• Index Signatures and Mapped Types
• Conditional Types and Distributed Conditional Types
• Type Inference and Type Assertions
• Type Guards and Type Narrowing
• Template Literal Types
• never and void Types
• unknown vs. any Types
• Usage and Limitations of Enum Types
• Type Compatibility Rules

3. Object-Oriented Programming

• Class and Inheritance Syntax
• Access Modifiers (public/private/protected)
• Abstract Classes and Methods
• Interface Implementation and Class Types
• Static and Instance Members
• Accessors (getter/setter)
• Parameter Properties
• Decorator Basics and Applications
• Mixin Pattern Implementation
• Polymorphism and this Type
• Relationship Between Classes and Interfaces
• Constructor Function Types
• Instance Types and Class Types
• Private Fields and Naming Conventions
• Class Type Checking

4. Advanced Types and Utility Types

• keyof Operator
• typeof Type Operator
• Indexed Access Types
• Mapped Types Basics
• Built-in Utility Types (Partial, Required, etc.)
• Custom Utility Types
• Conditional Type Applications
• infer Keyword and Type Extraction
• Recursive Type Definitions
• Type Instantiation and Lazy Evaluation
• Type Parameter Constraints
• String Manipulation Types
• Type Predicates and Custom Type Guards
• Type Hierarchy and Bottom Types
• Type Programming Best Practices

5. Modules and Namespaces

• ES Module Syntax
• Type Imports and Exports
• Namespace Definition and Usage
• Module Resolution Strategies
• Declaration Merging Mechanism
• Triple-Slash Directives
• External Module Declarations
• Modules vs. Namespaces
• Module Resolution Configuration
• Type Declaration Files (.d.ts)
• Global Type Definitions
• Module Augmentation
• Ambient Declarations
• Dependency Type Management
• Module Best Practices

6. Generic Programming

• Generic Basics
• Generic Function Definitions
• Generic Interfaces
• Generic Classes
• Generic Constraints
• Generic Parameter Defaults
• Generics with Conditional Types
• Generics with Mapped Types
• Generic Practical Examples
• Generic Type Inference
• Generics and Function Overloading
• Generics and Inheritance
• Generic Performance Considerations
• Complex Generic Type Resolution
• Generic Design Patterns

7. Engineering Practices

• Project Structure Organization
• Compilation Configuration Details
• Code Splitting and Optimization
• Writing Type Declaration Files
• Third-Party Library Type Integration
• Custom Type Declarations
• Testing Strategies and Tools
• Performance Optimization Techniques
• Code Standards and Lint Tools
• Integration with Webpack and Other Build Tools
• Debugging Configuration and Tips
• Code Migration Strategies
• Large-Scale Project Management
• Team Collaboration Standards
• Continuous Integration and Deployment

8. Integration with Other Technologies

• Integration with React
• Integration with Vue
• Node.js Backend Development
• Express/Koa Frameworks
• Working with GraphQL
• Web Workers
• WebAssembly
• Electron Desktop Development
• React Native Mobile Development
• Deno Runtime
• Database ORMs
• Testing Frameworks (Jest/Mocha)
• State Management (Redux/Vuex)
• Server-Side Rendering
• Micro-Frontend Architecture