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TypeScript Learning Roadmap

JavaScript Developer
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Phase 1: Foundation (1-2 weeks)
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Phase 2: Core Concepts (2-3 weeks)
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Phase 3: Advanced Types (2-3 weeks)
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Phase 4: Integration (2-3 weeks)
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Phase 5: Enterprise (ongoing)
  • Introduction to TypeScript
  • Setting up TypeScript (tsconfig.json)
  • Basic types: string, number, boolean
  • Arrays, tuples, enums
  • Type inference
  • Union and intersection types
  • Functions and function types
  • Objects and object types
  • Interfaces (extends, declaration merging)
  • Type aliases
  • Literal types and const assertions
  • Generics (basic)
  • Utility types (Partial, Pick, Omit, etc.)
  • Advanced generics (constraints, infer)
  • Mapped types
  • Conditional types
  • Template literal types
  • Type guards and narrowing
  • React + TypeScript
  • Angular + TypeScript
  • Node.js + TypeScript (Express)
  • TypeScript with databases
  • TypeScript testing
  • Declaration files (.d.ts)
  • Module augmentation
  • Build configuration
  • Performance optimization
  • CI/CD with TypeScript
  • Monorepo patterns
  • Code generation
  • Solid JavaScript fundamentals
  • Understanding of ES6+ features
  • Basic familiarity with a code editor (VS Code recommended)
  • TypeScript Handbook (official)
  • TypeScript Deep Dive (open source book)
  • Type Challenges (practice problems)