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41Installing TypeScript Globally vs Locally
42Using npm to Install TypeScript
43Using yarn and pnpm for TypeScript
44Verifying Your TypeScript Installation
45The tsc Command-Line Interface
46TypeScript Version Compatibility
47Managing Multiple TypeScript Versions
48IDE TypeScript Version Selection
49What is tsconfig.json
50Creating Your First tsconfig.json
51The compilerOptions Object
52target: Choosing Your Output JavaScript Version
53module: Selecting Your Module System
54lib: Specifying Available Type Definitions
55outDir and rootDir: Organizing Output
56include and exclude: Selecting Files
57strict: The Master Safety Flag
58esModuleInterop: Bridging Module Systems
59skipLibCheck: Faster Compilation
60resolveJsonModule: Importing JSON Files
61sourceMap: Debugging Compiled Code
62declaration: Generating .d.ts Files
63extends: Sharing Configuration
64TypeScript Doesn't Run Directly in Node or Browsers
65Using tsc to Compile and Run
66Running with ts-node
67tsx: A Faster Alternative to ts-node
68Watching Files with tsc --watch
69nodemon with ts-node for Auto-Restart
70Running TypeScript in Deno
71Running TypeScript in Bun
72Using TypeScript with Bundlers (Webpack, Vite, Parcel)
73TypeScript in the Browser via Build Tools
74Running Type Checks Without Emitting Files
75Choosing the Right Execution Method for Your Use Case
76Understanding Compilation Modes: Build vs Watch vs Project
77The --noEmit Flag: Type-Checking Without Output
78The --target Flag: Choosing Your JavaScript Version
79The --module Flag: Module System Output
80The --lib Flag: Including Type Definitions
81Source Maps: --sourceMap and --inlineSourceMap
82The --declaration Flag: Generating .d.ts Files
83Incremental Compilation: --incremental and .tsbuildinfo
84The --skipLibCheck Flag: Skipping node_modules Types
85Combining Flags: Common Real-World Configurations

41Installing TypeScript Globally vs Locally
42Using npm to Install TypeScript
43Using yarn and pnpm for TypeScript
44Verifying Your TypeScript Installation
45The tsc Command-Line Interface
46TypeScript Version Compatibility
47Managing Multiple TypeScript Versions
48IDE TypeScript Version Selection
49What is tsconfig.json
50Creating Your First tsconfig.json
51The compilerOptions Object
52target: Choosing Your Output JavaScript Version
53module: Selecting Your Module System
54lib: Specifying Available Type Definitions
55outDir and rootDir: Organizing Output
56include and exclude: Selecting Files
57strict: The Master Safety Flag
58esModuleInterop: Bridging Module Systems
59skipLibCheck: Faster Compilation
60resolveJsonModule: Importing JSON Files
61sourceMap: Debugging Compiled Code
62declaration: Generating .d.ts Files
63extends: Sharing Configuration
64TypeScript Doesn't Run Directly in Node or Browsers
65Using tsc to Compile and Run
66Running with ts-node
67tsx: A Faster Alternative to ts-node
68Watching Files with tsc --watch
69nodemon with ts-node for Auto-Restart
70Running TypeScript in Deno
71Running TypeScript in Bun
72Using TypeScript with Bundlers (Webpack, Vite, Parcel)
73TypeScript in the Browser via Build Tools
74Running Type Checks Without Emitting Files
75Choosing the Right Execution Method for Your Use Case
76Understanding Compilation Modes: Build vs Watch vs Project
77The --noEmit Flag: Type-Checking Without Output
78The --target Flag: Choosing Your JavaScript Version
79The --module Flag: Module System Output
80The --lib Flag: Including Type Definitions
81Source Maps: --sourceMap and --inlineSourceMap
82The --declaration Flag: Generating .d.ts Files
83Incremental Compilation: --incremental and .tsbuildinfo
84The --skipLibCheck Flag: Skipping node_modules Types
85Combining Flags: Common Real-World Configurations

Lesson 54 of 1,796·2. Setup and ToolingPro lesson

lib: Specifying Available Type Definitions

Declaring which built-in library type definitions should be included (DOM, ES2015, etc.) based on your target environment.

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