What are the important tsconfig.json options?

{
  "compilerOptions": {
    // Strict type checking
    "strict": true,

    // Target JavaScript version
    "target": "ES2022",

    // Module system
    "module": "ESNext",
    "moduleResolution": "bundler",

    // Output
    "outDir": "./dist",
    "rootDir": "./src",

    // Emit settings
    "declaration": true,
    "sourceMap": true,

    // Interop
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,

    // Skip lib checking for speed
    "skipLibCheck": true
  }
}

{
  "compilerOptions": {
    "baseUrl": ".",
    "paths": {
      "@/*": ["src/*"],
      "@components/*": ["src/components/*"]
    }
  }
}

{
  "include": ["src/**/*"],
  "exclude": ["node_modules", "dist", "**/*.test.ts"]
}

{
  "compilerOptions": {
    "strict": true,
    "target": "ES2022",
    "module": "ESNext",
    "moduleResolution": "bundler",
    "isolatedModules": true,
    "noUncheckedIndexedAccess": true
  }
}