tsconfig.json

{
  "compilerOptions": {
    // Environment setup & latest features
    "lib": ["esnext"],
    "target": "ESNext",
    "module": "commonjs",
    "moduleDetection": "force",
    "jsx": "react-jsx",
    "allowJs": true,

    // NestJS specific requirements
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "declaration": true,
    "removeComments": true,
    "allowSyntheticDefaultImports": true,
    "sourceMap": true,
    "outDir": "./dist",
    "baseUrl": "./",
    "incremental": true,

    // Module resolution
    "moduleResolution": "node",
    "allowImportingTsExtensions": false,
    "verbatimModuleSyntax": false,

    // Best practices (inherit from base but adapt for NestJS)
    "strict": true,
    "skipLibCheck": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedIndexedAccess": true,
    "forceConsistentCasingInFileNames": true,

    // Some stricter flags (disabled by default)
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noPropertyAccessFromIndexSignature": false,
    "typeRoots": ["./node_modules/@types"],
  },
}