tsconfig.json

{
  // "files": [],

  "compilerOptions": {
    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
    "target": "ES2020",
    "types": ["vite/client"],
    "useDefineForClassFields": true,
    "lib": ["ES2020", "DOM", "DOM.Iterable"],
    "module": "ESNext",
    "skipLibCheck": true,

    /* Bundler mode */
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": true,
    "isolatedModules": true,
    "moduleDetection": "force",
    "noEmit": true,
    "jsx": "react-jsx",

    /* Linting */
    // Strict mode (9)
    "strict": true,
    "alwaysStrict": true,
    "noImplicitAny": true,
    "noImplicitThis": true,
    "strictNullChecks": true,
    "strictBindCallApply": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "useUnknownInCatchVariables": true,

    // No unused code (4)
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,

    // No implicit code (2)
    "noImplicitOverride": true,
    "noImplicitReturns": true,

    // Others (5)
    "noUncheckedIndexedAccess": true,
    "noPropertyAccessFromIndexSignature": true,
    "noFallthroughCasesInSwitch": true,
    "exactOptionalPropertyTypes": true,
    "forceConsistentCasingInFileNames": true,
    "noUncheckedSideEffectImports": true
    /* linting - end */
  },
  "include": ["src", "*.js", "*.ts"]
}