tsconfig.json

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

    // Bundler mode
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": true,
    "verbatimModuleSyntax": true,
    "noEmit": true,

    // Best practices
    "strict": true,
    "skipLibCheck": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitReturns": true,
    "noImplicitOverride": true,
    "allowUnreachableCode": false,

    // Stricter flags — enabled; the codebase is verified clean against
    // these, so `bun run typecheck` now guards against unused
    // imports/locals/params, missing returns, and unreachable code.
    // Prefix a deliberately-unused param with `_` to satisfy
    // noUnusedParameters.
    "noUnusedLocals": true,
    "noUnusedParameters": true,

    // Left off intentionally: noisy or stylistic for this codebase.
    //   exactOptionalPropertyTypes — 39 hits, optional-vs-undefined footgun
    //   noPropertyAccessFromIndexSignature — 185 hits, forces bracket access
    "noPropertyAccessFromIndexSignature": false
  }
}