tsconfig.json

{
  "compilerOptions": {
    "lib": ["ESNext"],
    "module": "ESNext",
    "target": "ESNext",
    "moduleResolution": "Bundler",
    "moduleDetection": "force",
    "types": ["bun-types"],
    "allowImportingTsExtensions": true,
    "noEmit": true,
    "strict": true,
    "downlevelIteration": true,
    "skipLibCheck": true,
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "allowJs": true,

    // strict: https://github.com/tsconfig/bases/blob/main/bases/strictest.json
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "isolatedModules": true,
    "checkJs": true,
    "esModuleInterop": true
  },
  "include": ["src", "./package.json"]
}