tsconfig.json

{
  "compilerOptions": {
    "lib": ["ESNext"],
    "module": "esnext",
    "target": "esnext",
    "moduleResolution": "bundler",
    "moduleDetection": "force",
    "allowImportingTsExtensions": true,
    "noEmit": true,
    "composite": true,
    "strict": true,
    "downlevelIteration": true,
    "skipLibCheck": true,
    "jsx": "react",
    "jsxFactory": "Html.createElement",
    "jsxFragmentFactory": "Html.Fragment",
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "allowJs": true,
    "types": [
      "bun-types" // add Bun global
    ],
    // non bun init
    // "plugins": [{ "name": "@kitajs/ts-html-plugin" }],
    "noUncheckedIndexedAccess": true,
    // "noUnusedLocals": true,
    // "noUnusedParameters": true,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true
    // "noImplicitReturns": true
  }
}