tsconfig.json

{
  "compilerOptions": {
    "lib": ["esnext", "dom"],
    "types": ["wicg-file-system-access", "trusted-types", "dom-view-transitions"],
    "esModuleInterop": true,
    "target": "esnext",
    "module": "esnext",
    "moduleResolution": "bundler",
    "allowJs": true,
    "rootDir": "src",
    "outDir": "build",
    "plugins": [
      {
        "name": "ts-lit-plugin",
        "strict": true
      }
    ],
    "allowUnreachableCode": false,
    "inlineSources": true,
    "noEmitOnError": false,
    "noErrorTruncation": false,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUnusedLocals": true,
    "preserveConstEnums": false,
    "skipDefaultLibCheck": true,
    "sourceMap": true,
    "strictFunctionTypes": true,
    "strictNullChecks": true,
    "strictPropertyInitialization": true,
    "stripInternal": true,
    "useUnknownInCatchVariables": true
  },
  "include": ["src/**/*.ts"]
}