tsconfig.json

{
  "compilerOptions": {
    "target": "esnext",
    "module": "CommonJS",
    "noEmitOnError": true,
    "lib": ["es2017", "dom", "dom.iterable"],
    "esModuleInterop": false,
    "declaration": true,
    "emitDeclarationOnly": false,
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "importHelpers": true,
    "sourceMap": true,
    "inlineSources": true,
    "isolatedModules": true,
    "baseUrl": ".",
    "outDir": "dist",
    "resolveJsonModule": true,
    "composite": true,
    "strictPropertyInitialization": false,
    "noImplicitAny": false,
    "skipLibCheck": true
  },
  "include": ["lib", "lib/index.ts", "umbraco.config.ts"],
  "exclude": ["node_modules", "tests/**/*.spec.ts"]
}