tsconfig.json

{
  "compilerOptions": {
    "charset": "utf8",
    "noEmitOnError": true,
    "resolveJsonModule": true,
    "stripInternal": true,
    "target": "ES2018",
    "incremental": true,
    "module": "commonjs",
    "lib": [
      "es2018",
      "dom"
    ],
    "declaration": true,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": false,
    "inlineSourceMap": true,
    "inlineSources": true,
    "experimentalDecorators": true,
    "strictPropertyInitialization": false,
    "typeRoots": ["./node_modules/@types"]
  },
  "exclude": ["cdk.out"]
}