tsconfig.json

{
  "compilerOptions": {
    "target": "ES2018",
    "module": "esnext",
    "moduleResolution": "node",
    "lib": ["es2018"],
    "declaration": true,
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true /* Report errors on unused locals. */,
    "noUnusedParameters": true /* Report errors on unused parameters. */,
    "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
    "inlineSourceMap": true,
    "inlineSources": true,
    "experimentalDecorators": true,
    "strictPropertyInitialization": false,
    "outDir": "./dist",
    "allowJs": true,
    "typeRoots": ["./node_modules/@types"],
    "forceConsistentCasingInFileNames": true
  },
  "exclude": ["cdk.out", "./dist/**/*"]
}