tsconfig.json

{
  "ts-node": {
    // these options are overrides used only by ts-node
    // same as the --compilerOptions flag and the TS_NODE_COMPILER_OPTIONS environment variable
    "compilerOptions": {
      "module": "commonjs"
    }
  },
  "compilerOptions": {
    "target": "ES2020",
    "module": "commonjs",
    "moduleResolution": "node",
    "lib": ["ES2020"],
    "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,
    "strictPropertyInitialization": true,
    "outDir": "dist",
    "allowJs": true,
    "typeRoots": ["./node_modules/@types"],
    "types": ["node", "jest"]
  },
  "exclude": ["cdk.out", "./dist/**/*"]
}