backend-template/packages/core/tsconfig.json

{
  "exclude": ["node_modules"],
  "include": ["src", "types"],
  "compilerOptions": {
    "module": "ESNext",
    "lib": ["ESNext"],
    "importHelpers": true,
    "declaration": true,
    "sourceMap": true,
    "rootDir": "./src",
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "moduleResolution": "node",
    "jsx": "react",
    "esModuleInterop": true,
    "target": "es2018"
  }
}