tsconfig.base.json

{
  "extends": "@tsconfig/node14/tsconfig.json",
  "compilerOptions": {
    "declaration": true,
    "allowJs": true,
    "useDefineForClassFields": true,
    "esModuleInterop": false,
    "resolveJsonModule": true
  },
  "ts-node": {
    "files": true
  }
}