mango-v4/tsconfig.json

{
  "compilerOptions": {
    "esModuleInterop": true,
    "module": "esnext",
    "moduleResolution": "node",
    "noEmit": true,
    "noImplicitAny": false,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "strictNullChecks": true,
    "target": "esnext"
  },
  "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"
    }
  },
  "include": ["ts/client/src"],
  "exclude": ["ts/client/scripts"]
}