fmode-server/tsconfig.json

{
    "compilerOptions": {
      "strict": true,
      "target": "ES6",
      "module": "commonjs",
      "declaration": true,
      "rootDir":"./src",
      "outDir": "./dist/tsbuild",
      "esModuleInterop": true,
    },
    "include": ["src/**/*.ts"],
    "exclude": ["src/**/*.spec.ts"]
  }