tsconfig.json

{
  "compilerOptions": {
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "strict": true,
    "target": "es2017",                                
    "module": "commonjs",                    
    "allowJs": true,                             
    "esModuleInterop": true,                        
    "skipLibCheck": true,                           
    "forceConsistentCasingInFileNames": true,
    "rootDir": ".",
    "outDir": "./dist",
    "resolveJsonModule": true,
    "declaration": true,
    "declarationMap": true,
    "removeComments": false,
    "noEmit": false,
    "typeRoots": [
      "./node_modules/@types",
      "functions/@types"
    ]
  },
  "include": [
    "functions/**/*.ts",
    "functions",
    "./index.ts",
    "package.json",
    "package-lock.json"
  ],
  "exclude": [
    "node_modules",
    "*.test.ts",
    "functions/**/*.test.ts"
  ],
}