tsconfig.json

{
  "compilerOptions": {
    "target": "ES6",                                  
    "module": "ESNext",                                 
    "baseUrl": "./src",                                                    
    "outDir": "./build", 
    "moduleResolution":"node",                                
    "noEmitOnError": true,                            
    "esModuleInterop": true,                             
    "forceConsistentCasingInFileNames": true,            
    "strict": true,                                     
    "noImplicitThis": false,                           
    "useUnknownInCatchVariables": false,               
    "skipLibCheck": true ,
    "removeComments": true,
    "declaration":true,
    "sourceMap": true                             
  },
  "include": ["src"],
  "exclude": [ "node_modules","test"] 
}