tsconfig.json

{
  "compilerOptions": {
    "target": "es6",   
    "moduleResolution": "node",                     
    "module": "commonjs", 
    "importHelpers": true,
    "inlineSourceMap": true,
    "listFiles": false,
    "traceResolution": false,
    "pretty": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "strictNullChecks": true,
    "forceConsistentCasingInFileNames": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "removeComments": true,
    "declaration": true,
    "lib" : [ "es6" ],
    "outDir": "build",
    "rootDir": "src",
    "baseUrl": ".",
    "paths": {
      "*": [
        "node_modules/*",
        "src/types/*"
      ]
    }
  },
  "include": [
      "src/**/*"
  ],
  "exclude": [
      "node_modules",
      ".vscode"
  ]  
}