tsconfig.json

{
  "compilerOptions": {
    "moduleResolution": "node",
    "module": "commonjs",
    "target": "es5",
    "sourceMap": true,
    "outDir": "dist/",
    "rootDir": "src",
    "baseUrl": ".",
    "esModuleInterop": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "allowSyntheticDefaultImports": true,
    "importHelpers": true,
    "noEmitHelpers": true,
    "noEmitOnError": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "strictNullChecks": true,
    "pretty": true,
    "removeComments": true,
    "allowJs": true,
    "checkJs": true,
    "declaration": false,
    "jsx": "react",
    "lib": [
      "dom",
      "es2015",
      "es2016",
      "es2017"
    ],
    "paths": {
      "@app/*": [
        "src/*"
      ]
    }
  },
  "include": [
    "src/**/*"
  ],
  "exclude": [
    "node_modules"
  ]
}