tsconfig.json

{
  "compilerOptions": {
    "strict": true,
    "removeComments": true,
    "baseUrl": "./src",
    "outDir": "build",
    "module": "esnext",
    "target": "es6",
    "jsx": "react-jsx",
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "lib": ["es6", "dom"],
    "sourceMap": true,
    "allowJs": true,
    "rootDir": "./",
    "forceConsistentCasingInFileNames": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noImplicitAny": false,
    "importHelpers": true,
    "strictNullChecks": true,
    "noUnusedLocals": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "resolveJsonModule": true
  },
  "include": ["src"],
  "references": [
    {
      "path": "./tsconfig.node.json"
    }
  ]
}