tsconfig.json

{
  "compilerOptions": {
    "outDir": "build",
    "module": "esnext",
    "target": "es5",
    "lib": ["es6", "dom", "es2016", "es2017"],
    "sourceMap": true,
    "allowJs": false,
    "jsx": "react",
    "moduleResolution": "node",
    "forceConsistentCasingInFileNames": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "suppressImplicitAnyIndexErrors": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "strict": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "declaration": false,
    "noEmit": true
  },
  "include": ["src/core/*.*", "src/web/*/*", "node_modules/jest-fetch-mock"],
  "exclude": [
    "/node_modules",
    "/build",
    "/dist",
    "/react-native",
    "/examples",
    "rollup.config.js",
    "src/__tests__/*"
  ]
}