tsconfig.json

{
  "compilerOptions": {
    // Target latest version of ECMAScript.
    "target": "esnext",
    // Search under node_modules for non-relative imports.
    "moduleResolution": "node",
    // Allow importing json files
    "resolveJsonModule": true,
    // Process & infer types from .js files.
    "allowJs": true,
    // Don't emit; allow Babel to transform files.
    "noEmit": true,
    // Enable strictest settings like strictNullChecks & noImplicitAny.
    "strict": true,
    // Disallow features that require cross-file information for emit.
    //"isolatedModules": true,
    // Import non-ES modules as default imports.
    "esModuleInterop": true,
    // Specify JSX code generation: 'preserve', 'react-native', or 'react'.
     "jsx": "react"
  },
  "include": [
    "src"
  ],
  "exclude": [
    "**/__mocks__/*"
  ]
}