tsconfig.json

{
  "exclude": ["node_modules", "__test", "jest.config.js"],
  "compilerOptions": {
    // Target latest version of ECMAScript.
		"target": "esnext",
    // Search under node_modules for non-relative imports.
		"moduleResolution": "node",
    "module": "commonjs",
    // Enable strictest settings like strictNullChecks & noImplicitAny.
    "strict": true,
    // Disallow features that require cross-file information for emit. Ensure that Babel can safely transpile files in the TypeScript project
		"isolatedModules": true,
		// Import non-ES modules as default imports.
		"esModuleInterop": true,
    // Process & infer types from .js files.
    "allowJs": true,
    // Don't emit; allow Babel to transform files.
		"noEmit": true
  },
	"include": [
		"src"
	]
}