tsconfig.json

{
	"compilerOptions": {
		/* Basic Options */
		"target": "ES2018" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */,
		"allowJs": true /* Allow javascript files to be compiled. */,
		"jsx": "react" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
		"declaration": true /* Generates corresponding '.d.ts' file. */,
		"outDir": "./compiled" /* Redirect output structure to the directory. */,

		/* Strict Type-Checking Options */
		"strict": true /* Enable all strict type-checking options. */,

		/* Module Resolution Options */
		"moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
		"allowSyntheticDefaultImports": true,
		"esModuleInterop": true /* Enabled for compatibility with Jest (and Babel) */,
		"skipLibCheck": true,

		/* Advanced Options */
		"resolveJsonModule": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
	},
	"include": ["./src/**/*"],
	"exclude": ["./src/__tests__"]
}