tsconfig.json

{
	// the Guardian’s recommended TypeScript config
	// See https://github.com/guardian/csnx/tree/main/libs/%40guardian/tsconfig
	"extends": "@guardian/tsconfig",
	"compilerOptions": {
		"checkJs": true,
		// before TS 5.0 you could not import files with an `.ts` extension, and had to rely on either `.js` or omitting the extension entirely and relying on the node module resolution algorithm. This setting is more explicit about what files is actually imported
		"allowImportingTsExtensions": true,
		"noEmit": true,
		"moduleResolution": "Bundler" // required for `allowImportingTsExtensions`
	},
	"exclude": ["node_modules"]
}