remix-i18next/src/lib/get-headers.ts

The easiest way to translate your Full Stack React Router apps

/**
 * Receives a Request or Headers objects.
 * If it's a Request returns the request.headers
 * If it's a Headers returns the object directly.
 */
export function getHeaders(requestOrHeaders: Request | Headers): Headers {
	if (requestOrHeaders instanceof Request) {
		return requestOrHeaders.headers;
	}

	return requestOrHeaders;
}