aretherecookies-mobile/js/apis/FetchApi.js

// @flow
import { BASE_URL } from '../constants/AppConstants';
import AuthManager from '../AuthManager';

export const fetchRequest = async ({
	endpoint,
	method,
	headers = {},
	body,
}: {
	endpoint: string,
	method: string,
	headers?: Object,
	body?: Object,
}) => {
	const res = await fetch(`http://${BASE_URL}${endpoint}`, {
		method,
		headers: {
			'Content-Type': 'application/json',
			...AuthManager.getAuthHeader(),
			...headers,
		},
		...(body ? { body: JSON.stringify(body) } : {}),
	});

	if (res.status === 401) {
		AuthManager.deauthenticate();
	}

	if (!res.ok) {
		throw new Error(await res.text());
	}

	return res.json();
};

export const fetchRequestBinary = async ({ endpoint, body }: { endpoint: string, body: any }) => {
	return fetch(`http://${BASE_URL}${endpoint}`, {
		method: 'POST',
		headers: {
			...AuthManager.getAuthHeader(),
		},
		body,
	});
};