TIL 2020/08/13

import { createHttpLink } from 'apollo-link-http';

const httpLink = createHttpLink({
    uri: BACKEND_URI,
    fetch,
    credentials: 'same-origin', 
  });

import { createUploadLink } from 'apollo-upload-client';
const httpLink = createUploadLink({
    uri: BACKEND_URI,
    fetch,
    credentials: 'same-origin', // 'include' 변경 후 검토필요 // Additional fetch() options like `credentials` or `headers`
  });

 Mutation: {
    createImage: async (_, { file, size }) => {
      const { filename, mimetype, createReadStream } = await file;
      const { keyFilename, projectId, bucketName, fileName, metadata } = uploadPicturesHelper(
        filename,
        mimetype,
      );

graphql 파일전송시 apollo-upload-client라는 라이브러리를 통해서 데이터를 전송할 수 있다.