PROJECT_HIPSTAGRAM/src/helpers/getGQL.js

import backendURL from './backendUrl'

export const getGQL = (url) => (query, variables) =>
  fetch(url, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      ...(localStorage.authToken
        ? { Authorization: 'Bearer ' + localStorage.authToken }
        : {}),
    },
    body: JSON.stringify({ query, variables }),
  })
    .then((res) => res.json())
    .then((data) => {
      if (data.data) {
        return Object.values(data.data)[0]
      } else {
        throw new Error(JSON.stringify(data.errors))
      }
    })

export const gql = getGQL(backendURL+'/graphql')