networHelper.js

import fetch from 'isomorphic-fetch'
import { ENV } from 'constants/env'

export const URL = (path, host, schema = 'http') => {
  return `${schema}://${host}/${path}/`
}

export const GET = 'GET'
export const DELETE = 'DELETE'
export const HEAD = 'HEAD'
export const PATCH = 'PATCH'
export const POST = 'POST'
export const PUT = 'PUT'
export const OPTIONS = 'OPTIONS'

const fetchWith = (method, url, body, headers) => {
  return fetch(url, {
    method,
    body,
    headers
  })
}

export function request (host, headers = {}, secure = true) {
  return (path, method, params = {}, extraHeaders = {}) => fetchWith(
    method,
    URL(path, host, `http${secure ? 's' : ''}`),
    params,
    { ...headers, ...extraHeaders }
  )
}

export function makeClient (base, headers) {
  const fetch = request(`${base}/v1`, headers, ENV === 'production')
  return async function client (path, method, params) {
    const response = await fetch(path, method, JSON.stringify(params))
    const status = response.status
    let data
    try {
      data = await response.json()
    } catch (error) {
      data = error
    }
    return { status, data }
  }
}

export const defaultHeaders = {
  'Accept': 'application/json',
  'Content-Type': 'application/json'
}