apiHelper-example.js

import LocalStorage from '../logic/LocalStorage';

let instance;
const ACCEPT_HEADER = 'application/json, text/plain, */*; api-token:';
const CONTENT_TYPE_HEADER = 'application/x-www-form-urlencoded';

const defaultHeaders = {
  Accept: ACCEPT_HEADER,
  'Content-Type': CONTENT_TYPE_HEADER,
};

/**
 * Gets the axios instance
 */
export const getInstance = () => instance;

/**
 * Set the token header after logging in
 * @param AUTH_TOKEN
 */
export const setTokenHeader = (AUTH_TOKEN) => {
  instance.defaults.headers.Accept = `${ACCEPT_HEADER}${AUTH_TOKEN}`;
};

/**
 * Remove token header after logging out
 */
export const removeTokenHeader = () => {
  instance.defaults.headers.Accept = defaultHeaders.Accept;
};

/**
 * Create a new instance of axios with the provided config
 * @param baseURL, client API endpoint
 */
export function createRestInstance(baseURL) {
  instance = axios.create({
    baseURL,
    headers: defaultHeaders,
  });
}

/**
 * Check token in localStorage, in case user was previously logged in
 */
export function checkIfUserWasLoggedIn() {
  const stashedData = LocalStorage.getData();
  if (stashedData.token) {
    setTokenHeader(stashedData.token);
  }
}

export const rest = {
  httpGet: url => instance.get(url),
  httpPost: (url, payload) => instance.post(url, payload),
  httpDelete: url => instance.delete(url),
  httpPut: (url, payload) => instance.put(url, payload),
};