client.js

import fetch from 'node-fetch';

const apiBaseUrl = process.env.API_BASE_URL || 'http://localhost:8080/api/';
const appUser = process.env.APP_USER || 'admin';
const appPassword = process.env.APP_PASSWORD || 'root';

const get = async (url, qs) => {
  let result;
  if (url.startsWith('http')) {
    result = await fetch(url,
        {
          headers: {
            'Authorization': 'Basic ' + Buffer.from(appUser + ':' + appPassword)
                .toString('base64'),
          },
        });
  } else {
    result = await fetch(apiBaseUrl+url+'?'+new URLSearchParams(qs),
        {
          headers: {
            'Authorization': 'Basic ' + Buffer.from(appUser + ':' + appPassword)
                .toString('base64'),
          },
        });
  }
  if (result.status === 404) {
    return 'NOT_FOUND';
  }
  if (result.status > 399) {
    return null;
  }
  return await result.json();
};

const post = async (url, json) => {
  const opts = {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'Authorization': 'Basic ' + Buffer.from(appUser + ':' + appPassword)
          .toString('base64'),
    },
    body: JSON.stringify(json)};

  const result = await fetch(apiBaseUrl+url, opts);
  return await result.json();
};

const put = async (url, json) => {
  const opts = {
    method: 'PUT',
    headers: {
      'Content-Type': 'application/json',
      'Authorization': 'Basic ' + Buffer.from(appUser + ':' + appPassword)
          .toString('base64'),
    },
    body: JSON.stringify(json),
  };

  const result = await fetch(url, opts);
  return await result.json();
};

export {get, post, put};