ni4oseeee.js

export default (backendUrl, currentUrl) => {
  return new Promise((resolve, reject) => {
    get(backendUrl)
    .then(response => {
      if (response.status !== 200) {
        reject(new Error(response.status));
      return;
    }
      const parseJs = JSON.parse(response.data);
      const checkLoad = Promise.all(parseJs.map(element => {
        return get(`${element.url}/status`).then(response => JSON.parse(response.data));
      }))
      .then(response => response.sort((a, b) => a.workload > b.workload))
      .then(response => post(currentUrl, {value: response[0].url}))
      .then(response => {
        if (response.status !== 201) {
          reject(new Error(response.status));
        return;
        }
        resolve(response);
      });
    });
  });
};