ihub-framework-js/request/index.js

Legacy version of iHub Framework written in Javascript

const axios = require('axios');

const instance = axios.create({
  timeout: 60000,
});

instance.interceptors.response.use(undefined, (err) => {
  const { config } = err;
  // If config does not exist or the retry option is not set or is a bad request (code 404) or not found (400) then reject immediately the request
  if (!config || !config.retry || (err.response !== undefined
    && (err.response.status === 400 || err.response.status === 404))) {
    return Promise.reject(err);
  }

  // Set the variable for keeping track of the retry count
  config.retryCount = config.retryCount || 0;

  // Check if we've maxed out the total number of retries
  if (config.retryCount >= config.retry) {
    // Reject with the error
    return Promise.reject(err);
  }

  // Increase the retry count
  config.retryCount += 1;

  // Create new promise to handle exponential backoff
  const backoff = new Promise(((resolve) => {
    setTimeout(() => {
      resolve();
    }, config.retryDelay || 1);
  }));

  // Return the promise in which recalls axios to retry the request
  return backoff.then(() => axios(config));
});

module.exports = () => instance;