Function dispatchRequest

lib/core/dispatchRequest.js:34–89

(config)

 * @returns {Promise} The Promise to be fulfilled
 */
export default function dispatchRequest(config) {
  throwIfCancellationRequested(config);

  config.headers = AxiosHeaders.from(config.headers);

  // Transform request data
  config.data = transformData.call(config, config.transformRequest);

  if (['post', 'put', 'patch'].indexOf(config.method) !== -1) {
    config.headers.setContentType('application/x-www-form-urlencoded', false);
  }

  const adapter = adapters.getAdapter(config.adapter || defaults.adapter, config);

  return adapter(config).then(
    function onAdapterResolution(response) {
      throwIfCancellationRequested(config);

      // Expose the current response on config so that transformResponse can
      // attach it to any AxiosError it throws (e.g. on JSON parse failure).
      // We clean it up afterwards to avoid polluting the config object.
      config.response = response;
      try {
        response.data = transformData.call(config, config.transformResponse, response);
      } finally {
        delete config.response;
      }

      response.headers = AxiosHeaders.from(response.headers);

      return response;
    },
    function onAdapterRejection(reason) {
      if (!isCancel(reason)) {
        throwIfCancellationRequested(config);

        // Transform response data
        if (reason && reason.response) {
          config.response = reason.response;
          try {
            reason.response.data = transformData.call(
              config,
              config.transformResponse,
              reason.response
            );
          } finally {
            delete config.response;
          }
          reason.response.headers = AxiosHeaders.from(reason.response.headers);
        }
      }

      return Promise.reject(reason);
    }
  );
}