fetchye-core/lib/defaultFetcher.js

Core components of the Fetchye library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.defaultFetcher = exports.headersToObject = void 0;

/*
 * Copyright 2020 American Express Travel Related Services Company, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
// Object.fromEntries is not compatible with Node v10
// provide our own lightweight solution
const headersToObject = (headers = []) => [...headers].reduce((acc, [key, value]) => {
  acc[key] = value;
  return acc;
}, {});

exports.headersToObject = headersToObject;

const defaultFetcher = async (fetchClient, key, options) => {
  let res;
  let payload;
  let error;

  try {
    res = await fetchClient(key, options);
    let body = await res.text();

    try {
      body = JSON.parse(body);
    } catch (e) {// body will still be the text from the response, so no action needed here
    }

    payload = {
      body,
      ok: res.ok,
      headers: headersToObject(res.headers),
      status: res.status
    };
  } catch (requestError) {
    // eslint-disable-next-line no-console -- error useful to developer in specific error case
    console.error(requestError);
    error = requestError;
  }

  return {
    payload,
    error
  };
};

exports.defaultFetcher = defaultFetcher;
var _default = defaultFetcher;
exports.default = _default;