react-native-volley/lib/module/index.js

React Native wrapper for the Volley HTTP library for Android

import { NativeModules } from 'react-native';
const {
  Volley
} = NativeModules;
/**
 * Performs a HTTP request to the provided URL with optional options.
 *
 * @param url
 * @param opts
 */

async function volleyFetch(url, opts = {}) {
  // Sanitize.
  if (opts.method) {
    opts.method = opts.method.toUpperCase();
  }

  if (opts.cache) {
    opts.cache = opts.cache.toLowerCase();
  } // Extend defaults.


  const fetchOpts = Object.assign({
    method: 'GET',
    cache: 'default',
    headers: {},
    body: null
  }, opts);

  try {
    // Await native response.
    const nativeResponse = await Volley.fetch(url, fetchOpts); // Return response.

    return {
      ok: true,
      status: nativeResponse.status,
      statusText: 'OK',
      headers: new Headers(nativeResponse.headers || {}),
      json: () => {
        return new Promise((resolve, reject) => {
          try {
            resolve(JSON.parse(nativeResponse.body));
          } catch (err) {
            reject(err);
          }
        });
      },
      text: () => {
        return new Promise((resolve, reject) => {
          try {
            resolve(nativeResponse.body);
          } catch (err) {
            reject(err);
          }
        });
      },
      blob: () => {
        return new Promise((resolve, reject) => {
          let blobType = '';

          if (opts && opts.headers && opts.headers['Content-Type']) {
            blobType = opts.headers['Content-Type'];
          }

          try {
            resolve(new Blob(nativeResponse.body, {
              type: blobType
            }));
          } catch (err) {
            reject(err);
          }
        });
      }
    };
  } catch (err) {
    // Throw error.
    throw new Error(err);
  }
}

const volleyApi = {
  fetch: volleyFetch
};
export default volleyApi;
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