@livechat/file-upload/dist/file-upload.cjs.js

Simple promisified XHR file upload with cancellation

'use strict';

var toFormData = function toFormData(object) {
  var formData = new FormData();
  Object.keys(object).forEach(function (key) {
    return formData.append(key, object[key]);
  });
  return formData;
};

var UPLOAD_FAILED = 'UPLOAD_FAILED';
var UPLOAD_CANCELED = 'UPLOAD_CANCELED';

var uploadFile = function uploadFile(url, data, _temp) {
  var _ref = _temp === void 0 ? {} : _temp,
      headers = _ref.headers,
      _ref$method = _ref.method,
      method = _ref$method === void 0 ? 'POST' : _ref$method,
      onProgress = _ref.onProgress,
      _ref$withCredentials = _ref.withCredentials,
      withCredentials = _ref$withCredentials === void 0 ? false : _ref$withCredentials;

  var xhr = new XMLHttpRequest();
  var upload = new Promise(function (resolve, reject) {
    if (typeof onProgress === 'function') {
      xhr.upload.onprogress = function (event) {
        onProgress(event.loaded / event.total);
      };
    }

    xhr.onload = function () {
      var response;

      try {
        response = JSON.parse(xhr.response);
      } catch (err) {
        response = xhr.response;
      }

      if (xhr.status >= 200 && xhr.status < 300) {
        resolve(response);
        return;
      }

      var err = new Error('Upload failed.');
      err.code = UPLOAD_FAILED;
      err.response = response;
      reject(err);
    };

    xhr.onerror = function () {
      var err = new Error('Upload failed.');
      err.code = UPLOAD_FAILED;
      reject(err);
    };

    xhr.onabort = function () {
      var err = new Error('Upload canceled.');
      err.code = UPLOAD_CANCELED;
      reject(err);
    };

    xhr.open(method, url);
    xhr.withCredentials = withCredentials;

    if (headers) {
      Object.keys(headers).forEach(function (header) {
        return xhr.setRequestHeader(header, headers[header]);
      });
    }

    xhr.send(toFormData(data));
  });
  return {
    promise: upload,
    cancel: function cancel() {
      xhr.abort();
    }
  };
};

module.exports = uploadFile;