WordPress/wp-includes/js/dist/media-utils.js

this["wp"] = this["wp"] || {}; this["wp"]["mediaUtils"] =
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"use strict";
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// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/classCallCheck.js
var classCallCheck = __webpack_require__(12);

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// CONCATENATED MODULE: ./node_modules/@wordpress/media-utils/build-module/components/media-upload/index.js







/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */



var _window = window,
    wp = _window.wp;

var getFeaturedImageMediaFrame = function getFeaturedImageMediaFrame() {
  return wp.media.view.MediaFrame.Select.extend({
    /**
     * Enables the Set Featured Image Button.
     *
     * @param {Object} toolbar toolbar for featured image state
     * @return {void}
     */
    featuredImageToolbar: function featuredImageToolbar(toolbar) {
      this.createSelectToolbar(toolbar, {
        text: wp.media.view.l10n.setFeaturedImage,
        state: this.options.state
      });
    },

    /**
     * Create the default states.
     *
     * @return {void}
     */
    createStates: function createStates() {
      this.on('toolbar:create:featured-image', this.featuredImageToolbar, this);
      this.states.add([new wp.media.controller.FeaturedImage()]);
    }
  });
}; // Getter for the sake of unit tests.


var media_upload_getGalleryDetailsMediaFrame = function getGalleryDetailsMediaFrame() {
  /**
   * Custom gallery details frame.
   *
   * @see https://github.com/xwp/wp-core-media-widgets/blob/905edbccfc2a623b73a93dac803c5335519d7837/wp-admin/js/widgets/media-gallery-widget.js
   * @class GalleryDetailsMediaFrame
   * @class
   */
  return wp.media.view.MediaFrame.Post.extend({
    /**
     * Create the default states.
     *
     * @return {void}
     */
    createStates: function createStates() {
      this.states.add([new wp.media.controller.Library({
        id: 'gallery',
        title: wp.media.view.l10n.createGalleryTitle,
        priority: 40,
        toolbar: 'main-gallery',
        filterable: 'uploaded',
        multiple: 'add',
        editable: false,
        library: wp.media.query(Object(external_lodash_["defaults"])({
          type: 'image'
        }, this.options.library))
      }), new wp.media.controller.GalleryEdit({
        library: this.options.selection,
        editing: this.options.editing,
        menu: 'gallery',
        displaySettings: false,
        multiple: true
      }), new wp.media.controller.GalleryAdd()]);
    }
  });
}; // the media library image object contains numerous attributes
// we only need this set to display the image in the library


var media_upload_slimImageObject = function slimImageObject(img) {
  var attrSet = ['sizes', 'mime', 'type', 'subtype', 'id', 'url', 'alt', 'link', 'caption'];
  return Object(external_lodash_["pick"])(img, attrSet);
};

var getAttachmentsCollection = function getAttachmentsCollection(ids) {
  return wp.media.query({
    order: 'ASC',
    orderby: 'post__in',
    post__in: ids,
    posts_per_page: -1,
    query: true,
    type: 'image'
  });
};

var media_upload_MediaUpload =
/*#__PURE__*/
function (_Component) {
  Object(inherits["a" /* default */])(MediaUpload, _Component);

  function MediaUpload(_ref) {
    var _this;

    var allowedTypes = _ref.allowedTypes,
        _ref$gallery = _ref.gallery,
        gallery = _ref$gallery === void 0 ? false : _ref$gallery,
        _ref$unstableFeatured = _ref.unstableFeaturedImageFlow,
        unstableFeaturedImageFlow = _ref$unstableFeatured === void 0 ? false : _ref$unstableFeatured,
        modalClass = _ref.modalClass,
        _ref$multiple = _ref.multiple,
        multiple = _ref$multiple === void 0 ? false : _ref$multiple,
        _ref$title = _ref.title,
        title = _ref$title === void 0 ? Object(external_this_wp_i18n_["__"])('Select or Upload Media') : _ref$title;

    Object(classCallCheck["a" /* default */])(this, MediaUpload);

    _this = Object(possibleConstructorReturn["a" /* default */])(this, Object(getPrototypeOf["a" /* default */])(MediaUpload).apply(this, arguments));
    _this.openModal = _this.openModal.bind(Object(assertThisInitialized["a" /* default */])(_this));
    _this.onOpen = _this.onOpen.bind(Object(assertThisInitialized["a" /* default */])(_this));
    _this.onSelect = _this.onSelect.bind(Object(assertThisInitialized["a" /* default */])(_this));
    _this.onUpdate = _this.onUpdate.bind(Object(assertThisInitialized["a" /* default */])(_this));
    _this.onClose = _this.onClose.bind(Object(assertThisInitialized["a" /* default */])(_this));

    if (gallery) {
      _this.buildAndSetGalleryFrame();
    } else {
      var frameConfig = {
        title: title,
        multiple: multiple
      };

      if (!!allowedTypes) {
        frameConfig.library = {
          type: allowedTypes
        };
      }

      _this.frame = wp.media(frameConfig);
    }

    if (modalClass) {
      _this.frame.$el.addClass(modalClass);
    }

    if (unstableFeaturedImageFlow) {
      _this.buildAndSetFeatureImageFrame();
    }

    _this.initializeListeners();

    return _this;
  }

  Object(createClass["a" /* default */])(MediaUpload, [{
    key: "initializeListeners",
    value: function initializeListeners() {
      // When an image is selected in the media frame...
      this.frame.on('select', this.onSelect);
      this.frame.on('update', this.onUpdate);
      this.frame.on('open', this.onOpen);
      this.frame.on('close', this.onClose);
    }
  }, {
    key: "buildAndSetGalleryFrame",
    value: function buildAndSetGalleryFrame() {
      var _this$props = this.props,
          _this$props$addToGall = _this$props.addToGallery,
          addToGallery = _this$props$addToGall === void 0 ? false : _this$props$addToGall,
          allowedTypes = _this$props.allowedTypes,
          _this$props$multiple = _this$props.multiple,
          multiple = _this$props$multiple === void 0 ? false : _this$props$multiple,
          _this$props$value = _this$props.value,
          value = _this$props$value === void 0 ? null : _this$props$value; // If the value did not changed there is no need to rebuild the frame,
      // we can continue to use the existing one.

      if (value === this.lastGalleryValue) {
        return;
      }

      this.lastGalleryValue = value; // If a frame already existed remove it.

      if (this.frame) {
        this.frame.remove();
      }

      var currentState;

      if (addToGallery) {
        currentState = 'gallery-library';
      } else {
        currentState = value ? 'gallery-edit' : 'gallery';
      }

      if (!this.GalleryDetailsMediaFrame) {
        this.GalleryDetailsMediaFrame = media_upload_getGalleryDetailsMediaFrame();
      }

      var attachments = getAttachmentsCollection(value);
      var selection = new wp.media.model.Selection(attachments.models, {
        props: attachments.props.toJSON(),
        multiple: multiple
      });
      this.frame = new this.GalleryDetailsMediaFrame({
        mimeType: allowedTypes,
        state: currentState,
        multiple: multiple,
        selection: selection,
        editing: value ? true : false
      });
      wp.media.frame = this.frame;
      this.initializeListeners();
    }
  }, {
    key: "buildAndSetFeatureImageFrame",
    value: function buildAndSetFeatureImageFrame() {
      var featuredImageFrame = getFeaturedImageMediaFrame();
      var attachments = getAttachmentsCollection(this.props.value);
      var selection = new wp.media.model.Selection(attachments.models, {
        props: attachments.props.toJSON()
      });
      this.frame = new featuredImageFrame({
        mimeType: this.props.allowedTypes,
        state: 'featured-image',
        multiple: this.props.multiple,
        selection: selection,
        editing: this.props.value ? true : false
      });
      wp.media.frame = this.frame;
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.frame.remove();
    }
  }, {
    key: "onUpdate",
    value: function onUpdate(selections) {
      var _this$props2 = this.props,
          onSelect = _this$props2.onSelect,
          _this$props2$multiple = _this$props2.multiple,
          multiple = _this$props2$multiple === void 0 ? false : _this$props2$multiple;
      var state = this.frame.state();
      var selectedImages = selections || state.get('selection');

      if (!selectedImages || !selectedImages.models.length) {
        return;
      }

      if (multiple) {
        onSelect(selectedImages.models.map(function (model) {
          return media_upload_slimImageObject(model.toJSON());
        }));
      } else {
        onSelect(media_upload_slimImageObject(selectedImages.models[0].toJSON()));
      }
    }
  }, {
    key: "onSelect",
    value: function onSelect() {
      var _this$props3 = this.props,
          onSelect = _this$props3.onSelect,
          _this$props3$multiple = _this$props3.multiple,
          multiple = _this$props3$multiple === void 0 ? false : _this$props3$multiple; // Get media attachment details from the frame state

      var attachment = this.frame.state().get('selection').toJSON();
      onSelect(multiple ? attachment : attachment[0]);
    }
  }, {
    key: "onOpen",
    value: function onOpen() {
      this.updateCollection();

      if (!this.props.value) {
        return;
      }

      if (!this.props.gallery) {
        var selection = this.frame.state().get('selection');
        Object(external_lodash_["castArray"])(this.props.value).forEach(function (id) {
          selection.add(wp.media.attachment(id));
        });
      } // load the images so they are available in the media modal.


      getAttachmentsCollection(Object(external_lodash_["castArray"])(this.props.value)).more();
    }
  }, {
    key: "onClose",
    value: function onClose() {
      var onClose = this.props.onClose;

      if (onClose) {
        onClose();
      }
    }
  }, {
    key: "updateCollection",
    value: function updateCollection() {
      var frameContent = this.frame.content.get();

      if (frameContent && frameContent.collection) {
        var collection = frameContent.collection; // clean all attachments we have in memory.

        collection.toArray().forEach(function (model) {
          return model.trigger('destroy', model);
        }); // reset has more flag, if library had small amount of items all items may have been loaded before.

        collection.mirroring._hasMore = true; // request items

        collection.more();
      }
    }
  }, {
    key: "openModal",
    value: function openModal() {
      if (this.props.gallery && this.props.value && this.props.value.length > 0) {
        this.buildAndSetGalleryFrame();
      }

      this.frame.open();
    }
  }, {
    key: "render",
    value: function render() {
      return this.props.render({
        open: this.openModal
      });
    }
  }]);

  return MediaUpload;
}(external_this_wp_element_["Component"]);

/* harmony default export */ var media_upload = (media_upload_MediaUpload);

// CONCATENATED MODULE: ./node_modules/@wordpress/media-utils/build-module/components/index.js


// EXTERNAL MODULE: ./node_modules/@babel/runtime/regenerator/index.js
var regenerator = __webpack_require__(20);
var regenerator_default = /*#__PURE__*/__webpack_require__.n(regenerator);

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/objectSpread.js
var objectSpread = __webpack_require__(7);

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/asyncToGenerator.js
var asyncToGenerator = __webpack_require__(43);

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js + 2 modules
var toConsumableArray = __webpack_require__(17);

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/slicedToArray.js + 1 modules
var slicedToArray = __webpack_require__(23);

// EXTERNAL MODULE: external {"this":["wp","apiFetch"]}
var external_this_wp_apiFetch_ = __webpack_require__(34);
var external_this_wp_apiFetch_default = /*#__PURE__*/__webpack_require__.n(external_this_wp_apiFetch_);

// EXTERNAL MODULE: external {"this":["wp","blob"]}
var external_this_wp_blob_ = __webpack_require__(35);

// CONCATENATED MODULE: ./node_modules/@wordpress/media-utils/build-module/utils/upload-media.js







/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */




/**
 * Browsers may use unexpected mime types, and they differ from browser to browser.
 * This function computes a flexible array of mime types from the mime type structured provided by the server.
 * Converts { jpg|jpeg|jpe: "image/jpeg" } into [ "image/jpeg", "image/jpg", "image/jpeg", "image/jpe" ]
 * The computation of this array instead of directly using the object,
 * solves the problem in chrome where mp3 files have audio/mp3 as mime type instead of audio/mpeg.
 * https://bugs.chromium.org/p/chromium/issues/detail?id=227004
 *
 * @param {?Object} wpMimeTypesObject Mime type object received from the server.
 *                                    Extensions are keys separated by '|' and values are mime types associated with an extension.
 *
 * @return {?Array} An array of mime types or the parameter passed if it was "falsy".
 */

function getMimeTypesArray(wpMimeTypesObject) {
  if (!wpMimeTypesObject) {
    return wpMimeTypesObject;
  }

  return Object(external_lodash_["flatMap"])(wpMimeTypesObject, function (mime, extensionsString) {
    var _mime$split = mime.split('/'),
        _mime$split2 = Object(slicedToArray["a" /* default */])(_mime$split, 1),
        type = _mime$split2[0];

    var extensions = extensionsString.split('|');
    return [mime].concat(Object(toConsumableArray["a" /* default */])(Object(external_lodash_["map"])(extensions, function (extension) {
      return "".concat(type, "/").concat(extension);
    })));
  });
}
/**
 *	Media Upload is used by audio, image, gallery, video, and file blocks to
 *	handle uploading a media file when a file upload button is activated.
 *
 *	TODO: future enhancement to add an upload indicator.
 *
 * @param   {Object}   $0                    Parameters object passed to the function.
 * @param   {?Array}   $0.allowedTypes       Array with the types of media that can be uploaded, if unset all types are allowed.
 * @param   {?Object}  $0.additionalData     Additional data to include in the request.
 * @param   {Array}    $0.filesList          List of files.
 * @param   {?number}  $0.maxUploadFileSize  Maximum upload size in bytes allowed for the site.
 * @param   {Function} $0.onError            Function called when an error happens.
 * @param   {Function} $0.onFileChange       Function called each time a file or a temporary representation of the file is available.
 * @param   {?Object}  $0.wpAllowedMimeTypes List of allowed mime types and file extensions.
 */

function uploadMedia(_x) {
  return _uploadMedia.apply(this, arguments);
}
/**
 * @param {File}    file           Media File to Save.
 * @param {?Object} additionalData Additional data to include in the request.
 *
 * @return {Promise} Media Object Promise.
 */

function _uploadMedia() {
  _uploadMedia = Object(asyncToGenerator["a" /* default */])(
  /*#__PURE__*/
  regenerator_default.a.mark(function _callee(_ref) {
    var allowedTypes, _ref$additionalData, additionalData, filesList, maxUploadFileSize, _ref$onError, onError, onFileChange, _ref$wpAllowedMimeTyp, wpAllowedMimeTypes, files, filesSet, setAndUpdateFiles, isAllowedType, allowedMimeTypesForUser, isAllowedMimeTypeForUser, triggerError, validFiles, _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, _mediaFile, idx, mediaFile, savedMedia, mediaObject, message;

    return regenerator_default.a.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            allowedTypes = _ref.allowedTypes, _ref$additionalData = _ref.additionalData, additionalData = _ref$additionalData === void 0 ? {} : _ref$additionalData, filesList = _ref.filesList, maxUploadFileSize = _ref.maxUploadFileSize, _ref$onError = _ref.onError, onError = _ref$onError === void 0 ? external_lodash_["noop"] : _ref$onError, onFileChange = _ref.onFileChange, _ref$wpAllowedMimeTyp = _ref.wpAllowedMimeTypes, wpAllowedMimeTypes = _ref$wpAllowedMimeTyp === void 0 ? null : _ref$wpAllowedMimeTyp;
            // Cast filesList to array
            files = Object(toConsumableArray["a" /* default */])(filesList);
            filesSet = [];

            setAndUpdateFiles = function setAndUpdateFiles(idx, value) {
              Object(external_this_wp_blob_["revokeBlobURL"])(Object(external_lodash_["get"])(filesSet, [idx, 'url']));
              filesSet[idx] = value;
              onFileChange(Object(external_lodash_["compact"])(filesSet));
            }; // Allowed type specified by consumer


            isAllowedType = function isAllowedType(fileType) {
              if (!allowedTypes) {
                return true;
              }

              return Object(external_lodash_["some"])(allowedTypes, function (allowedType) {
                // If a complete mimetype is specified verify if it matches exactly the mime type of the file.
                if (Object(external_lodash_["includes"])(allowedType, '/')) {
                  return allowedType === fileType;
                } // Otherwise a general mime type is used and we should verify if the file mimetype starts with it.


                return Object(external_lodash_["startsWith"])(fileType, "".concat(allowedType, "/"));
              });
            }; // Allowed types for the current WP_User


            allowedMimeTypesForUser = getMimeTypesArray(wpAllowedMimeTypes);

            isAllowedMimeTypeForUser = function isAllowedMimeTypeForUser(fileType) {
              return Object(external_lodash_["includes"])(allowedMimeTypesForUser, fileType);
            }; // Build the error message including the filename


            triggerError = function triggerError(error) {
              error.message = [Object(external_this_wp_element_["createElement"])("strong", {
                key: "filename"
              }, error.file.name), ': ', error.message];
              onError(error);
            };

            validFiles = [];
            _iteratorNormalCompletion = true;
            _didIteratorError = false;
            _iteratorError = undefined;
            _context.prev = 12;
            _iterator = files[Symbol.iterator]();

          case 14:
            if (_iteratorNormalCompletion = (_step = _iterator.next()).done) {
              _context.next = 34;
              break;
            }

            _mediaFile = _step.value;

            if (!(allowedMimeTypesForUser && !isAllowedMimeTypeForUser(_mediaFile.type))) {
              _context.next = 19;
              break;
            }

            triggerError({
              code: 'MIME_TYPE_NOT_ALLOWED_FOR_USER',
              message: Object(external_this_wp_i18n_["__"])('Sorry, this file type is not permitted for security reasons.'),
              file: _mediaFile
            });
            return _context.abrupt("continue", 31);

          case 19:
            if (isAllowedType(_mediaFile.type)) {
              _context.next = 22;
              break;
            }

            triggerError({
              code: 'MIME_TYPE_NOT_SUPPORTED',
              message: Object(external_this_wp_i18n_["__"])('Sorry, this file type is not supported here.'),
              file: _mediaFile
            });
            return _context.abrupt("continue", 31);

          case 22:
            if (!(maxUploadFileSize && _mediaFile.size > maxUploadFileSize)) {
              _context.next = 25;
              break;
            }

            triggerError({
              code: 'SIZE_ABOVE_LIMIT',
              message: Object(external_this_wp_i18n_["__"])('This file exceeds the maximum upload size for this site.'),
              file: _mediaFile
            });
            return _context.abrupt("continue", 31);

          case 25:
            if (!(_mediaFile.size <= 0)) {
              _context.next = 28;
              break;
            }

            triggerError({
              code: 'EMPTY_FILE',
              message: Object(external_this_wp_i18n_["__"])('This file is empty.'),
              file: _mediaFile
            });
            return _context.abrupt("continue", 31);

          case 28:
            validFiles.push(_mediaFile); // Set temporary URL to create placeholder media file, this is replaced
            // with final file from media gallery when upload is `done` below

            filesSet.push({
              url: Object(external_this_wp_blob_["createBlobURL"])(_mediaFile)
            });
            onFileChange(filesSet);

          case 31:
            _iteratorNormalCompletion = true;
            _context.next = 14;
            break;

          case 34:
            _context.next = 40;
            break;

          case 36:
            _context.prev = 36;
            _context.t0 = _context["catch"](12);
            _didIteratorError = true;
            _iteratorError = _context.t0;

          case 40:
            _context.prev = 40;
            _context.prev = 41;

            if (!_iteratorNormalCompletion && _iterator.return != null) {
              _iterator.return();
            }

          case 43:
            _context.prev = 43;

            if (!_didIteratorError) {
              _context.next = 46;
              break;
            }

            throw _iteratorError;

          case 46:
            return _context.finish(43);

          case 47:
            return _context.finish(40);

          case 48:
            idx = 0;

          case 49:
            if (!(idx < validFiles.length)) {
              _context.next = 68;
              break;
            }

            mediaFile = validFiles[idx];
            _context.prev = 51;
            _context.next = 54;
            return createMediaFromFile(mediaFile, additionalData);

          case 54:
            savedMedia = _context.sent;
            mediaObject = Object(objectSpread["a" /* default */])({}, Object(external_lodash_["omit"])(savedMedia, ['alt_text', 'source_url']), {
              alt: savedMedia.alt_text,
              caption: Object(external_lodash_["get"])(savedMedia, ['caption', 'raw'], ''),
              title: savedMedia.title.raw,
              url: savedMedia.source_url
            });
            setAndUpdateFiles(idx, mediaObject);
            _context.next = 65;
            break;

          case 59:
            _context.prev = 59;
            _context.t1 = _context["catch"](51);
            // Reset to empty on failure.
            setAndUpdateFiles(idx, null);
            message = void 0;

            if (Object(external_lodash_["has"])(_context.t1, ['message'])) {
              message = Object(external_lodash_["get"])(_context.t1, ['message']);
            } else {
              message = Object(external_this_wp_i18n_["sprintf"])( // translators: %s: file name
              Object(external_this_wp_i18n_["__"])('Error while uploading file %s to the media library.'), mediaFile.name);
            }

            onError({
              code: 'GENERAL',
              message: message,
              file: mediaFile
            });

          case 65:
            ++idx;
            _context.next = 49;
            break;

          case 68:
          case "end":
            return _context.stop();
        }
      }
    }, _callee, null, [[12, 36, 40, 48], [41,, 43, 47], [51, 59]]);
  }));
  return _uploadMedia.apply(this, arguments);
}

function createMediaFromFile(file, additionalData) {
  // Create upload payload
  var data = new window.FormData();
  data.append('file', file, file.name || file.type.replace('/', '.'));
  Object(external_lodash_["forEach"])(additionalData, function (value, key) {
    return data.append(key, value);
  });
  return external_this_wp_apiFetch_default()({
    path: '/wp/v2/media',
    body: data,
    method: 'POST'
  });
}

// CONCATENATED MODULE: ./node_modules/@wordpress/media-utils/build-module/utils/index.js


// CONCATENATED MODULE: ./node_modules/@wordpress/media-utils/build-module/index.js
/* concated harmony reexport MediaUpload */__webpack_require__.d(__webpack_exports__, "MediaUpload", function() { return media_upload; });
/* concated harmony reexport uploadMedia */__webpack_require__.d(__webpack_exports__, "uploadMedia", function() { return uploadMedia; });




/***/ }),

/***/ 38:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _arrayWithHoles; });
function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}

/***/ }),

/***/ 39:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _nonIterableRest; });
function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance");
}

/***/ }),

/***/ 43:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _asyncToGenerator; });
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }

  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}

function _asyncToGenerator(fn) {
  return function () {
    var self = this,
        args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);

      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }

      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }

      _next(undefined);
    });
  };
}

/***/ }),

/***/ 47:
/***/ (function(module, exports, __webpack_require__) {

/**
 * Copyright (c) 2014-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

var runtime = (function (exports) {
  "use strict";

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined; // More compressible than void 0.
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

  function wrap(innerFn, outerFn, self, tryLocsList) {
    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
    var generator = Object.create(protoGenerator.prototype);
    var context = new Context(tryLocsList || []);

    // The ._invoke method unifies the implementations of the .next,
    // .throw, and .return methods.
    generator._invoke = makeInvokeMethod(innerFn, self, context);

    return generator;
  }
  exports.wrap = wrap;

  // Try/catch helper to minimize deoptimizations. Returns a completion
  // record like context.tryEntries[i].completion. This interface could
  // have been (and was previously) designed to take a closure to be
  // invoked without arguments, but in all the cases we care about we
  // already have an existing method we want to call, so there's no need
  // to create a new function object. We can even get away with assuming
  // the method takes exactly one argument, since that happens to be true
  // in every case, so we don't have to touch the arguments object. The
  // only additional allocation required is the completion record, which
  // has a stable shape and so hopefully should be cheap to allocate.
  function tryCatch(fn, obj, arg) {
    try {
      return { type: "normal", arg: fn.call(obj, arg) };
    } catch (err) {
      return { type: "throw", arg: err };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";

  // Returning this object from the innerFn has the same effect as
  // breaking out of the dispatch switch statement.
  var ContinueSentinel = {};

  // Dummy constructor functions that we use as the .constructor and
  // .constructor.prototype properties for functions that return Generator
  // objects. For full spec compliance, you may wish to configure your
  // minifier not to mangle the names of these two functions.
  function Generator() {}
  function GeneratorFunction() {}
  function GeneratorFunctionPrototype() {}

  // This is a polyfill for %IteratorPrototype% for environments that
  // don't natively support it.
  var IteratorPrototype = {};
  IteratorPrototype[iteratorSymbol] = function () {
    return this;
  };

  var getProto = Object.getPrototypeOf;
  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  if (NativeIteratorPrototype &&
      NativeIteratorPrototype !== Op &&
      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
    // This environment has a native %IteratorPrototype%; use it instead
    // of the polyfill.
    IteratorPrototype = NativeIteratorPrototype;
  }

  var Gp = GeneratorFunctionPrototype.prototype =
    Generator.prototype = Object.create(IteratorPrototype);
  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunctionPrototype[toStringTagSymbol] =
    GeneratorFunction.displayName = "GeneratorFunction";

  // Helper for defining the .next, .throw, and .return methods of the
  // Iterator interface in terms of a single ._invoke method.
  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function(method) {
      prototype[method] = function(arg) {
        return this._invoke(method, arg);
      };
    });
  }

  exports.isGeneratorFunction = function(genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor
      ? ctor === GeneratorFunction ||
        // For the native GeneratorFunction constructor, the best we can
        // do is to check its .name property.
        (ctor.displayName || ctor.name) === "GeneratorFunction"
      : false;
  };

  exports.mark = function(genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      if (!(toStringTagSymbol in genFun)) {
        genFun[toStringTagSymbol] = "GeneratorFunction";
      }
    }
    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  // Within the body of any async function, `await x` is transformed to
  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
  // `hasOwn.call(value, "__await")` to determine if the yielded value is
  // meant to be awaited.
  exports.awrap = function(arg) {
    return { __await: arg };
  };

  function AsyncIterator(generator) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);
      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;
        if (value &&
            typeof value === "object" &&
            hasOwn.call(value, "__await")) {
          return Promise.resolve(value.__await).then(function(value) {
            invoke("next", value, resolve, reject);
          }, function(err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return Promise.resolve(value).then(function(unwrapped) {
          // When a yielded Promise is resolved, its final value becomes
          // the .value of the Promise<{value,done}> result for the
          // current iteration.
          result.value = unwrapped;
          resolve(result);
        }, function(error) {
          // If a rejected Promise was yielded, throw the rejection back
          // into the async generator function so it can be handled there.
          return invoke("throw", error, resolve, reject);
        });
      }
    }

    var previousPromise;

    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new Promise(function(resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }

      return previousPromise =
        // If enqueue has been called before, then we want to wait until
        // all previous Promises have been resolved before calling invoke,
        // so that results are always delivered in the correct order. If
        // enqueue has not been called before, then it is important to
        // call invoke immediately, without waiting on a callback to fire,
        // so that the async generator function has the opportunity to do
        // any necessary setup in a predictable way. This predictability
        // is why the Promise constructor synchronously invokes its
        // executor callback, and why async functions synchronously
        // execute code before the first await. Since we implement simple
        // async functions in terms of async generators, it is especially
        // important to get this right, even though it requires care.
        previousPromise ? previousPromise.then(
          callInvokeWithMethodAndArg,
          // Avoid propagating failures to Promises returned by later
          // invocations of the iterator.
          callInvokeWithMethodAndArg
        ) : callInvokeWithMethodAndArg();
    }

    // Define the unified helper method that is used to implement .next,
    // .throw, and .return (see defineIteratorMethods).
    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);
  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
    return this;
  };
  exports.AsyncIterator = AsyncIterator;

  // Note that simple async functions are implemented on top of
  // AsyncIterator objects; they just return a Promise for the value of
  // the final result produced by the iterator.
  exports.async = function(innerFn, outerFn, self, tryLocsList) {
    var iter = new AsyncIterator(
      wrap(innerFn, outerFn, self, tryLocsList)
    );

    return exports.isGeneratorFunction(outerFn)
      ? iter // If outerFn is a generator, return the full iterator.
      : iter.next().then(function(result) {
          return result.done ? result.value : iter.next();
        });
  };

  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;

    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        // Be forgiving, per 25.3.3.3.3 of the spec:
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
        return doneResult();
      }

      context.method = method;
      context.arg = arg;

      while (true) {
        var delegate = context.delegate;
        if (delegate) {
          var delegateResult = maybeInvokeDelegate(delegate, context);
          if (delegateResult) {
            if (delegateResult === ContinueSentinel) continue;
            return delegateResult;
          }
        }

        if (context.method === "next") {
          // Setting context._sent for legacy support of Babel's
          // function.sent implementation.
          context.sent = context._sent = context.arg;

        } else if (context.method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw context.arg;
          }

          context.dispatchException(context.arg);

        } else if (context.method === "return") {
          context.abrupt("return", context.arg);
        }

        state = GenStateExecuting;

        var record = tryCatch(innerFn, self, context);
        if (record.type === "normal") {
          // If an exception is thrown from innerFn, we leave state ===
          // GenStateExecuting and loop back for another invocation.
          state = context.done
            ? GenStateCompleted
            : GenStateSuspendedYield;

          if (record.arg === ContinueSentinel) {
            continue;
          }

          return {
            value: record.arg,
            done: context.done
          };

        } else if (record.type === "throw") {
          state = GenStateCompleted;
          // Dispatch the exception by looping back around to the
          // context.dispatchException(context.arg) call above.
          context.method = "throw";
          context.arg = record.arg;
        }
      }
    };
  }

  // Call delegate.iterator[context.method](context.arg) and handle the
  // result, either by returning a { value, done } result from the
  // delegate iterator, or by modifying context.method and context.arg,
  // setting context.delegate to null, and returning the ContinueSentinel.
  function maybeInvokeDelegate(delegate, context) {
    var method = delegate.iterator[context.method];
    if (method === undefined) {
      // A .throw or .return when the delegate iterator has no .throw
      // method always terminates the yield* loop.
      context.delegate = null;

      if (context.method === "throw") {
        // Note: ["return"] must be used for ES3 parsing compatibility.
        if (delegate.iterator["return"]) {
          // If the delegate iterator has a return method, give it a
          // chance to clean up.
          context.method = "return";
          context.arg = undefined;
          maybeInvokeDelegate(delegate, context);

          if (context.method === "throw") {
            // If maybeInvokeDelegate(context) changed context.method from
            // "return" to "throw", let that override the TypeError below.
            return ContinueSentinel;
          }
        }

        context.method = "throw";
        context.arg = new TypeError(
          "The iterator does not provide a 'throw' method");
      }

      return ContinueSentinel;
    }

    var record = tryCatch(method, delegate.iterator, context.arg);

    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }

    var info = record.arg;

    if (! info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }

    if (info.done) {
      // Assign the result of the finished delegate to the temporary
      // variable specified by delegate.resultName (see delegateYield).
      context[delegate.resultName] = info.value;

      // Resume execution at the desired location (see delegateYield).
      context.next = delegate.nextLoc;

      // If context.method was "throw" but the delegate handled the
      // exception, let the outer generator proceed normally. If
      // context.method was "next", forget context.arg since it has been
      // "consumed" by the delegate iterator. If context.method was
      // "return", allow the original .return call to continue in the
      // outer generator.
      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined;
      }

    } else {
      // Re-yield the result returned by the delegate method.
      return info;
    }

    // The delegate iterator is finished, so forget it and continue with
    // the outer generator.
    context.delegate = null;
    return ContinueSentinel;
  }

  // Define Generator.prototype.{next,throw,return} in terms of the
  // unified ._invoke helper method.
  defineIteratorMethods(Gp);

  Gp[toStringTagSymbol] = "Generator";

  // A Generator should always return itself as the iterator object when the
  // @@iterator function is called on it. Some browsers' implementations of the
  // iterator prototype chain incorrectly implement this, causing the Generator
  // object to not be returned from this call. This ensures that doesn't happen.
  // See https://github.com/facebook/regenerator/issues/274 for more details.
  Gp[iteratorSymbol] = function() {
    return this;
  };

  Gp.toString = function() {
    return "[object Generator]";
  };

  function pushTryEntry(locs) {
    var entry = { tryLoc: locs[0] };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{ tryLoc: "root" }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  exports.keys = function(object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1, next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined;
          next.done = true;

          return next;
        };

        return next.next = next;
      }
    }

    // Return an iterator with no values.
    return { next: doneResult };
  }
  exports.values = values;

  function doneResult() {
    return { value: undefined, done: true };
  }

  Context.prototype = {
    constructor: Context,

    reset: function(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      // Resetting context._sent for legacy support of Babel's
      // function.sent implementation.
      this.sent = this._sent = undefined;
      this.done = false;
      this.delegate = null;

      this.method = "next";
      this.arg = undefined;

      this.tryEntries.forEach(resetTryEntry);

      if (!skipTempReset) {
        for (var name in this) {
          // Not sure about the optimal order of these conditions:
          if (name.charAt(0) === "t" &&
              hasOwn.call(this, name) &&
              !isNaN(+name.slice(1))) {
            this[name] = undefined;
          }
        }
      }
    },

    stop: function() {
      this.done = true;

      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;
      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },

    dispatchException: function(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;
      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;

        if (caught) {
          // If the dispatched exception was caught by a catch block,
          // then let that catch block handle the exception normally.
          context.method = "next";
          context.arg = undefined;
        }

        return !! caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          // Exception thrown outside of any try block that could handle
          // it, so set the completion value of the entire function to
          // throw the exception.
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }

          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },

    abrupt: function(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev &&
            hasOwn.call(entry, "finallyLoc") &&
            this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry &&
          (type === "break" ||
           type === "continue") &&
          finallyEntry.tryLoc <= arg &&
          arg <= finallyEntry.finallyLoc) {
        // Ignore the finally entry if control is not jumping to a
        // location outside the try/catch block.
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.method = "next";
        this.next = finallyEntry.finallyLoc;
        return ContinueSentinel;
      }

      return this.complete(record);
    },

    complete: function(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" ||
          record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = this.arg = record.arg;
        this.method = "return";
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }

      return ContinueSentinel;
    },

    finish: function(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },

    "catch": function(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }

      // The context.catch method must only be called with a location
      // argument that corresponds to a known catch block.
      throw new Error("illegal catch attempt");
    },

    delegateYield: function(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      if (this.method === "next") {
        // Deliberately forget the last sent value so that we don't
        // accidentally pass it on to the delegate.
        this.arg = undefined;
      }

      return ContinueSentinel;
    }
  };

  // Regardless of whether this script is executing as a CommonJS module
  // or not, return the runtime object so that we can declare the variable
  // regeneratorRuntime in the outer scope, which allows this module to be
  // injected easily by `bin/regenerator --include-runtime script.js`.
  return exports;

}(
  // If this script is executing as a CommonJS module, use module.exports
  // as the regeneratorRuntime namespace. Otherwise create a new empty
  // object. Either way, the resulting object will be used to initialize
  // the regeneratorRuntime variable at the top of this file.
   true ? module.exports : undefined
));

try {
  regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
  // This module should not be running in strict mode, so the above
  // assignment should always work unless something is misconfigured. Just
  // in case runtime.js accidentally runs in strict mode, we can escape
  // strict mode using a global Function call. This could conceivably fail
  // if a Content Security Policy forbids using Function, but in that case
  // the proper solution is to fix the accidental strict mode problem. If
  // you've misconfigured your bundler to force strict mode and applied a
  // CSP to forbid Function, and you're not willing to fix either of those
  // problems, please detail your unique predicament in a GitHub issue.
  Function("r", "regeneratorRuntime = r")(runtime);
}


/***/ }),

/***/ 5:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _assertThisInitialized; });
function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return self;
}

/***/ }),

/***/ 7:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _objectSpread; });
/* harmony import */ var _defineProperty__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(10);

function _objectSpread(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};
    var ownKeys = Object.keys(source);

    if (typeof Object.getOwnPropertySymbols === 'function') {
      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
      }));
    }

    ownKeys.forEach(function (key) {
      Object(_defineProperty__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(target, key, source[key]);
    });
  }

  return target;
}

/***/ })

/******/ });