WordPress/wp-includes/js/dist/compose.js

/******/ (function() { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 8294:
/***/ (function(module) {

/*!
 * clipboard.js v2.0.10
 * https://clipboardjs.com/
 *
 * Licensed MIT © Zeno Rocha
 */
(function webpackUniversalModuleDefinition(root, factory) {
	if(true)
		module.exports = factory();
	else {}
})(this, function() {
return /******/ (function() { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 686:
/***/ (function(__unused_webpack_module, __webpack_exports__, __nested_webpack_require_623__) {

"use strict";

// EXPORTS
__nested_webpack_require_623__.d(__webpack_exports__, {
  "default": function() { return /* binding */ clipboard; }
});

// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js
var tiny_emitter = __nested_webpack_require_623__(279);
var tiny_emitter_default = /*#__PURE__*/__nested_webpack_require_623__.n(tiny_emitter);
// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js
var listen = __nested_webpack_require_623__(370);
var listen_default = /*#__PURE__*/__nested_webpack_require_623__.n(listen);
// EXTERNAL MODULE: ./node_modules/select/src/select.js
var src_select = __nested_webpack_require_623__(817);
var select_default = /*#__PURE__*/__nested_webpack_require_623__.n(src_select);
;// CONCATENATED MODULE: ./src/common/command.js
/**
 * Executes a given operation type.
 * @param {String} type
 * @return {Boolean}
 */
function command(type) {
  try {
    return document.execCommand(type);
  } catch (err) {
    return false;
  }
}
;// CONCATENATED MODULE: ./src/actions/cut.js


/**
 * Cut action wrapper.
 * @param {String|HTMLElement} target
 * @return {String}
 */

var ClipboardActionCut = function ClipboardActionCut(target) {
  var selectedText = select_default()(target);
  command('cut');
  return selectedText;
};

/* harmony default export */ var actions_cut = (ClipboardActionCut);
;// CONCATENATED MODULE: ./src/common/create-fake-element.js
/**
 * Creates a fake textarea element with a value.
 * @param {String} value
 * @return {HTMLElement}
 */
function createFakeElement(value) {
  var isRTL = document.documentElement.getAttribute('dir') === 'rtl';
  var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS

  fakeElement.style.fontSize = '12pt'; // Reset box model

  fakeElement.style.border = '0';
  fakeElement.style.padding = '0';
  fakeElement.style.margin = '0'; // Move element out of screen horizontally

  fakeElement.style.position = 'absolute';
  fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically

  var yPosition = window.pageYOffset || document.documentElement.scrollTop;
  fakeElement.style.top = "".concat(yPosition, "px");
  fakeElement.setAttribute('readonly', '');
  fakeElement.value = value;
  return fakeElement;
}
;// CONCATENATED MODULE: ./src/actions/copy.js



/**
 * Copy action wrapper.
 * @param {String|HTMLElement} target
 * @param {Object} options
 * @return {String}
 */

var ClipboardActionCopy = function ClipboardActionCopy(target) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    container: document.body
  };
  var selectedText = '';

  if (typeof target === 'string') {
    var fakeElement = createFakeElement(target);
    options.container.appendChild(fakeElement);
    selectedText = select_default()(fakeElement);
    command('copy');
    fakeElement.remove();
  } else {
    selectedText = select_default()(target);
    command('copy');
  }

  return selectedText;
};

/* harmony default export */ var actions_copy = (ClipboardActionCopy);
;// CONCATENATED MODULE: ./src/actions/default.js
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }



/**
 * Inner function which performs selection from either `text` or `target`
 * properties and then executes copy or cut operations.
 * @param {Object} options
 */

var ClipboardActionDefault = function ClipboardActionDefault() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  // Defines base properties passed from constructor.
  var _options$action = options.action,
      action = _options$action === void 0 ? 'copy' : _options$action,
      container = options.container,
      target = options.target,
      text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.

  if (action !== 'copy' && action !== 'cut') {
    throw new Error('Invalid "action" value, use either "copy" or "cut"');
  } // Sets the `target` property using an element that will be have its content copied.


  if (target !== undefined) {
    if (target && _typeof(target) === 'object' && target.nodeType === 1) {
      if (action === 'copy' && target.hasAttribute('disabled')) {
        throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');
      }

      if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {
        throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes');
      }
    } else {
      throw new Error('Invalid "target" value, use a valid Element');
    }
  } // Define selection strategy based on `text` property.


  if (text) {
    return actions_copy(text, {
      container: container
    });
  } // Defines which selection strategy based on `target` property.


  if (target) {
    return action === 'cut' ? actions_cut(target) : actions_copy(target, {
      container: container
    });
  }
};

/* harmony default export */ var actions_default = (ClipboardActionDefault);
;// CONCATENATED MODULE: ./src/clipboard.js
function clipboard_typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return clipboard_typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }






/**
 * Helper function to retrieve attribute value.
 * @param {String} suffix
 * @param {Element} element
 */

function getAttributeValue(suffix, element) {
  var attribute = "data-clipboard-".concat(suffix);

  if (!element.hasAttribute(attribute)) {
    return;
  }

  return element.getAttribute(attribute);
}
/**
 * Base class which takes one or more elements, adds event listeners to them,
 * and instantiates a new `ClipboardAction` on each click.
 */


var Clipboard = /*#__PURE__*/function (_Emitter) {
  _inherits(Clipboard, _Emitter);

  var _super = _createSuper(Clipboard);

  /**
   * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
   * @param {Object} options
   */
  function Clipboard(trigger, options) {
    var _this;

    _classCallCheck(this, Clipboard);

    _this = _super.call(this);

    _this.resolveOptions(options);

    _this.listenClick(trigger);

    return _this;
  }
  /**
   * Defines if attributes would be resolved using internal setter functions
   * or custom functions that were passed in the constructor.
   * @param {Object} options
   */


  _createClass(Clipboard, [{
    key: "resolveOptions",
    value: function resolveOptions() {
      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      this.action = typeof options.action === 'function' ? options.action : this.defaultAction;
      this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;
      this.text = typeof options.text === 'function' ? options.text : this.defaultText;
      this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;
    }
    /**
     * Adds a click event listener to the passed trigger.
     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
     */

  }, {
    key: "listenClick",
    value: function listenClick(trigger) {
      var _this2 = this;

      this.listener = listen_default()(trigger, 'click', function (e) {
        return _this2.onClick(e);
      });
    }
    /**
     * Defines a new `ClipboardAction` on each click event.
     * @param {Event} e
     */

  }, {
    key: "onClick",
    value: function onClick(e) {
      var trigger = e.delegateTarget || e.currentTarget;
      var action = this.action(trigger) || 'copy';
      var text = actions_default({
        action: action,
        container: this.container,
        target: this.target(trigger),
        text: this.text(trigger)
      }); // Fires an event based on the copy operation result.

      this.emit(text ? 'success' : 'error', {
        action: action,
        text: text,
        trigger: trigger,
        clearSelection: function clearSelection() {
          if (trigger) {
            trigger.focus();
          }

          document.activeElement.blur();
          window.getSelection().removeAllRanges();
        }
      });
    }
    /**
     * Default `action` lookup function.
     * @param {Element} trigger
     */

  }, {
    key: "defaultAction",
    value: function defaultAction(trigger) {
      return getAttributeValue('action', trigger);
    }
    /**
     * Default `target` lookup function.
     * @param {Element} trigger
     */

  }, {
    key: "defaultTarget",
    value: function defaultTarget(trigger) {
      var selector = getAttributeValue('target', trigger);

      if (selector) {
        return document.querySelector(selector);
      }
    }
    /**
     * Allow fire programmatically a copy action
     * @param {String|HTMLElement} target
     * @param {Object} options
     * @returns Text copied.
     */

  }, {
    key: "defaultText",

    /**
     * Default `text` lookup function.
     * @param {Element} trigger
     */
    value: function defaultText(trigger) {
      return getAttributeValue('text', trigger);
    }
    /**
     * Destroy lifecycle.
     */

  }, {
    key: "destroy",
    value: function destroy() {
      this.listener.destroy();
    }
  }], [{
    key: "copy",
    value: function copy(target) {
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
        container: document.body
      };
      return actions_copy(target, options);
    }
    /**
     * Allow fire programmatically a cut action
     * @param {String|HTMLElement} target
     * @returns Text cutted.
     */

  }, {
    key: "cut",
    value: function cut(target) {
      return actions_cut(target);
    }
    /**
     * Returns the support of the given action, or all actions if no action is
     * given.
     * @param {String} [action]
     */

  }, {
    key: "isSupported",
    value: function isSupported() {
      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];
      var actions = typeof action === 'string' ? [action] : action;
      var support = !!document.queryCommandSupported;
      actions.forEach(function (action) {
        support = support && !!document.queryCommandSupported(action);
      });
      return support;
    }
  }]);

  return Clipboard;
}((tiny_emitter_default()));

/* harmony default export */ var clipboard = (Clipboard);

/***/ }),

/***/ 828:
/***/ (function(module) {

var DOCUMENT_NODE_TYPE = 9;

/**
 * A polyfill for Element.matches()
 */
if (typeof Element !== 'undefined' && !Element.prototype.matches) {
    var proto = Element.prototype;

    proto.matches = proto.matchesSelector ||
                    proto.mozMatchesSelector ||
                    proto.msMatchesSelector ||
                    proto.oMatchesSelector ||
                    proto.webkitMatchesSelector;
}

/**
 * Finds the closest parent that matches a selector.
 *
 * @param {Element} element
 * @param {String} selector
 * @return {Function}
 */
function closest (element, selector) {
    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {
        if (typeof element.matches === 'function' &&
            element.matches(selector)) {
          return element;
        }
        element = element.parentNode;
    }
}

module.exports = closest;


/***/ }),

/***/ 438:
/***/ (function(module, __unused_webpack_exports, __nested_webpack_require_15133__) {

var closest = __nested_webpack_require_15133__(828);

/**
 * Delegates event to a selector.
 *
 * @param {Element} element
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @param {Boolean} useCapture
 * @return {Object}
 */
function _delegate(element, selector, type, callback, useCapture) {
    var listenerFn = listener.apply(this, arguments);

    element.addEventListener(type, listenerFn, useCapture);

    return {
        destroy: function() {
            element.removeEventListener(type, listenerFn, useCapture);
        }
    }
}

/**
 * Delegates event to a selector.
 *
 * @param {Element|String|Array} [elements]
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @param {Boolean} useCapture
 * @return {Object}
 */
function delegate(elements, selector, type, callback, useCapture) {
    // Handle the regular Element usage
    if (typeof elements.addEventListener === 'function') {
        return _delegate.apply(null, arguments);
    }

    // Handle Element-less usage, it defaults to global delegation
    if (typeof type === 'function') {
        // Use `document` as the first parameter, then apply arguments
        // This is a short way to .unshift `arguments` without running into deoptimizations
        return _delegate.bind(null, document).apply(null, arguments);
    }

    // Handle Selector-based usage
    if (typeof elements === 'string') {
        elements = document.querySelectorAll(elements);
    }

    // Handle Array-like based usage
    return Array.prototype.map.call(elements, function (element) {
        return _delegate(element, selector, type, callback, useCapture);
    });
}

/**
 * Finds closest match and invokes callback.
 *
 * @param {Element} element
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @return {Function}
 */
function listener(element, selector, type, callback) {
    return function(e) {
        e.delegateTarget = closest(e.target, selector);

        if (e.delegateTarget) {
            callback.call(element, e);
        }
    }
}

module.exports = delegate;


/***/ }),

/***/ 879:
/***/ (function(__unused_webpack_module, exports) {

/**
 * Check if argument is a HTML element.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.node = function(value) {
    return value !== undefined
        && value instanceof HTMLElement
        && value.nodeType === 1;
};

/**
 * Check if argument is a list of HTML elements.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.nodeList = function(value) {
    var type = Object.prototype.toString.call(value);

    return value !== undefined
        && (type === '[object NodeList]' || type === '[object HTMLCollection]')
        && ('length' in value)
        && (value.length === 0 || exports.node(value[0]));
};

/**
 * Check if argument is a string.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.string = function(value) {
    return typeof value === 'string'
        || value instanceof String;
};

/**
 * Check if argument is a function.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.fn = function(value) {
    var type = Object.prototype.toString.call(value);

    return type === '[object Function]';
};


/***/ }),

/***/ 370:
/***/ (function(module, __unused_webpack_exports, __nested_webpack_require_18497__) {

var is = __nested_webpack_require_18497__(879);
var delegate = __nested_webpack_require_18497__(438);

/**
 * Validates all params and calls the right
 * listener function based on its target type.
 *
 * @param {String|HTMLElement|HTMLCollection|NodeList} target
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listen(target, type, callback) {
    if (!target && !type && !callback) {
        throw new Error('Missing required arguments');
    }

    if (!is.string(type)) {
        throw new TypeError('Second argument must be a String');
    }

    if (!is.fn(callback)) {
        throw new TypeError('Third argument must be a Function');
    }

    if (is.node(target)) {
        return listenNode(target, type, callback);
    }
    else if (is.nodeList(target)) {
        return listenNodeList(target, type, callback);
    }
    else if (is.string(target)) {
        return listenSelector(target, type, callback);
    }
    else {
        throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');
    }
}

/**
 * Adds an event listener to a HTML element
 * and returns a remove listener function.
 *
 * @param {HTMLElement} node
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listenNode(node, type, callback) {
    node.addEventListener(type, callback);

    return {
        destroy: function() {
            node.removeEventListener(type, callback);
        }
    }
}

/**
 * Add an event listener to a list of HTML elements
 * and returns a remove listener function.
 *
 * @param {NodeList|HTMLCollection} nodeList
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listenNodeList(nodeList, type, callback) {
    Array.prototype.forEach.call(nodeList, function(node) {
        node.addEventListener(type, callback);
    });

    return {
        destroy: function() {
            Array.prototype.forEach.call(nodeList, function(node) {
                node.removeEventListener(type, callback);
            });
        }
    }
}

/**
 * Add an event listener to a selector
 * and returns a remove listener function.
 *
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listenSelector(selector, type, callback) {
    return delegate(document.body, selector, type, callback);
}

module.exports = listen;


/***/ }),

/***/ 817:
/***/ (function(module) {

function select(element) {
    var selectedText;

    if (element.nodeName === 'SELECT') {
        element.focus();

        selectedText = element.value;
    }
    else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {
        var isReadOnly = element.hasAttribute('readonly');

        if (!isReadOnly) {
            element.setAttribute('readonly', '');
        }

        element.select();
        element.setSelectionRange(0, element.value.length);

        if (!isReadOnly) {
            element.removeAttribute('readonly');
        }

        selectedText = element.value;
    }
    else {
        if (element.hasAttribute('contenteditable')) {
            element.focus();
        }

        var selection = window.getSelection();
        var range = document.createRange();

        range.selectNodeContents(element);
        selection.removeAllRanges();
        selection.addRange(range);

        selectedText = selection.toString();
    }

    return selectedText;
}

module.exports = select;


/***/ }),

/***/ 279:
/***/ (function(module) {

function E () {
  // Keep this empty so it's easier to inherit from
  // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
}

E.prototype = {
  on: function (name, callback, ctx) {
    var e = this.e || (this.e = {});

    (e[name] || (e[name] = [])).push({
      fn: callback,
      ctx: ctx
    });

    return this;
  },

  once: function (name, callback, ctx) {
    var self = this;
    function listener () {
      self.off(name, listener);
      callback.apply(ctx, arguments);
    };

    listener._ = callback
    return this.on(name, listener, ctx);
  },

  emit: function (name) {
    var data = [].slice.call(arguments, 1);
    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
    var i = 0;
    var len = evtArr.length;

    for (i; i < len; i++) {
      evtArr[i].fn.apply(evtArr[i].ctx, data);
    }

    return this;
  },

  off: function (name, callback) {
    var e = this.e || (this.e = {});
    var evts = e[name];
    var liveEvents = [];

    if (evts && callback) {
      for (var i = 0, len = evts.length; i < len; i++) {
        if (evts[i].fn !== callback && evts[i].fn._ !== callback)
          liveEvents.push(evts[i]);
      }
    }

    // Remove event from queue to prevent memory leak
    // Suggested by https://github.com/lazd
    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910

    (liveEvents.length)
      ? e[name] = liveEvents
      : delete e[name];

    return this;
  }
};

module.exports = E;
module.exports.TinyEmitter = E;


/***/ })

/******/ 	});
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/******/ 		if(__webpack_module_cache__[moduleId]) {
/******/ 			return __webpack_module_cache__[moduleId].exports;
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/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			// no module.id needed
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/******/ 	
/******/ 		// Execute the module function
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/******/ 		// Return the exports of the module
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/******/ 	!function() {
/******/ 		// getDefaultExport function for compatibility with non-harmony modules
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/******/ 			var getter = module && module.__esModule ?
/******/ 				function() { return module['default']; } :
/******/ 				function() { return module; };
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/******/ 	!function() {
/******/ 		// define getter functions for harmony exports
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/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/hasOwnProperty shorthand */
/******/ 	!function() {
/******/ 		__nested_webpack_require_23879__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
/******/ 	}();
/******/ 	
/************************************************************************/
/******/ 	// module exports must be returned from runtime so entry inlining is disabled
/******/ 	// startup
/******/ 	// Load entry module and return exports
/******/ 	return __nested_webpack_require_23879__(686);
/******/ })()
.default;
});

/***/ }),

/***/ 7973:
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_RESULT__;/*global define:false */
/**
 * Copyright 2012-2017 Craig Campbell
 *
 * 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.
 *
 * Mousetrap is a simple keyboard shortcut library for Javascript with
 * no external dependencies
 *
 * @version 1.6.5
 * @url craig.is/killing/mice
 */
(function(window, document, undefined) {

    // Check if mousetrap is used inside browser, if not, return
    if (!window) {
        return;
    }

    /**
     * mapping of special keycodes to their corresponding keys
     *
     * everything in this dictionary cannot use keypress events
     * so it has to be here to map to the correct keycodes for
     * keyup/keydown events
     *
     * @type {Object}
     */
    var _MAP = {
        8: 'backspace',
        9: 'tab',
        13: 'enter',
        16: 'shift',
        17: 'ctrl',
        18: 'alt',
        20: 'capslock',
        27: 'esc',
        32: 'space',
        33: 'pageup',
        34: 'pagedown',
        35: 'end',
        36: 'home',
        37: 'left',
        38: 'up',
        39: 'right',
        40: 'down',
        45: 'ins',
        46: 'del',
        91: 'meta',
        93: 'meta',
        224: 'meta'
    };

    /**
     * mapping for special characters so they can support
     *
     * this dictionary is only used incase you want to bind a
     * keyup or keydown event to one of these keys
     *
     * @type {Object}
     */
    var _KEYCODE_MAP = {
        106: '*',
        107: '+',
        109: '-',
        110: '.',
        111 : '/',
        186: ';',
        187: '=',
        188: ',',
        189: '-',
        190: '.',
        191: '/',
        192: '`',
        219: '[',
        220: '\\',
        221: ']',
        222: '\''
    };

    /**
     * this is a mapping of keys that require shift on a US keypad
     * back to the non shift equivelents
     *
     * this is so you can use keyup events with these keys
     *
     * note that this will only work reliably on US keyboards
     *
     * @type {Object}
     */
    var _SHIFT_MAP = {
        '~': '`',
        '!': '1',
        '@': '2',
        '#': '3',
        '$': '4',
        '%': '5',
        '^': '6',
        '&': '7',
        '*': '8',
        '(': '9',
        ')': '0',
        '_': '-',
        '+': '=',
        ':': ';',
        '\"': '\'',
        '<': ',',
        '>': '.',
        '?': '/',
        '|': '\\'
    };

    /**
     * this is a list of special strings you can use to map
     * to modifier keys when you specify your keyboard shortcuts
     *
     * @type {Object}
     */
    var _SPECIAL_ALIASES = {
        'option': 'alt',
        'command': 'meta',
        'return': 'enter',
        'escape': 'esc',
        'plus': '+',
        'mod': /Mac|iPod|iPhone|iPad/.test(navigator.platform) ? 'meta' : 'ctrl'
    };

    /**
     * variable to store the flipped version of _MAP from above
     * needed to check if we should use keypress or not when no action
     * is specified
     *
     * @type {Object|undefined}
     */
    var _REVERSE_MAP;

    /**
     * loop through the f keys, f1 to f19 and add them to the map
     * programatically
     */
    for (var i = 1; i < 20; ++i) {
        _MAP[111 + i] = 'f' + i;
    }

    /**
     * loop through to map numbers on the numeric keypad
     */
    for (i = 0; i <= 9; ++i) {

        // This needs to use a string cause otherwise since 0 is falsey
        // mousetrap will never fire for numpad 0 pressed as part of a keydown
        // event.
        //
        // @see https://github.com/ccampbell/mousetrap/pull/258
        _MAP[i + 96] = i.toString();
    }

    /**
     * cross browser add event method
     *
     * @param {Element|HTMLDocument} object
     * @param {string} type
     * @param {Function} callback
     * @returns void
     */
    function _addEvent(object, type, callback) {
        if (object.addEventListener) {
            object.addEventListener(type, callback, false);
            return;
        }

        object.attachEvent('on' + type, callback);
    }

    /**
     * takes the event and returns the key character
     *
     * @param {Event} e
     * @return {string}
     */
    function _characterFromEvent(e) {

        // for keypress events we should return the character as is
        if (e.type == 'keypress') {
            var character = String.fromCharCode(e.which);

            // if the shift key is not pressed then it is safe to assume
            // that we want the character to be lowercase.  this means if
            // you accidentally have caps lock on then your key bindings
            // will continue to work
            //
            // the only side effect that might not be desired is if you
            // bind something like 'A' cause you want to trigger an
            // event when capital A is pressed caps lock will no longer
            // trigger the event.  shift+a will though.
            if (!e.shiftKey) {
                character = character.toLowerCase();
            }

            return character;
        }

        // for non keypress events the special maps are needed
        if (_MAP[e.which]) {
            return _MAP[e.which];
        }

        if (_KEYCODE_MAP[e.which]) {
            return _KEYCODE_MAP[e.which];
        }

        // if it is not in the special map

        // with keydown and keyup events the character seems to always
        // come in as an uppercase character whether you are pressing shift
        // or not.  we should make sure it is always lowercase for comparisons
        return String.fromCharCode(e.which).toLowerCase();
    }

    /**
     * checks if two arrays are equal
     *
     * @param {Array} modifiers1
     * @param {Array} modifiers2
     * @returns {boolean}
     */
    function _modifiersMatch(modifiers1, modifiers2) {
        return modifiers1.sort().join(',') === modifiers2.sort().join(',');
    }

    /**
     * takes a key event and figures out what the modifiers are
     *
     * @param {Event} e
     * @returns {Array}
     */
    function _eventModifiers(e) {
        var modifiers = [];

        if (e.shiftKey) {
            modifiers.push('shift');
        }

        if (e.altKey) {
            modifiers.push('alt');
        }

        if (e.ctrlKey) {
            modifiers.push('ctrl');
        }

        if (e.metaKey) {
            modifiers.push('meta');
        }

        return modifiers;
    }

    /**
     * prevents default for this event
     *
     * @param {Event} e
     * @returns void
     */
    function _preventDefault(e) {
        if (e.preventDefault) {
            e.preventDefault();
            return;
        }

        e.returnValue = false;
    }

    /**
     * stops propogation for this event
     *
     * @param {Event} e
     * @returns void
     */
    function _stopPropagation(e) {
        if (e.stopPropagation) {
            e.stopPropagation();
            return;
        }

        e.cancelBubble = true;
    }

    /**
     * determines if the keycode specified is a modifier key or not
     *
     * @param {string} key
     * @returns {boolean}
     */
    function _isModifier(key) {
        return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta';
    }

    /**
     * reverses the map lookup so that we can look for specific keys
     * to see what can and can't use keypress
     *
     * @return {Object}
     */
    function _getReverseMap() {
        if (!_REVERSE_MAP) {
            _REVERSE_MAP = {};
            for (var key in _MAP) {

                // pull out the numeric keypad from here cause keypress should
                // be able to detect the keys from the character
                if (key > 95 && key < 112) {
                    continue;
                }

                if (_MAP.hasOwnProperty(key)) {
                    _REVERSE_MAP[_MAP[key]] = key;
                }
            }
        }
        return _REVERSE_MAP;
    }

    /**
     * picks the best action based on the key combination
     *
     * @param {string} key - character for key
     * @param {Array} modifiers
     * @param {string=} action passed in
     */
    function _pickBestAction(key, modifiers, action) {

        // if no action was picked in we should try to pick the one
        // that we think would work best for this key
        if (!action) {
            action = _getReverseMap()[key] ? 'keydown' : 'keypress';
        }

        // modifier keys don't work as expected with keypress,
        // switch to keydown
        if (action == 'keypress' && modifiers.length) {
            action = 'keydown';
        }

        return action;
    }

    /**
     * Converts from a string key combination to an array
     *
     * @param  {string} combination like "command+shift+l"
     * @return {Array}
     */
    function _keysFromString(combination) {
        if (combination === '+') {
            return ['+'];
        }

        combination = combination.replace(/\+{2}/g, '+plus');
        return combination.split('+');
    }

    /**
     * Gets info for a specific key combination
     *
     * @param  {string} combination key combination ("command+s" or "a" or "*")
     * @param  {string=} action
     * @returns {Object}
     */
    function _getKeyInfo(combination, action) {
        var keys;
        var key;
        var i;
        var modifiers = [];

        // take the keys from this pattern and figure out what the actual
        // pattern is all about
        keys = _keysFromString(combination);

        for (i = 0; i < keys.length; ++i) {
            key = keys[i];

            // normalize key names
            if (_SPECIAL_ALIASES[key]) {
                key = _SPECIAL_ALIASES[key];
            }

            // if this is not a keypress event then we should
            // be smart about using shift keys
            // this will only work for US keyboards however
            if (action && action != 'keypress' && _SHIFT_MAP[key]) {
                key = _SHIFT_MAP[key];
                modifiers.push('shift');
            }

            // if this key is a modifier then add it to the list of modifiers
            if (_isModifier(key)) {
                modifiers.push(key);
            }
        }

        // depending on what the key combination is
        // we will try to pick the best event for it
        action = _pickBestAction(key, modifiers, action);

        return {
            key: key,
            modifiers: modifiers,
            action: action
        };
    }

    function _belongsTo(element, ancestor) {
        if (element === null || element === document) {
            return false;
        }

        if (element === ancestor) {
            return true;
        }

        return _belongsTo(element.parentNode, ancestor);
    }

    function Mousetrap(targetElement) {
        var self = this;

        targetElement = targetElement || document;

        if (!(self instanceof Mousetrap)) {
            return new Mousetrap(targetElement);
        }

        /**
         * element to attach key events to
         *
         * @type {Element}
         */
        self.target = targetElement;

        /**
         * a list of all the callbacks setup via Mousetrap.bind()
         *
         * @type {Object}
         */
        self._callbacks = {};

        /**
         * direct map of string combinations to callbacks used for trigger()
         *
         * @type {Object}
         */
        self._directMap = {};

        /**
         * keeps track of what level each sequence is at since multiple
         * sequences can start out with the same sequence
         *
         * @type {Object}
         */
        var _sequenceLevels = {};

        /**
         * variable to store the setTimeout call
         *
         * @type {null|number}
         */
        var _resetTimer;

        /**
         * temporary state where we will ignore the next keyup
         *
         * @type {boolean|string}
         */
        var _ignoreNextKeyup = false;

        /**
         * temporary state where we will ignore the next keypress
         *
         * @type {boolean}
         */
        var _ignoreNextKeypress = false;

        /**
         * are we currently inside of a sequence?
         * type of action ("keyup" or "keydown" or "keypress") or false
         *
         * @type {boolean|string}
         */
        var _nextExpectedAction = false;

        /**
         * resets all sequence counters except for the ones passed in
         *
         * @param {Object} doNotReset
         * @returns void
         */
        function _resetSequences(doNotReset) {
            doNotReset = doNotReset || {};

            var activeSequences = false,
                key;

            for (key in _sequenceLevels) {
                if (doNotReset[key]) {
                    activeSequences = true;
                    continue;
                }
                _sequenceLevels[key] = 0;
            }

            if (!activeSequences) {
                _nextExpectedAction = false;
            }
        }

        /**
         * finds all callbacks that match based on the keycode, modifiers,
         * and action
         *
         * @param {string} character
         * @param {Array} modifiers
         * @param {Event|Object} e
         * @param {string=} sequenceName - name of the sequence we are looking for
         * @param {string=} combination
         * @param {number=} level
         * @returns {Array}
         */
        function _getMatches(character, modifiers, e, sequenceName, combination, level) {
            var i;
            var callback;
            var matches = [];
            var action = e.type;

            // if there are no events related to this keycode
            if (!self._callbacks[character]) {
                return [];
            }

            // if a modifier key is coming up on its own we should allow it
            if (action == 'keyup' && _isModifier(character)) {
                modifiers = [character];
            }

            // loop through all callbacks for the key that was pressed
            // and see if any of them match
            for (i = 0; i < self._callbacks[character].length; ++i) {
                callback = self._callbacks[character][i];

                // if a sequence name is not specified, but this is a sequence at
                // the wrong level then move onto the next match
                if (!sequenceName && callback.seq && _sequenceLevels[callback.seq] != callback.level) {
                    continue;
                }

                // if the action we are looking for doesn't match the action we got
                // then we should keep going
                if (action != callback.action) {
                    continue;
                }

                // if this is a keypress event and the meta key and control key
                // are not pressed that means that we need to only look at the
                // character, otherwise check the modifiers as well
                //
                // chrome will not fire a keypress if meta or control is down
                // safari will fire a keypress if meta or meta+shift is down
                // firefox will fire a keypress if meta or control is down
                if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) {

                    // when you bind a combination or sequence a second time it
                    // should overwrite the first one.  if a sequenceName or
                    // combination is specified in this call it does just that
                    //
                    // @todo make deleting its own method?
                    var deleteCombo = !sequenceName && callback.combo == combination;
                    var deleteSequence = sequenceName && callback.seq == sequenceName && callback.level == level;
                    if (deleteCombo || deleteSequence) {
                        self._callbacks[character].splice(i, 1);
                    }

                    matches.push(callback);
                }
            }

            return matches;
        }

        /**
         * actually calls the callback function
         *
         * if your callback function returns false this will use the jquery
         * convention - prevent default and stop propogation on the event
         *
         * @param {Function} callback
         * @param {Event} e
         * @returns void
         */
        function _fireCallback(callback, e, combo, sequence) {

            // if this event should not happen stop here
            if (self.stopCallback(e, e.target || e.srcElement, combo, sequence)) {
                return;
            }

            if (callback(e, combo) === false) {
                _preventDefault(e);
                _stopPropagation(e);
            }
        }

        /**
         * handles a character key event
         *
         * @param {string} character
         * @param {Array} modifiers
         * @param {Event} e
         * @returns void
         */
        self._handleKey = function(character, modifiers, e) {
            var callbacks = _getMatches(character, modifiers, e);
            var i;
            var doNotReset = {};
            var maxLevel = 0;
            var processedSequenceCallback = false;

            // Calculate the maxLevel for sequences so we can only execute the longest callback sequence
            for (i = 0; i < callbacks.length; ++i) {
                if (callbacks[i].seq) {
                    maxLevel = Math.max(maxLevel, callbacks[i].level);
                }
            }

            // loop through matching callbacks for this key event
            for (i = 0; i < callbacks.length; ++i) {

                // fire for all sequence callbacks
                // this is because if for example you have multiple sequences
                // bound such as "g i" and "g t" they both need to fire the
                // callback for matching g cause otherwise you can only ever
                // match the first one
                if (callbacks[i].seq) {

                    // only fire callbacks for the maxLevel to prevent
                    // subsequences from also firing
                    //
                    // for example 'a option b' should not cause 'option b' to fire
                    // even though 'option b' is part of the other sequence
                    //
                    // any sequences that do not match here will be discarded
                    // below by the _resetSequences call
                    if (callbacks[i].level != maxLevel) {
                        continue;
                    }

                    processedSequenceCallback = true;

                    // keep a list of which sequences were matches for later
                    doNotReset[callbacks[i].seq] = 1;
                    _fireCallback(callbacks[i].callback, e, callbacks[i].combo, callbacks[i].seq);
                    continue;
                }

                // if there were no sequence matches but we are still here
                // that means this is a regular match so we should fire that
                if (!processedSequenceCallback) {
                    _fireCallback(callbacks[i].callback, e, callbacks[i].combo);
                }
            }

            // if the key you pressed matches the type of sequence without
            // being a modifier (ie "keyup" or "keypress") then we should
            // reset all sequences that were not matched by this event
            //
            // this is so, for example, if you have the sequence "h a t" and you
            // type "h e a r t" it does not match.  in this case the "e" will
            // cause the sequence to reset
            //
            // modifier keys are ignored because you can have a sequence
            // that contains modifiers such as "enter ctrl+space" and in most
            // cases the modifier key will be pressed before the next key
            //
            // also if you have a sequence such as "ctrl+b a" then pressing the
            // "b" key will trigger a "keypress" and a "keydown"
            //
            // the "keydown" is expected when there is a modifier, but the
            // "keypress" ends up matching the _nextExpectedAction since it occurs
            // after and that causes the sequence to reset
            //
            // we ignore keypresses in a sequence that directly follow a keydown
            // for the same character
            var ignoreThisKeypress = e.type == 'keypress' && _ignoreNextKeypress;
            if (e.type == _nextExpectedAction && !_isModifier(character) && !ignoreThisKeypress) {
                _resetSequences(doNotReset);
            }

            _ignoreNextKeypress = processedSequenceCallback && e.type == 'keydown';
        };

        /**
         * handles a keydown event
         *
         * @param {Event} e
         * @returns void
         */
        function _handleKeyEvent(e) {

            // normalize e.which for key events
            // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion
            if (typeof e.which !== 'number') {
                e.which = e.keyCode;
            }

            var character = _characterFromEvent(e);

            // no character found then stop
            if (!character) {
                return;
            }

            // need to use === for the character check because the character can be 0
            if (e.type == 'keyup' && _ignoreNextKeyup === character) {
                _ignoreNextKeyup = false;
                return;
            }

            self.handleKey(character, _eventModifiers(e), e);
        }

        /**
         * called to set a 1 second timeout on the specified sequence
         *
         * this is so after each key press in the sequence you have 1 second
         * to press the next key before you have to start over
         *
         * @returns void
         */
        function _resetSequenceTimer() {
            clearTimeout(_resetTimer);
            _resetTimer = setTimeout(_resetSequences, 1000);
        }

        /**
         * binds a key sequence to an event
         *
         * @param {string} combo - combo specified in bind call
         * @param {Array} keys
         * @param {Function} callback
         * @param {string=} action
         * @returns void
         */
        function _bindSequence(combo, keys, callback, action) {

            // start off by adding a sequence level record for this combination
            // and setting the level to 0
            _sequenceLevels[combo] = 0;

            /**
             * callback to increase the sequence level for this sequence and reset
             * all other sequences that were active
             *
             * @param {string} nextAction
             * @returns {Function}
             */
            function _increaseSequence(nextAction) {
                return function() {
                    _nextExpectedAction = nextAction;
                    ++_sequenceLevels[combo];
                    _resetSequenceTimer();
                };
            }

            /**
             * wraps the specified callback inside of another function in order
             * to reset all sequence counters as soon as this sequence is done
             *
             * @param {Event} e
             * @returns void
             */
            function _callbackAndReset(e) {
                _fireCallback(callback, e, combo);

                // we should ignore the next key up if the action is key down
                // or keypress.  this is so if you finish a sequence and
                // release the key the final key will not trigger a keyup
                if (action !== 'keyup') {
                    _ignoreNextKeyup = _characterFromEvent(e);
                }

                // weird race condition if a sequence ends with the key
                // another sequence begins with
                setTimeout(_resetSequences, 10);
            }

            // loop through keys one at a time and bind the appropriate callback
            // function.  for any key leading up to the final one it should
            // increase the sequence. after the final, it should reset all sequences
            //
            // if an action is specified in the original bind call then that will
            // be used throughout.  otherwise we will pass the action that the
            // next key in the sequence should match.  this allows a sequence
            // to mix and match keypress and keydown events depending on which
            // ones are better suited to the key provided
            for (var i = 0; i < keys.length; ++i) {
                var isFinal = i + 1 === keys.length;
                var wrappedCallback = isFinal ? _callbackAndReset : _increaseSequence(action || _getKeyInfo(keys[i + 1]).action);
                _bindSingle(keys[i], wrappedCallback, action, combo, i);
            }
        }

        /**
         * binds a single keyboard combination
         *
         * @param {string} combination
         * @param {Function} callback
         * @param {string=} action
         * @param {string=} sequenceName - name of sequence if part of sequence
         * @param {number=} level - what part of the sequence the command is
         * @returns void
         */
        function _bindSingle(combination, callback, action, sequenceName, level) {

            // store a direct mapped reference for use with Mousetrap.trigger
            self._directMap[combination + ':' + action] = callback;

            // make sure multiple spaces in a row become a single space
            combination = combination.replace(/\s+/g, ' ');

            var sequence = combination.split(' ');
            var info;

            // if this pattern is a sequence of keys then run through this method
            // to reprocess each pattern one key at a time
            if (sequence.length > 1) {
                _bindSequence(combination, sequence, callback, action);
                return;
            }

            info = _getKeyInfo(combination, action);

            // make sure to initialize array if this is the first time
            // a callback is added for this key
            self._callbacks[info.key] = self._callbacks[info.key] || [];

            // remove an existing match if there is one
            _getMatches(info.key, info.modifiers, {type: info.action}, sequenceName, combination, level);

            // add this call back to the array
            // if it is a sequence put it at the beginning
            // if not put it at the end
            //
            // this is important because the way these are processed expects
            // the sequence ones to come first
            self._callbacks[info.key][sequenceName ? 'unshift' : 'push']({
                callback: callback,
                modifiers: info.modifiers,
                action: info.action,
                seq: sequenceName,
                level: level,
                combo: combination
            });
        }

        /**
         * binds multiple combinations to the same callback
         *
         * @param {Array} combinations
         * @param {Function} callback
         * @param {string|undefined} action
         * @returns void
         */
        self._bindMultiple = function(combinations, callback, action) {
            for (var i = 0; i < combinations.length; ++i) {
                _bindSingle(combinations[i], callback, action);
            }
        };

        // start!
        _addEvent(targetElement, 'keypress', _handleKeyEvent);
        _addEvent(targetElement, 'keydown', _handleKeyEvent);
        _addEvent(targetElement, 'keyup', _handleKeyEvent);
    }

    /**
     * binds an event to mousetrap
     *
     * can be a single key, a combination of keys separated with +,
     * an array of keys, or a sequence of keys separated by spaces
     *
     * be sure to list the modifier keys first to make sure that the
     * correct key ends up getting bound (the last key in the pattern)
     *
     * @param {string|Array} keys
     * @param {Function} callback
     * @param {string=} action - 'keypress', 'keydown', or 'keyup'
     * @returns void
     */
    Mousetrap.prototype.bind = function(keys, callback, action) {
        var self = this;
        keys = keys instanceof Array ? keys : [keys];
        self._bindMultiple.call(self, keys, callback, action);
        return self;
    };

    /**
     * unbinds an event to mousetrap
     *
     * the unbinding sets the callback function of the specified key combo
     * to an empty function and deletes the corresponding key in the
     * _directMap dict.
     *
     * TODO: actually remove this from the _callbacks dictionary instead
     * of binding an empty function
     *
     * the keycombo+action has to be exactly the same as
     * it was defined in the bind method
     *
     * @param {string|Array} keys
     * @param {string} action
     * @returns void
     */
    Mousetrap.prototype.unbind = function(keys, action) {
        var self = this;
        return self.bind.call(self, keys, function() {}, action);
    };

    /**
     * triggers an event that has already been bound
     *
     * @param {string} keys
     * @param {string=} action
     * @returns void
     */
    Mousetrap.prototype.trigger = function(keys, action) {
        var self = this;
        if (self._directMap[keys + ':' + action]) {
            self._directMap[keys + ':' + action]({}, keys);
        }
        return self;
    };

    /**
     * resets the library back to its initial state.  this is useful
     * if you want to clear out the current keyboard shortcuts and bind
     * new ones - for example if you switch to another page
     *
     * @returns void
     */
    Mousetrap.prototype.reset = function() {
        var self = this;
        self._callbacks = {};
        self._directMap = {};
        return self;
    };

    /**
     * should we stop this event before firing off callbacks
     *
     * @param {Event} e
     * @param {Element} element
     * @return {boolean}
     */
    Mousetrap.prototype.stopCallback = function(e, element) {
        var self = this;

        // if the element has the class "mousetrap" then no need to stop
        if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) {
            return false;
        }

        if (_belongsTo(element, self.target)) {
            return false;
        }

        // Events originating from a shadow DOM are re-targetted and `e.target` is the shadow host,
        // not the initial event target in the shadow tree. Note that not all events cross the
        // shadow boundary.
        // For shadow trees with `mode: 'open'`, the initial event target is the first element in
        // the event’s composed path. For shadow trees with `mode: 'closed'`, the initial event
        // target cannot be obtained.
        if ('composedPath' in e && typeof e.composedPath === 'function') {
            // For open shadow trees, update `element` so that the following check works.
            var initialEventTarget = e.composedPath()[0];
            if (initialEventTarget !== e.target) {
                element = initialEventTarget;
            }
        }

        // stop for input, select, and textarea
        return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || element.isContentEditable;
    };

    /**
     * exposes _handleKey publicly so it can be overwritten by extensions
     */
    Mousetrap.prototype.handleKey = function() {
        var self = this;
        return self._handleKey.apply(self, arguments);
    };

    /**
     * allow custom key mappings
     */
    Mousetrap.addKeycodes = function(object) {
        for (var key in object) {
            if (object.hasOwnProperty(key)) {
                _MAP[key] = object[key];
            }
        }
        _REVERSE_MAP = null;
    };

    /**
     * Init the global mousetrap functions
     *
     * This method is needed to allow the global mousetrap functions to work
     * now that mousetrap is a constructor function.
     */
    Mousetrap.init = function() {
        var documentMousetrap = Mousetrap(document);
        for (var method in documentMousetrap) {
            if (method.charAt(0) !== '_') {
                Mousetrap[method] = (function(method) {
                    return function() {
                        return documentMousetrap[method].apply(documentMousetrap, arguments);
                    };
                } (method));
            }
        }
    };

    Mousetrap.init();

    // expose mousetrap to the global object
    window.Mousetrap = Mousetrap;

    // expose as a common js module
    if ( true && module.exports) {
        module.exports = Mousetrap;
    }

    // expose mousetrap as an AMD module
    if (true) {
        !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
            return Mousetrap;
        }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
    }
}) (typeof window !== 'undefined' ? window : null, typeof  window !== 'undefined' ? document : null);


/***/ }),

/***/ 5538:
/***/ (function() {

/**
 * adds a bindGlobal method to Mousetrap that allows you to
 * bind specific keyboard shortcuts that will still work
 * inside a text input field
 *
 * usage:
 * Mousetrap.bindGlobal('ctrl+s', _saveChanges);
 */
/* global Mousetrap:true */
(function(Mousetrap) {
    if (! Mousetrap) {
        return;
    }
    var _globalCallbacks = {};
    var _originalStopCallback = Mousetrap.prototype.stopCallback;

    Mousetrap.prototype.stopCallback = function(e, element, combo, sequence) {
        var self = this;

        if (self.paused) {
            return true;
        }

        if (_globalCallbacks[combo] || _globalCallbacks[sequence]) {
            return false;
        }

        return _originalStopCallback.call(self, e, element, combo);
    };

    Mousetrap.prototype.bindGlobal = function(keys, callback, action) {
        var self = this;
        self.bind(keys, callback, action);

        if (keys instanceof Array) {
            for (var i = 0; i < keys.length; i++) {
                _globalCallbacks[keys[i]] = true;
            }
            return;
        }

        _globalCallbacks[keys] = true;
    };

    Mousetrap.init();
}) (typeof Mousetrap !== "undefined" ? Mousetrap : undefined);


/***/ })

/******/ 	});
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		var cachedModule = __webpack_module_cache__[moduleId];
/******/ 		if (cachedModule !== undefined) {
/******/ 			return cachedModule.exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			// no module.id needed
/******/ 			// no module.loaded needed
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ 	
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/************************************************************************/
/******/ 	/* webpack/runtime/compat get default export */
/******/ 	!function() {
/******/ 		// getDefaultExport function for compatibility with non-harmony modules
/******/ 		__webpack_require__.n = function(module) {
/******/ 			var getter = module && module.__esModule ?
/******/ 				function() { return module['default']; } :
/******/ 				function() { return module; };
/******/ 			__webpack_require__.d(getter, { a: getter });
/******/ 			return getter;
/******/ 		};
/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/define property getters */
/******/ 	!function() {
/******/ 		// define getter functions for harmony exports
/******/ 		__webpack_require__.d = function(exports, definition) {
/******/ 			for(var key in definition) {
/******/ 				if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ 					Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ 				}
/******/ 			}
/******/ 		};
/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/hasOwnProperty shorthand */
/******/ 	!function() {
/******/ 		__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/make namespace object */
/******/ 	!function() {
/******/ 		// define __esModule on exports
/******/ 		__webpack_require__.r = function(exports) {
/******/ 			if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 				Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 			}
/******/ 			Object.defineProperty(exports, '__esModule', { value: true });
/******/ 		};
/******/ 	}();
/******/ 	
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
!function() {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "__experimentalUseDialog": function() { return /* reexport */ use_dialog; },
  "__experimentalUseDragging": function() { return /* reexport */ useDragging; },
  "__experimentalUseDropZone": function() { return /* reexport */ useDropZone; },
  "__experimentalUseFixedWindowList": function() { return /* reexport */ useFixedWindowList; },
  "__experimentalUseFocusOutside": function() { return /* reexport */ useFocusOutside; },
  "compose": function() { return /* reexport */ compose; },
  "createHigherOrderComponent": function() { return /* reexport */ createHigherOrderComponent; },
  "ifCondition": function() { return /* reexport */ if_condition; },
  "pure": function() { return /* reexport */ higher_order_pure; },
  "useAsyncList": function() { return /* reexport */ use_async_list; },
  "useConstrainedTabbing": function() { return /* reexport */ use_constrained_tabbing; },
  "useCopyOnClick": function() { return /* reexport */ useCopyOnClick; },
  "useCopyToClipboard": function() { return /* reexport */ useCopyToClipboard; },
  "useDebounce": function() { return /* reexport */ useDebounce; },
  "useDisabled": function() { return /* reexport */ useDisabled; },
  "useFocusOnMount": function() { return /* reexport */ useFocusOnMount; },
  "useFocusReturn": function() { return /* reexport */ use_focus_return; },
  "useFocusableIframe": function() { return /* reexport */ useFocusableIframe; },
  "useInstanceId": function() { return /* reexport */ useInstanceId; },
  "useIsomorphicLayoutEffect": function() { return /* reexport */ use_isomorphic_layout_effect; },
  "useKeyboardShortcut": function() { return /* reexport */ use_keyboard_shortcut; },
  "useMediaQuery": function() { return /* reexport */ useMediaQuery; },
  "useMergeRefs": function() { return /* reexport */ useMergeRefs; },
  "usePrevious": function() { return /* reexport */ usePrevious; },
  "useReducedMotion": function() { return /* reexport */ use_reduced_motion; },
  "useRefEffect": function() { return /* reexport */ useRefEffect; },
  "useResizeObserver": function() { return /* reexport */ useResizeAware; },
  "useThrottle": function() { return /* reexport */ useThrottle; },
  "useViewportMatch": function() { return /* reexport */ use_viewport_match; },
  "useWarnOnChange": function() { return /* reexport */ use_warn_on_change; },
  "withGlobalEvents": function() { return /* reexport */ withGlobalEvents; },
  "withInstanceId": function() { return /* reexport */ with_instance_id; },
  "withSafeTimeout": function() { return /* reexport */ with_safe_timeout; },
  "withState": function() { return /* reexport */ withState; }
});

;// CONCATENATED MODULE: ./node_modules/tslib/tslib.es6.js
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */

var extendStatics = function(d, b) {
    extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
    return extendStatics(d, b);
};

function __extends(d, b) {
    if (typeof b !== "function" && b !== null)
        throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    extendStatics(d, b);
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}

var __assign = function() {
    __assign = Object.assign || function __assign(t) {
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            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
        }
        return t;
    }
    return __assign.apply(this, arguments);
}

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        }
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}

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    return c > 3 && r && Object.defineProperty(target, key, r), r;
}

function __param(paramIndex, decorator) {
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}

function __metadata(metadataKey, metadataValue) {
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}

function __awaiter(thisArg, _arguments, P, generator) {
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    o[k2] = m[k];
});

function __exportStar(m, o) {
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}

function __values(o) {
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        next: function () {
            if (o && i >= o.length) o = void 0;
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function __spreadArrays() {
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function __asyncDelegator(o) {
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function __makeTemplateObject(cooked, raw) {
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}) : function(o, v) {
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};

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    __setModuleDefault(result, mod);
    return result;
}

function __importDefault(mod) {
    return (mod && mod.__esModule) ? mod : { default: mod };
}

function __classPrivateFieldGet(receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
}

function __classPrivateFieldSet(receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
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    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
}

;// CONCATENATED MODULE: ./node_modules/lower-case/dist.es2015/index.js
/**
 * Source: ftp://ftp.unicode.org/Public/UCD/latest/ucd/SpecialCasing.txt
 */
var SUPPORTED_LOCALE = {
    tr: {
        regexp: /\u0130|\u0049|\u0049\u0307/g,
        map: {
            İ: "\u0069",
            I: "\u0131",
            İ: "\u0069",
        },
    },
    az: {
        regexp: /\u0130/g,
        map: {
            İ: "\u0069",
            I: "\u0131",
            İ: "\u0069",
        },
    },
    lt: {
        regexp: /\u0049|\u004A|\u012E|\u00CC|\u00CD|\u0128/g,
        map: {
            I: "\u0069\u0307",
            J: "\u006A\u0307",
            Į: "\u012F\u0307",
            Ì: "\u0069\u0307\u0300",
            Í: "\u0069\u0307\u0301",
            Ĩ: "\u0069\u0307\u0303",
        },
    },
};
/**
 * Localized lower case.
 */
function localeLowerCase(str, locale) {
    var lang = SUPPORTED_LOCALE[locale.toLowerCase()];
    if (lang)
        return lowerCase(str.replace(lang.regexp, function (m) { return lang.map[m]; }));
    return lowerCase(str);
}
/**
 * Lower case as a function.
 */
function lowerCase(str) {
    return str.toLowerCase();
}

;// CONCATENATED MODULE: ./node_modules/no-case/dist.es2015/index.js

// Support camel case ("camelCase" -> "camel Case" and "CAMELCase" -> "CAMEL Case").
var DEFAULT_SPLIT_REGEXP = [/([a-z0-9])([A-Z])/g, /([A-Z])([A-Z][a-z])/g];
// Remove all non-word characters.
var DEFAULT_STRIP_REGEXP = /[^A-Z0-9]+/gi;
/**
 * Normalize the string into something other libraries can manipulate easier.
 */
function noCase(input, options) {
    if (options === void 0) { options = {}; }
    var _a = options.splitRegexp, splitRegexp = _a === void 0 ? DEFAULT_SPLIT_REGEXP : _a, _b = options.stripRegexp, stripRegexp = _b === void 0 ? DEFAULT_STRIP_REGEXP : _b, _c = options.transform, transform = _c === void 0 ? lowerCase : _c, _d = options.delimiter, delimiter = _d === void 0 ? " " : _d;
    var result = replace(replace(input, splitRegexp, "$1\0$2"), stripRegexp, "\0");
    var start = 0;
    var end = result.length;
    // Trim the delimiter from around the output string.
    while (result.charAt(start) === "\0")
        start++;
    while (result.charAt(end - 1) === "\0")
        end--;
    // Transform each token independently.
    return result.slice(start, end).split("\0").map(transform).join(delimiter);
}
/**
 * Replace `re` in the input string with the replacement value.
 */
function replace(input, re, value) {
    if (re instanceof RegExp)
        return input.replace(re, value);
    return re.reduce(function (input, re) { return input.replace(re, value); }, input);
}

;// CONCATENATED MODULE: ./node_modules/pascal-case/dist.es2015/index.js


function pascalCaseTransform(input, index) {
    var firstChar = input.charAt(0);
    var lowerChars = input.substr(1).toLowerCase();
    if (index > 0 && firstChar >= "0" && firstChar <= "9") {
        return "_" + firstChar + lowerChars;
    }
    return "" + firstChar.toUpperCase() + lowerChars;
}
function pascalCaseTransformMerge(input) {
    return input.charAt(0).toUpperCase() + input.slice(1).toLowerCase();
}
function pascalCase(input, options) {
    if (options === void 0) { options = {}; }
    return noCase(input, __assign({ delimiter: "", transform: pascalCaseTransform }, options));
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/utils/create-higher-order-component/index.js
/**
 * External dependencies
 */


/**
 * Given a function mapping a component to an enhanced component and modifier
 * name, returns the enhanced component augmented with a generated displayName.
 *
 * @param  mapComponent Function mapping component to enhanced component.
 * @param  modifierName Seed name from which to generated display name.
 *
 * @return Component class with generated display name assigned.
 */
function createHigherOrderComponent(mapComponent, modifierName) {
  return Inner => {
    const Outer = mapComponent(Inner);
    Outer.displayName = hocName(modifierName, Inner);
    return Outer;
  };
}
/**
 * Returns a displayName for a higher-order component, given a wrapper name.
 *
 * @example
 *     hocName( 'MyMemo', Widget ) === 'MyMemo(Widget)';
 *     hocName( 'MyMemo', <div /> ) === 'MyMemo(Component)';
 *
 * @param  name  Name assigned to higher-order component's wrapper component.
 * @param  Inner Wrapped component inside higher-order component.
 * @return       Wrapped name of higher-order component.
 */

const hocName = (name, Inner) => {
  const inner = Inner.displayName || Inner.name || 'Component';
  const outer = pascalCase(name !== null && name !== void 0 ? name : '');
  return `${outer}(${inner})`;
};

;// CONCATENATED MODULE: external "lodash"
var external_lodash_namespaceObject = window["lodash"];
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/compose.js
/**
 * External dependencies
 */

/**
 * Composes multiple higher-order components into a single higher-order component. Performs right-to-left function
 * composition, where each successive invocation is supplied the return value of the previous.
 *
 * This is just a re-export of `lodash`'s `flowRight` function.
 *
 * @see https://docs-lodash.com/v4/flow-right/
 */

/* harmony default export */ var compose = (external_lodash_namespaceObject.flowRight);

;// CONCATENATED MODULE: external ["wp","element"]
var external_wp_element_namespaceObject = window["wp"]["element"];
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/if-condition/index.js


/**
 * External dependencies
 */

/**
 * Internal dependencies
 */

/**
 * Higher-order component creator, creating a new component which renders if
 * the given condition is satisfied or with the given optional prop name.
 *
 * @example
 * ```ts
 * type Props = { foo: string };
 * const Component = ( props: Props ) => <div>{ props.foo }</div>;
 * const ConditionalComponent = ifCondition( ( props: Props ) => props.foo.length !== 0 )( Component );
 * <ConditionalComponent foo="" />; // => null
 * <ConditionalComponent foo="bar" />; // => <div>bar</div>;
 * ```
 *
 * @param  predicate Function to test condition.
 *
 * @return Higher-order component.
 */

function ifCondition(predicate) {
  return createHigherOrderComponent(WrappedComponent => props => {
    if (!predicate(props)) {
      return null;
    }

    return (0,external_wp_element_namespaceObject.createElement)(WrappedComponent, props);
  }, 'ifCondition');
}

/* harmony default export */ var if_condition = (ifCondition);

;// CONCATENATED MODULE: external ["wp","isShallowEqual"]
var external_wp_isShallowEqual_namespaceObject = window["wp"]["isShallowEqual"];
var external_wp_isShallowEqual_default = /*#__PURE__*/__webpack_require__.n(external_wp_isShallowEqual_namespaceObject);
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/pure/index.js


/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */


/**
 * Given a component returns the enhanced component augmented with a component
 * only re-rendering when its props/state change
 */

const pure = createHigherOrderComponent(function (WrappedComponent) {
  if (WrappedComponent.prototype instanceof external_wp_element_namespaceObject.Component) {
    return class extends WrappedComponent {
      shouldComponentUpdate(nextProps, nextState) {
        return !external_wp_isShallowEqual_default()(nextProps, this.props) || !external_wp_isShallowEqual_default()(nextState, this.state);
      }

    };
  }

  return class extends external_wp_element_namespaceObject.Component {
    shouldComponentUpdate(nextProps) {
      return !external_wp_isShallowEqual_default()(nextProps, this.props);
    }

    render() {
      return (0,external_wp_element_namespaceObject.createElement)(WrappedComponent, this.props);
    }

  };
}, 'pure');
/* harmony default export */ var higher_order_pure = (pure);

;// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/extends.js
function _extends() {
  _extends = Object.assign ? Object.assign.bind() : function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };
  return _extends.apply(this, arguments);
}
;// CONCATENATED MODULE: external ["wp","deprecated"]
var external_wp_deprecated_namespaceObject = window["wp"]["deprecated"];
var external_wp_deprecated_default = /*#__PURE__*/__webpack_require__.n(external_wp_deprecated_namespaceObject);
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/with-global-events/listener.js
/**
 * External dependencies
 */

/**
 * Class responsible for orchestrating event handling on the global window,
 * binding a single event to be shared across all handling instances, and
 * removing the handler when no instances are listening for the event.
 */

class Listener {
  constructor() {
    /** @type {any} */
    this.listeners = {};
    this.handleEvent = this.handleEvent.bind(this);
  }

  add(
  /** @type {any} */
  eventType,
  /** @type {any} */
  instance) {
    if (!this.listeners[eventType]) {
      // Adding first listener for this type, so bind event.
      window.addEventListener(eventType, this.handleEvent);
      this.listeners[eventType] = [];
    }

    this.listeners[eventType].push(instance);
  }

  remove(
  /** @type {any} */
  eventType,
  /** @type {any} */
  instance) {
    this.listeners[eventType] = (0,external_lodash_namespaceObject.without)(this.listeners[eventType], instance);

    if (!this.listeners[eventType].length) {
      // Removing last listener for this type, so unbind event.
      window.removeEventListener(eventType, this.handleEvent);
      delete this.listeners[eventType];
    }
  }

  handleEvent(
  /** @type {any} */
  event) {
    var _this$listeners$event;

    (_this$listeners$event = this.listeners[event.type]) === null || _this$listeners$event === void 0 ? void 0 : _this$listeners$event.forEach((
    /** @type {any} */
    instance) => {
      instance.handleEvent(event);
    });
  }

}

/* harmony default export */ var listener = (Listener);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/with-global-events/index.js



/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */



/**
 * Listener instance responsible for managing document event handling.
 */

const with_global_events_listener = new listener();
/* eslint-disable jsdoc/no-undefined-types */

/**
 * Higher-order component creator which, given an object of DOM event types and
 * values corresponding to a callback function name on the component, will
 * create or update a window event handler to invoke the callback when an event
 * occurs. On behalf of the consuming developer, the higher-order component
 * manages unbinding when the component unmounts, and binding at most a single
 * event handler for the entire application.
 *
 * @deprecated
 *
 * @param {Record<keyof GlobalEventHandlersEventMap, string>} eventTypesToHandlers Object with keys of DOM
 *                                                                                 event type, the value a
 *                                                                                 name of the function on
 *                                                                                 the original component's
 *                                                                                 instance which handles
 *                                                                                 the event.
 *
 * @return {any} Higher-order component.
 */

function withGlobalEvents(eventTypesToHandlers) {
  external_wp_deprecated_default()('wp.compose.withGlobalEvents', {
    since: '5.7',
    alternative: 'useEffect'
  }); // @ts-ignore We don't need to fix the type-related issues because this is deprecated.

  return createHigherOrderComponent(WrappedComponent => {
    class Wrapper extends external_wp_element_namespaceObject.Component {
      constructor(
      /** @type {any} */
      props) {
        super(props);
        this.handleEvent = this.handleEvent.bind(this);
        this.handleRef = this.handleRef.bind(this);
      }

      componentDidMount() {
        Object.keys(eventTypesToHandlers).forEach(eventType => {
          with_global_events_listener.add(eventType, this);
        });
      }

      componentWillUnmount() {
        Object.keys(eventTypesToHandlers).forEach(eventType => {
          with_global_events_listener.remove(eventType, this);
        });
      }

      handleEvent(
      /** @type {any} */
      event) {
        const handler = eventTypesToHandlers[
        /** @type {keyof GlobalEventHandlersEventMap} */
        event.type
        /* eslint-enable jsdoc/no-undefined-types */
        ];

        if (typeof this.wrappedRef[handler] === 'function') {
          this.wrappedRef[handler](event);
        }
      }

      handleRef(
      /** @type {any} */
      el) {
        this.wrappedRef = el; // Any component using `withGlobalEvents` that is not setting a `ref`
        // will cause `this.props.forwardedRef` to be `null`, so we need this
        // check.

        if (this.props.forwardedRef) {
          this.props.forwardedRef(el);
        }
      }

      render() {
        return (0,external_wp_element_namespaceObject.createElement)(WrappedComponent, _extends({}, this.props.ownProps, {
          ref: this.handleRef
        }));
      }

    }

    return (0,external_wp_element_namespaceObject.forwardRef)((props, ref) => {
      return (0,external_wp_element_namespaceObject.createElement)(Wrapper, {
        ownProps: props,
        forwardedRef: ref
      });
    });
  }, 'withGlobalEvents');
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-instance-id/index.js
// Disable reason: Object and object are distinctly different types in TypeScript and we mean the lowercase object in thise case
// but eslint wants to force us to use `Object`. See https://stackoverflow.com/questions/49464634/difference-between-object-and-object-in-typescript

/* eslint-disable jsdoc/check-types */

/**
 * WordPress dependencies
 */

/**
 * @type {WeakMap<object, number>}
 */

const instanceMap = new WeakMap();
/**
 * Creates a new id for a given object.
 *
 * @param {object} object Object reference to create an id for.
 * @return {number} The instance id (index).
 */

function createId(object) {
  const instances = instanceMap.get(object) || 0;
  instanceMap.set(object, instances + 1);
  return instances;
}
/**
 * Provides a unique instance ID.
 *
 * @param {object}          object           Object reference to create an id for.
 * @param {string}          [prefix]         Prefix for the unique id.
 * @param {string | number} [preferredId=''] Default ID to use.
 * @return {string | number} The unique instance id.
 */


function useInstanceId(object, prefix) {
  let preferredId = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
  return (0,external_wp_element_namespaceObject.useMemo)(() => {
    if (preferredId) return preferredId;
    const id = createId(object);
    return prefix ? `${prefix}-${id}` : id;
  }, [object]);
}
/* eslint-enable jsdoc/check-types */

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/with-instance-id/index.js



/**
 * Internal dependencies
 */



/**
 * A Higher Order Component used to be provide a unique instance ID by
 * component.
 */
const withInstanceId = createHigherOrderComponent(WrappedComponent => {
  return props => {
    const instanceId = useInstanceId(WrappedComponent); // @ts-ignore

    return (0,external_wp_element_namespaceObject.createElement)(WrappedComponent, _extends({}, props, {
      instanceId: instanceId
    }));
  };
}, 'instanceId');
/* harmony default export */ var with_instance_id = (withInstanceId);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/with-safe-timeout/index.js



/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */


/**
 * We cannot use the `Window['setTimeout']` and `Window['clearTimeout']`
 * types here because those functions include functionality that is not handled
 * by this component, like the ability to pass extra arguments.
 *
 * In the case of this component, we only handle the simplest case where
 * `setTimeout` only accepts a function (not a string) and an optional delay.
 */

/**
 * A higher-order component used to provide and manage delayed function calls
 * that ought to be bound to a component's lifecycle.
 */
const withSafeTimeout = createHigherOrderComponent(OriginalComponent => {
  return class WrappedComponent extends external_wp_element_namespaceObject.Component {
    constructor(props) {
      super(props);
      this.timeouts = [];
      this.setTimeout = this.setTimeout.bind(this);
      this.clearTimeout = this.clearTimeout.bind(this);
    }

    componentWillUnmount() {
      this.timeouts.forEach(clearTimeout);
    }

    setTimeout(fn, delay) {
      const id = setTimeout(() => {
        fn();
        this.clearTimeout(id);
      }, delay);
      this.timeouts.push(id);
      return id;
    }

    clearTimeout(id) {
      clearTimeout(id);
      this.timeouts = (0,external_lodash_namespaceObject.without)(this.timeouts, id);
    }

    render() {
      return (// @ts-ignore
        (0,external_wp_element_namespaceObject.createElement)(OriginalComponent, _extends({}, this.props, {
          setTimeout: this.setTimeout,
          clearTimeout: this.clearTimeout
        }))
      );
    }

  };
}, 'withSafeTimeout');
/* harmony default export */ var with_safe_timeout = (withSafeTimeout);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/higher-order/with-state/index.js



/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */


/**
 * A Higher Order Component used to provide and manage internal component state
 * via props.
 *
 * @deprecated Use `useState` instead.
 *
 * @param {any} initialState Optional initial state of the component.
 *
 * @return {any} A higher order component wrapper accepting a component that takes the state props + its own props + `setState` and returning a component that only accepts the own props.
 */

function withState() {
  let initialState = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  external_wp_deprecated_default()('wp.compose.withState', {
    since: '5.8',
    alternative: 'wp.element.useState'
  });
  return createHigherOrderComponent(OriginalComponent => {
    return class WrappedComponent extends external_wp_element_namespaceObject.Component {
      constructor(
      /** @type {any} */
      props) {
        super(props);
        this.setState = this.setState.bind(this);
        this.state = initialState;
      }

      render() {
        return (0,external_wp_element_namespaceObject.createElement)(OriginalComponent, _extends({}, this.props, this.state, {
          setState: this.setState
        }));
      }

    };
  }, 'withState');
}

;// CONCATENATED MODULE: external ["wp","keycodes"]
var external_wp_keycodes_namespaceObject = window["wp"]["keycodes"];
;// CONCATENATED MODULE: external ["wp","dom"]
var external_wp_dom_namespaceObject = window["wp"]["dom"];
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-ref-effect/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */

/**
 * Effect-like ref callback. Just like with `useEffect`, this allows you to
 * return a cleanup function to be run if the ref changes or one of the
 * dependencies changes. The ref is provided as an argument to the callback
 * functions. The main difference between this and `useEffect` is that
 * the `useEffect` callback is not called when the ref changes, but this is.
 * Pass the returned ref callback as the component's ref and merge multiple refs
 * with `useMergeRefs`.
 *
 * It's worth noting that if the dependencies array is empty, there's not
 * strictly a need to clean up event handlers for example, because the node is
 * to be removed. It *is* necessary if you add dependencies because the ref
 * callback will be called multiple times for the same node.
 *
 * @param  callback     Callback with ref as argument.
 * @param  dependencies Dependencies of the callback.
 *
 * @return Ref callback.
 */

function useRefEffect(callback, dependencies) {
  const cleanup = (0,external_wp_element_namespaceObject.useRef)();
  return (0,external_wp_element_namespaceObject.useCallback)(node => {
    if (node) {
      cleanup.current = callback(node);
    } else if (cleanup.current) {
      cleanup.current();
    }
  }, dependencies);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-constrained-tabbing/index.js
/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */


/**
 * In Dialogs/modals, the tabbing must be constrained to the content of
 * the wrapper element. This hook adds the behavior to the returned ref.
 *
 * @return {import('react').RefCallback<Element>} Element Ref.
 *
 * @example
 * ```js
 * import { useConstrainedTabbing } from '@wordpress/compose';
 *
 * const ConstrainedTabbingExample = () => {
 *     const constrainedTabbingRef = useConstrainedTabbing()
 *     return (
 *         <div ref={ constrainedTabbingRef }>
 *             <Button />
 *             <Button />
 *         </div>
 *     );
 * }
 * ```
 */

function useConstrainedTabbing() {
  return useRefEffect((
  /** @type {HTMLElement} */
  node) => {
    /** @type {number|undefined} */
    let timeoutId;

    function onKeyDown(
    /** @type {KeyboardEvent} */
    event) {
      const {
        keyCode,
        shiftKey,
        target
      } = event;

      if (keyCode !== external_wp_keycodes_namespaceObject.TAB) {
        return;
      }

      const action = shiftKey ? 'findPrevious' : 'findNext';
      const nextElement = external_wp_dom_namespaceObject.focus.tabbable[action](
      /** @type {HTMLElement} */
      target) || null; // If the element that is about to receive focus is outside the
      // area, move focus to a div and insert it at the start or end of
      // the area, depending on the direction. Without preventing default
      // behaviour, the browser will then move focus to the next element.

      if (node.contains(nextElement)) {
        return;
      }

      const domAction = shiftKey ? 'append' : 'prepend';
      const {
        ownerDocument
      } = node;
      const trap = ownerDocument.createElement('div');
      trap.tabIndex = -1;
      node[domAction](trap);
      trap.focus(); // Remove after the browser moves focus to the next element.

      timeoutId = setTimeout(() => node.removeChild(trap));
    }

    node.addEventListener('keydown', onKeyDown);
    return () => {
      node.removeEventListener('keydown', onKeyDown);
      clearTimeout(timeoutId);
    };
  }, []);
}

/* harmony default export */ var use_constrained_tabbing = (useConstrainedTabbing);

// EXTERNAL MODULE: ./node_modules/clipboard/dist/clipboard.js
var dist_clipboard = __webpack_require__(8294);
var clipboard_default = /*#__PURE__*/__webpack_require__.n(dist_clipboard);
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-copy-on-click/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */



/* eslint-disable jsdoc/no-undefined-types */

/**
 * Copies the text to the clipboard when the element is clicked.
 *
 * @deprecated
 *
 * @param {import('react').RefObject<string | Element | NodeListOf<Element>>} ref       Reference with the element.
 * @param {string|Function}                                                   text      The text to copy.
 * @param {number}                                                            [timeout] Optional timeout to reset the returned
 *                                                                                      state. 4 seconds by default.
 *
 * @return {boolean} Whether or not the text has been copied. Resets after the
 *                   timeout.
 */

function useCopyOnClick(ref, text) {
  let timeout = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 4000;

  /* eslint-enable jsdoc/no-undefined-types */
  external_wp_deprecated_default()('wp.compose.useCopyOnClick', {
    since: '5.8',
    alternative: 'wp.compose.useCopyToClipboard'
  });
  /** @type {import('react').MutableRefObject<Clipboard | undefined>} */

  const clipboard = (0,external_wp_element_namespaceObject.useRef)();
  const [hasCopied, setHasCopied] = (0,external_wp_element_namespaceObject.useState)(false);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    /** @type {number | undefined} */
    let timeoutId;

    if (!ref.current) {
      return;
    } // Clipboard listens to click events.


    clipboard.current = new (clipboard_default())(ref.current, {
      text: () => typeof text === 'function' ? text() : text
    });
    clipboard.current.on('success', _ref => {
      let {
        clearSelection,
        trigger
      } = _ref;
      // Clearing selection will move focus back to the triggering button,
      // ensuring that it is not reset to the body, and further that it is
      // kept within the rendered node.
      clearSelection(); // Handle ClipboardJS focus bug, see https://github.com/zenorocha/clipboard.js/issues/680

      if (trigger) {
        /** @type {HTMLElement} */
        trigger.focus();
      }

      if (timeout) {
        setHasCopied(true);
        clearTimeout(timeoutId);
        timeoutId = setTimeout(() => setHasCopied(false), timeout);
      }
    });
    return () => {
      if (clipboard.current) {
        clipboard.current.destroy();
      }

      clearTimeout(timeoutId);
    };
  }, [text, timeout, setHasCopied]);
  return hasCopied;
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-copy-to-clipboard/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */


/**
 * @template T
 * @param {T} value
 * @return {import('react').RefObject<T>} The updated ref
 */

function useUpdatedRef(value) {
  const ref = (0,external_wp_element_namespaceObject.useRef)(value);
  ref.current = value;
  return ref;
}
/**
 * Copies the given text to the clipboard when the element is clicked.
 *
 * @template {HTMLElement} TElementType
 * @param {string | (() => string)} text      The text to copy. Use a function if not
 *                                            already available and expensive to compute.
 * @param {Function}                onSuccess Called when to text is copied.
 *
 * @return {import('react').Ref<TElementType>} A ref to assign to the target element.
 */


function useCopyToClipboard(text, onSuccess) {
  // Store the dependencies as refs and continuously update them so they're
  // fresh when the callback is called.
  const textRef = useUpdatedRef(text);
  const onSuccessRef = useUpdatedRef(onSuccess);
  return useRefEffect(node => {
    // Clipboard listens to click events.
    const clipboard = new (clipboard_default())(node, {
      text() {
        return typeof textRef.current === 'function' ? textRef.current() : textRef.current || '';
      }

    });
    clipboard.on('success', _ref => {
      let {
        clearSelection
      } = _ref;
      // Clearing selection will move focus back to the triggering
      // button, ensuring that it is not reset to the body, and
      // further that it is kept within the rendered node.
      clearSelection(); // Handle ClipboardJS focus bug, see
      // https://github.com/zenorocha/clipboard.js/issues/680

      node.focus();

      if (onSuccessRef.current) {
        onSuccessRef.current();
      }
    });
    return () => {
      clipboard.destroy();
    };
  }, []);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-focus-on-mount/index.js
/**
 * WordPress dependencies
 */


/**
 * Hook used to focus the first tabbable element on mount.
 *
 * @param {boolean | 'firstElement'} focusOnMount Focus on mount mode.
 * @return {import('react').RefCallback<HTMLElement>} Ref callback.
 *
 * @example
 * ```js
 * import { useFocusOnMount } from '@wordpress/compose';
 *
 * const WithFocusOnMount = () => {
 *     const ref = useFocusOnMount()
 *     return (
 *         <div ref={ ref }>
 *             <Button />
 *             <Button />
 *         </div>
 *     );
 * }
 * ```
 */

function useFocusOnMount() {
  let focusOnMount = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'firstElement';
  const focusOnMountRef = (0,external_wp_element_namespaceObject.useRef)(focusOnMount);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    focusOnMountRef.current = focusOnMount;
  }, [focusOnMount]);
  return (0,external_wp_element_namespaceObject.useCallback)(node => {
    var _node$ownerDocument$a, _node$ownerDocument;

    if (!node || focusOnMountRef.current === false) {
      return;
    }

    if (node.contains((_node$ownerDocument$a = (_node$ownerDocument = node.ownerDocument) === null || _node$ownerDocument === void 0 ? void 0 : _node$ownerDocument.activeElement) !== null && _node$ownerDocument$a !== void 0 ? _node$ownerDocument$a : null)) {
      return;
    }

    let target = node;

    if (focusOnMountRef.current === 'firstElement') {
      const firstTabbable = external_wp_dom_namespaceObject.focus.tabbable.find(node)[0];

      if (firstTabbable) {
        target =
        /** @type {HTMLElement} */
        firstTabbable;
      }
    }

    target.focus({
      // When focusing newly mounted dialogs,
      // the position of the popover is often not right on the first render
      // This prevents the layout shifts when focusing the dialogs.
      preventScroll: true
    });
  }, []);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-focus-return/index.js
/**
 * WordPress dependencies
 */

/**
 * When opening modals/sidebars/dialogs, the focus
 * must move to the opened area and return to the
 * previously focused element when closed.
 * The current hook implements the returning behavior.
 *
 * @param {() => void} [onFocusReturn] Overrides the default return behavior.
 * @return {import('react').RefCallback<HTMLElement>} Element Ref.
 *
 * @example
 * ```js
 * import { useFocusReturn } from '@wordpress/compose';
 *
 * const WithFocusReturn = () => {
 *     const ref = useFocusReturn()
 *     return (
 *         <div ref={ ref }>
 *             <Button />
 *             <Button />
 *         </div>
 *     );
 * }
 * ```
 */

function useFocusReturn(onFocusReturn) {
  /** @type {import('react').MutableRefObject<null | HTMLElement>} */
  const ref = (0,external_wp_element_namespaceObject.useRef)(null);
  /** @type {import('react').MutableRefObject<null | Element>} */

  const focusedBeforeMount = (0,external_wp_element_namespaceObject.useRef)(null);
  const onFocusReturnRef = (0,external_wp_element_namespaceObject.useRef)(onFocusReturn);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    onFocusReturnRef.current = onFocusReturn;
  }, [onFocusReturn]);
  return (0,external_wp_element_namespaceObject.useCallback)(node => {
    if (node) {
      // Set ref to be used when unmounting.
      ref.current = node; // Only set when the node mounts.

      if (focusedBeforeMount.current) {
        return;
      }

      focusedBeforeMount.current = node.ownerDocument.activeElement;
    } else if (focusedBeforeMount.current) {
      var _ref$current, _ref$current2, _ref$current3;

      const isFocused = (_ref$current = ref.current) === null || _ref$current === void 0 ? void 0 : _ref$current.contains((_ref$current2 = ref.current) === null || _ref$current2 === void 0 ? void 0 : _ref$current2.ownerDocument.activeElement);

      if ((_ref$current3 = ref.current) !== null && _ref$current3 !== void 0 && _ref$current3.isConnected && !isFocused) {
        return;
      } // Defer to the component's own explicit focus return behavior, if
      // specified. This allows for support that the `onFocusReturn`
      // decides to allow the default behavior to occur under some
      // conditions.


      if (onFocusReturnRef.current) {
        onFocusReturnRef.current();
      } else {
        var _focusedBeforeMount$c;

        /** @type {null | HTMLElement} */
        (_focusedBeforeMount$c = focusedBeforeMount.current) === null || _focusedBeforeMount$c === void 0 ? void 0 : _focusedBeforeMount$c.focus();
      }
    }
  }, []);
}

/* harmony default export */ var use_focus_return = (useFocusReturn);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-focus-outside/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


/**
 * Input types which are classified as button types, for use in considering
 * whether element is a (focus-normalized) button.
 *
 * @type {string[]}
 */

const INPUT_BUTTON_TYPES = ['button', 'submit'];
/**
 * @typedef {HTMLButtonElement | HTMLLinkElement | HTMLInputElement} FocusNormalizedButton
 */
// Disable reason: Rule doesn't support predicate return types.

/* eslint-disable jsdoc/valid-types */

/**
 * Returns true if the given element is a button element subject to focus
 * normalization, or false otherwise.
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#Clicking_and_focus
 *
 * @param {EventTarget} eventTarget The target from a mouse or touch event.
 *
 * @return {eventTarget is FocusNormalizedButton} Whether element is a button.
 */

function isFocusNormalizedButton(eventTarget) {
  if (!(eventTarget instanceof window.HTMLElement)) {
    return false;
  }

  switch (eventTarget.nodeName) {
    case 'A':
    case 'BUTTON':
      return true;

    case 'INPUT':
      return (0,external_lodash_namespaceObject.includes)(INPUT_BUTTON_TYPES,
      /** @type {HTMLInputElement} */
      eventTarget.type);
  }

  return false;
}
/* eslint-enable jsdoc/valid-types */

/**
 * @typedef {import('react').SyntheticEvent} SyntheticEvent
 */

/**
 * @callback EventCallback
 * @param {SyntheticEvent} event input related event.
 */

/**
 * @typedef FocusOutsideReactElement
 * @property {EventCallback} handleFocusOutside callback for a focus outside event.
 */

/**
 * @typedef {import('react').MutableRefObject<FocusOutsideReactElement | undefined>} FocusOutsideRef
 */

/**
 * @typedef {Object} FocusOutsideReturnValue
 * @property {EventCallback} onFocus      An event handler for focus events.
 * @property {EventCallback} onBlur       An event handler for blur events.
 * @property {EventCallback} onMouseDown  An event handler for mouse down events.
 * @property {EventCallback} onMouseUp    An event handler for mouse up events.
 * @property {EventCallback} onTouchStart An event handler for touch start events.
 * @property {EventCallback} onTouchEnd   An event handler for touch end events.
 */

/**
 * A react hook that can be used to check whether focus has moved outside the
 * element the event handlers are bound to.
 *
 * @param {EventCallback} onFocusOutside A callback triggered when focus moves outside
 *                                       the element the event handlers are bound to.
 *
 * @return {FocusOutsideReturnValue} An object containing event handlers. Bind the event handlers
 *                                   to a wrapping element element to capture when focus moves
 *                                   outside that element.
 */


function useFocusOutside(onFocusOutside) {
  const currentOnFocusOutside = (0,external_wp_element_namespaceObject.useRef)(onFocusOutside);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    currentOnFocusOutside.current = onFocusOutside;
  }, [onFocusOutside]);
  const preventBlurCheck = (0,external_wp_element_namespaceObject.useRef)(false);
  /**
   * @type {import('react').MutableRefObject<number | undefined>}
   */

  const blurCheckTimeoutId = (0,external_wp_element_namespaceObject.useRef)();
  /**
   * Cancel a blur check timeout.
   */

  const cancelBlurCheck = (0,external_wp_element_namespaceObject.useCallback)(() => {
    clearTimeout(blurCheckTimeoutId.current);
  }, []); // Cancel blur checks on unmount.

  (0,external_wp_element_namespaceObject.useEffect)(() => {
    return () => cancelBlurCheck();
  }, []); // Cancel a blur check if the callback or ref is no longer provided.

  (0,external_wp_element_namespaceObject.useEffect)(() => {
    if (!onFocusOutside) {
      cancelBlurCheck();
    }
  }, [onFocusOutside, cancelBlurCheck]);
  /**
   * Handles a mousedown or mouseup event to respectively assign and
   * unassign a flag for preventing blur check on button elements. Some
   * browsers, namely Firefox and Safari, do not emit a focus event on
   * button elements when clicked, while others do. The logic here
   * intends to normalize this as treating click on buttons as focus.
   *
   * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#Clicking_and_focus
   *
   * @param {SyntheticEvent} event Event for mousedown or mouseup.
   */

  const normalizeButtonFocus = (0,external_wp_element_namespaceObject.useCallback)(event => {
    const {
      type,
      target
    } = event;
    const isInteractionEnd = (0,external_lodash_namespaceObject.includes)(['mouseup', 'touchend'], type);

    if (isInteractionEnd) {
      preventBlurCheck.current = false;
    } else if (isFocusNormalizedButton(target)) {
      preventBlurCheck.current = true;
    }
  }, []);
  /**
   * A callback triggered when a blur event occurs on the element the handler
   * is bound to.
   *
   * Calls the `onFocusOutside` callback in an immediate timeout if focus has
   * move outside the bound element and is still within the document.
   *
   * @param {SyntheticEvent} event Blur event.
   */

  const queueBlurCheck = (0,external_wp_element_namespaceObject.useCallback)(event => {
    // React does not allow using an event reference asynchronously
    // due to recycling behavior, except when explicitly persisted.
    event.persist(); // Skip blur check if clicking button. See `normalizeButtonFocus`.

    if (preventBlurCheck.current) {
      return;
    }

    blurCheckTimeoutId.current = setTimeout(() => {
      // If document is not focused then focus should remain
      // inside the wrapped component and therefore we cancel
      // this blur event thereby leaving focus in place.
      // https://developer.mozilla.org/en-US/docs/Web/API/Document/hasFocus.
      if (!document.hasFocus()) {
        event.preventDefault();
        return;
      }

      if ('function' === typeof currentOnFocusOutside.current) {
        currentOnFocusOutside.current(event);
      }
    }, 0);
  }, []);
  return {
    onFocus: cancelBlurCheck,
    onMouseDown: normalizeButtonFocus,
    onMouseUp: normalizeButtonFocus,
    onTouchStart: normalizeButtonFocus,
    onTouchEnd: normalizeButtonFocus,
    onBlur: queueBlurCheck
  };
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-merge-refs/index.js
/**
 * WordPress dependencies
 */

/* eslint-disable jsdoc/valid-types */

/**
 * @template T
 * @typedef {T extends import('react').Ref<infer R> ? R : never} TypeFromRef
 */

/* eslint-enable jsdoc/valid-types */

/**
 * @template T
 * @param {import('react').Ref<T>} ref
 * @param {T}                      value
 */

function assignRef(ref, value) {
  if (typeof ref === 'function') {
    ref(value);
  } else if (ref && ref.hasOwnProperty('current')) {
    /* eslint-disable jsdoc/no-undefined-types */

    /** @type {import('react').MutableRefObject<T>} */
    ref.current = value;
    /* eslint-enable jsdoc/no-undefined-types */
  }
}
/**
 * Merges refs into one ref callback.
 *
 * It also ensures that the merged ref callbacks are only called when they
 * change (as a result of a `useCallback` dependency update) OR when the ref
 * value changes, just as React does when passing a single ref callback to the
 * component.
 *
 * As expected, if you pass a new function on every render, the ref callback
 * will be called after every render.
 *
 * If you don't wish a ref callback to be called after every render, wrap it
 * with `useCallback( callback, dependencies )`. When a dependency changes, the
 * old ref callback will be called with `null` and the new ref callback will be
 * called with the same value.
 *
 * To make ref callbacks easier to use, you can also pass the result of
 * `useRefEffect`, which makes cleanup easier by allowing you to return a
 * cleanup function instead of handling `null`.
 *
 * It's also possible to _disable_ a ref (and its behaviour) by simply not
 * passing the ref.
 *
 * ```jsx
 * const ref = useRefEffect( ( node ) => {
 *   node.addEventListener( ... );
 *   return () => {
 *     node.removeEventListener( ... );
 *   };
 * }, [ ...dependencies ] );
 * const otherRef = useRef();
 * const mergedRefs useMergeRefs( [
 *   enabled && ref,
 *   otherRef,
 * ] );
 * return <div ref={ mergedRefs } />;
 * ```
 *
 * @template {import('react').Ref<any>} TRef
 * @param {Array<TRef>} refs The refs to be merged.
 *
 * @return {import('react').RefCallback<TypeFromRef<TRef>>} The merged ref callback.
 */


function useMergeRefs(refs) {
  const element = (0,external_wp_element_namespaceObject.useRef)();
  const didElementChange = (0,external_wp_element_namespaceObject.useRef)(false);
  /* eslint-disable jsdoc/no-undefined-types */

  /** @type {import('react').MutableRefObject<TRef[]>} */

  /* eslint-enable jsdoc/no-undefined-types */

  const previousRefs = (0,external_wp_element_namespaceObject.useRef)([]);
  const currentRefs = (0,external_wp_element_namespaceObject.useRef)(refs); // Update on render before the ref callback is called, so the ref callback
  // always has access to the current refs.

  currentRefs.current = refs; // If any of the refs change, call the previous ref with `null` and the new
  // ref with the node, except when the element changes in the same cycle, in
  // which case the ref callbacks will already have been called.

  (0,external_wp_element_namespaceObject.useLayoutEffect)(() => {
    if (didElementChange.current === false) {
      refs.forEach((ref, index) => {
        const previousRef = previousRefs.current[index];

        if (ref !== previousRef) {
          assignRef(previousRef, null);
          assignRef(ref, element.current);
        }
      });
    }

    previousRefs.current = refs;
  }, refs); // No dependencies, must be reset after every render so ref callbacks are
  // correctly called after a ref change.

  (0,external_wp_element_namespaceObject.useLayoutEffect)(() => {
    didElementChange.current = false;
  }); // There should be no dependencies so that `callback` is only called when
  // the node changes.

  return (0,external_wp_element_namespaceObject.useCallback)(value => {
    // Update the element so it can be used when calling ref callbacks on a
    // dependency change.
    assignRef(element, value);
    didElementChange.current = true; // When an element changes, the current ref callback should be called
    // with the new element and the previous one with `null`.

    const refsToAssign = value ? currentRefs.current : previousRefs.current; // Update the latest refs.

    for (const ref of refsToAssign) {
      assignRef(ref, value);
    }
  }, []);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-dialog/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */







/**
 * Returns a ref and props to apply to a dialog wrapper to enable the following behaviors:
 *  - constrained tabbing.
 *  - focus on mount.
 *  - return focus on unmount.
 *  - focus outside.
 *
 * @param  options Dialog Options.
 */
function useDialog(options) {
  const currentOptions = (0,external_wp_element_namespaceObject.useRef)();
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    currentOptions.current = options;
  }, Object.values(options));
  const constrainedTabbingRef = use_constrained_tabbing();
  const focusOnMountRef = useFocusOnMount(options.focusOnMount);
  const focusReturnRef = use_focus_return();
  const focusOutsideProps = useFocusOutside(event => {
    var _currentOptions$curre, _currentOptions$curre2;

    // This unstable prop  is here only to manage backward compatibility
    // for the Popover component otherwise, the onClose should be enough.
    if ((_currentOptions$curre = currentOptions.current) !== null && _currentOptions$curre !== void 0 && _currentOptions$curre.__unstableOnClose) {
      currentOptions.current.__unstableOnClose('focus-outside', event);
    } else if ((_currentOptions$curre2 = currentOptions.current) !== null && _currentOptions$curre2 !== void 0 && _currentOptions$curre2.onClose) {
      currentOptions.current.onClose();
    }
  });
  const closeOnEscapeRef = (0,external_wp_element_namespaceObject.useCallback)(node => {
    if (!node) {
      return;
    }

    node.addEventListener('keydown', event => {
      var _currentOptions$curre3;

      // Close on escape.
      if (event.keyCode === external_wp_keycodes_namespaceObject.ESCAPE && !event.defaultPrevented && (_currentOptions$curre3 = currentOptions.current) !== null && _currentOptions$curre3 !== void 0 && _currentOptions$curre3.onClose) {
        event.preventDefault();
        currentOptions.current.onClose();
      }
    });
  }, []);
  return [useMergeRefs([options.focusOnMount !== false ? constrainedTabbingRef : null, options.focusOnMount !== false ? focusReturnRef : null, options.focusOnMount !== false ? focusOnMountRef : null, closeOnEscapeRef]), { ...focusOutsideProps,
    tabIndex: -1
  }];
}

/* harmony default export */ var use_dialog = (useDialog);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-disabled/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */


/**
 * Names of control nodes which qualify for disabled behavior.
 *
 * See WHATWG HTML Standard: 4.10.18.5: "Enabling and disabling form controls: the disabled attribute".
 *
 * @see https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#enabling-and-disabling-form-controls:-the-disabled-attribute
 *
 * @type {string[]}
 */

const DISABLED_ELIGIBLE_NODE_NAMES = ['BUTTON', 'FIELDSET', 'INPUT', 'OPTGROUP', 'OPTION', 'SELECT', 'TEXTAREA'];
/**
 * In some circumstances, such as block previews, all focusable DOM elements
 * (input fields, links, buttons, etc.) need to be disabled. This hook adds the
 * behavior to disable nested DOM elements to the returned ref.
 *
 * @param {Object}   config            Configuration object.
 * @param {boolean=} config.isDisabled Whether the element should be disabled.
 * @return {import('react').RefCallback<HTMLElement>} Element Ref.
 *
 * @example
 * ```js
 * import { useDisabled } from '@wordpress/compose';
 * const DisabledExample = () => {
 * 	const disabledRef = useDisabled();
 *	return (
 *		<div ref={ disabledRef }>
 *			<a href="#">This link will have tabindex set to -1</a>
 *			<input placeholder="This input will have the disabled attribute added to it." type="text" />
 *		</div>
 *	);
 * };
 * ```
 */

function useDisabled() {
  let {
    isDisabled: isDisabledProp = false
  } = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  return useRefEffect(node => {
    if (isDisabledProp) {
      return;
    }
    /** A variable keeping track of the previous updates in order to restore them. */

    /** @type {Function[]} */


    const updates = [];

    const disable = () => {
      if (node.style.getPropertyValue('user-select') !== 'none') {
        const previousValue = node.style.getPropertyValue('user-select');
        node.style.setProperty('user-select', 'none');
        node.style.setProperty('-webkit-user-select', 'none');
        updates.push(() => {
          if (!node.isConnected) {
            return;
          }

          node.style.setProperty('user-select', previousValue);
          node.style.setProperty('-webkit-user-select', previousValue);
        });
      }

      external_wp_dom_namespaceObject.focus.focusable.find(node).forEach(focusable => {
        var _node$ownerDocument$d;

        if ((0,external_lodash_namespaceObject.includes)(DISABLED_ELIGIBLE_NODE_NAMES, focusable.nodeName) && // @ts-ignore
        !focusable.disabled) {
          focusable.setAttribute('disabled', '');
          updates.push(() => {
            if (!focusable.isConnected) {
              return;
            } // @ts-ignore


            focusable.disabled = false;
          });
        }

        if (focusable.nodeName === 'A' && focusable.getAttribute('tabindex') !== '-1') {
          const previousValue = focusable.getAttribute('tabindex');
          focusable.setAttribute('tabindex', '-1');
          updates.push(() => {
            if (!focusable.isConnected) {
              return;
            }

            if (!previousValue) {
              focusable.removeAttribute('tabindex');
            } else {
              focusable.setAttribute('tabindex', previousValue);
            }
          });
        }

        const tabIndex = focusable.getAttribute('tabindex');

        if (tabIndex !== null && tabIndex !== '-1') {
          focusable.removeAttribute('tabindex');
          updates.push(() => {
            if (!focusable.isConnected) {
              return;
            }

            focusable.setAttribute('tabindex', tabIndex);
          });
        }

        if (focusable.hasAttribute('contenteditable') && focusable.getAttribute('contenteditable') !== 'false') {
          focusable.setAttribute('contenteditable', 'false');
          updates.push(() => {
            if (!focusable.isConnected) {
              return;
            }

            focusable.setAttribute('contenteditable', 'true');
          });
        }

        if ((_node$ownerDocument$d = node.ownerDocument.defaultView) !== null && _node$ownerDocument$d !== void 0 && _node$ownerDocument$d.HTMLElement && focusable instanceof node.ownerDocument.defaultView.HTMLElement) {
          const previousValue = focusable.style.getPropertyValue('pointer-events');
          focusable.style.setProperty('pointer-events', 'none');
          updates.push(() => {
            if (!focusable.isConnected) {
              return;
            }

            focusable.style.setProperty('pointer-events', previousValue);
          });
        }
      });
    }; // Debounce re-disable since disabling process itself will incur
    // additional mutations which should be ignored.


    const debouncedDisable = (0,external_lodash_namespaceObject.debounce)(disable, undefined, {
      leading: true
    });
    disable();
    /** @type {MutationObserver | undefined} */

    const observer = new window.MutationObserver(debouncedDisable);
    observer.observe(node, {
      childList: true,
      attributes: true,
      subtree: true
    });
    return () => {
      if (observer) {
        observer.disconnect();
      }

      debouncedDisable.cancel();
      updates.forEach(update => update());
    };
  }, [isDisabledProp]);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-isomorphic-layout-effect/index.js
/**
 * WordPress dependencies
 */

/**
 * Preferred over direct usage of `useLayoutEffect` when supporting
 * server rendered components (SSR) because currently React
 * throws a warning when using useLayoutEffect in that environment.
 */

const useIsomorphicLayoutEffect = typeof window !== 'undefined' ? external_wp_element_namespaceObject.useLayoutEffect : external_wp_element_namespaceObject.useEffect;
/* harmony default export */ var use_isomorphic_layout_effect = (useIsomorphicLayoutEffect);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-dragging/index.js
/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */

 // Event handlers that are triggered from `document` listeners accept a MouseEvent,
// while those triggered from React listeners accept a React.MouseEvent.

/**
 * @param {Object}                                  props
 * @param {(e: import('react').MouseEvent) => void} props.onDragStart
 * @param {(e: MouseEvent) => void}                 props.onDragMove
 * @param {(e?: MouseEvent) => void}                props.onDragEnd
 */

function useDragging(_ref) {
  let {
    onDragStart,
    onDragMove,
    onDragEnd
  } = _ref;
  const [isDragging, setIsDragging] = (0,external_wp_element_namespaceObject.useState)(false);
  const eventsRef = (0,external_wp_element_namespaceObject.useRef)({
    onDragStart,
    onDragMove,
    onDragEnd
  });
  use_isomorphic_layout_effect(() => {
    eventsRef.current.onDragStart = onDragStart;
    eventsRef.current.onDragMove = onDragMove;
    eventsRef.current.onDragEnd = onDragEnd;
  }, [onDragStart, onDragMove, onDragEnd]);
  /** @type {(e: MouseEvent) => void} */

  const onMouseMove = (0,external_wp_element_namespaceObject.useCallback)(event => eventsRef.current.onDragMove && eventsRef.current.onDragMove(event), []);
  /** @type {(e?: MouseEvent) => void} */

  const endDrag = (0,external_wp_element_namespaceObject.useCallback)(event => {
    if (eventsRef.current.onDragEnd) {
      eventsRef.current.onDragEnd(event);
    }

    document.removeEventListener('mousemove', onMouseMove);
    document.removeEventListener('mouseup', endDrag);
    setIsDragging(false);
  }, []);
  /** @type {(e: import('react').MouseEvent) => void} */

  const startDrag = (0,external_wp_element_namespaceObject.useCallback)(event => {
    if (eventsRef.current.onDragStart) {
      eventsRef.current.onDragStart(event);
    }

    document.addEventListener('mousemove', onMouseMove);
    document.addEventListener('mouseup', endDrag);
    setIsDragging(true);
  }, []); // Remove the global events when unmounting if needed.

  (0,external_wp_element_namespaceObject.useEffect)(() => {
    return () => {
      if (isDragging) {
        document.removeEventListener('mousemove', onMouseMove);
        document.removeEventListener('mouseup', endDrag);
      }
    };
  }, [isDragging]);
  return {
    startDrag,
    endDrag,
    isDragging
  };
}

// EXTERNAL MODULE: ./node_modules/mousetrap/mousetrap.js
var mousetrap_mousetrap = __webpack_require__(7973);
var mousetrap_default = /*#__PURE__*/__webpack_require__.n(mousetrap_mousetrap);
// EXTERNAL MODULE: ./node_modules/mousetrap/plugins/global-bind/mousetrap-global-bind.js
var mousetrap_global_bind = __webpack_require__(5538);
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-keyboard-shortcut/index.js
/**
 * External dependencies
 */



/**
 * WordPress dependencies
 */



/**
 * A block selection object.
 *
 * @typedef {Object} WPKeyboardShortcutConfig
 *
 * @property {boolean}                                [bindGlobal] Handle keyboard events anywhere including inside textarea/input fields.
 * @property {string}                                 [eventName]  Event name used to trigger the handler, defaults to keydown.
 * @property {boolean}                                [isDisabled] Disables the keyboard handler if the value is true.
 * @property {import('react').RefObject<HTMLElement>} [target]     React reference to the DOM element used to catch the keyboard event.
 */

/* eslint-disable jsdoc/valid-types */

/**
 * Attach a keyboard shortcut handler.
 *
 * @see https://craig.is/killing/mice#api.bind for information about the `callback` parameter.
 *
 * @param {string[]|string}                                                       shortcuts Keyboard Shortcuts.
 * @param {(e: import('mousetrap').ExtendedKeyboardEvent, combo: string) => void} callback  Shortcut callback.
 * @param {WPKeyboardShortcutConfig}                                              options   Shortcut options.
 */

function useKeyboardShortcut(
/* eslint-enable jsdoc/valid-types */
shortcuts, callback) {
  let {
    bindGlobal = false,
    eventName = 'keydown',
    isDisabled = false,
    // This is important for performance considerations.
    target
  } = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  const currentCallback = (0,external_wp_element_namespaceObject.useRef)(callback);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    currentCallback.current = callback;
  }, [callback]);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    if (isDisabled) {
      return;
    }

    const mousetrap = new (mousetrap_default())(target && target.current ? target.current : // We were passing `document` here previously, so to successfully cast it to Element we must cast it first to `unknown`.
    // Not sure if this is a mistake but it was the behavior previous to the addition of types so we're just doing what's
    // necessary to maintain the existing behavior.

    /** @type {Element} */

    /** @type {unknown} */
    document);
    (0,external_lodash_namespaceObject.castArray)(shortcuts).forEach(shortcut => {
      const keys = shortcut.split('+'); // Determines whether a key is a modifier by the length of the string.
      // E.g. if I add a pass a shortcut Shift+Cmd+M, it'll determine that
      // the modifiers are Shift and Cmd because they're not a single character.

      const modifiers = new Set(keys.filter(value => value.length > 1));
      const hasAlt = modifiers.has('alt');
      const hasShift = modifiers.has('shift'); // This should be better moved to the shortcut registration instead.

      if ((0,external_wp_keycodes_namespaceObject.isAppleOS)() && (modifiers.size === 1 && hasAlt || modifiers.size === 2 && hasAlt && hasShift)) {
        throw new Error(`Cannot bind ${shortcut}. Alt and Shift+Alt modifiers are reserved for character input.`);
      }

      const bindFn = bindGlobal ? 'bindGlobal' : 'bind'; // @ts-ignore `bindGlobal` is an undocumented property

      mousetrap[bindFn](shortcut, function () {
        return (
          /* eslint-enable jsdoc/valid-types */
          currentCallback.current(...arguments)
        );
      }, eventName);
    });
    return () => {
      mousetrap.reset();
    };
  }, [shortcuts, bindGlobal, eventName, target, isDisabled]);
}

/* harmony default export */ var use_keyboard_shortcut = (useKeyboardShortcut);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-media-query/index.js
/**
 * WordPress dependencies
 */

/**
 * Runs a media query and returns its value when it changes.
 *
 * @param {string} [query] Media Query.
 * @return {boolean} return value of the media query.
 */

function useMediaQuery(query) {
  const [match, setMatch] = (0,external_wp_element_namespaceObject.useState)(() => !!(query && typeof window !== 'undefined' && window.matchMedia(query).matches));
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    if (!query) {
      return;
    }

    const updateMatch = () => setMatch(window.matchMedia(query).matches);

    updateMatch();
    const list = window.matchMedia(query);
    list.addListener(updateMatch);
    return () => {
      list.removeListener(updateMatch);
    };
  }, [query]);
  return !!query && match;
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-previous/index.js
/**
 * WordPress dependencies
 */

/**
 * Use something's value from the previous render.
 * Based on https://usehooks.com/usePrevious/.
 *
 * @param  value The value to track.
 *
 * @return The value from the previous render.
 */

function usePrevious(value) {
  const ref = (0,external_wp_element_namespaceObject.useRef)(); // Store current value in ref.

  (0,external_wp_element_namespaceObject.useEffect)(() => {
    ref.current = value;
  }, [value]); // Re-run when value changes.
  // Return previous value (happens before update in useEffect above).

  return ref.current;
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-reduced-motion/index.js
/**
 * Internal dependencies
 */

/**
 * Hook returning whether the user has a preference for reduced motion.
 *
 * @return {boolean} Reduced motion preference value.
 */

const useReducedMotion = () => useMediaQuery('(prefers-reduced-motion: reduce)');

/* harmony default export */ var use_reduced_motion = (useReducedMotion);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-viewport-match/index.js
/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */


/**
 * @typedef {"huge" | "wide" | "large" | "medium" | "small" | "mobile"} WPBreakpoint
 */

/**
 * Hash of breakpoint names with pixel width at which it becomes effective.
 *
 * @see _breakpoints.scss
 *
 * @type {Record<WPBreakpoint, number>}
 */

const BREAKPOINTS = {
  huge: 1440,
  wide: 1280,
  large: 960,
  medium: 782,
  small: 600,
  mobile: 480
};
/**
 * @typedef {">=" | "<"} WPViewportOperator
 */

/**
 * Object mapping media query operators to the condition to be used.
 *
 * @type {Record<WPViewportOperator, string>}
 */

const CONDITIONS = {
  '>=': 'min-width',
  '<': 'max-width'
};
/**
 * Object mapping media query operators to a function that given a breakpointValue and a width evaluates if the operator matches the values.
 *
 * @type {Record<WPViewportOperator, (breakpointValue: number, width: number) => boolean>}
 */

const OPERATOR_EVALUATORS = {
  '>=': (breakpointValue, width) => width >= breakpointValue,
  '<': (breakpointValue, width) => width < breakpointValue
};
const ViewportMatchWidthContext = (0,external_wp_element_namespaceObject.createContext)(
/** @type {null | number} */
null);
/**
 * Returns true if the viewport matches the given query, or false otherwise.
 *
 * @param {WPBreakpoint}       breakpoint      Breakpoint size name.
 * @param {WPViewportOperator} [operator=">="] Viewport operator.
 *
 * @example
 *
 * ```js
 * useViewportMatch( 'huge', '<' );
 * useViewportMatch( 'medium' );
 * ```
 *
 * @return {boolean} Whether viewport matches query.
 */

const useViewportMatch = function (breakpoint) {
  let operator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '>=';
  const simulatedWidth = (0,external_wp_element_namespaceObject.useContext)(ViewportMatchWidthContext);
  const mediaQuery = !simulatedWidth && `(${CONDITIONS[operator]}: ${BREAKPOINTS[breakpoint]}px)`;
  const mediaQueryResult = useMediaQuery(mediaQuery || undefined);

  if (simulatedWidth) {
    return OPERATOR_EVALUATORS[operator](BREAKPOINTS[breakpoint], simulatedWidth);
  }

  return mediaQueryResult;
};

useViewportMatch.__experimentalWidthProvider = ViewportMatchWidthContext.Provider;
/* harmony default export */ var use_viewport_match = (useViewportMatch);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-resize-observer/index.js


/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */


// This of course could've been more streamlined with internal state instead of
// refs, but then host hooks / components could not opt out of renders.
// This could've been exported to its own module, but the current build doesn't
// seem to work with module imports and I had no more time to spend on this...
function useResolvedElement(subscriber, refOrElement) {
  const callbackRefElement = (0,external_wp_element_namespaceObject.useRef)(null);
  const lastReportRef = (0,external_wp_element_namespaceObject.useRef)(null);
  const cleanupRef = (0,external_wp_element_namespaceObject.useRef)();
  const callSubscriber = (0,external_wp_element_namespaceObject.useCallback)(() => {
    let element = null;

    if (callbackRefElement.current) {
      element = callbackRefElement.current;
    } else if (refOrElement) {
      if (refOrElement instanceof HTMLElement) {
        element = refOrElement;
      } else {
        element = refOrElement.current;
      }
    }

    if (lastReportRef.current && lastReportRef.current.element === element && lastReportRef.current.reporter === callSubscriber) {
      return;
    }

    if (cleanupRef.current) {
      cleanupRef.current(); // Making sure the cleanup is not called accidentally multiple times.

      cleanupRef.current = null;
    }

    lastReportRef.current = {
      reporter: callSubscriber,
      element
    }; // Only calling the subscriber, if there's an actual element to report.

    if (element) {
      cleanupRef.current = subscriber(element);
    }
  }, [refOrElement, subscriber]); // On each render, we check whether a ref changed, or if we got a new raw
  // element.

  (0,external_wp_element_namespaceObject.useEffect)(() => {
    // With this we're *technically* supporting cases where ref objects' current value changes, but only if there's a
    // render accompanying that change as well.
    // To guarantee we always have the right element, one must use the ref callback provided instead, but we support
    // RefObjects to make the hook API more convenient in certain cases.
    callSubscriber();
  }, [callSubscriber]);
  return (0,external_wp_element_namespaceObject.useCallback)(element => {
    callbackRefElement.current = element;
    callSubscriber();
  }, [callSubscriber]);
}

// We're only using the first element of the size sequences, until future versions of the spec solidify on how
// exactly it'll be used for fragments in multi-column scenarios:
// From the spec:
// > The box size properties are exposed as FrozenArray in order to support elements that have multiple fragments,
// > which occur in multi-column scenarios. However the current definitions of content rect and border box do not
// > mention how those boxes are affected by multi-column layout. In this spec, there will only be a single
// > ResizeObserverSize returned in the FrozenArray, which will correspond to the dimensions of the first column.
// > A future version of this spec will extend the returned FrozenArray to contain the per-fragment size information.
// (https://drafts.csswg.org/resize-observer/#resize-observer-entry-interface)
//
// Also, testing these new box options revealed that in both Chrome and FF everything is returned in the callback,
// regardless of the "box" option.
// The spec states the following on this:
// > This does not have any impact on which box dimensions are returned to the defined callback when the event
// > is fired, it solely defines which box the author wishes to observe layout changes on.
// (https://drafts.csswg.org/resize-observer/#resize-observer-interface)
// I'm not exactly clear on what this means, especially when you consider a later section stating the following:
// > This section is non-normative. An author may desire to observe more than one CSS box.
// > In this case, author will need to use multiple ResizeObservers.
// (https://drafts.csswg.org/resize-observer/#resize-observer-interface)
// Which is clearly not how current browser implementations behave, and seems to contradict the previous quote.
// For this reason I decided to only return the requested size,
// even though it seems we have access to results for all box types.
// This also means that we get to keep the current api, being able to return a simple { width, height } pair,
// regardless of box option.
const extractSize = (entry, boxProp, sizeType) => {
  if (!entry[boxProp]) {
    if (boxProp === 'contentBoxSize') {
      // The dimensions in `contentBoxSize` and `contentRect` are equivalent according to the spec.
      // See the 6th step in the description for the RO algorithm:
      // https://drafts.csswg.org/resize-observer/#create-and-populate-resizeobserverentry-h
      // > Set this.contentRect to logical this.contentBoxSize given target and observedBox of "content-box".
      // In real browser implementations of course these objects differ, but the width/height values should be equivalent.
      return entry.contentRect[sizeType === 'inlineSize' ? 'width' : 'height'];
    }

    return undefined;
  } // A couple bytes smaller than calling Array.isArray() and just as effective here.


  return entry[boxProp][0] ? entry[boxProp][0][sizeType] : // TS complains about this, because the RO entry type follows the spec and does not reflect Firefox's current
  // behaviour of returning objects instead of arrays for `borderBoxSize` and `contentBoxSize`.
  // @ts-ignore
  entry[boxProp][sizeType];
};

function useResizeObserver() {
  let opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  // Saving the callback as a ref. With this, I don't need to put onResize in the
  // effect dep array, and just passing in an anonymous function without memoising
  // will not reinstantiate the hook's ResizeObserver.
  const onResize = opts.onResize;
  const onResizeRef = (0,external_wp_element_namespaceObject.useRef)(undefined);
  onResizeRef.current = onResize;
  const round = opts.round || Math.round; // Using a single instance throughout the hook's lifetime

  const resizeObserverRef = (0,external_wp_element_namespaceObject.useRef)();
  const [size, setSize] = (0,external_wp_element_namespaceObject.useState)({
    width: undefined,
    height: undefined
  }); // In certain edge cases the RO might want to report a size change just after
  // the component unmounted.

  const didUnmount = (0,external_wp_element_namespaceObject.useRef)(false);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    return () => {
      didUnmount.current = true;
    };
  }, []); // Using a ref to track the previous width / height to avoid unnecessary renders.

  const previous = (0,external_wp_element_namespaceObject.useRef)({
    width: undefined,
    height: undefined
  }); // This block is kinda like a useEffect, only it's called whenever a new
  // element could be resolved based on the ref option. It also has a cleanup
  // function.

  const refCallback = useResolvedElement((0,external_wp_element_namespaceObject.useCallback)(element => {
    // We only use a single Resize Observer instance, and we're instantiating it on demand, only once there's something to observe.
    // This instance is also recreated when the `box` option changes, so that a new observation is fired if there was a previously observed element with a different box option.
    if (!resizeObserverRef.current || resizeObserverRef.current.box !== opts.box || resizeObserverRef.current.round !== round) {
      resizeObserverRef.current = {
        box: opts.box,
        round,
        instance: new ResizeObserver(entries => {
          const entry = entries[0];
          let boxProp = 'borderBoxSize';

          if (opts.box === 'border-box') {
            boxProp = 'borderBoxSize';
          } else {
            boxProp = opts.box === 'device-pixel-content-box' ? 'devicePixelContentBoxSize' : 'contentBoxSize';
          }

          const reportedWidth = extractSize(entry, boxProp, 'inlineSize');
          const reportedHeight = extractSize(entry, boxProp, 'blockSize');
          const newWidth = reportedWidth ? round(reportedWidth) : undefined;
          const newHeight = reportedHeight ? round(reportedHeight) : undefined;

          if (previous.current.width !== newWidth || previous.current.height !== newHeight) {
            const newSize = {
              width: newWidth,
              height: newHeight
            };
            previous.current.width = newWidth;
            previous.current.height = newHeight;

            if (onResizeRef.current) {
              onResizeRef.current(newSize);
            } else if (!didUnmount.current) {
              setSize(newSize);
            }
          }
        })
      };
    }

    resizeObserverRef.current.instance.observe(element, {
      box: opts.box
    });
    return () => {
      if (resizeObserverRef.current) {
        resizeObserverRef.current.instance.unobserve(element);
      }
    };
  }, [opts.box, round]), opts.ref);
  return (0,external_wp_element_namespaceObject.useMemo)(() => ({
    ref: refCallback,
    width: size.width,
    height: size.height
  }), [refCallback, size ? size.width : null, size ? size.height : null]);
}
/**
 * Hook which allows to listen the resize event of any target element when it changes sizes.
 * _Note: `useResizeObserver` will report `null` until after first render.
 *
 * @example
 *
 * ```js
 * const App = () => {
 * 	const [ resizeListener, sizes ] = useResizeObserver();
 *
 * 	return (
 * 		<div>
 * 			{ resizeListener }
 * 			Your content here
 * 		</div>
 * 	);
 * };
 * ```
 */


function useResizeAware() {
  const {
    ref,
    width,
    height
  } = useResizeObserver();
  const sizes = (0,external_wp_element_namespaceObject.useMemo)(() => {
    return {
      width: width !== null && width !== void 0 ? width : null,
      height: height !== null && height !== void 0 ? height : null
    };
  }, [width, height]);
  const resizeListener = (0,external_wp_element_namespaceObject.createElement)("div", {
    style: {
      position: 'absolute',
      top: 0,
      left: 0,
      right: 0,
      bottom: 0,
      pointerEvents: 'none',
      opacity: 0,
      overflow: 'hidden',
      zIndex: -1
    },
    "aria-hidden": "true",
    ref: ref
  });
  return [resizeListener, sizes];
}

;// CONCATENATED MODULE: external ["wp","priorityQueue"]
var external_wp_priorityQueue_namespaceObject = window["wp"]["priorityQueue"];
;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-async-list/index.js
/**
 * WordPress dependencies
 */



/**
 * Returns the first items from list that are present on state.
 *
 * @param  list  New array.
 * @param  state Current state.
 * @return First items present iin state.
 */
function getFirstItemsPresentInState(list, state) {
  const firstItems = [];

  for (let i = 0; i < list.length; i++) {
    const item = list[i];

    if (!state.includes(item)) {
      break;
    }

    firstItems.push(item);
  }

  return firstItems;
}
/**
 * React hook returns an array which items get asynchronously appended from a source array.
 * This behavior is useful if we want to render a list of items asynchronously for performance reasons.
 *
 * @param  list   Source array.
 * @param  config Configuration object.
 *
 * @return Async array.
 */


function useAsyncList(list) {
  let config = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    step: 1
  };
  const {
    step = 1
  } = config;
  const [current, setCurrent] = (0,external_wp_element_namespaceObject.useState)([]);
  (0,external_wp_element_namespaceObject.useEffect)(() => {
    // On reset, we keep the first items that were previously rendered.
    let firstItems = getFirstItemsPresentInState(list, current);

    if (firstItems.length < step) {
      firstItems = firstItems.concat(list.slice(firstItems.length, step));
    }

    setCurrent(firstItems);
    let nextIndex = firstItems.length;
    const asyncQueue = (0,external_wp_priorityQueue_namespaceObject.createQueue)();

    const append = () => {
      if (list.length <= nextIndex) {
        return;
      }

      setCurrent(state => [...state, ...list.slice(nextIndex, nextIndex + step)]);
      nextIndex += step;
      asyncQueue.add({}, append);
    };

    asyncQueue.add({}, append);
    return () => asyncQueue.reset();
  }, [list]);
  return current;
}

/* harmony default export */ var use_async_list = (useAsyncList);

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-warn-on-change/index.js
/**
 * Internal dependencies
 */
 // Disable reason: Object and object are distinctly different types in TypeScript and we mean the lowercase object in thise case
// but eslint wants to force us to use `Object`. See https://stackoverflow.com/questions/49464634/difference-between-object-and-object-in-typescript

/* eslint-disable jsdoc/check-types */

/**
 * Hook that performs a shallow comparison between the preview value of an object
 * and the new one, if there's a difference, it prints it to the console.
 * this is useful in performance related work, to check why a component re-renders.
 *
 *  @example
 *
 * ```jsx
 * function MyComponent(props) {
 *    useWarnOnChange(props);
 *
 *    return "Something";
 * }
 * ```
 *
 * @param {object} object Object which changes to compare.
 * @param {string} prefix Just a prefix to show when console logging.
 */

function useWarnOnChange(object) {
  let prefix = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'Change detection';
  const previousValues = usePrevious(object);
  Object.entries(previousValues !== null && previousValues !== void 0 ? previousValues : []).forEach(_ref => {
    let [key, value] = _ref;

    if (value !== object[
    /** @type {keyof typeof object} */
    key]) {
      // eslint-disable-next-line no-console
      console.warn(`${prefix}: ${key} key changed:`, value, object[
      /** @type {keyof typeof object} */
      key]
      /* eslint-enable jsdoc/check-types */
      );
    }
  });
}

/* harmony default export */ var use_warn_on_change = (useWarnOnChange);

;// CONCATENATED MODULE: external "React"
var external_React_namespaceObject = window["React"];
;// CONCATENATED MODULE: ./node_modules/use-memo-one/dist/use-memo-one.esm.js


function areInputsEqual(newInputs, lastInputs) {
  if (newInputs.length !== lastInputs.length) {
    return false;
  }

  for (var i = 0; i < newInputs.length; i++) {
    if (newInputs[i] !== lastInputs[i]) {
      return false;
    }
  }

  return true;
}

function useMemoOne(getResult, inputs) {
  var initial = (0,external_React_namespaceObject.useState)(function () {
    return {
      inputs: inputs,
      result: getResult()
    };
  })[0];
  var isFirstRun = (0,external_React_namespaceObject.useRef)(true);
  var committed = (0,external_React_namespaceObject.useRef)(initial);
  var useCache = isFirstRun.current || Boolean(inputs && committed.current.inputs && areInputsEqual(inputs, committed.current.inputs));
  var cache = useCache ? committed.current : {
    inputs: inputs,
    result: getResult()
  };
  (0,external_React_namespaceObject.useEffect)(function () {
    isFirstRun.current = false;
    committed.current = cache;
  }, [cache]);
  return cache.result;
}
function useCallbackOne(callback, inputs) {
  return useMemoOne(function () {
    return callback;
  }, inputs);
}
var useMemo = (/* unused pure expression or super */ null && (useMemoOne));
var useCallback = (/* unused pure expression or super */ null && (useCallbackOne));



;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-debounce/index.js
/**
 * External dependencies
 */


/**
 * WordPress dependencies
 */


/* eslint-disable jsdoc/valid-types */

/**
 * Debounces a function with Lodash's `debounce`. A new debounced function will
 * be returned and any scheduled calls cancelled if any of the arguments change,
 * including the function to debounce, so please wrap functions created on
 * render in components in `useCallback`.
 *
 * @see https://docs-lodash.com/v4/debounce/
 *
 * @template {(...args: any[]) => void} TFunc
 *
 * @param {TFunc}                             fn        The function to debounce.
 * @param {number}                            [wait]    The number of milliseconds to delay.
 * @param {import('lodash').DebounceSettings} [options] The options object.
 * @return {import('lodash').DebouncedFunc<TFunc>} Debounced function.
 */

function useDebounce(fn, wait, options) {
  /* eslint-enable jsdoc/valid-types */
  const debounced = useMemoOne(() => (0,external_lodash_namespaceObject.debounce)(fn, wait, options), [fn, wait, options]);
  (0,external_wp_element_namespaceObject.useEffect)(() => () => debounced.cancel(), [debounced]);
  return debounced;
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-throttle/index.js
/**
 * External dependencies
 */


/**
 * WordPress dependencies
 */


/**
 * Throttles a function with Lodash's `throttle`. A new throttled function will
 * be returned and any scheduled calls cancelled if any of the arguments change,
 * including the function to throttle, so please wrap functions created on
 * render in components in `useCallback`.
 *
 * @see https://docs-lodash.com/v4/throttle/
 *
 * @template {(...args: any[]) => void} TFunc
 *
 * @param {TFunc}                             fn        The function to throttle.
 * @param {number}                            [wait]    The number of milliseconds to throttle invocations to.
 * @param {import('lodash').ThrottleSettings} [options] The options object. See linked documentation for details.
 * @return {import('lodash').DebouncedFunc<TFunc>} Throttled function.
 */

function useThrottle(fn, wait, options) {
  const throttled = useMemoOne(() => (0,external_lodash_namespaceObject.throttle)(fn, wait, options), [fn, wait, options]);
  (0,external_wp_element_namespaceObject.useEffect)(() => () => throttled.cancel(), [throttled]);
  return throttled;
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-drop-zone/index.js
/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */


/* eslint-disable jsdoc/valid-types */

/**
 * @template T
 * @param {T} value
 * @return {import('react').MutableRefObject<T|null>} A ref with the value.
 */

function useFreshRef(value) {
  /* eslint-enable jsdoc/valid-types */

  /* eslint-disable jsdoc/no-undefined-types */

  /** @type {import('react').MutableRefObject<T>} */

  /* eslint-enable jsdoc/no-undefined-types */
  // Disable reason: We're doing something pretty JavaScript-y here where the
  // ref will always have a current value that is not null or undefined but it
  // needs to start as undefined. We don't want to change the return type so
  // it's easier to just ts-ignore this specific line that's complaining about
  // undefined not being part of T.
  // @ts-ignore
  const ref = (0,external_wp_element_namespaceObject.useRef)();
  ref.current = value;
  return ref;
}
/**
 * A hook to facilitate drag and drop handling.
 *
 * @param {Object}                  props               Named parameters.
 * @param {boolean}                 [props.isDisabled]  Whether or not to disable the drop zone.
 * @param {(e: DragEvent) => void}  [props.onDragStart] Called when dragging has started.
 * @param {(e: DragEvent) => void}  [props.onDragEnter] Called when the zone is entered.
 * @param {(e: DragEvent) => void}  [props.onDragOver]  Called when the zone is moved within.
 * @param {(e: DragEvent) => void}  [props.onDragLeave] Called when the zone is left.
 * @param {(e: MouseEvent) => void} [props.onDragEnd]   Called when dragging has ended.
 * @param {(e: DragEvent) => void}  [props.onDrop]      Called when dropping in the zone.
 *
 * @return {import('react').RefCallback<HTMLElement>} Ref callback to be passed to the drop zone element.
 */


function useDropZone(_ref) {
  let {
    isDisabled,
    onDrop: _onDrop,
    onDragStart: _onDragStart,
    onDragEnter: _onDragEnter,
    onDragLeave: _onDragLeave,
    onDragEnd: _onDragEnd,
    onDragOver: _onDragOver
  } = _ref;
  const onDropRef = useFreshRef(_onDrop);
  const onDragStartRef = useFreshRef(_onDragStart);
  const onDragEnterRef = useFreshRef(_onDragEnter);
  const onDragLeaveRef = useFreshRef(_onDragLeave);
  const onDragEndRef = useFreshRef(_onDragEnd);
  const onDragOverRef = useFreshRef(_onDragOver);
  return useRefEffect(element => {
    if (isDisabled) {
      return;
    }

    let isDragging = false;
    const {
      ownerDocument
    } = element;
    /**
     * Checks if an element is in the drop zone.
     *
     * @param {EventTarget|null} targetToCheck
     *
     * @return {boolean} True if in drop zone, false if not.
     */

    function isElementInZone(targetToCheck) {
      const {
        defaultView
      } = ownerDocument;

      if (!targetToCheck || !defaultView || !(targetToCheck instanceof defaultView.HTMLElement) || !element.contains(targetToCheck)) {
        return false;
      }
      /** @type {HTMLElement|null} */


      let elementToCheck = targetToCheck;

      do {
        if (elementToCheck.dataset.isDropZone) {
          return elementToCheck === element;
        }
      } while (elementToCheck = elementToCheck.parentElement);

      return false;
    }

    function maybeDragStart(
    /** @type {DragEvent} */
    event) {
      if (isDragging) {
        return;
      }

      isDragging = true;
      ownerDocument.removeEventListener('dragenter', maybeDragStart); // Note that `dragend` doesn't fire consistently for file and
      // HTML drag events where the drag origin is outside the browser
      // window. In Firefox it may also not fire if the originating
      // node is removed.

      ownerDocument.addEventListener('dragend', maybeDragEnd);
      ownerDocument.addEventListener('mousemove', maybeDragEnd);

      if (onDragStartRef.current) {
        onDragStartRef.current(event);
      }
    }

    function onDragEnter(
    /** @type {DragEvent} */
    event) {
      event.preventDefault(); // The `dragenter` event will also fire when entering child
      // elements, but we only want to call `onDragEnter` when
      // entering the drop zone, which means the `relatedTarget`
      // (element that has been left) should be outside the drop zone.

      if (element.contains(
      /** @type {Node} */
      event.relatedTarget)) {
        return;
      }

      if (onDragEnterRef.current) {
        onDragEnterRef.current(event);
      }
    }

    function onDragOver(
    /** @type {DragEvent} */
    event) {
      // Only call onDragOver for the innermost hovered drop zones.
      if (!event.defaultPrevented && onDragOverRef.current) {
        onDragOverRef.current(event);
      } // Prevent the browser default while also signalling to parent
      // drop zones that `onDragOver` is already handled.


      event.preventDefault();
    }

    function onDragLeave(
    /** @type {DragEvent} */
    event) {
      // The `dragleave` event will also fire when leaving child
      // elements, but we only want to call `onDragLeave` when
      // leaving the drop zone, which means the `relatedTarget`
      // (element that has been entered) should be outside the drop
      // zone.
      if (isElementInZone(event.relatedTarget)) {
        return;
      }

      if (onDragLeaveRef.current) {
        onDragLeaveRef.current(event);
      }
    }

    function onDrop(
    /** @type {DragEvent} */
    event) {
      // Don't handle drop if an inner drop zone already handled it.
      if (event.defaultPrevented) {
        return;
      } // Prevent the browser default while also signalling to parent
      // drop zones that `onDrop` is already handled.


      event.preventDefault(); // This seemingly useless line has been shown to resolve a
      // Safari issue where files dragged directly from the dock are
      // not recognized.
      // eslint-disable-next-line no-unused-expressions

      event.dataTransfer && event.dataTransfer.files.length;

      if (onDropRef.current) {
        onDropRef.current(event);
      }

      maybeDragEnd(event);
    }

    function maybeDragEnd(
    /** @type {MouseEvent} */
    event) {
      if (!isDragging) {
        return;
      }

      isDragging = false;
      ownerDocument.addEventListener('dragenter', maybeDragStart);
      ownerDocument.removeEventListener('dragend', maybeDragEnd);
      ownerDocument.removeEventListener('mousemove', maybeDragEnd);

      if (onDragEndRef.current) {
        onDragEndRef.current(event);
      }
    }

    element.dataset.isDropZone = 'true';
    element.addEventListener('drop', onDrop);
    element.addEventListener('dragenter', onDragEnter);
    element.addEventListener('dragover', onDragOver);
    element.addEventListener('dragleave', onDragLeave); // The `dragstart` event doesn't fire if the drag started outside
    // the document.

    ownerDocument.addEventListener('dragenter', maybeDragStart);
    return () => {
      onDropRef.current = null;
      onDragStartRef.current = null;
      onDragEnterRef.current = null;
      onDragLeaveRef.current = null;
      onDragEndRef.current = null;
      onDragOverRef.current = null;
      delete element.dataset.isDropZone;
      element.removeEventListener('drop', onDrop);
      element.removeEventListener('dragenter', onDragEnter);
      element.removeEventListener('dragover', onDragOver);
      element.removeEventListener('dragleave', onDragLeave);
      ownerDocument.removeEventListener('dragend', maybeDragEnd);
      ownerDocument.removeEventListener('mousemove', maybeDragEnd);
      ownerDocument.addEventListener('dragenter', maybeDragStart);
    };
  }, [isDisabled]);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-focusable-iframe/index.js
/**
 * Internal dependencies
 */

/**
 * Dispatches a bubbling focus event when the iframe receives focus. Use
 * `onFocus` as usual on the iframe or a parent element.
 *
 * @return {Object} Ref to pass to the iframe.
 */

function useFocusableIframe() {
  return useRefEffect(element => {
    const {
      ownerDocument
    } = element;
    if (!ownerDocument) return;
    const {
      defaultView
    } = ownerDocument;
    if (!defaultView) return;
    /**
     * Checks whether the iframe is the activeElement, inferring that it has
     * then received focus, and dispatches a focus event.
     */

    function checkFocus() {
      if (ownerDocument && ownerDocument.activeElement === element) {
        /** @type {HTMLElement} */
        element.focus();
      }
    }

    defaultView.addEventListener('blur', checkFocus);
    return () => {
      defaultView.removeEventListener('blur', checkFocus);
    };
  }, []);
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/hooks/use-fixed-window-list/index.js
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */




const DEFAULT_INIT_WINDOW_SIZE = 30;
/**
 * @typedef {Object} WPFixedWindowList
 *
 * @property {number}                  visibleItems Items visible in the current viewport
 * @property {number}                  start        Start index of the window
 * @property {number}                  end          End index of the window
 * @property {(index:number)=>boolean} itemInView   Returns true if item is in the window
 */

/**
 * @typedef {Object} WPFixedWindowListOptions
 *
 * @property {number}  [windowOverscan] Renders windowOverscan number of items before and after the calculated visible window.
 * @property {boolean} [useWindowing]   When false avoids calculating the window size
 * @property {number}  [initWindowSize] Initial window size to use on first render before we can calculate the window size.
 */

/**
 *
 * @param {import('react').RefObject<HTMLElement>} elementRef Used to find the closest scroll container that contains element.
 * @param { number }                               itemHeight Fixed item height in pixels
 * @param { number }                               totalItems Total items in list
 * @param { WPFixedWindowListOptions }             [options]  Options object
 * @return {[ WPFixedWindowList, setFixedListWindow:(nextWindow:WPFixedWindowList)=>void]} Array with the fixed window list and setter
 */

function useFixedWindowList(elementRef, itemHeight, totalItems, options) {
  var _options$initWindowSi, _options$useWindowing;

  const initWindowSize = (_options$initWindowSi = options === null || options === void 0 ? void 0 : options.initWindowSize) !== null && _options$initWindowSi !== void 0 ? _options$initWindowSi : DEFAULT_INIT_WINDOW_SIZE;
  const useWindowing = (_options$useWindowing = options === null || options === void 0 ? void 0 : options.useWindowing) !== null && _options$useWindowing !== void 0 ? _options$useWindowing : true;
  const [fixedListWindow, setFixedListWindow] = (0,external_wp_element_namespaceObject.useState)({
    visibleItems: initWindowSize,
    start: 0,
    end: initWindowSize,
    itemInView: (
    /** @type {number} */
    index) => {
      return index >= 0 && index <= initWindowSize;
    }
  });
  (0,external_wp_element_namespaceObject.useLayoutEffect)(() => {
    var _scrollContainer$owne, _scrollContainer$owne2, _scrollContainer$owne3, _scrollContainer$owne4;

    if (!useWindowing) {
      return;
    }

    const scrollContainer = (0,external_wp_dom_namespaceObject.getScrollContainer)(elementRef.current);

    const measureWindow = (
    /** @type {boolean | undefined} */
    initRender) => {
      var _options$windowOversc;

      if (!scrollContainer) {
        return;
      }

      const visibleItems = Math.ceil(scrollContainer.clientHeight / itemHeight); // Aim to keep opening list view fast, afterward we can optimize for scrolling.

      const windowOverscan = initRender ? visibleItems : (_options$windowOversc = options === null || options === void 0 ? void 0 : options.windowOverscan) !== null && _options$windowOversc !== void 0 ? _options$windowOversc : visibleItems;
      const firstViewableIndex = Math.floor(scrollContainer.scrollTop / itemHeight);
      const start = Math.max(0, firstViewableIndex - windowOverscan);
      const end = Math.min(totalItems - 1, firstViewableIndex + visibleItems + windowOverscan);
      setFixedListWindow(lastWindow => {
        const nextWindow = {
          visibleItems,
          start,
          end,
          itemInView: (
          /** @type {number} */
          index) => {
            return start <= index && index <= end;
          }
        };

        if (lastWindow.start !== nextWindow.start || lastWindow.end !== nextWindow.end || lastWindow.visibleItems !== nextWindow.visibleItems) {
          return nextWindow;
        }

        return lastWindow;
      });
    };

    measureWindow(true);
    const debounceMeasureList = (0,external_lodash_namespaceObject.debounce)(() => {
      measureWindow();
    }, 16);
    scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.addEventListener('scroll', debounceMeasureList);
    scrollContainer === null || scrollContainer === void 0 ? void 0 : (_scrollContainer$owne = scrollContainer.ownerDocument) === null || _scrollContainer$owne === void 0 ? void 0 : (_scrollContainer$owne2 = _scrollContainer$owne.defaultView) === null || _scrollContainer$owne2 === void 0 ? void 0 : _scrollContainer$owne2.addEventListener('resize', debounceMeasureList);
    scrollContainer === null || scrollContainer === void 0 ? void 0 : (_scrollContainer$owne3 = scrollContainer.ownerDocument) === null || _scrollContainer$owne3 === void 0 ? void 0 : (_scrollContainer$owne4 = _scrollContainer$owne3.defaultView) === null || _scrollContainer$owne4 === void 0 ? void 0 : _scrollContainer$owne4.addEventListener('resize', debounceMeasureList);
    return () => {
      var _scrollContainer$owne5, _scrollContainer$owne6;

      scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.removeEventListener('scroll', debounceMeasureList);
      scrollContainer === null || scrollContainer === void 0 ? void 0 : (_scrollContainer$owne5 = scrollContainer.ownerDocument) === null || _scrollContainer$owne5 === void 0 ? void 0 : (_scrollContainer$owne6 = _scrollContainer$owne5.defaultView) === null || _scrollContainer$owne6 === void 0 ? void 0 : _scrollContainer$owne6.removeEventListener('resize', debounceMeasureList);
    };
  }, [itemHeight, elementRef, totalItems]);
  (0,external_wp_element_namespaceObject.useLayoutEffect)(() => {
    var _scrollContainer$owne7, _scrollContainer$owne8;

    if (!useWindowing) {
      return;
    }

    const scrollContainer = (0,external_wp_dom_namespaceObject.getScrollContainer)(elementRef.current);

    const handleKeyDown = (
    /** @type {KeyboardEvent} */
    event) => {
      switch (event.keyCode) {
        case external_wp_keycodes_namespaceObject.HOME:
          {
            return scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.scrollTo({
              top: 0
            });
          }

        case external_wp_keycodes_namespaceObject.END:
          {
            return scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.scrollTo({
              top: totalItems * itemHeight
            });
          }

        case external_wp_keycodes_namespaceObject.PAGEUP:
          {
            return scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.scrollTo({
              top: scrollContainer.scrollTop - fixedListWindow.visibleItems * itemHeight
            });
          }

        case external_wp_keycodes_namespaceObject.PAGEDOWN:
          {
            return scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.scrollTo({
              top: scrollContainer.scrollTop + fixedListWindow.visibleItems * itemHeight
            });
          }
      }
    };

    scrollContainer === null || scrollContainer === void 0 ? void 0 : (_scrollContainer$owne7 = scrollContainer.ownerDocument) === null || _scrollContainer$owne7 === void 0 ? void 0 : (_scrollContainer$owne8 = _scrollContainer$owne7.defaultView) === null || _scrollContainer$owne8 === void 0 ? void 0 : _scrollContainer$owne8.addEventListener('keydown', handleKeyDown);
    return () => {
      var _scrollContainer$owne9, _scrollContainer$owne10;

      scrollContainer === null || scrollContainer === void 0 ? void 0 : (_scrollContainer$owne9 = scrollContainer.ownerDocument) === null || _scrollContainer$owne9 === void 0 ? void 0 : (_scrollContainer$owne10 = _scrollContainer$owne9.defaultView) === null || _scrollContainer$owne10 === void 0 ? void 0 : _scrollContainer$owne10.removeEventListener('keydown', handleKeyDown);
    };
  }, [totalItems, itemHeight, elementRef, fixedListWindow.visibleItems]);
  return [fixedListWindow, setFixedListWindow];
}

;// CONCATENATED MODULE: ./node_modules/@wordpress/compose/build-module/index.js
// The `createHigherOrderComponent` helper and helper types.
 // Compose helper (aliased flowRight from Lodash)

 // Higher-order components.






 // Hooks.




























}();
(window.wp = window.wp || {}).compose = __webpack_exports__;
/******/ })()
;