wp/wp-includes/js/dist/rich-text.js
changeset 9 177826044cd9
child 16 a86126ab1dd4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/js/dist/rich-text.js	Mon Oct 14 18:28:13 2019 +0200
@@ -0,0 +1,3732 @@
+this["wp"] = this["wp"] || {}; this["wp"]["richText"] =
+/******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// 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 });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__webpack_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(__webpack_require__.s = 361);
+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ 0:
+/***/ (function(module, exports) {
+
+(function() { module.exports = this["wp"]["element"]; }());
+
+/***/ }),
+
+/***/ 15:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _defineProperty; });
+function _defineProperty(obj, key, value) {
+  if (key in obj) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+  } else {
+    obj[key] = value;
+  }
+
+  return obj;
+}
+
+/***/ }),
+
+/***/ 17:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+
+// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithoutHoles.js
+function _arrayWithoutHoles(arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {
+      arr2[i] = arr[i];
+    }
+
+    return arr2;
+  }
+}
+// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArray.js
+var iterableToArray = __webpack_require__(34);
+
+// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableSpread.js
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance");
+}
+// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _toConsumableArray; });
+
+
+
+function _toConsumableArray(arr) {
+  return _arrayWithoutHoles(arr) || Object(iterableToArray["a" /* default */])(arr) || _nonIterableSpread();
+}
+
+/***/ }),
+
+/***/ 19:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _extends; });
+function _extends() {
+  _extends = Object.assign || 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);
+}
+
+/***/ }),
+
+/***/ 2:
+/***/ (function(module, exports) {
+
+(function() { module.exports = this["lodash"]; }());
+
+/***/ }),
+
+/***/ 26:
+/***/ (function(module, exports) {
+
+(function() { module.exports = this["wp"]["hooks"]; }());
+
+/***/ }),
+
+/***/ 30:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+
+
+var LEAF_KEY, hasWeakMap;
+
+/**
+ * Arbitrary value used as key for referencing cache object in WeakMap tree.
+ *
+ * @type {Object}
+ */
+LEAF_KEY = {};
+
+/**
+ * Whether environment supports WeakMap.
+ *
+ * @type {boolean}
+ */
+hasWeakMap = typeof WeakMap !== 'undefined';
+
+/**
+ * Returns the first argument as the sole entry in an array.
+ *
+ * @param {*} value Value to return.
+ *
+ * @return {Array} Value returned as entry in array.
+ */
+function arrayOf( value ) {
+	return [ value ];
+}
+
+/**
+ * Returns true if the value passed is object-like, or false otherwise. A value
+ * is object-like if it can support property assignment, e.g. object or array.
+ *
+ * @param {*} value Value to test.
+ *
+ * @return {boolean} Whether value is object-like.
+ */
+function isObjectLike( value ) {
+	return !! value && 'object' === typeof value;
+}
+
+/**
+ * Creates and returns a new cache object.
+ *
+ * @return {Object} Cache object.
+ */
+function createCache() {
+	var cache = {
+		clear: function() {
+			cache.head = null;
+		},
+	};
+
+	return cache;
+}
+
+/**
+ * Returns true if entries within the two arrays are strictly equal by
+ * reference from a starting index.
+ *
+ * @param {Array}  a         First array.
+ * @param {Array}  b         Second array.
+ * @param {number} fromIndex Index from which to start comparison.
+ *
+ * @return {boolean} Whether arrays are shallowly equal.
+ */
+function isShallowEqual( a, b, fromIndex ) {
+	var i;
+
+	if ( a.length !== b.length ) {
+		return false;
+	}
+
+	for ( i = fromIndex; i < a.length; i++ ) {
+		if ( a[ i ] !== b[ i ] ) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
+/**
+ * Returns a memoized selector function. The getDependants function argument is
+ * called before the memoized selector and is expected to return an immutable
+ * reference or array of references on which the selector depends for computing
+ * its own return value. The memoize cache is preserved only as long as those
+ * dependant references remain the same. If getDependants returns a different
+ * reference(s), the cache is cleared and the selector value regenerated.
+ *
+ * @param {Function} selector      Selector function.
+ * @param {Function} getDependants Dependant getter returning an immutable
+ *                                 reference or array of reference used in
+ *                                 cache bust consideration.
+ *
+ * @return {Function} Memoized selector.
+ */
+/* harmony default export */ __webpack_exports__["a"] = (function( selector, getDependants ) {
+	var rootCache, getCache;
+
+	// Use object source as dependant if getter not provided
+	if ( ! getDependants ) {
+		getDependants = arrayOf;
+	}
+
+	/**
+	 * Returns the root cache. If WeakMap is supported, this is assigned to the
+	 * root WeakMap cache set, otherwise it is a shared instance of the default
+	 * cache object.
+	 *
+	 * @return {(WeakMap|Object)} Root cache object.
+	 */
+	function getRootCache() {
+		return rootCache;
+	}
+
+	/**
+	 * Returns the cache for a given dependants array. When possible, a WeakMap
+	 * will be used to create a unique cache for each set of dependants. This
+	 * is feasible due to the nature of WeakMap in allowing garbage collection
+	 * to occur on entries where the key object is no longer referenced. Since
+	 * WeakMap requires the key to be an object, this is only possible when the
+	 * dependant is object-like. The root cache is created as a hierarchy where
+	 * each top-level key is the first entry in a dependants set, the value a
+	 * WeakMap where each key is the next dependant, and so on. This continues
+	 * so long as the dependants are object-like. If no dependants are object-
+	 * like, then the cache is shared across all invocations.
+	 *
+	 * @see isObjectLike
+	 *
+	 * @param {Array} dependants Selector dependants.
+	 *
+	 * @return {Object} Cache object.
+	 */
+	function getWeakMapCache( dependants ) {
+		var caches = rootCache,
+			isUniqueByDependants = true,
+			i, dependant, map, cache;
+
+		for ( i = 0; i < dependants.length; i++ ) {
+			dependant = dependants[ i ];
+
+			// Can only compose WeakMap from object-like key.
+			if ( ! isObjectLike( dependant ) ) {
+				isUniqueByDependants = false;
+				break;
+			}
+
+			// Does current segment of cache already have a WeakMap?
+			if ( caches.has( dependant ) ) {
+				// Traverse into nested WeakMap.
+				caches = caches.get( dependant );
+			} else {
+				// Create, set, and traverse into a new one.
+				map = new WeakMap();
+				caches.set( dependant, map );
+				caches = map;
+			}
+		}
+
+		// We use an arbitrary (but consistent) object as key for the last item
+		// in the WeakMap to serve as our running cache.
+		if ( ! caches.has( LEAF_KEY ) ) {
+			cache = createCache();
+			cache.isUniqueByDependants = isUniqueByDependants;
+			caches.set( LEAF_KEY, cache );
+		}
+
+		return caches.get( LEAF_KEY );
+	}
+
+	// Assign cache handler by availability of WeakMap
+	getCache = hasWeakMap ? getWeakMapCache : getRootCache;
+
+	/**
+	 * Resets root memoization cache.
+	 */
+	function clear() {
+		rootCache = hasWeakMap ? new WeakMap() : createCache();
+	}
+
+	// eslint-disable-next-line jsdoc/check-param-names
+	/**
+	 * The augmented selector call, considering first whether dependants have
+	 * changed before passing it to underlying memoize function.
+	 *
+	 * @param {Object} source    Source object for derivation.
+	 * @param {...*}   extraArgs Additional arguments to pass to selector.
+	 *
+	 * @return {*} Selector result.
+	 */
+	function callSelector( /* source, ...extraArgs */ ) {
+		var len = arguments.length,
+			cache, node, i, args, dependants;
+
+		// Create copy of arguments (avoid leaking deoptimization).
+		args = new Array( len );
+		for ( i = 0; i < len; i++ ) {
+			args[ i ] = arguments[ i ];
+		}
+
+		dependants = getDependants.apply( null, args );
+		cache = getCache( dependants );
+
+		// If not guaranteed uniqueness by dependants (primitive type or lack
+		// of WeakMap support), shallow compare against last dependants and, if
+		// references have changed, destroy cache to recalculate result.
+		if ( ! cache.isUniqueByDependants ) {
+			if ( cache.lastDependants && ! isShallowEqual( dependants, cache.lastDependants, 0 ) ) {
+				cache.clear();
+			}
+
+			cache.lastDependants = dependants;
+		}
+
+		node = cache.head;
+		while ( node ) {
+			// Check whether node arguments match arguments
+			if ( ! isShallowEqual( node.args, args, 1 ) ) {
+				node = node.next;
+				continue;
+			}
+
+			// At this point we can assume we've found a match
+
+			// Surface matched node to head if not already
+			if ( node !== cache.head ) {
+				// Adjust siblings to point to each other.
+				node.prev.next = node.next;
+				if ( node.next ) {
+					node.next.prev = node.prev;
+				}
+
+				node.next = cache.head;
+				node.prev = null;
+				cache.head.prev = node;
+				cache.head = node;
+			}
+
+			// Return immediately
+			return node.val;
+		}
+
+		// No cached value found. Continue to insertion phase:
+
+		node = {
+			// Generate the result from original function
+			val: selector.apply( null, args ),
+		};
+
+		// Avoid including the source object in the cache.
+		args[ 0 ] = null;
+		node.args = args;
+
+		// Don't need to check whether node is already head, since it would
+		// have been returned above already if it was
+
+		// Shift existing head down list
+		if ( cache.head ) {
+			cache.head.prev = node;
+			node.next = cache.head;
+		}
+
+		cache.head = node;
+
+		return node.val;
+	}
+
+	callSelector.getDependants = getDependants;
+	callSelector.clear = clear;
+	clear();
+
+	return callSelector;
+});
+
+
+/***/ }),
+
+/***/ 32:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _typeof; });
+function _typeof2(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); }
+
+function _typeof(obj) {
+  if (typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol") {
+    _typeof = function _typeof(obj) {
+      return _typeof2(obj);
+    };
+  } else {
+    _typeof = function _typeof(obj) {
+      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj);
+    };
+  }
+
+  return _typeof(obj);
+}
+
+/***/ }),
+
+/***/ 34:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _iterableToArray; });
+function _iterableToArray(iter) {
+  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+}
+
+/***/ }),
+
+/***/ 361:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+var selectors_namespaceObject = {};
+__webpack_require__.r(selectors_namespaceObject);
+__webpack_require__.d(selectors_namespaceObject, "getFormatTypes", function() { return getFormatTypes; });
+__webpack_require__.d(selectors_namespaceObject, "getFormatType", function() { return getFormatType; });
+__webpack_require__.d(selectors_namespaceObject, "getFormatTypeForBareElement", function() { return getFormatTypeForBareElement; });
+__webpack_require__.d(selectors_namespaceObject, "getFormatTypeForClassName", function() { return getFormatTypeForClassName; });
+var actions_namespaceObject = {};
+__webpack_require__.r(actions_namespaceObject);
+__webpack_require__.d(actions_namespaceObject, "addFormatTypes", function() { return addFormatTypes; });
+__webpack_require__.d(actions_namespaceObject, "removeFormatTypes", function() { return removeFormatTypes; });
+
+// EXTERNAL MODULE: external {"this":["wp","data"]}
+var external_this_wp_data_ = __webpack_require__(5);
+
+// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/objectSpread.js
+var objectSpread = __webpack_require__(7);
+
+// EXTERNAL MODULE: external "lodash"
+var external_lodash_ = __webpack_require__(2);
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/store/reducer.js
+
+
+/**
+ * External dependencies
+ */
+
+/**
+ * WordPress dependencies
+ */
+
+
+/**
+ * Reducer managing the format types
+ *
+ * @param {Object} state  Current state.
+ * @param {Object} action Dispatched action.
+ *
+ * @return {Object} Updated state.
+ */
+
+function reducer_formatTypes() {
+  var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  var action = arguments.length > 1 ? arguments[1] : undefined;
+
+  switch (action.type) {
+    case 'ADD_FORMAT_TYPES':
+      return Object(objectSpread["a" /* default */])({}, state, Object(external_lodash_["keyBy"])(action.formatTypes, 'name'));
+
+    case 'REMOVE_FORMAT_TYPES':
+      return Object(external_lodash_["omit"])(state, action.names);
+  }
+
+  return state;
+}
+/* harmony default export */ var reducer = (Object(external_this_wp_data_["combineReducers"])({
+  formatTypes: reducer_formatTypes
+}));
+
+// EXTERNAL MODULE: ./node_modules/rememo/es/rememo.js
+var rememo = __webpack_require__(30);
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/store/selectors.js
+/**
+ * External dependencies
+ */
+
+
+/**
+ * Returns all the available format types.
+ *
+ * @param {Object} state Data state.
+ *
+ * @return {Array} Format types.
+ */
+
+var getFormatTypes = Object(rememo["a" /* default */])(function (state) {
+  return Object.values(state.formatTypes);
+}, function (state) {
+  return [state.formatTypes];
+});
+/**
+ * Returns a format type by name.
+ *
+ * @param {Object} state Data state.
+ * @param {string} name Format type name.
+ *
+ * @return {Object?} Format type.
+ */
+
+function getFormatType(state, name) {
+  return state.formatTypes[name];
+}
+/**
+ * Gets the format type, if any, that can handle a bare element (without a
+ * data-format-type attribute), given the tag name of this element.
+ *
+ * @param {Object} state              Data state.
+ * @param {string} bareElementTagName The tag name of the element to find a
+ *                                    format type for.
+ * @return {?Object} Format type.
+ */
+
+function getFormatTypeForBareElement(state, bareElementTagName) {
+  return Object(external_lodash_["find"])(getFormatTypes(state), function (_ref) {
+    var tagName = _ref.tagName;
+    return bareElementTagName === tagName;
+  });
+}
+/**
+ * Gets the format type, if any, that can handle an element, given its classes.
+ *
+ * @param {Object} state            Data state.
+ * @param {string} elementClassName The classes of the element to find a format
+ *                                  type for.
+ * @return {?Object} Format type.
+ */
+
+function getFormatTypeForClassName(state, elementClassName) {
+  return Object(external_lodash_["find"])(getFormatTypes(state), function (_ref2) {
+    var className = _ref2.className;
+
+    if (className === null) {
+      return false;
+    }
+
+    return " ".concat(elementClassName, " ").indexOf(" ".concat(className, " ")) >= 0;
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/store/actions.js
+/**
+ * External dependencies
+ */
+
+/**
+ * Returns an action object used in signalling that format types have been
+ * added.
+ *
+ * @param {Array|Object} formatTypes Format types received.
+ *
+ * @return {Object} Action object.
+ */
+
+function addFormatTypes(formatTypes) {
+  return {
+    type: 'ADD_FORMAT_TYPES',
+    formatTypes: Object(external_lodash_["castArray"])(formatTypes)
+  };
+}
+/**
+ * Returns an action object used to remove a registered format type.
+ *
+ * @param {string|Array} names Format name.
+ *
+ * @return {Object} Action object.
+ */
+
+function removeFormatTypes(names) {
+  return {
+    type: 'REMOVE_FORMAT_TYPES',
+    names: Object(external_lodash_["castArray"])(names)
+  };
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/store/index.js
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+
+
+
+Object(external_this_wp_data_["registerStore"])('core/rich-text', {
+  reducer: reducer,
+  selectors: selectors_namespaceObject,
+  actions: actions_namespaceObject
+});
+
+// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js + 2 modules
+var toConsumableArray = __webpack_require__(17);
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/is-format-equal.js
+/**
+ * Optimised equality check for format objects.
+ *
+ * @param {?Object} format1 Format to compare.
+ * @param {?Object} format2 Format to compare.
+ *
+ * @return {boolean} True if formats are equal, false if not.
+ */
+function isFormatEqual(format1, format2) {
+  // Both not defined.
+  if (format1 === format2) {
+    return true;
+  } // Either not defined.
+
+
+  if (!format1 || !format2) {
+    return false;
+  }
+
+  if (format1.type !== format2.type) {
+    return false;
+  }
+
+  var attributes1 = format1.attributes;
+  var attributes2 = format2.attributes; // Both not defined.
+
+  if (attributes1 === attributes2) {
+    return true;
+  } // Either not defined.
+
+
+  if (!attributes1 || !attributes2) {
+    return false;
+  }
+
+  var keys1 = Object.keys(attributes1);
+  var keys2 = Object.keys(attributes2);
+
+  if (keys1.length !== keys2.length) {
+    return false;
+  }
+
+  var length = keys1.length; // Optimise for speed.
+
+  for (var i = 0; i < length; i++) {
+    var name = keys1[i];
+
+    if (attributes1[name] !== attributes2[name]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/normalise-formats.js
+
+
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Normalises formats: ensures subsequent adjacent equal formats have the same
+ * reference.
+ *
+ * @param {Object} value Value to normalise formats of.
+ *
+ * @return {Object} New value with normalised formats.
+ */
+
+function normaliseFormats(value) {
+  var newFormats = value.formats.slice();
+  newFormats.forEach(function (formatsAtIndex, index) {
+    var formatsAtPreviousIndex = newFormats[index - 1];
+
+    if (formatsAtPreviousIndex) {
+      var newFormatsAtIndex = formatsAtIndex.slice();
+      newFormatsAtIndex.forEach(function (format, formatIndex) {
+        var previousFormat = formatsAtPreviousIndex[formatIndex];
+
+        if (isFormatEqual(format, previousFormat)) {
+          newFormatsAtIndex[formatIndex] = previousFormat;
+        }
+      });
+      newFormats[index] = newFormatsAtIndex;
+    }
+  });
+  return Object(objectSpread["a" /* default */])({}, value, {
+    formats: newFormats
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/apply-format.js
+
+
+
+/**
+ * External dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Apply a format object to a Rich Text value from the given `startIndex` to the
+ * given `endIndex`. Indices are retrieved from the selection if none are
+ * provided.
+ *
+ * @param {Object} value        Value to modify.
+ * @param {Object} format       Format to apply.
+ * @param {number} [startIndex] Start index.
+ * @param {number} [endIndex]   End index.
+ *
+ * @return {Object} A new value with the format applied.
+ */
+
+function applyFormat(value, format) {
+  var startIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : value.start;
+  var endIndex = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : value.end;
+  var formats = value.formats,
+      activeFormats = value.activeFormats;
+  var newFormats = formats.slice(); // The selection is collapsed.
+
+  if (startIndex === endIndex) {
+    var startFormat = Object(external_lodash_["find"])(newFormats[startIndex], {
+      type: format.type
+    }); // If the caret is at a format of the same type, expand start and end to
+    // the edges of the format. This is useful to apply new attributes.
+
+    if (startFormat) {
+      while (Object(external_lodash_["find"])(newFormats[startIndex], startFormat)) {
+        applyFormats(newFormats, startIndex, format);
+        startIndex--;
+      }
+
+      endIndex++;
+
+      while (Object(external_lodash_["find"])(newFormats[endIndex], startFormat)) {
+        applyFormats(newFormats, endIndex, format);
+        endIndex++;
+      }
+    }
+  } else {
+    for (var index = startIndex; index < endIndex; index++) {
+      applyFormats(newFormats, index, format);
+    }
+  }
+
+  return normaliseFormats(Object(objectSpread["a" /* default */])({}, value, {
+    formats: newFormats,
+    // Always revise active formats. This serves as a placeholder for new
+    // inputs with the format so new input appears with the format applied,
+    // and ensures a format of the same type uses the latest values.
+    activeFormats: [].concat(Object(toConsumableArray["a" /* default */])(Object(external_lodash_["reject"])(activeFormats, {
+      type: format.type
+    })), [format])
+  }));
+}
+
+function applyFormats(formats, index, format) {
+  if (formats[index]) {
+    var newFormatsAtIndex = formats[index].filter(function (_ref) {
+      var type = _ref.type;
+      return type !== format.type;
+    });
+    newFormatsAtIndex.push(format);
+    formats[index] = newFormatsAtIndex;
+  } else {
+    formats[index] = [format];
+  }
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/char-at.js
+/**
+ * Gets the character at the specified index, or returns `undefined` if no
+ * character was found.
+ *
+ * @param {Object} value Value to get the character from.
+ * @param {string} index Index to use.
+ *
+ * @return {string|undefined} A one character long string, or undefined.
+ */
+function charAt(_ref, index) {
+  var text = _ref.text;
+  return text[index];
+}
+
+// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/typeof.js
+var esm_typeof = __webpack_require__(32);
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/create-element.js
+/**
+ * Parse the given HTML into a body element.
+ *
+ * Note: The current implementation will return a shared reference, reset on
+ * each call to `createElement`. Therefore, you should not hold a reference to
+ * the value to operate upon asynchronously, as it may have unexpected results.
+ *
+ * @param {HTMLDocument} document The HTML document to use to parse.
+ * @param {string}       html     The HTML to parse.
+ *
+ * @return {HTMLBodyElement} Body element with parsed HTML.
+ */
+function createElement(_ref, html) {
+  var implementation = _ref.implementation;
+
+  // Because `createHTMLDocument` is an expensive operation, and with this
+  // function being internal to `rich-text` (full control in avoiding a risk
+  // of asynchronous operations on the shared reference), a single document
+  // is reused and reset for each call to the function.
+  if (!createElement.body) {
+    createElement.body = implementation.createHTMLDocument('').body;
+  }
+
+  createElement.body.innerHTML = html;
+  return createElement.body;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/special-characters.js
+/**
+ * Line separator character.
+ */
+var LINE_SEPARATOR = "\u2028";
+var OBJECT_REPLACEMENT_CHARACTER = "\uFFFC";
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/create.js
+
+
+
+
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+
+
+
+
+/**
+ * Browser dependencies
+ */
+
+var _window$Node = window.Node,
+    TEXT_NODE = _window$Node.TEXT_NODE,
+    ELEMENT_NODE = _window$Node.ELEMENT_NODE;
+
+function createEmptyValue() {
+  return {
+    formats: [],
+    replacements: [],
+    text: ''
+  };
+}
+
+function simpleFindKey(object, value) {
+  for (var key in object) {
+    if (object[key] === value) {
+      return key;
+    }
+  }
+}
+
+function toFormat(_ref) {
+  var type = _ref.type,
+      attributes = _ref.attributes;
+  var formatType;
+
+  if (attributes && attributes.class) {
+    formatType = Object(external_this_wp_data_["select"])('core/rich-text').getFormatTypeForClassName(attributes.class);
+
+    if (formatType) {
+      // Preserve any additional classes.
+      attributes.class = " ".concat(attributes.class, " ").replace(" ".concat(formatType.className, " "), ' ').trim();
+
+      if (!attributes.class) {
+        delete attributes.class;
+      }
+    }
+  }
+
+  if (!formatType) {
+    formatType = Object(external_this_wp_data_["select"])('core/rich-text').getFormatTypeForBareElement(type);
+  }
+
+  if (!formatType) {
+    return attributes ? {
+      type: type,
+      attributes: attributes
+    } : {
+      type: type
+    };
+  }
+
+  if (formatType.__experimentalCreatePrepareEditableTree && !formatType.__experimentalCreateOnChangeEditableValue) {
+    return null;
+  }
+
+  if (!attributes) {
+    return {
+      type: formatType.name
+    };
+  }
+
+  var registeredAttributes = {};
+  var unregisteredAttributes = {};
+
+  for (var name in attributes) {
+    var key = simpleFindKey(formatType.attributes, name);
+
+    if (key) {
+      registeredAttributes[key] = attributes[name];
+    } else {
+      unregisteredAttributes[name] = attributes[name];
+    }
+  }
+
+  return {
+    type: formatType.name,
+    attributes: registeredAttributes,
+    unregisteredAttributes: unregisteredAttributes
+  };
+}
+/**
+ * Create a RichText value from an `Element` tree (DOM), an HTML string or a
+ * plain text string, with optionally a `Range` object to set the selection. If
+ * called without any input, an empty value will be created. If
+ * `multilineTag` is provided, any content of direct children whose type matches
+ * `multilineTag` will be separated by two newlines. The optional functions can
+ * be used to filter out content.
+ *
+ * A value will have the following shape, which you are strongly encouraged not
+ * to modify without the use of helper functions:
+ *
+ * ```js
+ * {
+ *   text: string,
+ *   formats: Array,
+ *   replacements: Array,
+ *   ?start: number,
+ *   ?end: number,
+ * }
+ * ```
+ *
+ * As you can see, text and formatting are separated. `text` holds the text,
+ * including any replacement characters for objects and lines. `formats`,
+ * `objects` and `lines` are all sparse arrays of the same length as `text`. It
+ * holds information about the formatting at the relevant text indices. Finally
+ * `start` and `end` state which text indices are selected. They are only
+ * provided if a `Range` was given.
+ *
+ * @param {Object}  [$1]                      Optional named arguments.
+ * @param {Element} [$1.element]              Element to create value from.
+ * @param {string}  [$1.text]                 Text to create value from.
+ * @param {string}  [$1.html]                 HTML to create value from.
+ * @param {Range}   [$1.range]                Range to create value from.
+ * @param {string}  [$1.multilineTag]         Multiline tag if the structure is
+ *                                            multiline.
+ * @param {Array}   [$1.multilineWrapperTags] Tags where lines can be found if
+ *                                            nesting is possible.
+ *
+ * @return {Object} A rich text value.
+ */
+
+
+function create() {
+  var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+      element = _ref2.element,
+      text = _ref2.text,
+      html = _ref2.html,
+      range = _ref2.range,
+      multilineTag = _ref2.multilineTag,
+      multilineWrapperTags = _ref2.multilineWrapperTags,
+      isEditableTree = _ref2.__unstableIsEditableTree;
+
+  if (typeof text === 'string' && text.length > 0) {
+    return {
+      formats: Array(text.length),
+      replacements: Array(text.length),
+      text: text
+    };
+  }
+
+  if (typeof html === 'string' && html.length > 0) {
+    element = createElement(document, html);
+  }
+
+  if (Object(esm_typeof["a" /* default */])(element) !== 'object') {
+    return createEmptyValue();
+  }
+
+  if (!multilineTag) {
+    return createFromElement({
+      element: element,
+      range: range,
+      isEditableTree: isEditableTree
+    });
+  }
+
+  return createFromMultilineElement({
+    element: element,
+    range: range,
+    multilineTag: multilineTag,
+    multilineWrapperTags: multilineWrapperTags,
+    isEditableTree: isEditableTree
+  });
+}
+/**
+ * Helper to accumulate the value's selection start and end from the current
+ * node and range.
+ *
+ * @param {Object} accumulator Object to accumulate into.
+ * @param {Node}   node        Node to create value with.
+ * @param {Range}  range       Range to create value with.
+ * @param {Object} value       Value that is being accumulated.
+ */
+
+function accumulateSelection(accumulator, node, range, value) {
+  if (!range) {
+    return;
+  }
+
+  var parentNode = node.parentNode;
+  var startContainer = range.startContainer,
+      startOffset = range.startOffset,
+      endContainer = range.endContainer,
+      endOffset = range.endOffset;
+  var currentLength = accumulator.text.length; // Selection can be extracted from value.
+
+  if (value.start !== undefined) {
+    accumulator.start = currentLength + value.start; // Range indicates that the current node has selection.
+  } else if (node === startContainer && node.nodeType === TEXT_NODE) {
+    accumulator.start = currentLength + startOffset; // Range indicates that the current node is selected.
+  } else if (parentNode === startContainer && node === startContainer.childNodes[startOffset]) {
+    accumulator.start = currentLength; // Range indicates that the selection is after the current node.
+  } else if (parentNode === startContainer && node === startContainer.childNodes[startOffset - 1]) {
+    accumulator.start = currentLength + value.text.length; // Fallback if no child inside handled the selection.
+  } else if (node === startContainer) {
+    accumulator.start = currentLength;
+  } // Selection can be extracted from value.
+
+
+  if (value.end !== undefined) {
+    accumulator.end = currentLength + value.end; // Range indicates that the current node has selection.
+  } else if (node === endContainer && node.nodeType === TEXT_NODE) {
+    accumulator.end = currentLength + endOffset; // Range indicates that the current node is selected.
+  } else if (parentNode === endContainer && node === endContainer.childNodes[endOffset - 1]) {
+    accumulator.end = currentLength + value.text.length; // Range indicates that the selection is before the current node.
+  } else if (parentNode === endContainer && node === endContainer.childNodes[endOffset]) {
+    accumulator.end = currentLength; // Fallback if no child inside handled the selection.
+  } else if (node === endContainer) {
+    accumulator.end = currentLength + endOffset;
+  }
+}
+/**
+ * Adjusts the start and end offsets from a range based on a text filter.
+ *
+ * @param {Node}     node   Node of which the text should be filtered.
+ * @param {Range}    range  The range to filter.
+ * @param {Function} filter Function to use to filter the text.
+ *
+ * @return {?Object} Object containing range properties.
+ */
+
+
+function filterRange(node, range, filter) {
+  if (!range) {
+    return;
+  }
+
+  var startContainer = range.startContainer,
+      endContainer = range.endContainer;
+  var startOffset = range.startOffset,
+      endOffset = range.endOffset;
+
+  if (node === startContainer) {
+    startOffset = filter(node.nodeValue.slice(0, startOffset)).length;
+  }
+
+  if (node === endContainer) {
+    endOffset = filter(node.nodeValue.slice(0, endOffset)).length;
+  }
+
+  return {
+    startContainer: startContainer,
+    startOffset: startOffset,
+    endContainer: endContainer,
+    endOffset: endOffset
+  };
+}
+
+function filterString(string) {
+  // Reduce any whitespace used for HTML formatting to one space
+  // character, because it will also be displayed as such by the browser.
+  return string.replace(/[\n\r\t]+/g, ' ');
+}
+/**
+ * Creates a Rich Text value from a DOM element and range.
+ *
+ * @param {Object}    $1                      Named argements.
+ * @param {?Element}  $1.element              Element to create value from.
+ * @param {?Range}    $1.range                Range to create value from.
+ * @param {?string}   $1.multilineTag         Multiline tag if the structure is
+ *                                            multiline.
+ * @param {?Array}    $1.multilineWrapperTags Tags where lines can be found if
+ *                                            nesting is possible.
+ *
+ * @return {Object} A rich text value.
+ */
+
+
+function createFromElement(_ref3) {
+  var element = _ref3.element,
+      range = _ref3.range,
+      multilineTag = _ref3.multilineTag,
+      multilineWrapperTags = _ref3.multilineWrapperTags,
+      _ref3$currentWrapperT = _ref3.currentWrapperTags,
+      currentWrapperTags = _ref3$currentWrapperT === void 0 ? [] : _ref3$currentWrapperT,
+      isEditableTree = _ref3.isEditableTree;
+  var accumulator = createEmptyValue();
+
+  if (!element) {
+    return accumulator;
+  }
+
+  if (!element.hasChildNodes()) {
+    accumulateSelection(accumulator, element, range, createEmptyValue());
+    return accumulator;
+  }
+
+  var length = element.childNodes.length; // Optimise for speed.
+
+  var _loop = function _loop(index) {
+    var node = element.childNodes[index];
+    var type = node.nodeName.toLowerCase();
+
+    if (node.nodeType === TEXT_NODE) {
+      var text = filterString(node.nodeValue);
+      range = filterRange(node, range, filterString);
+      accumulateSelection(accumulator, node, range, {
+        text: text
+      }); // Create a sparse array of the same length as `text`, in which
+      // formats can be added.
+
+      accumulator.formats.length += text.length;
+      accumulator.replacements.length += text.length;
+      accumulator.text += text;
+      return "continue";
+    }
+
+    if (node.nodeType !== ELEMENT_NODE) {
+      return "continue";
+    }
+
+    if (node.getAttribute('data-rich-text-padding') || isEditableTree && type === 'br' && !node.getAttribute('data-rich-text-line-break')) {
+      accumulateSelection(accumulator, node, range, createEmptyValue());
+      return "continue";
+    }
+
+    if (type === 'br') {
+      accumulateSelection(accumulator, node, range, createEmptyValue());
+      mergePair(accumulator, create({
+        text: '\n'
+      }));
+      return "continue";
+    }
+
+    var lastFormats = accumulator.formats[accumulator.formats.length - 1];
+    var lastFormat = lastFormats && lastFormats[lastFormats.length - 1];
+    var newFormat = toFormat({
+      type: type,
+      attributes: getAttributes({
+        element: node
+      })
+    });
+    var format = isFormatEqual(newFormat, lastFormat) ? lastFormat : newFormat;
+
+    if (multilineWrapperTags && multilineWrapperTags.indexOf(type) !== -1) {
+      var _value = createFromMultilineElement({
+        element: node,
+        range: range,
+        multilineTag: multilineTag,
+        multilineWrapperTags: multilineWrapperTags,
+        currentWrapperTags: [].concat(Object(toConsumableArray["a" /* default */])(currentWrapperTags), [format]),
+        isEditableTree: isEditableTree
+      });
+
+      accumulateSelection(accumulator, node, range, _value);
+      mergePair(accumulator, _value);
+      return "continue";
+    }
+
+    var value = createFromElement({
+      element: node,
+      range: range,
+      multilineTag: multilineTag,
+      multilineWrapperTags: multilineWrapperTags,
+      isEditableTree: isEditableTree
+    });
+    accumulateSelection(accumulator, node, range, value);
+
+    if (!format) {
+      mergePair(accumulator, value);
+    } else if (value.text.length === 0) {
+      if (format.attributes) {
+        mergePair(accumulator, {
+          formats: [,],
+          replacements: [format],
+          text: OBJECT_REPLACEMENT_CHARACTER
+        });
+      }
+    } else {
+      mergePair(accumulator, Object(objectSpread["a" /* default */])({}, value, {
+        formats: Array.from(value.formats, function (formats) {
+          return formats ? [format].concat(Object(toConsumableArray["a" /* default */])(formats)) : [format];
+        })
+      }));
+    }
+  };
+
+  for (var index = 0; index < length; index++) {
+    var _ret = _loop(index);
+
+    if (_ret === "continue") continue;
+  }
+
+  return accumulator;
+}
+/**
+ * Creates a rich text value from a DOM element and range that should be
+ * multiline.
+ *
+ * @param {Object}    $1                      Named argements.
+ * @param {?Element}  $1.element              Element to create value from.
+ * @param {?Range}    $1.range                Range to create value from.
+ * @param {?string}   $1.multilineTag         Multiline tag if the structure is
+ *                                            multiline.
+ * @param {?Array}    $1.multilineWrapperTags Tags where lines can be found if
+ *                                            nesting is possible.
+ * @param {boolean}   $1.currentWrapperTags   Whether to prepend a line
+ *                                            separator.
+ *
+ * @return {Object} A rich text value.
+ */
+
+
+function createFromMultilineElement(_ref4) {
+  var element = _ref4.element,
+      range = _ref4.range,
+      multilineTag = _ref4.multilineTag,
+      multilineWrapperTags = _ref4.multilineWrapperTags,
+      _ref4$currentWrapperT = _ref4.currentWrapperTags,
+      currentWrapperTags = _ref4$currentWrapperT === void 0 ? [] : _ref4$currentWrapperT,
+      isEditableTree = _ref4.isEditableTree;
+  var accumulator = createEmptyValue();
+
+  if (!element || !element.hasChildNodes()) {
+    return accumulator;
+  }
+
+  var length = element.children.length; // Optimise for speed.
+
+  for (var index = 0; index < length; index++) {
+    var node = element.children[index];
+
+    if (node.nodeName.toLowerCase() !== multilineTag) {
+      continue;
+    }
+
+    var value = createFromElement({
+      element: node,
+      range: range,
+      multilineTag: multilineTag,
+      multilineWrapperTags: multilineWrapperTags,
+      currentWrapperTags: currentWrapperTags,
+      isEditableTree: isEditableTree
+    }); // Multiline value text should be separated by a line separator.
+
+    if (index !== 0 || currentWrapperTags.length > 0) {
+      mergePair(accumulator, {
+        formats: [,],
+        replacements: currentWrapperTags.length > 0 ? [currentWrapperTags] : [,],
+        text: LINE_SEPARATOR
+      });
+    }
+
+    accumulateSelection(accumulator, node, range, value);
+    mergePair(accumulator, value);
+  }
+
+  return accumulator;
+}
+/**
+ * Gets the attributes of an element in object shape.
+ *
+ * @param {Object}    $1                 Named argements.
+ * @param {Element}   $1.element         Element to get attributes from.
+ *
+ * @return {?Object} Attribute object or `undefined` if the element has no
+ *                   attributes.
+ */
+
+
+function getAttributes(_ref5) {
+  var element = _ref5.element;
+
+  if (!element.hasAttributes()) {
+    return;
+  }
+
+  var length = element.attributes.length;
+  var accumulator; // Optimise for speed.
+
+  for (var i = 0; i < length; i++) {
+    var _element$attributes$i = element.attributes[i],
+        name = _element$attributes$i.name,
+        value = _element$attributes$i.value;
+
+    if (name.indexOf('data-rich-text-') === 0) {
+      continue;
+    }
+
+    accumulator = accumulator || {};
+    accumulator[name] = value;
+  }
+
+  return accumulator;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/concat.js
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Concats a pair of rich text values. Not that this mutates `a` and does NOT
+ * normalise formats!
+ *
+ * @param  {Object} a Value to mutate.
+ * @param  {Object} b Value to add read from.
+ *
+ * @return {Object} `a`, mutated.
+ */
+
+function mergePair(a, b) {
+  a.formats = a.formats.concat(b.formats);
+  a.replacements = a.replacements.concat(b.replacements);
+  a.text += b.text;
+  return a;
+}
+/**
+ * Combine all Rich Text values into one. This is similar to
+ * `String.prototype.concat`.
+ *
+ * @param {...Object} values Objects to combine.
+ *
+ * @return {Object} A new value combining all given records.
+ */
+
+function concat() {
+  for (var _len = arguments.length, values = new Array(_len), _key = 0; _key < _len; _key++) {
+    values[_key] = arguments[_key];
+  }
+
+  return normaliseFormats(values.reduce(mergePair, create()));
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-active-formats.js
+/**
+ * Gets the all format objects at the start of the selection.
+ *
+ * @param {Object} value Value to inspect.
+ *
+ * @return {?Object} Active format objects.
+ */
+function getActiveFormats(_ref) {
+  var formats = _ref.formats,
+      start = _ref.start,
+      end = _ref.end,
+      activeFormats = _ref.activeFormats;
+
+  if (start === undefined) {
+    return [];
+  }
+
+  if (start === end) {
+    // For a collapsed caret, it is possible to override the active formats.
+    if (activeFormats) {
+      return activeFormats;
+    }
+
+    var formatsBefore = formats[start - 1] || [];
+    var formatsAfter = formats[start] || []; // By default, select the lowest amount of formats possible (which means
+    // the caret is positioned outside the format boundary). The user can
+    // then use arrow keys to define `activeFormats`.
+
+    if (formatsBefore.length < formatsAfter.length) {
+      return formatsBefore;
+    }
+
+    return formatsAfter;
+  }
+
+  return formats[start] || [];
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-active-format.js
+/**
+ * External dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Gets the format object by type at the start of the selection. This can be
+ * used to get e.g. the URL of a link format at the current selection, but also
+ * to check if a format is active at the selection. Returns undefined if there
+ * is no format at the selection.
+ *
+ * @param {Object} value      Value to inspect.
+ * @param {string} formatType Format type to look for.
+ *
+ * @return {Object|undefined} Active format object of the specified type, or undefined.
+ */
+
+function getActiveFormat(value, formatType) {
+  return Object(external_lodash_["find"])(getActiveFormats(value), {
+    type: formatType
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-active-object.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Gets the active object, if there is any.
+ *
+ * @param {Object} value Value to inspect.
+ *
+ * @return {?Object} Active object, or undefined.
+ */
+
+function getActiveObject(_ref) {
+  var start = _ref.start,
+      end = _ref.end,
+      replacements = _ref.replacements,
+      text = _ref.text;
+
+  if (start + 1 !== end || text[start] !== OBJECT_REPLACEMENT_CHARACTER) {
+    return;
+  }
+
+  return replacements[start];
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-selection-end.js
+/**
+ * Gets the end index of the current selection, or returns `undefined` if no
+ * selection exists. The selection ends right before the character at this
+ * index.
+ *
+ * @param {Object} value Value to get the selection from.
+ *
+ * @return {number|undefined} Index where the selection ends.
+ */
+function getSelectionEnd(_ref) {
+  var end = _ref.end;
+  return end;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-selection-start.js
+/**
+ * Gets the start index of the current selection, or returns `undefined` if no
+ * selection exists. The selection starts right before the character at this
+ * index.
+ *
+ * @param {Object} value Value to get the selection from.
+ *
+ * @return {number|undefined} Index where the selection starts.
+ */
+function getSelectionStart(_ref) {
+  var start = _ref.start;
+  return start;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-text-content.js
+/**
+ * Get the textual content of a Rich Text value. This is similar to
+ * `Element.textContent`.
+ *
+ * @param {Object} value Value to use.
+ *
+ * @return {string} The text content.
+ */
+function getTextContent(_ref) {
+  var text = _ref.text;
+  return text;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/is-collapsed.js
+/**
+ * Check if the selection of a Rich Text value is collapsed or not. Collapsed
+ * means that no characters are selected, but there is a caret present. If there
+ * is no selection, `undefined` will be returned. This is similar to
+ * `window.getSelection().isCollapsed()`.
+ *
+ * @param {Object} value The rich text value to check.
+ *
+ * @return {boolean|undefined} True if the selection is collapsed, false if not,
+ *                             undefined if there is no selection.
+ */
+function isCollapsed(_ref) {
+  var start = _ref.start,
+      end = _ref.end;
+
+  if (start === undefined || end === undefined) {
+    return;
+  }
+
+  return start === end;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/is-empty.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Check if a Rich Text value is Empty, meaning it contains no text or any
+ * objects (such as images).
+ *
+ * @param {Object} value Value to use.
+ *
+ * @return {boolean} True if the value is empty, false if not.
+ */
+
+function isEmpty(_ref) {
+  var text = _ref.text;
+  return text.length === 0;
+}
+/**
+ * Check if the current collapsed selection is on an empty line in case of a
+ * multiline value.
+ *
+ * @param  {Object} value Value te check.
+ *
+ * @return {boolean} True if the line is empty, false if not.
+ */
+
+function isEmptyLine(_ref2) {
+  var text = _ref2.text,
+      start = _ref2.start,
+      end = _ref2.end;
+
+  if (start !== end) {
+    return false;
+  }
+
+  if (text.length === 0) {
+    return true;
+  }
+
+  if (start === 0 && text.slice(0, 1) === LINE_SEPARATOR) {
+    return true;
+  }
+
+  if (start === text.length && text.slice(-1) === LINE_SEPARATOR) {
+    return true;
+  }
+
+  return text.slice(start - 1, end + 1) === "".concat(LINE_SEPARATOR).concat(LINE_SEPARATOR);
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/join.js
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Combine an array of Rich Text values into one, optionally separated by
+ * `separator`, which can be a Rich Text value, HTML string, or plain text
+ * string. This is similar to `Array.prototype.join`.
+ *
+ * @param {Array<Object>} values      An array of values to join.
+ * @param {string|Object} [separator] Separator string or value.
+ *
+ * @return {Object} A new combined value.
+ */
+
+function join(values) {
+  var separator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+
+  if (typeof separator === 'string') {
+    separator = create({
+      text: separator
+    });
+  }
+
+  return normaliseFormats(values.reduce(function (accumlator, _ref) {
+    var formats = _ref.formats,
+        replacements = _ref.replacements,
+        text = _ref.text;
+    return {
+      formats: accumlator.formats.concat(separator.formats, formats),
+      replacements: accumlator.replacements.concat(separator.replacements, replacements),
+      text: accumlator.text + separator.text + text
+    };
+  }));
+}
+
+// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/defineProperty.js
+var defineProperty = __webpack_require__(15);
+
+// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/extends.js
+var esm_extends = __webpack_require__(19);
+
+// EXTERNAL MODULE: external {"this":["wp","element"]}
+var external_this_wp_element_ = __webpack_require__(0);
+
+// EXTERNAL MODULE: ./node_modules/memize/index.js
+var memize = __webpack_require__(41);
+var memize_default = /*#__PURE__*/__webpack_require__.n(memize);
+
+// EXTERNAL MODULE: external {"this":["wp","hooks"]}
+var external_this_wp_hooks_ = __webpack_require__(26);
+
+// EXTERNAL MODULE: external {"this":["wp","compose"]}
+var external_this_wp_compose_ = __webpack_require__(6);
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/register-format-type.js
+
+
+
+
+
+
+/**
+ * External dependencies
+ */
+
+
+/**
+ * WordPress dependencies
+ */
+
+
+
+
+/**
+ * Shared reference to an empty array for cases where it is important to avoid
+ * returning a new array reference on every invocation, as in a connected or
+ * other pure component which performs `shouldComponentUpdate` check on props.
+ * This should be used as a last resort, since the normalized data should be
+ * maintained by the reducer result in state.
+ *
+ * @type {Array}
+ */
+
+var EMPTY_ARRAY = [];
+/**
+ * Registers a new format provided a unique name and an object defining its
+ * behavior.
+ *
+ * @param {string}   name                 Format name.
+ * @param {Object}   settings             Format settings.
+ * @param {string}   settings.tagName     The HTML tag this format will wrap the selection with.
+ * @param {string}   [settings.className] A class to match the format.
+ * @param {string}   settings.title       Name of the format.
+ * @param {Function} settings.edit        Should return a component for the user to interact with the new registered format.
+ *
+ * @return {WPFormat|undefined} The format, if it has been successfully registered;
+ *                              otherwise `undefined`.
+ */
+
+function registerFormatType(name, settings) {
+  settings = Object(objectSpread["a" /* default */])({
+    name: name
+  }, settings);
+
+  if (typeof settings.name !== 'string') {
+    window.console.error('Format names must be strings.');
+    return;
+  }
+
+  if (!/^[a-z][a-z0-9-]*\/[a-z][a-z0-9-]*$/.test(settings.name)) {
+    window.console.error('Format names must contain a namespace prefix, include only lowercase alphanumeric characters or dashes, and start with a letter. Example: my-plugin/my-custom-format');
+    return;
+  }
+
+  if (Object(external_this_wp_data_["select"])('core/rich-text').getFormatType(settings.name)) {
+    window.console.error('Format "' + settings.name + '" is already registered.');
+    return;
+  }
+
+  if (typeof settings.tagName !== 'string' || settings.tagName === '') {
+    window.console.error('Format tag names must be a string.');
+    return;
+  }
+
+  if ((typeof settings.className !== 'string' || settings.className === '') && settings.className !== null) {
+    window.console.error('Format class names must be a string, or null to handle bare elements.');
+    return;
+  }
+
+  if (!/^[_a-zA-Z]+[a-zA-Z0-9-]*$/.test(settings.className)) {
+    window.console.error('A class name must begin with a letter, followed by any number of hyphens, letters, or numbers.');
+    return;
+  }
+
+  if (settings.className === null) {
+    var formatTypeForBareElement = Object(external_this_wp_data_["select"])('core/rich-text').getFormatTypeForBareElement(settings.tagName);
+
+    if (formatTypeForBareElement) {
+      window.console.error("Format \"".concat(formatTypeForBareElement.name, "\" is already registered to handle bare tag name \"").concat(settings.tagName, "\"."));
+      return;
+    }
+  } else {
+    var formatTypeForClassName = Object(external_this_wp_data_["select"])('core/rich-text').getFormatTypeForClassName(settings.className);
+
+    if (formatTypeForClassName) {
+      window.console.error("Format \"".concat(formatTypeForClassName.name, "\" is already registered to handle class name \"").concat(settings.className, "\"."));
+      return;
+    }
+  }
+
+  if (!('title' in settings) || settings.title === '') {
+    window.console.error('The format "' + settings.name + '" must have a title.');
+    return;
+  }
+
+  if ('keywords' in settings && settings.keywords.length > 3) {
+    window.console.error('The format "' + settings.name + '" can have a maximum of 3 keywords.');
+    return;
+  }
+
+  if (typeof settings.title !== 'string') {
+    window.console.error('Format titles must be strings.');
+    return;
+  }
+
+  Object(external_this_wp_data_["dispatch"])('core/rich-text').addFormatTypes(settings);
+  var getFunctionStackMemoized = memize_default()(function () {
+    var previousStack = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : EMPTY_ARRAY;
+    var newFunction = arguments.length > 1 ? arguments[1] : undefined;
+    return [].concat(Object(toConsumableArray["a" /* default */])(previousStack), [newFunction]);
+  });
+
+  if (settings.__experimentalCreatePrepareEditableTree) {
+    Object(external_this_wp_hooks_["addFilter"])('experimentalRichText', name, function (OriginalComponent) {
+      var Component = OriginalComponent;
+
+      if (settings.__experimentalCreatePrepareEditableTree || settings.__experimentalCreateFormatToValue || settings.__experimentalCreateValueToFormat) {
+        Component = function Component(props) {
+          var additionalProps = {};
+
+          if (settings.__experimentalCreatePrepareEditableTree) {
+            additionalProps.prepareEditableTree = getFunctionStackMemoized(props.prepareEditableTree, settings.__experimentalCreatePrepareEditableTree(props["format_".concat(name)], {
+              richTextIdentifier: props.identifier,
+              blockClientId: props.clientId
+            }));
+          }
+
+          if (settings.__experimentalCreateOnChangeEditableValue) {
+            var dispatchProps = Object.keys(props).reduce(function (accumulator, propKey) {
+              var propValue = props[propKey];
+              var keyPrefix = "format_".concat(name, "_dispatch_");
+
+              if (propKey.startsWith(keyPrefix)) {
+                var realKey = propKey.replace(keyPrefix, '');
+                accumulator[realKey] = propValue;
+              }
+
+              return accumulator;
+            }, {});
+            additionalProps.onChangeEditableValue = getFunctionStackMemoized(props.onChangeEditableValue, settings.__experimentalCreateOnChangeEditableValue(Object(objectSpread["a" /* default */])({}, props["format_".concat(name)], dispatchProps), {
+              richTextIdentifier: props.identifier,
+              blockClientId: props.clientId
+            }));
+          }
+
+          return Object(external_this_wp_element_["createElement"])(OriginalComponent, Object(esm_extends["a" /* default */])({}, props, additionalProps));
+        };
+      }
+
+      var hocs = [];
+
+      if (settings.__experimentalGetPropsForEditableTreePreparation) {
+        hocs.push(Object(external_this_wp_data_["withSelect"])(function (sel, _ref) {
+          var clientId = _ref.clientId,
+              identifier = _ref.identifier;
+          return Object(defineProperty["a" /* default */])({}, "format_".concat(name), settings.__experimentalGetPropsForEditableTreePreparation(sel, {
+            richTextIdentifier: identifier,
+            blockClientId: clientId
+          }));
+        }));
+      }
+
+      if (settings.__experimentalGetPropsForEditableTreeChangeHandler) {
+        hocs.push(Object(external_this_wp_data_["withDispatch"])(function (disp, _ref3) {
+          var clientId = _ref3.clientId,
+              identifier = _ref3.identifier;
+
+          var dispatchProps = settings.__experimentalGetPropsForEditableTreeChangeHandler(disp, {
+            richTextIdentifier: identifier,
+            blockClientId: clientId
+          });
+
+          return Object(external_lodash_["mapKeys"])(dispatchProps, function (value, key) {
+            return "format_".concat(name, "_dispatch_").concat(key);
+          });
+        }));
+      }
+
+      return Object(external_this_wp_compose_["compose"])(hocs)(Component);
+    });
+  }
+
+  return settings;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/remove-format.js
+
+
+/**
+ * External dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Remove any format object from a Rich Text value by type from the given
+ * `startIndex` to the given `endIndex`. Indices are retrieved from the
+ * selection if none are provided.
+ *
+ * @param {Object} value        Value to modify.
+ * @param {string} formatType   Format type to remove.
+ * @param {number} [startIndex] Start index.
+ * @param {number} [endIndex]   End index.
+ *
+ * @return {Object} A new value with the format applied.
+ */
+
+function removeFormat(value, formatType) {
+  var startIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : value.start;
+  var endIndex = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : value.end;
+  var formats = value.formats,
+      activeFormats = value.activeFormats;
+  var newFormats = formats.slice(); // If the selection is collapsed, expand start and end to the edges of the
+  // format.
+
+  if (startIndex === endIndex) {
+    var format = Object(external_lodash_["find"])(newFormats[startIndex], {
+      type: formatType
+    });
+
+    if (format) {
+      while (Object(external_lodash_["find"])(newFormats[startIndex], format)) {
+        filterFormats(newFormats, startIndex, formatType);
+        startIndex--;
+      }
+
+      endIndex++;
+
+      while (Object(external_lodash_["find"])(newFormats[endIndex], format)) {
+        filterFormats(newFormats, endIndex, formatType);
+        endIndex++;
+      }
+    }
+  } else {
+    for (var i = startIndex; i < endIndex; i++) {
+      if (newFormats[i]) {
+        filterFormats(newFormats, i, formatType);
+      }
+    }
+  }
+
+  return normaliseFormats(Object(objectSpread["a" /* default */])({}, value, {
+    formats: newFormats,
+    activeFormats: Object(external_lodash_["reject"])(activeFormats, {
+      type: formatType
+    })
+  }));
+}
+
+function filterFormats(formats, index, formatType) {
+  var newFormats = formats[index].filter(function (_ref) {
+    var type = _ref.type;
+    return type !== formatType;
+  });
+
+  if (newFormats.length) {
+    formats[index] = newFormats;
+  } else {
+    delete formats[index];
+  }
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/insert.js
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Insert a Rich Text value, an HTML string, or a plain text string, into a
+ * Rich Text value at the given `startIndex`. Any content between `startIndex`
+ * and `endIndex` will be removed. Indices are retrieved from the selection if
+ * none are provided.
+ *
+ * @param {Object}        value         Value to modify.
+ * @param {Object|string} valueToInsert Value to insert.
+ * @param {number}        [startIndex]  Start index.
+ * @param {number}        [endIndex]    End index.
+ *
+ * @return {Object} A new value with the value inserted.
+ */
+
+function insert(value, valueToInsert) {
+  var startIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : value.start;
+  var endIndex = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : value.end;
+  var formats = value.formats,
+      replacements = value.replacements,
+      text = value.text;
+
+  if (typeof valueToInsert === 'string') {
+    valueToInsert = create({
+      text: valueToInsert
+    });
+  }
+
+  var index = startIndex + valueToInsert.text.length;
+  return normaliseFormats({
+    formats: formats.slice(0, startIndex).concat(valueToInsert.formats, formats.slice(endIndex)),
+    replacements: replacements.slice(0, startIndex).concat(valueToInsert.replacements, replacements.slice(endIndex)),
+    text: text.slice(0, startIndex) + valueToInsert.text + text.slice(endIndex),
+    start: index,
+    end: index
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/remove.js
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Remove content from a Rich Text value between the given `startIndex` and
+ * `endIndex`. Indices are retrieved from the selection if none are provided.
+ *
+ * @param {Object} value        Value to modify.
+ * @param {number} [startIndex] Start index.
+ * @param {number} [endIndex]   End index.
+ *
+ * @return {Object} A new value with the content removed.
+ */
+
+function remove_remove(value, startIndex, endIndex) {
+  return insert(value, create(), startIndex, endIndex);
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/replace.js
+
+
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Search a Rich Text value and replace the match(es) with `replacement`. This
+ * is similar to `String.prototype.replace`.
+ *
+ * @param {Object}         value        The value to modify.
+ * @param {RegExp|string}  pattern      A RegExp object or literal. Can also be
+ *                                      a string. It is treated as a verbatim
+ *                                      string and is not interpreted as a
+ *                                      regular expression. Only the first
+ *                                      occurrence will be replaced.
+ * @param {Function|string} replacement The match or matches are replaced with
+ *                                      the specified or the value returned by
+ *                                      the specified function.
+ *
+ * @return {Object} A new value with replacements applied.
+ */
+
+function replace(_ref, pattern, replacement) {
+  var formats = _ref.formats,
+      replacements = _ref.replacements,
+      text = _ref.text,
+      start = _ref.start,
+      end = _ref.end;
+  text = text.replace(pattern, function (match) {
+    for (var _len = arguments.length, rest = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+      rest[_key - 1] = arguments[_key];
+    }
+
+    var offset = rest[rest.length - 2];
+    var newText = replacement;
+    var newFormats;
+    var newReplacements;
+
+    if (typeof newText === 'function') {
+      newText = replacement.apply(void 0, [match].concat(rest));
+    }
+
+    if (Object(esm_typeof["a" /* default */])(newText) === 'object') {
+      newFormats = newText.formats;
+      newReplacements = newText.replacements;
+      newText = newText.text;
+    } else {
+      newFormats = Array(newText.length);
+      newReplacements = Array(newText.length);
+
+      if (formats[offset]) {
+        newFormats = newFormats.fill(formats[offset]);
+      }
+    }
+
+    formats = formats.slice(0, offset).concat(newFormats, formats.slice(offset + match.length));
+    replacements = replacements.slice(0, offset).concat(newReplacements, replacements.slice(offset + match.length));
+
+    if (start) {
+      start = end = offset + newText.length;
+    }
+
+    return newText;
+  });
+  return normaliseFormats({
+    formats: formats,
+    replacements: replacements,
+    text: text,
+    start: start,
+    end: end
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/insert-line-break.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Inserts a line break at the given or selected position.
+ *
+ * @param {Object} value Value to modify.
+ *
+ * @return {Object} The value with the line break inserted.
+ */
+
+function insertLineBreak(value) {
+  return insert(value, '\n');
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/insert-line-separator.js
+/**
+ * Internal dependencies
+ */
+
+
+
+/**
+ * Insert a line break character into a Rich Text value at the given
+ * `startIndex`. Any content between `startIndex` and `endIndex` will be
+ * removed. Indices are retrieved from the selection if none are provided.
+ *
+ * @param {Object} value        Value to modify.
+ * @param {number} [startIndex] Start index.
+ * @param {number} [endIndex]   End index.
+ *
+ * @return {Object} A new value with the value inserted.
+ */
+
+function insertLineSeparator(value) {
+  var startIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : value.start;
+  var endIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : value.end;
+  var beforeText = getTextContent(value).slice(0, startIndex);
+  var previousLineSeparatorIndex = beforeText.lastIndexOf(LINE_SEPARATOR);
+  var previousLineSeparatorFormats = value.replacements[previousLineSeparatorIndex];
+  var replacements = [,];
+
+  if (previousLineSeparatorFormats) {
+    replacements = [previousLineSeparatorFormats];
+  }
+
+  var valueToInsert = {
+    formats: [,],
+    replacements: replacements,
+    text: LINE_SEPARATOR
+  };
+  return insert(value, valueToInsert, startIndex, endIndex);
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/insert-object.js
+/**
+ * Internal dependencies
+ */
+
+var insert_object_OBJECT_REPLACEMENT_CHARACTER = "\uFFFC";
+/**
+ * Insert a format as an object into a Rich Text value at the given
+ * `startIndex`. Any content between `startIndex` and `endIndex` will be
+ * removed. Indices are retrieved from the selection if none are provided.
+ *
+ * @param {Object} value          Value to modify.
+ * @param {Object} formatToInsert Format to insert as object.
+ * @param {number} [startIndex]   Start index.
+ * @param {number} [endIndex]     End index.
+ *
+ * @return {Object} A new value with the object inserted.
+ */
+
+function insertObject(value, formatToInsert, startIndex, endIndex) {
+  var valueToInsert = {
+    formats: [,],
+    replacements: [formatToInsert],
+    text: insert_object_OBJECT_REPLACEMENT_CHARACTER
+  };
+  return insert(value, valueToInsert, startIndex, endIndex);
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/slice.js
+
+
+/**
+ * Slice a Rich Text value from `startIndex` to `endIndex`. Indices are
+ * retrieved from the selection if none are provided. This is similar to
+ * `String.prototype.slice`.
+ *
+ * @param {Object} value        Value to modify.
+ * @param {number} [startIndex] Start index.
+ * @param {number} [endIndex]   End index.
+ *
+ * @return {Object} A new extracted value.
+ */
+function slice(value) {
+  var startIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : value.start;
+  var endIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : value.end;
+  var formats = value.formats,
+      replacements = value.replacements,
+      text = value.text;
+
+  if (startIndex === undefined || endIndex === undefined) {
+    return Object(objectSpread["a" /* default */])({}, value);
+  }
+
+  return {
+    formats: formats.slice(startIndex, endIndex),
+    replacements: replacements.slice(startIndex, endIndex),
+    text: text.slice(startIndex, endIndex)
+  };
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/split.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Split a Rich Text value in two at the given `startIndex` and `endIndex`, or
+ * split at the given separator. This is similar to `String.prototype.split`.
+ * Indices are retrieved from the selection if none are provided.
+ *
+ * @param {Object}        value    Value to modify.
+ * @param {number|string} [string] Start index, or string at which to split.
+ * @param {number}        [endStr] End index.
+ *
+ * @return {Array} An array of new values.
+ */
+
+function split(_ref, string) {
+  var formats = _ref.formats,
+      replacements = _ref.replacements,
+      text = _ref.text,
+      start = _ref.start,
+      end = _ref.end;
+
+  if (typeof string !== 'string') {
+    return splitAtSelection.apply(void 0, arguments);
+  }
+
+  var nextStart = 0;
+  return text.split(string).map(function (substring) {
+    var startIndex = nextStart;
+    var value = {
+      formats: formats.slice(startIndex, startIndex + substring.length),
+      replacements: replacements.slice(startIndex, startIndex + substring.length),
+      text: substring
+    };
+    nextStart += string.length + substring.length;
+
+    if (start !== undefined && end !== undefined) {
+      if (start >= startIndex && start < nextStart) {
+        value.start = start - startIndex;
+      } else if (start < startIndex && end > startIndex) {
+        value.start = 0;
+      }
+
+      if (end >= startIndex && end < nextStart) {
+        value.end = end - startIndex;
+      } else if (start < nextStart && end > nextStart) {
+        value.end = substring.length;
+      }
+    }
+
+    return value;
+  });
+}
+
+function splitAtSelection(_ref2) {
+  var formats = _ref2.formats,
+      replacements = _ref2.replacements,
+      text = _ref2.text,
+      start = _ref2.start,
+      end = _ref2.end;
+  var startIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : start;
+  var endIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : end;
+  var before = {
+    formats: formats.slice(0, startIndex),
+    replacements: replacements.slice(0, startIndex),
+    text: text.slice(0, startIndex)
+  };
+  var after = {
+    formats: formats.slice(endIndex),
+    replacements: replacements.slice(endIndex),
+    text: text.slice(endIndex),
+    start: 0,
+    end: 0
+  };
+  return [// Ensure newlines are trimmed.
+  replace(before, /\u2028+$/, ''), replace(after, /^\u2028+/, '')];
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-format-type.js
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Returns a registered format type.
+ *
+ * @param {string} name Format name.
+ *
+ * @return {?Object} Format type.
+ */
+
+function get_format_type_getFormatType(name) {
+  return Object(external_this_wp_data_["select"])('core/rich-text').getFormatType(name);
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/to-tree.js
+
+
+
+/**
+ * Internal dependencies
+ */
+
+
+
+/**
+ * Converts a format object to information that can be used to create an element
+ * from (type, attributes and object).
+ *
+ * @param  {Object}  $1                        Named parameters.
+ * @param  {string}  $1.type                   The format type.
+ * @param  {Object}  $1.attributes             The format attributes.
+ * @param  {Object}  $1.unregisteredAttributes The unregistered format
+ *                                             attributes.
+ * @param  {boolean} $1.object                 Wether or not it is an object
+ *                                             format.
+ * @param  {boolean} $1.boundaryClass          Wether or not to apply a boundary
+ *                                             class.
+ * @return {Object}                            Information to be used for
+ *                                             element creation.
+ */
+
+function fromFormat(_ref) {
+  var type = _ref.type,
+      attributes = _ref.attributes,
+      unregisteredAttributes = _ref.unregisteredAttributes,
+      object = _ref.object,
+      boundaryClass = _ref.boundaryClass;
+  var formatType = get_format_type_getFormatType(type);
+  var elementAttributes = {};
+
+  if (boundaryClass) {
+    elementAttributes['data-rich-text-format-boundary'] = 'true';
+  }
+
+  if (!formatType) {
+    if (attributes) {
+      elementAttributes = Object(objectSpread["a" /* default */])({}, attributes, elementAttributes);
+    }
+
+    return {
+      type: type,
+      attributes: elementAttributes,
+      object: object
+    };
+  }
+
+  elementAttributes = Object(objectSpread["a" /* default */])({}, unregisteredAttributes, elementAttributes);
+
+  for (var name in attributes) {
+    var key = formatType.attributes ? formatType.attributes[name] : false;
+
+    if (key) {
+      elementAttributes[key] = attributes[name];
+    } else {
+      elementAttributes[name] = attributes[name];
+    }
+  }
+
+  if (formatType.className) {
+    if (elementAttributes.class) {
+      elementAttributes.class = "".concat(formatType.className, " ").concat(elementAttributes.class);
+    } else {
+      elementAttributes.class = formatType.className;
+    }
+  }
+
+  return {
+    type: formatType.tagName,
+    object: formatType.object,
+    attributes: elementAttributes
+  };
+}
+
+var padding = {
+  type: 'br',
+  attributes: {
+    'data-rich-text-padding': 'true'
+  },
+  object: true
+};
+function toTree(_ref2) {
+  var value = _ref2.value,
+      multilineTag = _ref2.multilineTag,
+      createEmpty = _ref2.createEmpty,
+      append = _ref2.append,
+      getLastChild = _ref2.getLastChild,
+      getParent = _ref2.getParent,
+      isText = _ref2.isText,
+      getText = _ref2.getText,
+      remove = _ref2.remove,
+      appendText = _ref2.appendText,
+      onStartIndex = _ref2.onStartIndex,
+      onEndIndex = _ref2.onEndIndex,
+      isEditableTree = _ref2.isEditableTree;
+  var formats = value.formats,
+      replacements = value.replacements,
+      text = value.text,
+      start = value.start,
+      end = value.end;
+  var formatsLength = formats.length + 1;
+  var tree = createEmpty();
+  var multilineFormat = {
+    type: multilineTag
+  };
+  var activeFormats = getActiveFormats(value);
+  var deepestActiveFormat = activeFormats[activeFormats.length - 1];
+  var lastSeparatorFormats;
+  var lastCharacterFormats;
+  var lastCharacter; // If we're building a multiline tree, start off with a multiline element.
+
+  if (multilineTag) {
+    append(append(tree, {
+      type: multilineTag
+    }), '');
+    lastCharacterFormats = lastSeparatorFormats = [multilineFormat];
+  } else {
+    append(tree, '');
+  }
+
+  var _loop = function _loop(i) {
+    var character = text.charAt(i);
+    var shouldInsertPadding = isEditableTree && ( // Pad the line if the line is empty.
+    !lastCharacter || lastCharacter === LINE_SEPARATOR || // Pad the line if the previous character is a line break, otherwise
+    // the line break won't be visible.
+    lastCharacter === '\n');
+    var characterFormats = formats[i]; // Set multiline tags in queue for building the tree.
+
+    if (multilineTag) {
+      if (character === LINE_SEPARATOR) {
+        characterFormats = lastSeparatorFormats = (replacements[i] || []).reduce(function (accumulator, format) {
+          accumulator.push(format, multilineFormat);
+          return accumulator;
+        }, [multilineFormat]);
+      } else {
+        characterFormats = [].concat(Object(toConsumableArray["a" /* default */])(lastSeparatorFormats), Object(toConsumableArray["a" /* default */])(characterFormats || []));
+      }
+    }
+
+    var pointer = getLastChild(tree);
+
+    if (shouldInsertPadding && character === LINE_SEPARATOR) {
+      var node = pointer;
+
+      while (!isText(node)) {
+        node = getLastChild(node);
+      }
+
+      append(getParent(node), padding);
+      append(getParent(node), '');
+    } // Set selection for the start of line.
+
+
+    if (lastCharacter === LINE_SEPARATOR) {
+      var _node = pointer;
+
+      while (!isText(_node)) {
+        _node = getLastChild(_node);
+      }
+
+      if (onStartIndex && start === i) {
+        onStartIndex(tree, _node);
+      }
+
+      if (onEndIndex && end === i) {
+        onEndIndex(tree, _node);
+      }
+    }
+
+    if (characterFormats) {
+      characterFormats.forEach(function (format, formatIndex) {
+        if (pointer && lastCharacterFormats && format === lastCharacterFormats[formatIndex] && ( // Do not reuse the last element if the character is a
+        // line separator.
+        character !== LINE_SEPARATOR || characterFormats.length - 1 !== formatIndex)) {
+          pointer = getLastChild(pointer);
+          return;
+        }
+
+        var type = format.type,
+            attributes = format.attributes,
+            unregisteredAttributes = format.unregisteredAttributes;
+        var boundaryClass = isEditableTree && character !== LINE_SEPARATOR && format === deepestActiveFormat;
+        var parent = getParent(pointer);
+        var newNode = append(parent, fromFormat({
+          type: type,
+          attributes: attributes,
+          unregisteredAttributes: unregisteredAttributes,
+          boundaryClass: boundaryClass
+        }));
+
+        if (isText(pointer) && getText(pointer).length === 0) {
+          remove(pointer);
+        }
+
+        pointer = append(newNode, '');
+      });
+    } // No need for further processing if the character is a line separator.
+
+
+    if (character === LINE_SEPARATOR) {
+      lastCharacterFormats = characterFormats;
+      lastCharacter = character;
+      return "continue";
+    } // If there is selection at 0, handle it before characters are inserted.
+
+
+    if (i === 0) {
+      if (onStartIndex && start === 0) {
+        onStartIndex(tree, pointer);
+      }
+
+      if (onEndIndex && end === 0) {
+        onEndIndex(tree, pointer);
+      }
+    }
+
+    if (character === OBJECT_REPLACEMENT_CHARACTER) {
+      pointer = append(getParent(pointer), fromFormat(Object(objectSpread["a" /* default */])({}, replacements[i], {
+        object: true
+      }))); // Ensure pointer is text node.
+
+      pointer = append(getParent(pointer), '');
+    } else if (character === '\n') {
+      pointer = append(getParent(pointer), {
+        type: 'br',
+        attributes: isEditableTree ? {
+          'data-rich-text-line-break': 'true'
+        } : undefined,
+        object: true
+      }); // Ensure pointer is text node.
+
+      pointer = append(getParent(pointer), '');
+    } else if (!isText(pointer)) {
+      pointer = append(getParent(pointer), character);
+    } else {
+      appendText(pointer, character);
+    }
+
+    if (onStartIndex && start === i + 1) {
+      onStartIndex(tree, pointer);
+    }
+
+    if (onEndIndex && end === i + 1) {
+      onEndIndex(tree, pointer);
+    }
+
+    if (shouldInsertPadding && i === text.length) {
+      append(getParent(pointer), padding);
+    }
+
+    lastCharacterFormats = characterFormats;
+    lastCharacter = character;
+  };
+
+  for (var i = 0; i < formatsLength; i++) {
+    var _ret = _loop(i);
+
+    if (_ret === "continue") continue;
+  }
+
+  return tree;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/to-dom.js
+
+
+
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Browser dependencies
+ */
+
+var to_dom_TEXT_NODE = window.Node.TEXT_NODE;
+/**
+ * Creates a path as an array of indices from the given root node to the given
+ * node.
+ *
+ * @param {Node}        node     Node to find the path of.
+ * @param {HTMLElement} rootNode Root node to find the path from.
+ * @param {Array}       path     Initial path to build on.
+ *
+ * @return {Array} The path from the root node to the node.
+ */
+
+function createPathToNode(node, rootNode, path) {
+  var parentNode = node.parentNode;
+  var i = 0;
+
+  while (node = node.previousSibling) {
+    i++;
+  }
+
+  path = [i].concat(Object(toConsumableArray["a" /* default */])(path));
+
+  if (parentNode !== rootNode) {
+    path = createPathToNode(parentNode, rootNode, path);
+  }
+
+  return path;
+}
+/**
+ * Gets a node given a path (array of indices) from the given node.
+ *
+ * @param {HTMLElement} node Root node to find the wanted node in.
+ * @param {Array}       path Path (indices) to the wanted node.
+ *
+ * @return {Object} Object with the found node and the remaining offset (if any).
+ */
+
+
+function getNodeByPath(node, path) {
+  path = Object(toConsumableArray["a" /* default */])(path);
+
+  while (node && path.length > 1) {
+    node = node.childNodes[path.shift()];
+  }
+
+  return {
+    node: node,
+    offset: path[0]
+  };
+}
+/**
+ * Returns a new instance of a DOM tree upon which RichText operations can be
+ * applied.
+ *
+ * Note: The current implementation will return a shared reference, reset on
+ * each call to `createEmpty`. Therefore, you should not hold a reference to
+ * the value to operate upon asynchronously, as it may have unexpected results.
+ *
+ * @return {WPRichTextTree} RichText tree.
+ */
+
+
+var to_dom_createEmpty = function createEmpty() {
+  return createElement(document, '');
+};
+
+function to_dom_append(element, child) {
+  if (typeof child === 'string') {
+    child = element.ownerDocument.createTextNode(child);
+  }
+
+  var _child = child,
+      type = _child.type,
+      attributes = _child.attributes;
+
+  if (type) {
+    child = element.ownerDocument.createElement(type);
+
+    for (var key in attributes) {
+      child.setAttribute(key, attributes[key]);
+    }
+  }
+
+  return element.appendChild(child);
+}
+
+function to_dom_appendText(node, text) {
+  node.appendData(text);
+}
+
+function to_dom_getLastChild(_ref) {
+  var lastChild = _ref.lastChild;
+  return lastChild;
+}
+
+function to_dom_getParent(_ref2) {
+  var parentNode = _ref2.parentNode;
+  return parentNode;
+}
+
+function to_dom_isText(_ref3) {
+  var nodeType = _ref3.nodeType;
+  return nodeType === to_dom_TEXT_NODE;
+}
+
+function to_dom_getText(_ref4) {
+  var nodeValue = _ref4.nodeValue;
+  return nodeValue;
+}
+
+function to_dom_remove(node) {
+  return node.parentNode.removeChild(node);
+}
+
+function prepareFormats() {
+  var prepareEditableTree = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+  var value = arguments.length > 1 ? arguments[1] : undefined;
+  return prepareEditableTree.reduce(function (accumlator, fn) {
+    return fn(accumlator, value.text);
+  }, value.formats);
+}
+
+function toDom(_ref5) {
+  var value = _ref5.value,
+      multilineTag = _ref5.multilineTag,
+      prepareEditableTree = _ref5.prepareEditableTree,
+      _ref5$isEditableTree = _ref5.isEditableTree,
+      isEditableTree = _ref5$isEditableTree === void 0 ? true : _ref5$isEditableTree;
+  var startPath = [];
+  var endPath = [];
+  var tree = toTree({
+    value: Object(objectSpread["a" /* default */])({}, value, {
+      formats: prepareFormats(prepareEditableTree, value)
+    }),
+    multilineTag: multilineTag,
+    createEmpty: to_dom_createEmpty,
+    append: to_dom_append,
+    getLastChild: to_dom_getLastChild,
+    getParent: to_dom_getParent,
+    isText: to_dom_isText,
+    getText: to_dom_getText,
+    remove: to_dom_remove,
+    appendText: to_dom_appendText,
+    onStartIndex: function onStartIndex(body, pointer) {
+      startPath = createPathToNode(pointer, body, [pointer.nodeValue.length]);
+    },
+    onEndIndex: function onEndIndex(body, pointer) {
+      endPath = createPathToNode(pointer, body, [pointer.nodeValue.length]);
+    },
+    isEditableTree: isEditableTree
+  });
+  return {
+    body: tree,
+    selection: {
+      startPath: startPath,
+      endPath: endPath
+    }
+  };
+}
+/**
+ * Create an `Element` tree from a Rich Text value and applies the difference to
+ * the `Element` tree contained by `current`. If a `multilineTag` is provided,
+ * text separated by two new lines will be wrapped in an `Element` of that type.
+ *
+ * @param {Object}      $1                        Named arguments.
+ * @param {Object}      $1.value                  Value to apply.
+ * @param {HTMLElement} $1.current                The live root node to apply the element tree to.
+ * @param {string}      [$1.multilineTag]         Multiline tag.
+ * @param {Array}       [$1.multilineWrapperTags] Tags where lines can be found if nesting is possible.
+ */
+
+function apply(_ref6) {
+  var value = _ref6.value,
+      current = _ref6.current,
+      multilineTag = _ref6.multilineTag,
+      prepareEditableTree = _ref6.prepareEditableTree,
+      __unstableDomOnly = _ref6.__unstableDomOnly;
+
+  // Construct a new element tree in memory.
+  var _toDom = toDom({
+    value: value,
+    multilineTag: multilineTag,
+    prepareEditableTree: prepareEditableTree
+  }),
+      body = _toDom.body,
+      selection = _toDom.selection;
+
+  applyValue(body, current);
+
+  if (value.start !== undefined && !__unstableDomOnly) {
+    applySelection(selection, current);
+  }
+}
+function applyValue(future, current) {
+  var i = 0;
+  var futureChild;
+
+  while (futureChild = future.firstChild) {
+    var currentChild = current.childNodes[i];
+
+    if (!currentChild) {
+      current.appendChild(futureChild);
+    } else if (!currentChild.isEqualNode(futureChild)) {
+      if (currentChild.nodeName !== futureChild.nodeName || currentChild.nodeType === to_dom_TEXT_NODE && currentChild.data !== futureChild.data) {
+        current.replaceChild(futureChild, currentChild);
+      } else {
+        var currentAttributes = currentChild.attributes;
+        var futureAttributes = futureChild.attributes;
+
+        if (currentAttributes) {
+          for (var ii = 0; ii < currentAttributes.length; ii++) {
+            var name = currentAttributes[ii].name;
+
+            if (!futureChild.getAttribute(name)) {
+              currentChild.removeAttribute(name);
+            }
+          }
+        }
+
+        if (futureAttributes) {
+          for (var _ii = 0; _ii < futureAttributes.length; _ii++) {
+            var _futureAttributes$_ii = futureAttributes[_ii],
+                name = _futureAttributes$_ii.name,
+                value = _futureAttributes$_ii.value;
+
+            if (currentChild.getAttribute(name) !== value) {
+              currentChild.setAttribute(name, value);
+            }
+          }
+        }
+
+        applyValue(futureChild, currentChild);
+        future.removeChild(futureChild);
+      }
+    } else {
+      future.removeChild(futureChild);
+    }
+
+    i++;
+  }
+
+  while (current.childNodes[i]) {
+    current.removeChild(current.childNodes[i]);
+  }
+}
+/**
+ * Returns true if two ranges are equal, or false otherwise. Ranges are
+ * considered equal if their start and end occur in the same container and
+ * offset.
+ *
+ * @param {Range} a First range object to test.
+ * @param {Range} b First range object to test.
+ *
+ * @return {boolean} Whether the two ranges are equal.
+ */
+
+function isRangeEqual(a, b) {
+  return a.startContainer === b.startContainer && a.startOffset === b.startOffset && a.endContainer === b.endContainer && a.endOffset === b.endOffset;
+}
+
+function applySelection(_ref7, current) {
+  var startPath = _ref7.startPath,
+      endPath = _ref7.endPath;
+
+  var _getNodeByPath = getNodeByPath(current, startPath),
+      startContainer = _getNodeByPath.node,
+      startOffset = _getNodeByPath.offset;
+
+  var _getNodeByPath2 = getNodeByPath(current, endPath),
+      endContainer = _getNodeByPath2.node,
+      endOffset = _getNodeByPath2.offset;
+
+  var selection = window.getSelection();
+  var ownerDocument = current.ownerDocument;
+  var range = ownerDocument.createRange();
+  range.setStart(startContainer, startOffset);
+  range.setEnd(endContainer, endOffset);
+
+  if (selection.rangeCount > 0) {
+    // If the to be added range and the live range are the same, there's no
+    // need to remove the live range and add the equivalent range.
+    if (isRangeEqual(range, selection.getRangeAt(0))) {
+      // Set back focus if focus is lost.
+      if (ownerDocument.activeElement !== current) {
+        current.focus();
+      }
+
+      return;
+    }
+
+    selection.removeAllRanges();
+  }
+
+  selection.addRange(range);
+}
+
+// EXTERNAL MODULE: external {"this":["wp","escapeHtml"]}
+var external_this_wp_escapeHtml_ = __webpack_require__(69);
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/to-html-string.js
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Create an HTML string from a Rich Text value. If a `multilineTag` is
+ * provided, text separated by a line separator will be wrapped in it.
+ *
+ * @param {Object} $1                        Named argements.
+ * @param {Object} $1.value                  Rich text value.
+ * @param {string} [$1.multilineTag]         Multiline tag.
+ *
+ * @return {string} HTML string.
+ */
+
+function toHTMLString(_ref) {
+  var value = _ref.value,
+      multilineTag = _ref.multilineTag;
+  var tree = toTree({
+    value: value,
+    multilineTag: multilineTag,
+    createEmpty: to_html_string_createEmpty,
+    append: to_html_string_append,
+    getLastChild: to_html_string_getLastChild,
+    getParent: to_html_string_getParent,
+    isText: to_html_string_isText,
+    getText: to_html_string_getText,
+    remove: to_html_string_remove,
+    appendText: to_html_string_appendText
+  });
+  return createChildrenHTML(tree.children);
+}
+
+function to_html_string_createEmpty() {
+  return {};
+}
+
+function to_html_string_getLastChild(_ref2) {
+  var children = _ref2.children;
+  return children && children[children.length - 1];
+}
+
+function to_html_string_append(parent, object) {
+  if (typeof object === 'string') {
+    object = {
+      text: object
+    };
+  }
+
+  object.parent = parent;
+  parent.children = parent.children || [];
+  parent.children.push(object);
+  return object;
+}
+
+function to_html_string_appendText(object, text) {
+  object.text += text;
+}
+
+function to_html_string_getParent(_ref3) {
+  var parent = _ref3.parent;
+  return parent;
+}
+
+function to_html_string_isText(_ref4) {
+  var text = _ref4.text;
+  return typeof text === 'string';
+}
+
+function to_html_string_getText(_ref5) {
+  var text = _ref5.text;
+  return text;
+}
+
+function to_html_string_remove(object) {
+  var index = object.parent.children.indexOf(object);
+
+  if (index !== -1) {
+    object.parent.children.splice(index, 1);
+  }
+
+  return object;
+}
+
+function createElementHTML(_ref6) {
+  var type = _ref6.type,
+      attributes = _ref6.attributes,
+      object = _ref6.object,
+      children = _ref6.children;
+  var attributeString = '';
+
+  for (var key in attributes) {
+    if (!Object(external_this_wp_escapeHtml_["isValidAttributeName"])(key)) {
+      continue;
+    }
+
+    attributeString += " ".concat(key, "=\"").concat(Object(external_this_wp_escapeHtml_["escapeAttribute"])(attributes[key]), "\"");
+  }
+
+  if (object) {
+    return "<".concat(type).concat(attributeString, ">");
+  }
+
+  return "<".concat(type).concat(attributeString, ">").concat(createChildrenHTML(children), "</").concat(type, ">");
+}
+
+function createChildrenHTML() {
+  var children = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+  return children.map(function (child) {
+    return child.text === undefined ? createElementHTML(child) : Object(external_this_wp_escapeHtml_["escapeHTML"])(child.text);
+  }).join('');
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/toggle-format.js
+/**
+ * Internal dependencies
+ */
+
+
+
+/**
+ * Toggles a format object to a Rich Text value at the current selection.
+ *
+ * @param {Object} value  Value to modify.
+ * @param {Object} format Format to apply or remove.
+ *
+ * @return {Object} A new value with the format applied or removed.
+ */
+
+function toggleFormat(value, format) {
+  if (getActiveFormat(value, format.type)) {
+    return removeFormat(value, format.type);
+  }
+
+  return applyFormat(value, format);
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/unregister-format-type.js
+/**
+ * WordPress dependencies
+ */
+
+
+/**
+ * Unregisters a format.
+ *
+ * @param {string} name Format name.
+ *
+ * @return {WPFormat|undefined} The previous format value, if it has been successfully
+ *                              unregistered; otherwise `undefined`.
+ */
+
+function unregisterFormatType(name) {
+  var oldFormat = Object(external_this_wp_data_["select"])('core/rich-text').getFormatType(name);
+
+  if (!oldFormat) {
+    window.console.error("Format ".concat(name, " is not registered."));
+    return;
+  }
+
+  if (oldFormat.__experimentalCreatePrepareEditableTree && oldFormat.__experimentalGetPropsForEditableTreePreparation) {
+    Object(external_this_wp_hooks_["removeFilter"])('experimentalRichText', name);
+  }
+
+  Object(external_this_wp_data_["dispatch"])('core/rich-text').removeFormatTypes(name);
+  return oldFormat;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-line-index.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Gets the currently selected line index, or the first line index if the
+ * selection spans over multiple items.
+ *
+ * @param {Object}  value      Value to get the line index from.
+ * @param {boolean} startIndex Optional index that should be contained by the
+ *                             line. Defaults to the selection start of the
+ *                             value.
+ *
+ * @return {?boolean} The line index. Undefined if not found.
+ */
+
+function getLineIndex(_ref) {
+  var start = _ref.start,
+      text = _ref.text;
+  var startIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : start;
+  var index = startIndex;
+
+  while (index--) {
+    if (text[index] === LINE_SEPARATOR) {
+      return index;
+    }
+  }
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/indent-list-items.js
+
+
+/**
+ * Internal dependencies
+ */
+
+
+/**
+ * Gets the line index of the first previous list item with higher indentation.
+ *
+ * @param {Object} value      Value to search.
+ * @param {number} lineIndex  Line index of the list item to compare with.
+ *
+ * @return {boolean} The line index.
+ */
+
+function getTargetLevelLineIndex(_ref, lineIndex) {
+  var text = _ref.text,
+      replacements = _ref.replacements;
+  var startFormats = replacements[lineIndex] || [];
+  var index = lineIndex;
+
+  while (index-- >= 0) {
+    if (text[index] !== LINE_SEPARATOR) {
+      continue;
+    }
+
+    var formatsAtIndex = replacements[index] || []; // Return the first line index that is one level higher. If the level is
+    // lower or equal, there is no result.
+
+    if (formatsAtIndex.length === startFormats.length + 1) {
+      return index;
+    } else if (formatsAtIndex.length <= startFormats.length) {
+      return;
+    }
+  }
+}
+/**
+ * Indents any selected list items if possible.
+ *
+ * @param {Object} value      Value to change.
+ * @param {Object} rootFormat Root format.
+ *
+ * @return {Object} The changed value.
+ */
+
+
+function indentListItems(value, rootFormat) {
+  var lineIndex = getLineIndex(value); // There is only one line, so the line cannot be indented.
+
+  if (lineIndex === undefined) {
+    return value;
+  }
+
+  var text = value.text,
+      replacements = value.replacements,
+      end = value.end;
+  var previousLineIndex = getLineIndex(value, lineIndex);
+  var formatsAtLineIndex = replacements[lineIndex] || [];
+  var formatsAtPreviousLineIndex = replacements[previousLineIndex] || []; // The the indentation of the current line is greater than previous line,
+  // then the line cannot be furter indented.
+
+  if (formatsAtLineIndex.length > formatsAtPreviousLineIndex.length) {
+    return value;
+  }
+
+  var newFormats = replacements.slice();
+  var targetLevelLineIndex = getTargetLevelLineIndex(value, lineIndex);
+
+  for (var index = lineIndex; index < end; index++) {
+    if (text[index] !== LINE_SEPARATOR) {
+      continue;
+    } // Get the previous list, and if there's a child list, take over the
+    // formats. If not, duplicate the last level and create a new level.
+
+
+    if (targetLevelLineIndex) {
+      var targetFormats = replacements[targetLevelLineIndex] || [];
+      newFormats[index] = targetFormats.concat((newFormats[index] || []).slice(targetFormats.length - 1));
+    } else {
+      var _targetFormats = replacements[previousLineIndex] || [];
+
+      var lastformat = _targetFormats[_targetFormats.length - 1] || rootFormat;
+      newFormats[index] = _targetFormats.concat([lastformat], (newFormats[index] || []).slice(_targetFormats.length));
+    }
+  }
+
+  return Object(objectSpread["a" /* default */])({}, value, {
+    replacements: newFormats
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-parent-line-index.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Gets the index of the first parent list. To get the parent list formats, we
+ * go through every list item until we find one with exactly one format type
+ * less.
+ *
+ * @param {Object} value     Value to search.
+ * @param {number} lineIndex Line index of a child list item.
+ *
+ * @return {Array} The parent list line index.
+ */
+
+function getParentLineIndex(_ref, lineIndex) {
+  var text = _ref.text,
+      replacements = _ref.replacements;
+  var startFormats = replacements[lineIndex] || [];
+  var index = lineIndex;
+
+  while (index-- >= 0) {
+    if (text[index] !== LINE_SEPARATOR) {
+      continue;
+    }
+
+    var formatsAtIndex = replacements[index] || [];
+
+    if (formatsAtIndex.length === startFormats.length - 1) {
+      return index;
+    }
+  }
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/get-last-child-index.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Gets the line index of the last child in the list.
+ *
+ * @param {Object} value     Value to search.
+ * @param {number} lineIndex Line index of a list item in the list.
+ *
+ * @return {Array} The index of the last child.
+ */
+
+function getLastChildIndex(_ref, lineIndex) {
+  var text = _ref.text,
+      replacements = _ref.replacements;
+  var lineFormats = replacements[lineIndex] || []; // Use the given line index in case there are no next children.
+
+  var childIndex = lineIndex; // `lineIndex` could be `undefined` if it's the first line.
+
+  for (var index = lineIndex || 0; index < text.length; index++) {
+    // We're only interested in line indices.
+    if (text[index] !== LINE_SEPARATOR) {
+      continue;
+    }
+
+    var formatsAtIndex = replacements[index] || []; // If the amout of formats is equal or more, store it, then return the
+    // last one if the amount of formats is less.
+
+    if (formatsAtIndex.length >= lineFormats.length) {
+      childIndex = index;
+    } else {
+      return childIndex;
+    }
+  } // If the end of the text is reached, return the last child index.
+
+
+  return childIndex;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/outdent-list-items.js
+
+
+/**
+ * Internal dependencies
+ */
+
+
+
+
+/**
+ * Outdents any selected list items if possible.
+ *
+ * @param {Object} value Value to change.
+ *
+ * @return {Object} The changed value.
+ */
+
+function outdentListItems(value) {
+  var text = value.text,
+      replacements = value.replacements,
+      start = value.start,
+      end = value.end;
+  var startingLineIndex = getLineIndex(value, start); // Return early if the starting line index cannot be further outdented.
+
+  if (replacements[startingLineIndex] === undefined) {
+    return value;
+  }
+
+  var newFormats = replacements.slice(0);
+  var parentFormats = replacements[getParentLineIndex(value, startingLineIndex)] || [];
+  var endingLineIndex = getLineIndex(value, end);
+  var lastChildIndex = getLastChildIndex(value, endingLineIndex); // Outdent all list items from the starting line index until the last child
+  // index of the ending list. All children of the ending list need to be
+  // outdented, otherwise they'll be orphaned.
+
+  for (var index = startingLineIndex; index <= lastChildIndex; index++) {
+    // Skip indices that are not line separators.
+    if (text[index] !== LINE_SEPARATOR) {
+      continue;
+    } // In the case of level 0, the formats at the index are undefined.
+
+
+    var currentFormats = newFormats[index] || []; // Omit the indentation level where the selection starts.
+
+    newFormats[index] = parentFormats.concat(currentFormats.slice(parentFormats.length + 1));
+
+    if (newFormats[index].length === 0) {
+      delete newFormats[index];
+    }
+  }
+
+  return Object(objectSpread["a" /* default */])({}, value, {
+    replacements: newFormats
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/change-list-type.js
+
+
+/**
+ * Internal dependencies
+ */
+
+
+
+/**
+ * Changes the list type of the selected indented list, if any. Looks at the
+ * currently selected list item and takes the parent list, then changes the list
+ * type of this list. When multiple lines are selected, the parent lists are
+ * takes and changed.
+ *
+ * @param {Object} value     Value to change.
+ * @param {Object} newFormat The new list format object. Choose between
+ *                           `{ type: 'ol' }` and `{ type: 'ul' }`.
+ *
+ * @return {Object} The changed value.
+ */
+
+function changeListType(value, newFormat) {
+  var text = value.text,
+      replacements = value.replacements,
+      start = value.start,
+      end = value.end;
+  var startingLineIndex = getLineIndex(value, start);
+  var startLineFormats = replacements[startingLineIndex] || [];
+  var endLineFormats = replacements[getLineIndex(value, end)] || [];
+  var startIndex = getParentLineIndex(value, startingLineIndex);
+  var newReplacements = replacements.slice();
+  var startCount = startLineFormats.length - 1;
+  var endCount = endLineFormats.length - 1;
+  var changed;
+
+  for (var index = startIndex + 1 || 0; index < text.length; index++) {
+    if (text[index] !== LINE_SEPARATOR) {
+      continue;
+    }
+
+    if ((newReplacements[index] || []).length <= startCount) {
+      break;
+    }
+
+    if (!newReplacements[index]) {
+      continue;
+    }
+
+    changed = true;
+    newReplacements[index] = newReplacements[index].map(function (format, i) {
+      return i < startCount || i > endCount ? format : newFormat;
+    });
+  }
+
+  if (!changed) {
+    return value;
+  }
+
+  return Object(objectSpread["a" /* default */])({}, value, {
+    replacements: newReplacements
+  });
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/update-formats.js
+/**
+ * Internal dependencies
+ */
+
+/**
+ * Efficiently updates all the formats from `start` (including) until `end`
+ * (excluding) with the active formats. Mutates `value`.
+ *
+ * @param  {Object} $1         Named paramentes.
+ * @param  {Object} $1.value   Value te update.
+ * @param  {number} $1.start   Index to update from.
+ * @param  {number} $1.end     Index to update until.
+ * @param  {Array}  $1.formats Replacement formats.
+ *
+ * @return {Object} Mutated value.
+ */
+
+function updateFormats(_ref) {
+  var value = _ref.value,
+      start = _ref.start,
+      end = _ref.end,
+      formats = _ref.formats;
+  var formatsBefore = value.formats[start - 1] || [];
+  var formatsAfter = value.formats[end] || []; // First, fix the references. If any format right before or after are
+  // equal, the replacement format should use the same reference.
+
+  value.activeFormats = formats.map(function (format, index) {
+    if (formatsBefore[index]) {
+      if (isFormatEqual(format, formatsBefore[index])) {
+        return formatsBefore[index];
+      }
+    } else if (formatsAfter[index]) {
+      if (isFormatEqual(format, formatsAfter[index])) {
+        return formatsAfter[index];
+      }
+    }
+
+    return format;
+  });
+
+  while (--end >= start) {
+    if (value.activeFormats.length > 0) {
+      value.formats[end] = value.activeFormats;
+    } else {
+      delete value.formats[end];
+    }
+  }
+
+  return value;
+}
+
+// CONCATENATED MODULE: ./node_modules/@wordpress/rich-text/build-module/index.js
+/* concated harmony reexport applyFormat */__webpack_require__.d(__webpack_exports__, "applyFormat", function() { return applyFormat; });
+/* concated harmony reexport charAt */__webpack_require__.d(__webpack_exports__, "charAt", function() { return charAt; });
+/* concated harmony reexport concat */__webpack_require__.d(__webpack_exports__, "concat", function() { return concat; });
+/* concated harmony reexport create */__webpack_require__.d(__webpack_exports__, "create", function() { return create; });
+/* concated harmony reexport getActiveFormat */__webpack_require__.d(__webpack_exports__, "getActiveFormat", function() { return getActiveFormat; });
+/* concated harmony reexport getActiveObject */__webpack_require__.d(__webpack_exports__, "getActiveObject", function() { return getActiveObject; });
+/* concated harmony reexport getSelectionEnd */__webpack_require__.d(__webpack_exports__, "getSelectionEnd", function() { return getSelectionEnd; });
+/* concated harmony reexport getSelectionStart */__webpack_require__.d(__webpack_exports__, "getSelectionStart", function() { return getSelectionStart; });
+/* concated harmony reexport getTextContent */__webpack_require__.d(__webpack_exports__, "getTextContent", function() { return getTextContent; });
+/* concated harmony reexport isCollapsed */__webpack_require__.d(__webpack_exports__, "isCollapsed", function() { return isCollapsed; });
+/* concated harmony reexport isEmpty */__webpack_require__.d(__webpack_exports__, "isEmpty", function() { return isEmpty; });
+/* concated harmony reexport isEmptyLine */__webpack_require__.d(__webpack_exports__, "isEmptyLine", function() { return isEmptyLine; });
+/* concated harmony reexport join */__webpack_require__.d(__webpack_exports__, "join", function() { return join; });
+/* concated harmony reexport registerFormatType */__webpack_require__.d(__webpack_exports__, "registerFormatType", function() { return registerFormatType; });
+/* concated harmony reexport removeFormat */__webpack_require__.d(__webpack_exports__, "removeFormat", function() { return removeFormat; });
+/* concated harmony reexport remove */__webpack_require__.d(__webpack_exports__, "remove", function() { return remove_remove; });
+/* concated harmony reexport replace */__webpack_require__.d(__webpack_exports__, "replace", function() { return replace; });
+/* concated harmony reexport insert */__webpack_require__.d(__webpack_exports__, "insert", function() { return insert; });
+/* concated harmony reexport insertLineBreak */__webpack_require__.d(__webpack_exports__, "insertLineBreak", function() { return insertLineBreak; });
+/* concated harmony reexport insertLineSeparator */__webpack_require__.d(__webpack_exports__, "insertLineSeparator", function() { return insertLineSeparator; });
+/* concated harmony reexport insertObject */__webpack_require__.d(__webpack_exports__, "insertObject", function() { return insertObject; });
+/* concated harmony reexport slice */__webpack_require__.d(__webpack_exports__, "slice", function() { return slice; });
+/* concated harmony reexport split */__webpack_require__.d(__webpack_exports__, "split", function() { return split; });
+/* concated harmony reexport apply */__webpack_require__.d(__webpack_exports__, "apply", function() { return apply; });
+/* concated harmony reexport unstableToDom */__webpack_require__.d(__webpack_exports__, "unstableToDom", function() { return toDom; });
+/* concated harmony reexport toHTMLString */__webpack_require__.d(__webpack_exports__, "toHTMLString", function() { return toHTMLString; });
+/* concated harmony reexport toggleFormat */__webpack_require__.d(__webpack_exports__, "toggleFormat", function() { return toggleFormat; });
+/* concated harmony reexport LINE_SEPARATOR */__webpack_require__.d(__webpack_exports__, "LINE_SEPARATOR", function() { return LINE_SEPARATOR; });
+/* concated harmony reexport unregisterFormatType */__webpack_require__.d(__webpack_exports__, "unregisterFormatType", function() { return unregisterFormatType; });
+/* concated harmony reexport indentListItems */__webpack_require__.d(__webpack_exports__, "indentListItems", function() { return indentListItems; });
+/* concated harmony reexport outdentListItems */__webpack_require__.d(__webpack_exports__, "outdentListItems", function() { return outdentListItems; });
+/* concated harmony reexport changeListType */__webpack_require__.d(__webpack_exports__, "changeListType", function() { return changeListType; });
+/* concated harmony reexport __unstableUpdateFormats */__webpack_require__.d(__webpack_exports__, "__unstableUpdateFormats", function() { return updateFormats; });
+/* concated harmony reexport __unstableGetActiveFormats */__webpack_require__.d(__webpack_exports__, "__unstableGetActiveFormats", function() { return getActiveFormats; });
+/**
+ * Internal dependencies
+ */
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/***/ }),
+
+/***/ 41:
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = function memize( fn, options ) {
+	var size = 0,
+		maxSize, head, tail;
+
+	if ( options && options.maxSize ) {
+		maxSize = options.maxSize;
+	}
+
+	function memoized( /* ...args */ ) {
+		var node = head,
+			len = arguments.length,
+			args, i;
+
+		searchCache: while ( node ) {
+			// Perform a shallow equality test to confirm that whether the node
+			// under test is a candidate for the arguments passed. Two arrays
+			// are shallowly equal if their length matches and each entry is
+			// strictly equal between the two sets. Avoid abstracting to a
+			// function which could incur an arguments leaking deoptimization.
+
+			// Check whether node arguments match arguments length
+			if ( node.args.length !== arguments.length ) {
+				node = node.next;
+				continue;
+			}
+
+			// Check whether node arguments match arguments values
+			for ( i = 0; i < len; i++ ) {
+				if ( node.args[ i ] !== arguments[ i ] ) {
+					node = node.next;
+					continue searchCache;
+				}
+			}
+
+			// At this point we can assume we've found a match
+
+			// Surface matched node to head if not already
+			if ( node !== head ) {
+				// As tail, shift to previous. Must only shift if not also
+				// head, since if both head and tail, there is no previous.
+				if ( node === tail ) {
+					tail = node.prev;
+				}
+
+				// Adjust siblings to point to each other. If node was tail,
+				// this also handles new tail's empty `next` assignment.
+				node.prev.next = node.next;
+				if ( node.next ) {
+					node.next.prev = node.prev;
+				}
+
+				node.next = head;
+				node.prev = null;
+				head.prev = node;
+				head = node;
+			}
+
+			// Return immediately
+			return node.val;
+		}
+
+		// No cached value found. Continue to insertion phase:
+
+		// Create a copy of arguments (avoid leaking deoptimization)
+		args = new Array( len );
+		for ( i = 0; i < len; i++ ) {
+			args[ i ] = arguments[ i ];
+		}
+
+		node = {
+			args: args,
+
+			// Generate the result from original function
+			val: fn.apply( null, args )
+		};
+
+		// Don't need to check whether node is already head, since it would
+		// have been returned above already if it was
+
+		// Shift existing head down list
+		if ( head ) {
+			head.prev = node;
+			node.next = head;
+		} else {
+			// If no head, follows that there's no tail (at initial or reset)
+			tail = node;
+		}
+
+		// Trim tail if we're reached max size and are pending cache insertion
+		if ( size === maxSize ) {
+			tail = tail.prev;
+			tail.next = null;
+		} else {
+			size++;
+		}
+
+		head = node;
+
+		return node.val;
+	}
+
+	memoized.clear = function() {
+		head = null;
+		tail = null;
+		size = 0;
+	};
+
+	if ( false ) {}
+
+	return memoized;
+};
+
+
+/***/ }),
+
+/***/ 5:
+/***/ (function(module, exports) {
+
+(function() { module.exports = this["wp"]["data"]; }());
+
+/***/ }),
+
+/***/ 6:
+/***/ (function(module, exports) {
+
+(function() { module.exports = this["wp"]["compose"]; }());
+
+/***/ }),
+
+/***/ 69:
+/***/ (function(module, exports) {
+
+(function() { module.exports = this["wp"]["escapeHtml"]; }());
+
+/***/ }),
+
+/***/ 7:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _objectSpread; });
+/* harmony import */ var _defineProperty__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(15);
+
+function _objectSpread(target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i] != null ? arguments[i] : {};
+    var ownKeys = Object.keys(source);
+
+    if (typeof Object.getOwnPropertySymbols === 'function') {
+      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
+        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
+      }));
+    }
+
+    ownKeys.forEach(function (key) {
+      Object(_defineProperty__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(target, key, source[key]);
+    });
+  }
+
+  return target;
+}
+
+/***/ })
+
+/******/ });
\ No newline at end of file