text: /**
   * Copyright (c) Tiny Technologies, Inc. All rights reserved.
   * Licensed under the LGPL or a commercial license.
   * For LGPL see License.txt in the project root for license information.
   * For commercial licenses see https://www.tiny.cloud/
   *
   * Version: 5.6.2 (2020-12-08)
   */
  (function () {
      'use strict';
  
      var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
  
      var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');
  
      var setDir = function (editor, dir) {
        var dom = editor.dom;
        var curDir;
        var blocks = editor.selection.getSelectedBlocks();
        if (blocks.length) {
          curDir = dom.getAttrib(blocks[0], 'dir');
          global$1.each(blocks, function (block) {
            if (!dom.getParent(block.parentNode, '*[dir="' + dir + '"]', dom.getRoot())) {
              dom.setAttrib(block, 'dir', curDir !== dir ? dir : null);
            }
          });
          editor.nodeChanged();
        }
      };
  
      var register = function (editor) {
        editor.addCommand('mceDirectionLTR', function () {
          setDir(editor, 'ltr');
        });
        editor.addCommand('mceDirectionRTL', function () {
          setDir(editor, 'rtl');
        });
      };
  
      var noop = function () {
      };
      var compose1 = function (fbc, fab) {
        return function (a) {
          return fbc(fab(a));
        };
      };
      var constant = function (value) {
        return function () {
          return value;
        };
      };
      var never = constant(false);
      var always = constant(true);
  
      var none = function () {
        return NONE;
      };
      var NONE = function () {
        var eq = function (o) {
          return o.isNone();
        };
        var call = function (thunk) {
          return thunk();
        };
        var id = function (n) {
          return n;
        };
        var me = {
          fold: function (n, _s) {
            return n();
          },
          is: never,
          isSome: never,
          isNone: always,
          getOr: id,
          getOrThunk: call,
          getOrDie: function (msg) {
            throw new Error(msg || 'error: getOrDie called on none.');
          },
          getOrNull: constant(null),
          getOrUndefined: constant(undefined),
          or: id,
          orThunk: call,
          map: none,
          each: noop,
          bind: none,
          exists: never,
          forall: always,
          filter: none,
          equals: eq,
          equals_: eq,
          toArray: function () {
            return [];
          },
          toString: constant('none()')
        };
        return me;
      }();
      var some = function (a) {
        var constant_a = constant(a);
        var self = function () {
          return me;
        };
        var bind = function (f) {
          return f(a);
        };
        var me = {
          fold: function (n, s) {
            return s(a);
          },
          is: function (v) {
            return a === v;
          },
          isSome: always,
          isNone: never,
          getOr: constant_a,
          getOrThunk: constant_a,
          getOrDie: constant_a,
          getOrNull: constant_a,
          getOrUndefined: constant_a,
          or: self,
          orThunk: self,
          map: function (f) {
            return some(f(a));
          },
          each: function (f) {
            f(a);
          },
          bind: bind,
          exists: bind,
          forall: bind,
          filter: function (f) {
            return f(a) ? me : NONE;
          },
          toArray: function () {
            return [a];
          },
          toString: function () {
            return 'some(' + a + ')';
          },
          equals: function (o) {
            return o.is(a);
          },
          equals_: function (o, elementEq) {
            return o.fold(never, function (b) {
              return elementEq(a, b);
            });
          }
        };
        return me;
      };
      var from = function (value) {
        return value === null || value === undefined ? NONE : some(value);
      };
      var Optional = {
        some: some,
        none: none,
        from: from
      };
  
      var isSimpleType = function (type) {
        return function (value) {
          return typeof value === type;
        };
      };
      var isFunction = isSimpleType('function');
  
      var isSupported = function (dom) {
        return dom.style !== undefined && isFunction(dom.style.getPropertyValue);
      };
  
      var fromHtml = function (html, scope) {
        var doc = scope || document;
        var div = doc.createElement('div');
        div.innerHTML = html;
        if (!div.hasChildNodes() || div.childNodes.length > 1) {
          console.error('HTML does not have a single root node', html);
          throw new Error('HTML must have a single root node');
        }
        return fromDom(div.childNodes[0]);
      };
      var fromTag = function (tag, scope) {
        var doc = scope || document;
        var node = doc.createElement(tag);
        return fromDom(node);
      };
      var fromText = function (text, scope) {
        var doc = scope || document;
        var node = doc.createTextNode(text);
        return fromDom(node);
      };
      var fromDom = function (node) {
        if (node === null || node === undefined) {
          throw new Error('Node cannot be null or undefined');
        }
        return { dom: node };
      };
      var fromPoint = function (docElm, x, y) {
        return Optional.from(docElm.dom.elementFromPoint(x, y)).map(fromDom);
      };
      var SugarElement = {
        fromHtml: fromHtml,
        fromTag: fromTag,
        fromText: fromText,
        fromDom: fromDom,
        fromPoint: fromPoint
      };
  
      var Global = typeof window !== 'undefined' ? window : Function('return this;')();
  
      var DOCUMENT = 9;
      var DOCUMENT_FRAGMENT = 11;
      var TEXT = 3;
  
      var type = function (element) {
        return element.dom.nodeType;
      };
      var isType = function (t) {
        return function (element) {
          return type(element) === t;
        };
      };
      var isText = isType(TEXT);
      var isDocument = isType(DOCUMENT);
      var isDocumentFragment = isType(DOCUMENT_FRAGMENT);
  
      var owner = function (element) {
        return SugarElement.fromDom(element.dom.ownerDocument);
      };
      var documentOrOwner = function (dos) {
        return isDocument(dos) ? dos : owner(dos);
      };
  
      var isShadowRoot = function (dos) {
        return isDocumentFragment(dos);
      };
      var supported = isFunction(Element.prototype.attachShadow) && isFunction(Node.prototype.getRootNode);
      var getRootNode = supported ? function (e) {
        return SugarElement.fromDom(e.dom.getRootNode());
      } : documentOrOwner;
      var getShadowRoot = function (e) {
        var r = getRootNode(e);
        return isShadowRoot(r) ? Optional.some(r) : Optional.none();
      };
      var getShadowHost = function (e) {
        return SugarElement.fromDom(e.dom.host);
      };
  
      var inBody = function (element) {
        var dom = isText(element) ? element.dom.parentNode : element.dom;
        if (dom === undefined || dom === null || dom.ownerDocument === null) {
          return false;
        }
        var doc = dom.ownerDocument;
        return getShadowRoot(SugarElement.fromDom(dom)).fold(function () {
          return doc.body.contains(dom);
        }, compose1(inBody, getShadowHost));
      };
  
      var get = function (element, property) {
        var dom = element.dom;
        var styles = window.getComputedStyle(dom);
        var r = styles.getPropertyValue(property);
        return r === '' && !inBody(element) ? getUnsafeProperty(dom, property) : r;
      };
      var getUnsafeProperty = function (dom, property) {
        return isSupported(dom) ? dom.style.getPropertyValue(property) : '';
      };
  
      var getDirection = function (element) {
        return get(element, 'direction') === 'rtl' ? 'rtl' : 'ltr';
      };
  
      var getNodeChangeHandler = function (editor, dir) {
        return function (api) {
          var nodeChangeHandler = function (e) {
            var element = SugarElement.fromDom(e.element);
            api.setActive(getDirection(element) === dir);
          };
          editor.on('NodeChange', nodeChangeHandler);
          return function () {
            return editor.off('NodeChange', nodeChangeHandler);
          };
        };
      };
      var register$1 = function (editor) {
        editor.ui.registry.addToggleButton('ltr', {
          tooltip: 'Left to right',
          icon: 'ltr',
          onAction: function () {
            return editor.execCommand('mceDirectionLTR');
          },
          onSetup: getNodeChangeHandler(editor, 'ltr')
        });
        editor.ui.registry.addToggleButton('rtl', {
          tooltip: 'Right to left',
          icon: 'rtl',
          onAction: function () {
            return editor.execCommand('mceDirectionRTL');
          },
          onSetup: getNodeChangeHandler(editor, 'rtl')
        });
      };
  
      function Plugin () {
        global.add('directionality', function (editor) {
          register(editor);
          register$1(editor);
        });
      }
  
      Plugin();
  
  }());
  