task/resources/assets/statics/public/js/build/plugins/paste/plugin.js

/**
 * 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: 5.3.0 (2020-05-21)
 */
(function (domGlobals) {
    'use strict';

    var Cell = function (initial) {
      var value = initial;
      var get = function () {
        return value;
      };
      var set = function (v) {
        value = v;
      };
      return {
        get: get,
        set: set
      };
    };

    var global = tinymce.util.Tools.resolve('tinymce.PluginManager');

    var hasProPlugin = function (editor) {
      if (/(^|[ ,])powerpaste([, ]|$)/.test(editor.settings.plugins) && global.get('powerpaste')) {
        if (typeof domGlobals.window.console !== 'undefined' && domGlobals.window.console.log) {
          domGlobals.window.console.log('PowerPaste is incompatible with Paste plugin! Remove \'paste\' from the \'plugins\' option.');
        }
        return true;
      } else {
        return false;
      }
    };

    var get = function (clipboard, quirks) {
      return {
        clipboard: clipboard,
        quirks: quirks
      };
    };

    var firePastePreProcess = function (editor, html, internal, isWordHtml) {
      return editor.fire('PastePreProcess', {
        content: html,
        internal: internal,
        wordContent: isWordHtml
      });
    };
    var firePastePostProcess = function (editor, node, internal, isWordHtml) {
      return editor.fire('PastePostProcess', {
        node: node,
        internal: internal,
        wordContent: isWordHtml
      });
    };
    var firePastePlainTextToggle = function (editor, state) {
      return editor.fire('PastePlainTextToggle', { state: state });
    };
    var firePaste = function (editor, ieFake) {
      return editor.fire('paste', { ieFake: ieFake });
    };

    var togglePlainTextPaste = function (editor, clipboard) {
      if (clipboard.pasteFormat.get() === 'text') {
        clipboard.pasteFormat.set('html');
        firePastePlainTextToggle(editor, false);
      } else {
        clipboard.pasteFormat.set('text');
        firePastePlainTextToggle(editor, true);
      }
      editor.focus();
    };

    var register = function (editor, clipboard) {
      editor.addCommand('mceTogglePlainTextPaste', function () {
        togglePlainTextPaste(editor, clipboard);
      });
      editor.addCommand('mceInsertClipboardContent', function (ui, value) {
        if (value.content) {
          clipboard.pasteHtml(value.content, value.internal);
        }
        if (value.text) {
          clipboard.pasteText(value.text);
        }
      });
    };

    var noop = function () {
    };
    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 Option = {
      some: some,
      none: none,
      from: from
    };

    var isSimpleType = function (type) {
      return function (value) {
        return typeof value === type;
      };
    };
    var isFunction = isSimpleType('function');

    var nativeSlice = Array.prototype.slice;
    var map = function (xs, f) {
      var len = xs.length;
      var r = new Array(len);
      for (var i = 0; i < len; i++) {
        var x = xs[i];
        r[i] = f(x, i);
      }
      return r;
    };
    var each = function (xs, f) {
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        f(x, i);
      }
    };
    var filter = function (xs, pred) {
      var r = [];
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        if (pred(x, i)) {
          r.push(x);
        }
      }
      return r;
    };
    var foldl = function (xs, f, acc) {
      each(xs, function (x) {
        acc = f(acc, x);
      });
      return acc;
    };
    var from$1 = isFunction(Array.from) ? Array.from : function (x) {
      return nativeSlice.call(x);
    };

    var value = function () {
      var subject = Cell(Option.none());
      var clear = function () {
        subject.set(Option.none());
      };
      var set = function (s) {
        subject.set(Option.some(s));
      };
      var on = function (f) {
        subject.get().each(f);
      };
      var isSet = function () {
        return subject.get().isSome();
      };
      return {
        clear: clear,
        set: set,
        isSet: isSet,
        on: on
      };
    };

    var global$1 = tinymce.util.Tools.resolve('tinymce.Env');

    var global$2 = tinymce.util.Tools.resolve('tinymce.util.Delay');

    var global$3 = tinymce.util.Tools.resolve('tinymce.util.Promise');

    var global$4 = tinymce.util.Tools.resolve('tinymce.util.Tools');

    var global$5 = tinymce.util.Tools.resolve('tinymce.util.VK');

    var internalMimeType = 'x-tinymce/html';
    var internalMark = '<!-- ' + internalMimeType + ' -->';
    var mark = function (html) {
      return internalMark + html;
    };
    var unmark = function (html) {
      return html.replace(internalMark, '');
    };
    var isMarked = function (html) {
      return html.indexOf(internalMark) !== -1;
    };
    var internalHtmlMime = function () {
      return internalMimeType;
    };

    var global$6 = tinymce.util.Tools.resolve('tinymce.html.Entities');

    var isPlainText = function (text) {
      return !/<(?:\/?(?!(?:div|p|br|span)>)\w+|(?:(?!(?:span style="white-space:\s?pre;?">)|br\s?\/>))\w+\s[^>]+)>/i.test(text);
    };
    var toBRs = function (text) {
      return text.replace(/\r?\n/g, '<br>');
    };
    var openContainer = function (rootTag, rootAttrs) {
      var key;
      var attrs = [];
      var tag = '<' + rootTag;
      if (typeof rootAttrs === 'object') {
        for (key in rootAttrs) {
          if (rootAttrs.hasOwnProperty(key)) {
            attrs.push(key + '="' + global$6.encodeAllRaw(rootAttrs[key]) + '"');
          }
        }
        if (attrs.length) {
          tag += ' ' + attrs.join(' ');
        }
      }
      return tag + '>';
    };
    var toBlockElements = function (text, rootTag, rootAttrs) {
      var blocks = text.split(/\n\n/);
      var tagOpen = openContainer(rootTag, rootAttrs);
      var tagClose = '</' + rootTag + '>';
      var paragraphs = global$4.map(blocks, function (p) {
        return p.split(/\n/).join('<br />');
      });
      var stitch = function (p) {
        return tagOpen + p + tagClose;
      };
      return paragraphs.length === 1 ? paragraphs[0] : global$4.map(paragraphs, stitch).join('');
    };
    var convert = function (text, rootTag, rootAttrs) {
      return rootTag ? toBlockElements(text, rootTag === true ? 'p' : rootTag, rootAttrs) : toBRs(text);
    };

    var global$7 = tinymce.util.Tools.resolve('tinymce.html.DomParser');

    var global$8 = tinymce.util.Tools.resolve('tinymce.html.Serializer');

    var global$9 = tinymce.util.Tools.resolve('tinymce.html.Node');

    var global$a = tinymce.util.Tools.resolve('tinymce.html.Schema');

    var shouldBlockDrop = function (editor) {
      return editor.getParam('paste_block_drop', false);
    };
    var shouldPasteDataImages = function (editor) {
      return editor.getParam('paste_data_images', false);
    };
    var shouldFilterDrop = function (editor) {
      return editor.getParam('paste_filter_drop', true);
    };
    var getPreProcess = function (editor) {
      return editor.getParam('paste_preprocess');
    };
    var getPostProcess = function (editor) {
      return editor.getParam('paste_postprocess');
    };
    var getWebkitStyles = function (editor) {
      return editor.getParam('paste_webkit_styles');
    };
    var shouldRemoveWebKitStyles = function (editor) {
      return editor.getParam('paste_remove_styles_if_webkit', true);
    };
    var shouldMergeFormats = function (editor) {
      return editor.getParam('paste_merge_formats', true);
    };
    var isSmartPasteEnabled = function (editor) {
      return editor.getParam('smart_paste', true);
    };
    var isPasteAsTextEnabled = function (editor) {
      return editor.getParam('paste_as_text', false);
    };
    var getRetainStyleProps = function (editor) {
      return editor.getParam('paste_retain_style_properties');
    };
    var getWordValidElements = function (editor) {
      var defaultValidElements = '-strong/b,-em/i,-u,-span,-p,-ol,-ul,-li,-h1,-h2,-h3,-h4,-h5,-h6,' + '-p/div,-a[href|name],sub,sup,strike,br,del,table[width],tr,' + 'td[colspan|rowspan|width],th[colspan|rowspan|width],thead,tfoot,tbody';
      return editor.getParam('paste_word_valid_elements', defaultValidElements);
    };
    var shouldConvertWordFakeLists = function (editor) {
      return editor.getParam('paste_convert_word_fake_lists', true);
    };
    var shouldUseDefaultFilters = function (editor) {
      return editor.getParam('paste_enable_default_filters', true);
    };

    var nbsp = '\xA0';

    function filter$1(content, items) {
      global$4.each(items, function (v) {
        if (v.constructor === RegExp) {
          content = content.replace(v, '');
        } else {
          content = content.replace(v[0], v[1]);
        }
      });
      return content;
    }
    function innerText(html) {
      var schema = global$a();
      var domParser = global$7({}, schema);
      var text = '';
      var shortEndedElements = schema.getShortEndedElements();
      var ignoreElements = global$4.makeMap('script noscript style textarea video audio iframe object', ' ');
      var blockElements = schema.getBlockElements();
      function walk(node) {
        var name = node.name, currentNode = node;
        if (name === 'br') {
          text += '\n';
          return;
        }
        if (name === 'wbr') {
          return;
        }
        if (shortEndedElements[name]) {
          text += ' ';
        }
        if (ignoreElements[name]) {
          text += ' ';
          return;
        }
        if (node.type === 3) {
          text += node.value;
        }
        if (!node.shortEnded) {
          if (node = node.firstChild) {
            do {
              walk(node);
            } while (node = node.next);
          }
        }
        if (blockElements[name] && currentNode.next) {
          text += '\n';
          if (name === 'p') {
            text += '\n';
          }
        }
      }
      html = filter$1(html, [/<!\[[^\]]+\]>/g]);
      walk(domParser.parse(html));
      return text;
    }
    function trimHtml(html) {
      function trimSpaces(all, s1, s2) {
        if (!s1 && !s2) {
          return ' ';
        }
        return nbsp;
      }
      html = filter$1(html, [
        /^[\s\S]*<body[^>]*>\s*|\s*<\/body[^>]*>[\s\S]*$/ig,
        /<!--StartFragment-->|<!--EndFragment-->/g,
        [
          /( ?)<span class="Apple-converted-space">\u00a0<\/span>( ?)/g,
          trimSpaces
        ],
        /<br class="Apple-interchange-newline">/g,
        /<br>$/i
      ]);
      return html;
    }
    function createIdGenerator(prefix) {
      var count = 0;
      return function () {
        return prefix + count++;
      };
    }
    var isMsEdge = function () {
      return domGlobals.navigator.userAgent.indexOf(' Edge/') !== -1;
    };

    function isWordContent(content) {
      return /<font face="Times New Roman"|class="?Mso|style="[^"]*\bmso-|style='[^'']*\bmso-|w:WordDocument/i.test(content) || /class="OutlineElement/.test(content) || /id="?docs\-internal\-guid\-/.test(content);
    }
    function isNumericList(text) {
      var found, patterns;
      patterns = [
        /^[IVXLMCD]{1,2}\.[ \u00a0]/,
        /^[ivxlmcd]{1,2}\.[ \u00a0]/,
        /^[a-z]{1,2}[\.\)][ \u00a0]/,
        /^[A-Z]{1,2}[\.\)][ \u00a0]/,
        /^[0-9]+\.[ \u00a0]/,
        /^[\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d]+\.[ \u00a0]/,
        /^[\u58f1\u5f10\u53c2\u56db\u4f0d\u516d\u4e03\u516b\u4e5d\u62fe]+\.[ \u00a0]/
      ];
      text = text.replace(/^[\u00a0 ]+/, '');
      global$4.each(patterns, function (pattern) {
        if (pattern.test(text)) {
          found = true;
          return false;
        }
      });
      return found;
    }
    function isBulletList(text) {
      return /^[\s\u00a0]*[\u2022\u00b7\u00a7\u25CF]\s*/.test(text);
    }
    function convertFakeListsToProperLists(node) {
      var currentListNode, prevListNode, lastLevel = 1;
      function getText(node) {
        var txt = '';
        if (node.type === 3) {
          return node.value;
        }
        if (node = node.firstChild) {
          do {
            txt += getText(node);
          } while (node = node.next);
        }
        return txt;
      }
      function trimListStart(node, regExp) {
        if (node.type === 3) {
          if (regExp.test(node.value)) {
            node.value = node.value.replace(regExp, '');
            return false;
          }
        }
        if (node = node.firstChild) {
          do {
            if (!trimListStart(node, regExp)) {
              return false;
            }
          } while (node = node.next);
        }
        return true;
      }
      function removeIgnoredNodes(node) {
        if (node._listIgnore) {
          node.remove();
          return;
        }
        if (node = node.firstChild) {
          do {
            removeIgnoredNodes(node);
          } while (node = node.next);
        }
      }
      function convertParagraphToLi(paragraphNode, listName, start) {
        var level = paragraphNode._listLevel || lastLevel;
        if (level !== lastLevel) {
          if (level < lastLevel) {
            if (currentListNode) {
              currentListNode = currentListNode.parent.parent;
            }
          } else {
            prevListNode = currentListNode;
            currentListNode = null;
          }
        }
        if (!currentListNode || currentListNode.name !== listName) {
          prevListNode = prevListNode || currentListNode;
          currentListNode = new global$9(listName, 1);
          if (start > 1) {
            currentListNode.attr('start', '' + start);
          }
          paragraphNode.wrap(currentListNode);
        } else {
          currentListNode.append(paragraphNode);
        }
        paragraphNode.name = 'li';
        if (level > lastLevel && prevListNode) {
          prevListNode.lastChild.append(currentListNode);
        }
        lastLevel = level;
        removeIgnoredNodes(paragraphNode);
        trimListStart(paragraphNode, /^\u00a0+/);
        trimListStart(paragraphNode, /^\s*([\u2022\u00b7\u00a7\u25CF]|\w+\.)/);
        trimListStart(paragraphNode, /^\u00a0+/);
      }
      var elements = [];
      var child = node.firstChild;
      while (typeof child !== 'undefined' && child !== null) {
        elements.push(child);
        child = child.walk();
        if (child !== null) {
          while (typeof child !== 'undefined' && child.parent !== node) {
            child = child.walk();
          }
        }
      }
      for (var i = 0; i < elements.length; i++) {
        node = elements[i];
        if (node.name === 'p' && node.firstChild) {
          var nodeText = getText(node);
          if (isBulletList(nodeText)) {
            convertParagraphToLi(node, 'ul');
            continue;
          }
          if (isNumericList(nodeText)) {
            var matches = /([0-9]+)\./.exec(nodeText);
            var start = 1;
            if (matches) {
              start = parseInt(matches[1], 10);
            }
            convertParagraphToLi(node, 'ol', start);
            continue;
          }
          if (node._listLevel) {
            convertParagraphToLi(node, 'ul', 1);
            continue;
          }
          currentListNode = null;
        } else {
          prevListNode = currentListNode;
          currentListNode = null;
        }
      }
    }
    function filterStyles(editor, validStyles, node, styleValue) {
      var outputStyles = {}, matches;
      var styles = editor.dom.parseStyle(styleValue);
      global$4.each(styles, function (value, name) {
        switch (name) {
        case 'mso-list':
          matches = /\w+ \w+([0-9]+)/i.exec(styleValue);
          if (matches) {
            node._listLevel = parseInt(matches[1], 10);
          }
          if (/Ignore/i.test(value) && node.firstChild) {
            node._listIgnore = true;
            node.firstChild._listIgnore = true;
          }
          break;
        case 'horiz-align':
          name = 'text-align';
          break;
        case 'vert-align':
          name = 'vertical-align';
          break;
        case 'font-color':
        case 'mso-foreground':
          name = 'color';
          break;
        case 'mso-background':
        case 'mso-highlight':
          name = 'background';
          break;
        case 'font-weight':
        case 'font-style':
          if (value !== 'normal') {
            outputStyles[name] = value;
          }
          return;
        case 'mso-element':
          if (/^(comment|comment-list)$/i.test(value)) {
            node.remove();
            return;
          }
          break;
        }
        if (name.indexOf('mso-comment') === 0) {
          node.remove();
          return;
        }
        if (name.indexOf('mso-') === 0) {
          return;
        }
        if (getRetainStyleProps(editor) === 'all' || validStyles && validStyles[name]) {
          outputStyles[name] = value;
        }
      });
      if (/(bold)/i.test(outputStyles['font-weight'])) {
        delete outputStyles['font-weight'];
        node.wrap(new global$9('b', 1));
      }
      if (/(italic)/i.test(outputStyles['font-style'])) {
        delete outputStyles['font-style'];
        node.wrap(new global$9('i', 1));
      }
      outputStyles = editor.dom.serializeStyle(outputStyles, node.name);
      if (outputStyles) {
        return outputStyles;
      }
      return null;
    }
    var filterWordContent = function (editor, content) {
      var retainStyleProperties, validStyles;
      retainStyleProperties = getRetainStyleProps(editor);
      if (retainStyleProperties) {
        validStyles = global$4.makeMap(retainStyleProperties.split(/[, ]/));
      }
      content = filter$1(content, [
        /<br class="?Apple-interchange-newline"?>/gi,
        /<b[^>]+id="?docs-internal-[^>]*>/gi,
        /<!--[\s\S]+?-->/gi,
        /<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
        [
          /<(\/?)s>/gi,
          '<$1strike>'
        ],
        [
          /&nbsp;/gi,
          nbsp
        ],
        [
          /<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
          function (str, spaces) {
            return spaces.length > 0 ? spaces.replace(/./, ' ').slice(Math.floor(spaces.length / 2)).split('').join(nbsp) : '';
          }
        ]
      ]);
      var validElements = getWordValidElements(editor);
      var schema = global$a({
        valid_elements: validElements,
        valid_children: '-li[p]'
      });
      global$4.each(schema.elements, function (rule) {
        if (!rule.attributes.class) {
          rule.attributes.class = {};
          rule.attributesOrder.push('class');
        }
        if (!rule.attributes.style) {
          rule.attributes.style = {};
          rule.attributesOrder.push('style');
        }
      });
      var domParser = global$7({}, schema);
      domParser.addAttributeFilter('style', function (nodes) {
        var i = nodes.length, node;
        while (i--) {
          node = nodes[i];
          node.attr('style', filterStyles(editor, validStyles, node, node.attr('style')));
          if (node.name === 'span' && node.parent && !node.attributes.length) {
            node.unwrap();
          }
        }
      });
      domParser.addAttributeFilter('class', function (nodes) {
        var i = nodes.length, node, className;
        while (i--) {
          node = nodes[i];
          className = node.attr('class');
          if (/^(MsoCommentReference|MsoCommentText|msoDel)$/i.test(className)) {
            node.remove();
          }
          node.attr('class', null);
        }
      });
      domParser.addNodeFilter('del', function (nodes) {
        var i = nodes.length;
        while (i--) {
          nodes[i].remove();
        }
      });
      domParser.addNodeFilter('a', function (nodes) {
        var i = nodes.length, node, href, name;
        while (i--) {
          node = nodes[i];
          href = node.attr('href');
          name = node.attr('name');
          if (href && href.indexOf('#_msocom_') !== -1) {
            node.remove();
            continue;
          }
          if (href && href.indexOf('file://') === 0) {
            href = href.split('#')[1];
            if (href) {
              href = '#' + href;
            }
          }
          if (!href && !name) {
            node.unwrap();
          } else {
            if (name && !/^_?(?:toc|edn|ftn)/i.test(name)) {
              node.unwrap();
              continue;
            }
            node.attr({
              href: href,
              name: name
            });
          }
        }
      });
      var rootNode = domParser.parse(content);
      if (shouldConvertWordFakeLists(editor)) {
        convertFakeListsToProperLists(rootNode);
      }
      content = global$8({ validate: editor.settings.validate }, schema).serialize(rootNode);
      return content;
    };
    var preProcess = function (editor, content) {
      return shouldUseDefaultFilters(editor) ? filterWordContent(editor, content) : content;
    };

    var preProcess$1 = function (editor, html) {
      var parser = global$7({}, editor.schema);
      parser.addNodeFilter('meta', function (nodes) {
        global$4.each(nodes, function (node) {
          return node.remove();
        });
      });
      var fragment = parser.parse(html, {
        forced_root_block: false,
        isRootContent: true
      });
      return global$8({ validate: editor.settings.validate }, editor.schema).serialize(fragment);
    };
    var processResult = function (content, cancelled) {
      return {
        content: content,
        cancelled: cancelled
      };
    };
    var postProcessFilter = function (editor, html, internal, isWordHtml) {
      var tempBody = editor.dom.create('div', { style: 'display:none' }, html);
      var postProcessArgs = firePastePostProcess(editor, tempBody, internal, isWordHtml);
      return processResult(postProcessArgs.node.innerHTML, postProcessArgs.isDefaultPrevented());
    };
    var filterContent = function (editor, content, internal, isWordHtml) {
      var preProcessArgs = firePastePreProcess(editor, content, internal, isWordHtml);
      var filteredContent = preProcess$1(editor, preProcessArgs.content);
      if (editor.hasEventListeners('PastePostProcess') && !preProcessArgs.isDefaultPrevented()) {
        return postProcessFilter(editor, filteredContent, internal, isWordHtml);
      } else {
        return processResult(filteredContent, preProcessArgs.isDefaultPrevented());
      }
    };
    var process = function (editor, html, internal) {
      var isWordHtml = isWordContent(html);
      var content = isWordHtml ? preProcess(editor, html) : html;
      return filterContent(editor, content, internal, isWordHtml);
    };

    var pasteHtml = function (editor, html) {
      editor.insertContent(html, {
        merge: shouldMergeFormats(editor),
        paste: true
      });
      return true;
    };
    var isAbsoluteUrl = function (url) {
      return /^https?:\/\/[\w\?\-\/+=.&%@~#]+$/i.test(url);
    };
    var isImageUrl = function (url) {
      return isAbsoluteUrl(url) && /.(gif|jpe?g|png)$/.test(url);
    };
    var createImage = function (editor, url, pasteHtmlFn) {
      editor.undoManager.extra(function () {
        pasteHtmlFn(editor, url);
      }, function () {
        editor.insertContent('<img src="' + url + '">');
      });
      return true;
    };
    var createLink = function (editor, url, pasteHtmlFn) {
      editor.undoManager.extra(function () {
        pasteHtmlFn(editor, url);
      }, function () {
        editor.execCommand('mceInsertLink', false, url);
      });
      return true;
    };
    var linkSelection = function (editor, html, pasteHtmlFn) {
      return editor.selection.isCollapsed() === false && isAbsoluteUrl(html) ? createLink(editor, html, pasteHtmlFn) : false;
    };
    var insertImage = function (editor, html, pasteHtmlFn) {
      return isImageUrl(html) ? createImage(editor, html, pasteHtmlFn) : false;
    };
    var smartInsertContent = function (editor, html) {
      global$4.each([
        linkSelection,
        insertImage,
        pasteHtml
      ], function (action) {
        return action(editor, html, pasteHtml) !== true;
      });
    };
    var insertContent = function (editor, html, pasteAsText) {
      if (pasteAsText || isSmartPasteEnabled(editor) === false) {
        pasteHtml(editor, html);
      } else {
        smartInsertContent(editor, html);
      }
    };

    var isCollapsibleWhitespace = function (c) {
      return ' \f\t\x0B'.indexOf(c) !== -1;
    };
    var isNewLineChar = function (c) {
      return c === '\n' || c === '\r';
    };
    var isNewline = function (text, idx) {
      return idx < text.length && idx >= 0 ? isNewLineChar(text[idx]) : false;
    };
    var normalizeWhitespace = function (text) {
      var result = foldl(text, function (acc, c) {
        if (isCollapsibleWhitespace(c) || c === nbsp) {
          if (acc.pcIsSpace || acc.str === '' || acc.str.length === text.length - 1 || isNewline(text, acc.str.length + 1)) {
            return {
              pcIsSpace: false,
              str: acc.str + nbsp
            };
          } else {
            return {
              pcIsSpace: true,
              str: acc.str + ' '
            };
          }
        } else {
          return {
            pcIsSpace: isNewLineChar(c),
            str: acc.str + c
          };
        }
      }, {
        pcIsSpace: false,
        str: ''
      });
      return result.str;
    };

    var doPaste = function (editor, content, internal, pasteAsText) {
      var args = process(editor, content, internal);
      if (args.cancelled === false) {
        insertContent(editor, args.content, pasteAsText);
      }
    };
    var pasteHtml$1 = function (editor, html, internalFlag) {
      var internal = internalFlag ? internalFlag : isMarked(html);
      doPaste(editor, unmark(html), internal, false);
    };
    var pasteText = function (editor, text) {
      var encodedText = editor.dom.encode(text).replace(/\r\n/g, '\n');
      var normalizedText = normalizeWhitespace(encodedText);
      var html = convert(normalizedText, editor.settings.forced_root_block, editor.settings.forced_root_block_attrs);
      doPaste(editor, html, false, true);
    };
    var getDataTransferItems = function (dataTransfer) {
      var items = {};
      var mceInternalUrlPrefix = 'data:text/mce-internal,';
      if (dataTransfer) {
        if (dataTransfer.getData) {
          var legacyText = dataTransfer.getData('Text');
          if (legacyText && legacyText.length > 0) {
            if (legacyText.indexOf(mceInternalUrlPrefix) === -1) {
              items['text/plain'] = legacyText;
            }
          }
        }
        if (dataTransfer.types) {
          for (var i = 0; i < dataTransfer.types.length; i++) {
            var contentType = dataTransfer.types[i];
            try {
              items[contentType] = dataTransfer.getData(contentType);
            } catch (ex) {
              items[contentType] = '';
            }
          }
        }
      }
      return items;
    };
    var getClipboardContent = function (editor, clipboardEvent) {
      var content = getDataTransferItems(clipboardEvent.clipboardData || editor.getDoc().dataTransfer);
      return isMsEdge() ? global$4.extend(content, { 'text/html': '' }) : content;
    };
    var hasContentType = function (clipboardContent, mimeType) {
      return mimeType in clipboardContent && clipboardContent[mimeType].length > 0;
    };
    var hasHtmlOrText = function (content) {
      return hasContentType(content, 'text/html') || hasContentType(content, 'text/plain');
    };
    var parseDataUri = function (uri) {
      var matches = /data:([^;]+);base64,([a-z0-9\+\/=]+)/i.exec(uri);
      if (matches) {
        return {
          type: matches[1],
          data: decodeURIComponent(matches[2])
        };
      } else {
        return {
          type: null,
          data: null
        };
      }
    };
    var isValidDataUriImage = function (settings, imgElm) {
      return settings.images_dataimg_filter ? settings.images_dataimg_filter(imgElm) : true;
    };
    var extractFilename = function (editor, str) {
      var m = str.match(/([\s\S]+?)\.(?:jpeg|jpg|png|gif)$/i);
      return m ? editor.dom.encode(m[1]) : null;
    };
    var uniqueId = createIdGenerator('mceclip');
    var pasteImage = function (editor, imageItem) {
      var _a = parseDataUri(imageItem.uri), base64 = _a.data, type = _a.type;
      var id = uniqueId();
      var name = editor.settings.images_reuse_filename && imageItem.blob.name ? extractFilename(editor, imageItem.blob.name) : id;
      var img = new domGlobals.Image();
      img.src = imageItem.uri;
      if (isValidDataUriImage(editor.settings, img)) {
        var blobCache = editor.editorUpload.blobCache;
        var blobInfo = void 0;
        var existingBlobInfo = blobCache.getByData(base64, type);
        if (!existingBlobInfo) {
          blobInfo = blobCache.create(id, imageItem.blob, base64, name);
          blobCache.add(blobInfo);
        } else {
          blobInfo = existingBlobInfo;
        }
        pasteHtml$1(editor, '<img src="' + blobInfo.blobUri() + '">', false);
      } else {
        pasteHtml$1(editor, '<img src="' + imageItem.uri + '">', false);
      }
    };
    var isClipboardEvent = function (event) {
      return event.type === 'paste';
    };
    var readBlobsAsDataUris = function (items) {
      return global$3.all(map(items, function (item) {
        return new global$3(function (resolve) {
          var blob = item.getAsFile ? item.getAsFile() : item;
          var reader = new window.FileReader();
          reader.onload = function () {
            resolve({
              blob: blob,
              uri: reader.result
            });
          };
          reader.readAsDataURL(blob);
        });
      }));
    };
    var getImagesFromDataTransfer = function (dataTransfer) {
      var items = dataTransfer.items ? map(from$1(dataTransfer.items), function (item) {
        return item.getAsFile();
      }) : [];
      var files = dataTransfer.files ? from$1(dataTransfer.files) : [];
      var images = filter(items.length > 0 ? items : files, function (file) {
        return /^image\/(jpeg|png|gif|bmp)$/.test(file.type);
      });
      return images;
    };
    var pasteImageData = function (editor, e, rng) {
      var dataTransfer = isClipboardEvent(e) ? e.clipboardData : e.dataTransfer;
      if (editor.settings.paste_data_images && dataTransfer) {
        var images = getImagesFromDataTransfer(dataTransfer);
        if (images.length > 0) {
          e.preventDefault();
          readBlobsAsDataUris(images).then(function (blobResults) {
            if (rng) {
              editor.selection.setRng(rng);
            }
            each(blobResults, function (result) {
              pasteImage(editor, result);
            });
          });
          return true;
        }
      }
      return false;
    };
    var isBrokenAndroidClipboardEvent = function (e) {
      var clipboardData = e.clipboardData;
      return domGlobals.navigator.userAgent.indexOf('Android') !== -1 && clipboardData && clipboardData.items && clipboardData.items.length === 0;
    };
    var isKeyboardPasteEvent = function (e) {
      return global$5.metaKeyPressed(e) && e.keyCode === 86 || e.shiftKey && e.keyCode === 45;
    };
    var registerEventHandlers = function (editor, pasteBin, pasteFormat) {
      var keyboardPasteEvent = value();
      var keyboardPastePlainTextState;
      editor.on('keydown', function (e) {
        function removePasteBinOnKeyUp(e) {
          if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
            pasteBin.remove();
          }
        }
        if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
          keyboardPastePlainTextState = e.shiftKey && e.keyCode === 86;
          if (keyboardPastePlainTextState && global$1.webkit && domGlobals.navigator.userAgent.indexOf('Version/') !== -1) {
            return;
          }
          e.stopImmediatePropagation();
          keyboardPasteEvent.set(e);
          window.setTimeout(function () {
            keyboardPasteEvent.clear();
          }, 100);
          if (global$1.ie && keyboardPastePlainTextState) {
            e.preventDefault();
            firePaste(editor, true);
            return;
          }
          pasteBin.remove();
          pasteBin.create();
          editor.once('keyup', removePasteBinOnKeyUp);
          editor.once('paste', function () {
            editor.off('keyup', removePasteBinOnKeyUp);
          });
        }
      });
      function insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode, internal) {
        var content, isPlainTextHtml, isImage;
        if (hasContentType(clipboardContent, 'text/html')) {
          content = clipboardContent['text/html'];
        } else {
          content = pasteBin.getHtml();
          internal = internal ? internal : isMarked(content);
          if (pasteBin.isDefaultContent(content)) {
            plainTextMode = true;
          }
        }
        content = trimHtml(content);
        pasteBin.remove();
        isPlainTextHtml = internal === false && isPlainText(content);
        isImage = isImageUrl(content);
        if (!content.length || isPlainTextHtml && !isImage) {
          plainTextMode = true;
        }
        if (plainTextMode || isImage) {
          if (hasContentType(clipboardContent, 'text/plain') && isPlainTextHtml) {
            content = clipboardContent['text/plain'];
          } else {
            content = innerText(content);
          }
        }
        if (pasteBin.isDefaultContent(content)) {
          if (!isKeyBoardPaste) {
            editor.windowManager.alert('Please use Ctrl+V/Cmd+V keyboard shortcuts to paste contents.');
          }
          return;
        }
        if (plainTextMode) {
          pasteText(editor, content);
        } else {
          pasteHtml$1(editor, content, internal);
        }
      }
      var getLastRng = function () {
        return pasteBin.getLastRng() || editor.selection.getRng();
      };
      editor.on('paste', function (e) {
        var isKeyBoardPaste = keyboardPasteEvent.isSet();
        var clipboardContent = getClipboardContent(editor, e);
        var plainTextMode = pasteFormat.get() === 'text' || keyboardPastePlainTextState;
        var internal = hasContentType(clipboardContent, internalHtmlMime());
        keyboardPastePlainTextState = false;
        if (e.isDefaultPrevented() || isBrokenAndroidClipboardEvent(e)) {
          pasteBin.remove();
          return;
        }
        if (!hasHtmlOrText(clipboardContent) && pasteImageData(editor, e, getLastRng())) {
          pasteBin.remove();
          return;
        }
        if (!isKeyBoardPaste) {
          e.preventDefault();
        }
        if (global$1.ie && (!isKeyBoardPaste || e.ieFake) && !hasContentType(clipboardContent, 'text/html')) {
          pasteBin.create();
          editor.dom.bind(pasteBin.getEl(), 'paste', function (e) {
            e.stopPropagation();
          });
          editor.getDoc().execCommand('Paste', false, null);
          clipboardContent['text/html'] = pasteBin.getHtml();
        }
        if (hasContentType(clipboardContent, 'text/html')) {
          e.preventDefault();
          if (!internal) {
            internal = isMarked(clipboardContent['text/html']);
          }
          insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode, internal);
        } else {
          global$2.setEditorTimeout(editor, function () {
            insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode, internal);
          }, 0);
        }
      });
    };
    var registerEventsAndFilters = function (editor, pasteBin, pasteFormat) {
      registerEventHandlers(editor, pasteBin, pasteFormat);
      var src;
      editor.parser.addNodeFilter('img', function (nodes, name, args) {
        var isPasteInsert = function (args) {
          return args.data && args.data.paste === true;
        };
        var remove = function (node) {
          if (!node.attr('data-mce-object') && src !== global$1.transparentSrc) {
            node.remove();
          }
        };
        var isWebKitFakeUrl = function (src) {
          return src.indexOf('webkit-fake-url') === 0;
        };
        var isDataUri = function (src) {
          return src.indexOf('data:') === 0;
        };
        if (!editor.settings.paste_data_images && isPasteInsert(args)) {
          var i = nodes.length;
          while (i--) {
            src = nodes[i].attr('src');
            if (!src) {
              continue;
            }
            if (isWebKitFakeUrl(src)) {
              remove(nodes[i]);
            } else if (!editor.settings.allow_html_data_urls && isDataUri(src)) {
              remove(nodes[i]);
            }
          }
        }
      });
    };

    var getPasteBinParent = function (editor) {
      return global$1.ie && editor.inline ? domGlobals.document.body : editor.getBody();
    };
    var isExternalPasteBin = function (editor) {
      return getPasteBinParent(editor) !== editor.getBody();
    };
    var delegatePasteEvents = function (editor, pasteBinElm, pasteBinDefaultContent) {
      if (isExternalPasteBin(editor)) {
        editor.dom.bind(pasteBinElm, 'paste keyup', function (_e) {
          if (!isDefault(editor, pasteBinDefaultContent)) {
            editor.fire('paste');
          }
        });
      }
    };
    var create = function (editor, lastRngCell, pasteBinDefaultContent) {
      var dom = editor.dom, body = editor.getBody();
      var pasteBinElm;
      lastRngCell.set(editor.selection.getRng());
      pasteBinElm = editor.dom.add(getPasteBinParent(editor), 'div', {
        'id': 'mcepastebin',
        'class': 'mce-pastebin',
        'contentEditable': true,
        'data-mce-bogus': 'all',
        'style': 'position: fixed; top: 50%; width: 10px; height: 10px; overflow: hidden; opacity: 0'
      }, pasteBinDefaultContent);
      if (global$1.ie || global$1.gecko) {
        dom.setStyle(pasteBinElm, 'left', dom.getStyle(body, 'direction', true) === 'rtl' ? 65535 : -65535);
      }
      dom.bind(pasteBinElm, 'beforedeactivate focusin focusout', function (e) {
        e.stopPropagation();
      });
      delegatePasteEvents(editor, pasteBinElm, pasteBinDefaultContent);
      pasteBinElm.focus();
      editor.selection.select(pasteBinElm, true);
    };
    var remove = function (editor, lastRngCell) {
      if (getEl(editor)) {
        var pasteBinClone = void 0;
        var lastRng = lastRngCell.get();
        while (pasteBinClone = editor.dom.get('mcepastebin')) {
          editor.dom.remove(pasteBinClone);
          editor.dom.unbind(pasteBinClone);
        }
        if (lastRng) {
          editor.selection.setRng(lastRng);
        }
      }
      lastRngCell.set(null);
    };
    var getEl = function (editor) {
      return editor.dom.get('mcepastebin');
    };
    var getHtml = function (editor) {
      var pasteBinElm, pasteBinClones, i, dirtyWrappers, cleanWrapper;
      var copyAndRemove = function (toElm, fromElm) {
        toElm.appendChild(fromElm);
        editor.dom.remove(fromElm, true);
      };
      pasteBinClones = global$4.grep(getPasteBinParent(editor).childNodes, function (elm) {
        return elm.id === 'mcepastebin';
      });
      pasteBinElm = pasteBinClones.shift();
      global$4.each(pasteBinClones, function (pasteBinClone) {
        copyAndRemove(pasteBinElm, pasteBinClone);
      });
      dirtyWrappers = editor.dom.select('div[id=mcepastebin]', pasteBinElm);
      for (i = dirtyWrappers.length - 1; i >= 0; i--) {
        cleanWrapper = editor.dom.create('div');
        pasteBinElm.insertBefore(cleanWrapper, dirtyWrappers[i]);
        copyAndRemove(cleanWrapper, dirtyWrappers[i]);
      }
      return pasteBinElm ? pasteBinElm.innerHTML : '';
    };
    var getLastRng = function (lastRng) {
      return lastRng.get();
    };
    var isDefaultContent = function (pasteBinDefaultContent, content) {
      return content === pasteBinDefaultContent;
    };
    var isPasteBin = function (elm) {
      return elm && elm.id === 'mcepastebin';
    };
    var isDefault = function (editor, pasteBinDefaultContent) {
      var pasteBinElm = getEl(editor);
      return isPasteBin(pasteBinElm) && isDefaultContent(pasteBinDefaultContent, pasteBinElm.innerHTML);
    };
    var PasteBin = function (editor) {
      var lastRng = Cell(null);
      var pasteBinDefaultContent = '%MCEPASTEBIN%';
      return {
        create: function () {
          return create(editor, lastRng, pasteBinDefaultContent);
        },
        remove: function () {
          return remove(editor, lastRng);
        },
        getEl: function () {
          return getEl(editor);
        },
        getHtml: function () {
          return getHtml(editor);
        },
        getLastRng: function () {
          return getLastRng(lastRng);
        },
        isDefault: function () {
          return isDefault(editor, pasteBinDefaultContent);
        },
        isDefaultContent: function (content) {
          return isDefaultContent(pasteBinDefaultContent, content);
        }
      };
    };

    var Clipboard = function (editor, pasteFormat) {
      var pasteBin = PasteBin(editor);
      editor.on('PreInit', function () {
        return registerEventsAndFilters(editor, pasteBin, pasteFormat);
      });
      return {
        pasteFormat: pasteFormat,
        pasteHtml: function (html, internalFlag) {
          return pasteHtml$1(editor, html, internalFlag);
        },
        pasteText: function (text) {
          return pasteText(editor, text);
        },
        pasteImageData: function (e, rng) {
          return pasteImageData(editor, e, rng);
        },
        getDataTransferItems: getDataTransferItems,
        hasHtmlOrText: hasHtmlOrText,
        hasContentType: hasContentType
      };
    };

    var hasWorkingClipboardApi = function (clipboardData) {
      return global$1.iOS === false && clipboardData !== undefined && typeof clipboardData.setData === 'function' && isMsEdge() !== true;
    };
    var setHtml5Clipboard = function (clipboardData, html, text) {
      if (hasWorkingClipboardApi(clipboardData)) {
        try {
          clipboardData.clearData();
          clipboardData.setData('text/html', html);
          clipboardData.setData('text/plain', text);
          clipboardData.setData(internalHtmlMime(), html);
          return true;
        } catch (e) {
          return false;
        }
      } else {
        return false;
      }
    };
    var setClipboardData = function (evt, data, fallback, done) {
      if (setHtml5Clipboard(evt.clipboardData, data.html, data.text)) {
        evt.preventDefault();
        done();
      } else {
        fallback(data.html, done);
      }
    };
    var fallback = function (editor) {
      return function (html, done) {
        var markedHtml = mark(html);
        var outer = editor.dom.create('div', {
          'contenteditable': 'false',
          'data-mce-bogus': 'all'
        });
        var inner = editor.dom.create('div', { contenteditable: 'true' }, markedHtml);
        editor.dom.setStyles(outer, {
          position: 'fixed',
          top: '0',
          left: '-3000px',
          width: '1000px',
          overflow: 'hidden'
        });
        outer.appendChild(inner);
        editor.dom.add(editor.getBody(), outer);
        var range = editor.selection.getRng();
        inner.focus();
        var offscreenRange = editor.dom.createRng();
        offscreenRange.selectNodeContents(inner);
        editor.selection.setRng(offscreenRange);
        global$2.setTimeout(function () {
          editor.selection.setRng(range);
          outer.parentNode.removeChild(outer);
          done();
        }, 0);
      };
    };
    var getData = function (editor) {
      return {
        html: editor.selection.getContent({ contextual: true }),
        text: editor.selection.getContent({ format: 'text' })
      };
    };
    var isTableSelection = function (editor) {
      return !!editor.dom.getParent(editor.selection.getStart(), 'td[data-mce-selected],th[data-mce-selected]', editor.getBody());
    };
    var hasSelectedContent = function (editor) {
      return !editor.selection.isCollapsed() || isTableSelection(editor);
    };
    var cut = function (editor) {
      return function (evt) {
        if (hasSelectedContent(editor)) {
          setClipboardData(evt, getData(editor), fallback(editor), function () {
            if (global$1.browser.isChrome()) {
              var rng_1 = editor.selection.getRng();
              global$2.setEditorTimeout(editor, function () {
                editor.selection.setRng(rng_1);
                editor.execCommand('Delete');
              }, 0);
            } else {
              editor.execCommand('Delete');
            }
          });
        }
      };
    };
    var copy = function (editor) {
      return function (evt) {
        if (hasSelectedContent(editor)) {
          setClipboardData(evt, getData(editor), fallback(editor), function () {
          });
        }
      };
    };
    var register$1 = function (editor) {
      editor.on('cut', cut(editor));
      editor.on('copy', copy(editor));
    };

    var global$b = tinymce.util.Tools.resolve('tinymce.dom.RangeUtils');

    var getCaretRangeFromEvent = function (editor, e) {
      return global$b.getCaretRangeFromPoint(e.clientX, e.clientY, editor.getDoc());
    };
    var isPlainTextFileUrl = function (content) {
      var plainTextContent = content['text/plain'];
      return plainTextContent ? plainTextContent.indexOf('file://') === 0 : false;
    };
    var setFocusedRange = function (editor, rng) {
      editor.focus();
      editor.selection.setRng(rng);
    };
    var setup = function (editor, clipboard, draggingInternallyState) {
      if (shouldBlockDrop(editor)) {
        editor.on('dragend dragover draggesture dragdrop drop drag', function (e) {
          e.preventDefault();
          e.stopPropagation();
        });
      }
      if (!shouldPasteDataImages(editor)) {
        editor.on('drop', function (e) {
          var dataTransfer = e.dataTransfer;
          if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
            e.preventDefault();
          }
        });
      }
      editor.on('drop', function (e) {
        var dropContent, rng;
        rng = getCaretRangeFromEvent(editor, e);
        if (e.isDefaultPrevented() || draggingInternallyState.get()) {
          return;
        }
        dropContent = clipboard.getDataTransferItems(e.dataTransfer);
        var internal = clipboard.hasContentType(dropContent, internalHtmlMime());
        if ((!clipboard.hasHtmlOrText(dropContent) || isPlainTextFileUrl(dropContent)) && clipboard.pasteImageData(e, rng)) {
          return;
        }
        if (rng && shouldFilterDrop(editor)) {
          var content_1 = dropContent['mce-internal'] || dropContent['text/html'] || dropContent['text/plain'];
          if (content_1) {
            e.preventDefault();
            global$2.setEditorTimeout(editor, function () {
              editor.undoManager.transact(function () {
                if (dropContent['mce-internal']) {
                  editor.execCommand('Delete');
                }
                setFocusedRange(editor, rng);
                content_1 = trimHtml(content_1);
                if (!dropContent['text/html']) {
                  clipboard.pasteText(content_1);
                } else {
                  clipboard.pasteHtml(content_1, internal);
                }
              });
            });
          }
        }
      });
      editor.on('dragstart', function (_e) {
        draggingInternallyState.set(true);
      });
      editor.on('dragover dragend', function (e) {
        if (shouldPasteDataImages(editor) && draggingInternallyState.get() === false) {
          e.preventDefault();
          setFocusedRange(editor, getCaretRangeFromEvent(editor, e));
        }
        if (e.type === 'dragend') {
          draggingInternallyState.set(false);
        }
      });
    };

    var setup$1 = function (editor) {
      var plugin = editor.plugins.paste;
      var preProcess = getPreProcess(editor);
      if (preProcess) {
        editor.on('PastePreProcess', function (e) {
          preProcess.call(plugin, plugin, e);
        });
      }
      var postProcess = getPostProcess(editor);
      if (postProcess) {
        editor.on('PastePostProcess', function (e) {
          postProcess.call(plugin, plugin, e);
        });
      }
    };

    function addPreProcessFilter(editor, filterFunc) {
      editor.on('PastePreProcess', function (e) {
        e.content = filterFunc(editor, e.content, e.internal, e.wordContent);
      });
    }
    function addPostProcessFilter(editor, filterFunc) {
      editor.on('PastePostProcess', function (e) {
        filterFunc(editor, e.node);
      });
    }
    function removeExplorerBrElementsAfterBlocks(editor, html) {
      if (!isWordContent(html)) {
        return html;
      }
      var blockElements = [];
      global$4.each(editor.schema.getBlockElements(), function (block, blockName) {
        blockElements.push(blockName);
      });
      var explorerBlocksRegExp = new RegExp('(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*(<\\/?(' + blockElements.join('|') + ')[^>]*>)(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*', 'g');
      html = filter$1(html, [[
          explorerBlocksRegExp,
          '$1'
        ]]);
      html = filter$1(html, [
        [
          /<br><br>/g,
          '<BR><BR>'
        ],
        [
          /<br>/g,
          ' '
        ],
        [
          /<BR><BR>/g,
          '<br>'
        ]
      ]);
      return html;
    }
    function removeWebKitStyles(editor, content, internal, isWordHtml) {
      if (isWordHtml || internal) {
        return content;
      }
      var webKitStylesSetting = getWebkitStyles(editor);
      var webKitStyles;
      if (shouldRemoveWebKitStyles(editor) === false || webKitStylesSetting === 'all') {
        return content;
      }
      if (webKitStylesSetting) {
        webKitStyles = webKitStylesSetting.split(/[, ]/);
      }
      if (webKitStyles) {
        var dom_1 = editor.dom, node_1 = editor.selection.getNode();
        content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, function (all, before, value, after) {
          var inputStyles = dom_1.parseStyle(dom_1.decode(value));
          var outputStyles = {};
          if (webKitStyles === 'none') {
            return before + after;
          }
          for (var i = 0; i < webKitStyles.length; i++) {
            var inputValue = inputStyles[webKitStyles[i]], currentValue = dom_1.getStyle(node_1, webKitStyles[i], true);
            if (/color/.test(webKitStyles[i])) {
              inputValue = dom_1.toHex(inputValue);
              currentValue = dom_1.toHex(currentValue);
            }
            if (currentValue !== inputValue) {
              outputStyles[webKitStyles[i]] = inputValue;
            }
          }
          outputStyles = dom_1.serializeStyle(outputStyles, 'span');
          if (outputStyles) {
            return before + ' style="' + outputStyles + '"' + after;
          }
          return before + after;
        });
      } else {
        content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, '$1$3');
      }
      content = content.replace(/(<[^>]+) data-mce-style="([^"]+)"([^>]*>)/gi, function (all, before, value, after) {
        return before + ' style="' + value + '"' + after;
      });
      return content;
    }
    function removeUnderlineAndFontInAnchor(editor, root) {
      editor.$('a', root).find('font,u').each(function (i, node) {
        editor.dom.remove(node, true);
      });
    }
    var setup$2 = function (editor) {
      if (global$1.webkit) {
        addPreProcessFilter(editor, removeWebKitStyles);
      }
      if (global$1.ie) {
        addPreProcessFilter(editor, removeExplorerBrElementsAfterBlocks);
        addPostProcessFilter(editor, removeUnderlineAndFontInAnchor);
      }
    };

    var makeSetupHandler = function (editor, clipboard) {
      return function (api) {
        api.setActive(clipboard.pasteFormat.get() === 'text');
        var pastePlainTextToggleHandler = function (e) {
          return api.setActive(e.state);
        };
        editor.on('PastePlainTextToggle', pastePlainTextToggleHandler);
        return function () {
          return editor.off('PastePlainTextToggle', pastePlainTextToggleHandler);
        };
      };
    };
    var register$2 = function (editor, clipboard) {
      editor.ui.registry.addToggleButton('pastetext', {
        active: false,
        icon: 'paste-text',
        tooltip: 'Paste as text',
        onAction: function () {
          return editor.execCommand('mceTogglePlainTextPaste');
        },
        onSetup: makeSetupHandler(editor, clipboard)
      });
      editor.ui.registry.addToggleMenuItem('pastetext', {
        text: 'Paste as text',
        icon: 'paste-text',
        onAction: function () {
          return editor.execCommand('mceTogglePlainTextPaste');
        },
        onSetup: makeSetupHandler(editor, clipboard)
      });
    };

    function Plugin () {
      global.add('paste', function (editor) {
        if (hasProPlugin(editor) === false) {
          var draggingInternallyState = Cell(false);
          var pasteFormat = Cell(isPasteAsTextEnabled(editor) ? 'text' : 'html');
          var clipboard = Clipboard(editor, pasteFormat);
          var quirks = setup$2(editor);
          register$2(editor, clipboard);
          register(editor, clipboard);
          setup$1(editor);
          register$1(editor);
          setup(editor, clipboard, draggingInternallyState);
          return get(clipboard, quirks);
        }
      });
    }

    Plugin();

}(window));