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editor.js (45316B)

---

 /**
  * @output wp-admin/js/editor.js
  */
 
 window.wp = window.wp || {};
 
 ( function( $, wp ) {
 	wp.editor = wp.editor || {};
 
 	/**
 	 * Utility functions for the editor.
 	 *
 	 * @since 2.5.0
 	 */
 	function SwitchEditors() {
 		var tinymce, $$,
 			exports = {};
 
 		function init() {
 			if ( ! tinymce && window.tinymce ) {
 				tinymce = window.tinymce;
 				$$ = tinymce.$;
 
 				/**
 				 * Handles onclick events for the Visual/Text tabs.
 				 *
 				 * @since 4.3.0
 				 *
 				 * @return {void}
 				 */
 				$$( document ).on( 'click', function( event ) {
 					var id, mode,
 						target = $$( event.target );
 
 					if ( target.hasClass( 'wp-switch-editor' ) ) {
 						id = target.attr( 'data-wp-editor-id' );
 						mode = target.hasClass( 'switch-tmce' ) ? 'tmce' : 'html';
 						switchEditor( id, mode );
 					}
 				});
 			}
 		}
 
 		/**
 		 * Returns the height of the editor toolbar(s) in px.
 		 *
 		 * @since 3.9.0
 		 *
 		 * @param {Object} editor The TinyMCE editor.
 		 * @return {number} If the height is between 10 and 200 return the height,
 		 * else return 30.
 		 */
 		function getToolbarHeight( editor ) {
 			var node = $$( '.mce-toolbar-grp', editor.getContainer() )[0],
 				height = node && node.clientHeight;
 
 			if ( height && height > 10 && height < 200 ) {
 				return parseInt( height, 10 );
 			}
 
 			return 30;
 		}
 
 		/**
 		 * Switches the editor between Visual and Text mode.
 		 *
 		 * @since 2.5.0
 		 *
 		 * @memberof switchEditors
 		 *
 		 * @param {string} id The id of the editor you want to change the editor mode for. Default: `content`.
 		 * @param {string} mode The mode you want to switch to. Default: `toggle`.
 		 * @return {void}
 		 */
 		function switchEditor( id, mode ) {
 			id = id || 'content';
 			mode = mode || 'toggle';
 
 			var editorHeight, toolbarHeight, iframe,
 				editor = tinymce.get( id ),
 				wrap = $$( '#wp-' + id + '-wrap' ),
 				$textarea = $$( '#' + id ),
 				textarea = $textarea[0];
 
 			if ( 'toggle' === mode ) {
 				if ( editor && ! editor.isHidden() ) {
 					mode = 'html';
 				} else {
 					mode = 'tmce';
 				}
 			}
 
 			if ( 'tmce' === mode || 'tinymce' === mode ) {
 				// If the editor is visible we are already in `tinymce` mode.
 				if ( editor && ! editor.isHidden() ) {
 					return false;
 				}
 
 				// Insert closing tags for any open tags in QuickTags.
 				if ( typeof( window.QTags ) !== 'undefined' ) {
 					window.QTags.closeAllTags( id );
 				}
 
 				editorHeight = parseInt( textarea.style.height, 10 ) || 0;
 
 				var keepSelection = false;
 				if ( editor ) {
 					keepSelection = editor.getParam( 'wp_keep_scroll_position' );
 				} else {
 					keepSelection = window.tinyMCEPreInit.mceInit[ id ] &&
 									window.tinyMCEPreInit.mceInit[ id ].wp_keep_scroll_position;
 				}
 
 				if ( keepSelection ) {
 					// Save the selection.
 					addHTMLBookmarkInTextAreaContent( $textarea );
 				}
 
 				if ( editor ) {
 					editor.show();
 
 					// No point to resize the iframe in iOS.
 					if ( ! tinymce.Env.iOS && editorHeight ) {
 						toolbarHeight = getToolbarHeight( editor );
 						editorHeight = editorHeight - toolbarHeight + 14;
 
 						// Sane limit for the editor height.
 						if ( editorHeight > 50 && editorHeight < 5000 ) {
 							editor.theme.resizeTo( null, editorHeight );
 						}
 					}
 
 					if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
 						// Restore the selection.
 						focusHTMLBookmarkInVisualEditor( editor );
 					}
 				} else {
 					tinymce.init( window.tinyMCEPreInit.mceInit[ id ] );
 				}
 
 				wrap.removeClass( 'html-active' ).addClass( 'tmce-active' );
 				$textarea.attr( 'aria-hidden', true );
 				window.setUserSetting( 'editor', 'tinymce' );
 
 			} else if ( 'html' === mode ) {
 				// If the editor is hidden (Quicktags is shown) we don't need to switch.
 				if ( editor && editor.isHidden() ) {
 					return false;
 				}
 
 				if ( editor ) {
 					// Don't resize the textarea in iOS.
 					// The iframe is forced to 100% height there, we shouldn't match it.
 					if ( ! tinymce.Env.iOS ) {
 						iframe = editor.iframeElement;
 						editorHeight = iframe ? parseInt( iframe.style.height, 10 ) : 0;
 
 						if ( editorHeight ) {
 							toolbarHeight = getToolbarHeight( editor );
 							editorHeight = editorHeight + toolbarHeight - 14;
 
 							// Sane limit for the textarea height.
 							if ( editorHeight > 50 && editorHeight < 5000 ) {
 								textarea.style.height = editorHeight + 'px';
 							}
 						}
 					}
 
 					var selectionRange = null;
 
 					if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
 						selectionRange = findBookmarkedPosition( editor );
 					}
 
 					editor.hide();
 
 					if ( selectionRange ) {
 						selectTextInTextArea( editor, selectionRange );
 					}
 				} else {
 					// There is probably a JS error on the page.
 					// The TinyMCE editor instance doesn't exist. Show the textarea.
 					$textarea.css({ 'display': '', 'visibility': '' });
 				}
 
 				wrap.removeClass( 'tmce-active' ).addClass( 'html-active' );
 				$textarea.attr( 'aria-hidden', false );
 				window.setUserSetting( 'editor', 'html' );
 			}
 		}
 
 		/**
 		 * Checks if a cursor is inside an HTML tag or comment.
 		 *
 		 * In order to prevent breaking HTML tags when selecting text, the cursor
 		 * must be moved to either the start or end of the tag.
 		 *
 		 * This will prevent the selection marker to be inserted in the middle of an HTML tag.
 		 *
 		 * This function gives information whether the cursor is inside a tag or not, as well as
 		 * the tag type, if it is a closing tag and check if the HTML tag is inside a shortcode tag,
 		 * e.g. `[caption]<img.../>..`.
 		 *
 		 * @param {string} content The test content where the cursor is.
 		 * @param {number} cursorPosition The cursor position inside the content.
 		 *
 		 * @return {(null|Object)} Null if cursor is not in a tag, Object if the cursor is inside a tag.
 		 */
 		function getContainingTagInfo( content, cursorPosition ) {
 			var lastLtPos = content.lastIndexOf( '<', cursorPosition - 1 ),
 				lastGtPos = content.lastIndexOf( '>', cursorPosition );
 
 			if ( lastLtPos > lastGtPos || content.substr( cursorPosition, 1 ) === '>' ) {
 				// Find what the tag is.
 				var tagContent = content.substr( lastLtPos ),
 					tagMatch = tagContent.match( /<\s*(\/)?(\w+|\!-{2}.*-{2})/ );
 
 				if ( ! tagMatch ) {
 					return null;
 				}
 
 				var tagType = tagMatch[2],
 					closingGt = tagContent.indexOf( '>' );
 
 				return {
 					ltPos: lastLtPos,
 					gtPos: lastLtPos + closingGt + 1, // Offset by one to get the position _after_ the character.
 					tagType: tagType,
 					isClosingTag: !! tagMatch[1]
 				};
 			}
 			return null;
 		}
 
 		/**
 		 * Checks if the cursor is inside a shortcode
 		 *
 		 * If the cursor is inside a shortcode wrapping tag, e.g. `[caption]` it's better to
 		 * move the selection marker to before or after the shortcode.
 		 *
 		 * For example `[caption]` rewrites/removes anything that's between the `[caption]` tag and the
 		 * `<img/>` tag inside.
 		 *
 		 * `[caption]<span>ThisIsGone</span><img .../>[caption]`
 		 *
 		 * Moving the selection to before or after the short code is better, since it allows to select
 		 * something, instead of just losing focus and going to the start of the content.
 		 *
 		 * @param {string} content The text content to check against.
 		 * @param {number} cursorPosition    The cursor position to check.
 		 *
 		 * @return {(undefined|Object)} Undefined if the cursor is not wrapped in a shortcode tag.
 		 *                              Information about the wrapping shortcode tag if it's wrapped in one.
 		 */
 		function getShortcodeWrapperInfo( content, cursorPosition ) {
 			var contentShortcodes = getShortCodePositionsInText( content );
 
 			for ( var i = 0; i < contentShortcodes.length; i++ ) {
 				var element = contentShortcodes[ i ];
 
 				if ( cursorPosition >= element.startIndex && cursorPosition <= element.endIndex ) {
 					return element;
 				}
 			}
 		}
 
 		/**
 		 * Gets a list of unique shortcodes or shortcode-look-alikes in the content.
 		 *
 		 * @param {string} content The content we want to scan for shortcodes.
 		 */
 		function getShortcodesInText( content ) {
 			var shortcodes = content.match( /\[+([\w_-])+/g ),
 				result = [];
 
 			if ( shortcodes ) {
 				for ( var i = 0; i < shortcodes.length; i++ ) {
 					var shortcode = shortcodes[ i ].replace( /^\[+/g, '' );
 
 					if ( result.indexOf( shortcode ) === -1 ) {
 						result.push( shortcode );
 					}
 				}
 			}
 
 			return result;
 		}
 
 		/**
 		 * Gets all shortcodes and their positions in the content
 		 *
 		 * This function returns all the shortcodes that could be found in the textarea content
 		 * along with their character positions and boundaries.
 		 *
 		 * This is used to check if the selection cursor is inside the boundaries of a shortcode
 		 * and move it accordingly, to avoid breakage.
 		 *
 		 * @link adjustTextAreaSelectionCursors
 		 *
 		 * The information can also be used in other cases when we need to lookup shortcode data,
 		 * as it's already structured!
 		 *
 		 * @param {string} content The content we want to scan for shortcodes
 		 */
 		function getShortCodePositionsInText( content ) {
 			var allShortcodes = getShortcodesInText( content ), shortcodeInfo;
 
 			if ( allShortcodes.length === 0 ) {
 				return [];
 			}
 
 			var shortcodeDetailsRegexp = wp.shortcode.regexp( allShortcodes.join( '|' ) ),
 				shortcodeMatch, // Define local scope for the variable to be used in the loop below.
 				shortcodesDetails = [];
 
 			while ( shortcodeMatch = shortcodeDetailsRegexp.exec( content ) ) {
 				/**
 				 * Check if the shortcode should be shown as plain text.
 				 *
 				 * This corresponds to the [[shortcode]] syntax, which doesn't parse the shortcode
 				 * and just shows it as text.
 				 */
 				var showAsPlainText = shortcodeMatch[1] === '[';
 
 				shortcodeInfo = {
 					shortcodeName: shortcodeMatch[2],
 					showAsPlainText: showAsPlainText,
 					startIndex: shortcodeMatch.index,
 					endIndex: shortcodeMatch.index + shortcodeMatch[0].length,
 					length: shortcodeMatch[0].length
 				};
 
 				shortcodesDetails.push( shortcodeInfo );
 			}
 
 			/**
 			 * Get all URL matches, and treat them as embeds.
 			 *
 			 * Since there isn't a good way to detect if a URL by itself on a line is a previewable
 			 * object, it's best to treat all of them as such.
 			 *
 			 * This means that the selection will capture the whole URL, in a similar way shrotcodes
 			 * are treated.
 			 */
 			var urlRegexp = new RegExp(
 				'(^|[\\n\\r][\\n\\r]|<p>)(https?:\\/\\/[^\s"]+?)(<\\/p>\s*|[\\n\\r][\\n\\r]|$)', 'gi'
 			);
 
 			while ( shortcodeMatch = urlRegexp.exec( content ) ) {
 				shortcodeInfo = {
 					shortcodeName: 'url',
 					showAsPlainText: false,
 					startIndex: shortcodeMatch.index,
 					endIndex: shortcodeMatch.index + shortcodeMatch[ 0 ].length,
 					length: shortcodeMatch[ 0 ].length,
 					urlAtStartOfContent: shortcodeMatch[ 1 ] === '',
 					urlAtEndOfContent: shortcodeMatch[ 3 ] === ''
 				};
 
 				shortcodesDetails.push( shortcodeInfo );
 			}
 
 			return shortcodesDetails;
 		}
 
 		/**
 		 * Generate a cursor marker element to be inserted in the content.
 		 *
 		 * `span` seems to be the least destructive element that can be used.
 		 *
 		 * Using DomQuery syntax to create it, since it's used as both text and as a DOM element.
 		 *
 		 * @param {Object} domLib DOM library instance.
 		 * @param {string} content The content to insert into the cursor marker element.
 		 */
 		function getCursorMarkerSpan( domLib, content ) {
 			return domLib( '<span>' ).css( {
 						display: 'inline-block',
 						width: 0,
 						overflow: 'hidden',
 						'line-height': 0
 					} )
 					.html( content ? content : '' );
 		}
 
 		/**
 		 * Gets adjusted selection cursor positions according to HTML tags, comments, and shortcodes.
 		 *
 		 * Shortcodes and HTML codes are a bit of a special case when selecting, since they may render
 		 * content in Visual mode. If we insert selection markers somewhere inside them, it's really possible
 		 * to break the syntax and render the HTML tag or shortcode broken.
 		 *
 		 * @link getShortcodeWrapperInfo
 		 *
 		 * @param {string} content Textarea content that the cursors are in
 		 * @param {{cursorStart: number, cursorEnd: number}} cursorPositions Cursor start and end positions
 		 *
 		 * @return {{cursorStart: number, cursorEnd: number}}
 		 */
 		function adjustTextAreaSelectionCursors( content, cursorPositions ) {
 			var voidElements = [
 				'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input',
 				'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
 			];
 
 			var cursorStart = cursorPositions.cursorStart,
 				cursorEnd = cursorPositions.cursorEnd,
 				// Check if the cursor is in a tag and if so, adjust it.
 				isCursorStartInTag = getContainingTagInfo( content, cursorStart );
 
 			if ( isCursorStartInTag ) {
 				/**
 				 * Only move to the start of the HTML tag (to select the whole element) if the tag
 				 * is part of the voidElements list above.
 				 *
 				 * This list includes tags that are self-contained and don't need a closing tag, according to the
 				 * HTML5 specification.
 				 *
 				 * This is done in order to make selection of text a bit more consistent when selecting text in
 				 * `<p>` tags or such.
 				 *
 				 * In cases where the tag is not a void element, the cursor is put to the end of the tag,
 				 * so it's either between the opening and closing tag elements or after the closing tag.
 				 */
 				if ( voidElements.indexOf( isCursorStartInTag.tagType ) !== -1 ) {
 					cursorStart = isCursorStartInTag.ltPos;
 				} else {
 					cursorStart = isCursorStartInTag.gtPos;
 				}
 			}
 
 			var isCursorEndInTag = getContainingTagInfo( content, cursorEnd );
 			if ( isCursorEndInTag ) {
 				cursorEnd = isCursorEndInTag.gtPos;
 			}
 
 			var isCursorStartInShortcode = getShortcodeWrapperInfo( content, cursorStart );
 			if ( isCursorStartInShortcode && ! isCursorStartInShortcode.showAsPlainText ) {
 				/**
 				 * If a URL is at the start or the end of the content,
 				 * the selection doesn't work, because it inserts a marker in the text,
 				 * which breaks the embedURL detection.
 				 *
 				 * The best way to avoid that and not modify the user content is to
 				 * adjust the cursor to either after or before URL.
 				 */
 				if ( isCursorStartInShortcode.urlAtStartOfContent ) {
 					cursorStart = isCursorStartInShortcode.endIndex;
 				} else {
 					cursorStart = isCursorStartInShortcode.startIndex;
 				}
 			}
 
 			var isCursorEndInShortcode = getShortcodeWrapperInfo( content, cursorEnd );
 			if ( isCursorEndInShortcode && ! isCursorEndInShortcode.showAsPlainText ) {
 				if ( isCursorEndInShortcode.urlAtEndOfContent ) {
 					cursorEnd = isCursorEndInShortcode.startIndex;
 				} else {
 					cursorEnd = isCursorEndInShortcode.endIndex;
 				}
 			}
 
 			return {
 				cursorStart: cursorStart,
 				cursorEnd: cursorEnd
 			};
 		}
 
 		/**
 		 * Adds text selection markers in the editor textarea.
 		 *
 		 * Adds selection markers in the content of the editor `textarea`.
 		 * The method directly manipulates the `textarea` content, to allow TinyMCE plugins
 		 * to run after the markers are added.
 		 *
 		 * @param {Object} $textarea TinyMCE's textarea wrapped as a DomQuery object
 		 */
 		function addHTMLBookmarkInTextAreaContent( $textarea ) {
 			if ( ! $textarea || ! $textarea.length ) {
 				// If no valid $textarea object is provided, there's nothing we can do.
 				return;
 			}
 
 			var textArea = $textarea[0],
 				textAreaContent = textArea.value,
 
 				adjustedCursorPositions = adjustTextAreaSelectionCursors( textAreaContent, {
 					cursorStart: textArea.selectionStart,
 					cursorEnd: textArea.selectionEnd
 				} ),
 
 				htmlModeCursorStartPosition = adjustedCursorPositions.cursorStart,
 				htmlModeCursorEndPosition = adjustedCursorPositions.cursorEnd,
 
 				mode = htmlModeCursorStartPosition !== htmlModeCursorEndPosition ? 'range' : 'single',
 
 				selectedText = null,
 				cursorMarkerSkeleton = getCursorMarkerSpan( $$, '&#65279;' ).attr( 'data-mce-type','bookmark' );
 
 			if ( mode === 'range' ) {
 				var markedText = textArea.value.slice( htmlModeCursorStartPosition, htmlModeCursorEndPosition ),
 					bookMarkEnd = cursorMarkerSkeleton.clone().addClass( 'mce_SELRES_end' );
 
 				selectedText = [
 					markedText,
 					bookMarkEnd[0].outerHTML
 				].join( '' );
 			}
 
 			textArea.value = [
 				textArea.value.slice( 0, htmlModeCursorStartPosition ), // Text until the cursor/selection position.
 				cursorMarkerSkeleton.clone()							// Cursor/selection start marker.
 					.addClass( 'mce_SELRES_start' )[0].outerHTML,
 				selectedText, 											// Selected text with end cursor/position marker.
 				textArea.value.slice( htmlModeCursorEndPosition )		// Text from last cursor/selection position to end.
 			].join( '' );
 		}
 
 		/**
 		 * Focuses the selection markers in Visual mode.
 		 *
 		 * The method checks for existing selection markers inside the editor DOM (Visual mode)
 		 * and create a selection between the two nodes using the DOM `createRange` selection API
 		 *
 		 * If there is only a single node, select only the single node through TinyMCE's selection API
 		 *
 		 * @param {Object} editor TinyMCE editor instance.
 		 */
 		function focusHTMLBookmarkInVisualEditor( editor ) {
 			var startNode = editor.$( '.mce_SELRES_start' ).attr( 'data-mce-bogus', 1 ),
 				endNode = editor.$( '.mce_SELRES_end' ).attr( 'data-mce-bogus', 1 );
 
 			if ( startNode.length ) {
 				editor.focus();
 
 				if ( ! endNode.length ) {
 					editor.selection.select( startNode[0] );
 				} else {
 					var selection = editor.getDoc().createRange();
 
 					selection.setStartAfter( startNode[0] );
 					selection.setEndBefore( endNode[0] );
 
 					editor.selection.setRng( selection );
 				}
 			}
 
 			if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
 				scrollVisualModeToStartElement( editor, startNode );
 			}
 
 			removeSelectionMarker( startNode );
 			removeSelectionMarker( endNode );
 
 			editor.save();
 		}
 
 		/**
 		 * Removes selection marker and the parent node if it is an empty paragraph.
 		 *
 		 * By default TinyMCE wraps loose inline tags in a `<p>`.
 		 * When removing selection markers an empty `<p>` may be left behind, remove it.
 		 *
 		 * @param {Object} $marker The marker to be removed from the editor DOM, wrapped in an instnce of `editor.$`
 		 */
 		function removeSelectionMarker( $marker ) {
 			var $markerParent = $marker.parent();
 
 			$marker.remove();
 
 			//Remove empty paragraph left over after removing the marker.
 			if ( $markerParent.is( 'p' ) && ! $markerParent.children().length && ! $markerParent.text() ) {
 				$markerParent.remove();
 			}
 		}
 
 		/**
 		 * Scrolls the content to place the selected element in the center of the screen.
 		 *
 		 * Takes an element, that is usually the selection start element, selected in
 		 * `focusHTMLBookmarkInVisualEditor()` and scrolls the screen so the element appears roughly
 		 * in the middle of the screen.
 		 *
 		 * I order to achieve the proper positioning, the editor media bar and toolbar are subtracted
 		 * from the window height, to get the proper viewport window, that the user sees.
 		 *
 		 * @param {Object} editor TinyMCE editor instance.
 		 * @param {Object} element HTMLElement that should be scrolled into view.
 		 */
 		function scrollVisualModeToStartElement( editor, element ) {
 			var elementTop = editor.$( element ).offset().top,
 				TinyMCEContentAreaTop = editor.$( editor.getContentAreaContainer() ).offset().top,
 
 				toolbarHeight = getToolbarHeight( editor ),
 
 				edTools = $( '#wp-content-editor-tools' ),
 				edToolsHeight = 0,
 				edToolsOffsetTop = 0,
 
 				$scrollArea;
 
 			if ( edTools.length ) {
 				edToolsHeight = edTools.height();
 				edToolsOffsetTop = edTools.offset().top;
 			}
 
 			var windowHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight,
 
 				selectionPosition = TinyMCEContentAreaTop + elementTop,
 				visibleAreaHeight = windowHeight - ( edToolsHeight + toolbarHeight );
 
 			// There's no need to scroll if the selection is inside the visible area.
 			if ( selectionPosition < visibleAreaHeight ) {
 				return;
 			}
 
 			/**
 			 * The minimum scroll height should be to the top of the editor, to offer a consistent
 			 * experience.
 			 *
 			 * In order to find the top of the editor, we calculate the offset of `#wp-content-editor-tools` and
 			 * subtracting the height. This gives the scroll position where the top of the editor tools aligns with
 			 * the top of the viewport (under the Master Bar)
 			 */
 			var adjustedScroll;
 			if ( editor.settings.wp_autoresize_on ) {
 				$scrollArea = $( 'html,body' );
 				adjustedScroll = Math.max( selectionPosition - visibleAreaHeight / 2, edToolsOffsetTop - edToolsHeight );
 			} else {
 				$scrollArea = $( editor.contentDocument ).find( 'html,body' );
 				adjustedScroll = elementTop;
 			}
 
 			$scrollArea.animate( {
 				scrollTop: parseInt( adjustedScroll, 10 )
 			}, 100 );
 		}
 
 		/**
 		 * This method was extracted from the `SaveContent` hook in
 		 * `wp-includes/js/tinymce/plugins/wordpress/plugin.js`.
 		 *
 		 * It's needed here, since the method changes the content a bit, which confuses the cursor position.
 		 *
 		 * @param {Object} event TinyMCE event object.
 		 */
 		function fixTextAreaContent( event ) {
 			// Keep empty paragraphs :(
 			event.content = event.content.replace( /<p>(?:<br ?\/?>|\u00a0|\uFEFF| )*<\/p>/g, '<p>&nbsp;</p>' );
 		}
 
 		/**
 		 * Finds the current selection position in the Visual editor.
 		 *
 		 * Find the current selection in the Visual editor by inserting marker elements at the start
 		 * and end of the selection.
 		 *
 		 * Uses the standard DOM selection API to achieve that goal.
 		 *
 		 * Check the notes in the comments in the code below for more information on some gotchas
 		 * and why this solution was chosen.
 		 *
 		 * @param {Object} editor The editor where we must find the selection.
 		 * @return {(null|Object)} The selection range position in the editor.
 		 */
 		function findBookmarkedPosition( editor ) {
 			// Get the TinyMCE `window` reference, since we need to access the raw selection.
 			var TinyMCEWindow = editor.getWin(),
 				selection = TinyMCEWindow.getSelection();
 
 			if ( ! selection || selection.rangeCount < 1 ) {
 				// no selection, no need to continue.
 				return;
 			}
 
 			/**
 			 * The ID is used to avoid replacing user generated content, that may coincide with the
 			 * format specified below.
 			 * @type {string}
 			 */
 			var selectionID = 'SELRES_' + Math.random();
 
 			/**
 			 * Create two marker elements that will be used to mark the start and the end of the range.
 			 *
 			 * The elements have hardcoded style that makes them invisible. This is done to avoid seeing
 			 * random content flickering in the editor when switching between modes.
 			 */
 			var spanSkeleton = getCursorMarkerSpan( editor.$, selectionID ),
 				startElement = spanSkeleton.clone().addClass( 'mce_SELRES_start' ),
 				endElement = spanSkeleton.clone().addClass( 'mce_SELRES_end' );
 
 			/**
 			 * Inspired by:
 			 * @link https://stackoverflow.com/a/17497803/153310
 			 *
 			 * Why do it this way and not with TinyMCE's bookmarks?
 			 *
 			 * TinyMCE's bookmarks are very nice when working with selections and positions, BUT
 			 * there is no way to determine the precise position of the bookmark when switching modes, since
 			 * TinyMCE does some serialization of the content, to fix things like shortcodes, run plugins, prettify
 			 * HTML code and so on. In this process, the bookmark markup gets lost.
 			 *
 			 * If we decide to hook right after the bookmark is added, we can see where the bookmark is in the raw HTML
 			 * in TinyMCE. Unfortunately this state is before the serialization, so any visual markup in the content will
 			 * throw off the positioning.
 			 *
 			 * To avoid this, we insert two custom `span`s that will serve as the markers at the beginning and end of the
 			 * selection.
 			 *
 			 * Why not use TinyMCE's selection API or the DOM API to wrap the contents? Because if we do that, this creates
 			 * a new node, which is inserted in the dom. Now this will be fine, if we worked with fixed selections to
 			 * full nodes. Unfortunately in our case, the user can select whatever they like, which means that the
 			 * selection may start in the middle of one node and end in the middle of a completely different one. If we
 			 * wrap the selection in another node, this will create artifacts in the content.
 			 *
 			 * Using the method below, we insert the custom `span` nodes at the start and at the end of the selection.
 			 * This helps us not break the content and also gives us the option to work with multi-node selections without
 			 * breaking the markup.
 			 */
 			var range = selection.getRangeAt( 0 ),
 				startNode = range.startContainer,
 				startOffset = range.startOffset,
 				boundaryRange = range.cloneRange();
 
 			/**
 			 * If the selection is on a shortcode with Live View, TinyMCE creates a bogus markup,
 			 * which we have to account for.
 			 */
 			if ( editor.$( startNode ).parents( '.mce-offscreen-selection' ).length > 0 ) {
 				startNode = editor.$( '[data-mce-selected]' )[0];
 
 				/**
 				 * Marking the start and end element with `data-mce-object-selection` helps
 				 * discern when the selected object is a Live Preview selection.
 				 *
 				 * This way we can adjust the selection to properly select only the content, ignoring
 				 * whitespace inserted around the selected object by the Editor.
 				 */
 				startElement.attr( 'data-mce-object-selection', 'true' );
 				endElement.attr( 'data-mce-object-selection', 'true' );
 
 				editor.$( startNode ).before( startElement[0] );
 				editor.$( startNode ).after( endElement[0] );
 			} else {
 				boundaryRange.collapse( false );
 				boundaryRange.insertNode( endElement[0] );
 
 				boundaryRange.setStart( startNode, startOffset );
 				boundaryRange.collapse( true );
 				boundaryRange.insertNode( startElement[0] );
 
 				range.setStartAfter( startElement[0] );
 				range.setEndBefore( endElement[0] );
 				selection.removeAllRanges();
 				selection.addRange( range );
 			}
 
 			/**
 			 * Now the editor's content has the start/end nodes.
 			 *
 			 * Unfortunately the content goes through some more changes after this step, before it gets inserted
 			 * in the `textarea`. This means that we have to do some minor cleanup on our own here.
 			 */
 			editor.on( 'GetContent', fixTextAreaContent );
 
 			var content = removep( editor.getContent() );
 
 			editor.off( 'GetContent', fixTextAreaContent );
 
 			startElement.remove();
 			endElement.remove();
 
 			var startRegex = new RegExp(
 				'<span[^>]*\\s*class="mce_SELRES_start"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>(\\s*)'
 			);
 
 			var endRegex = new RegExp(
 				'(\\s*)<span[^>]*\\s*class="mce_SELRES_end"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>'
 			);
 
 			var startMatch = content.match( startRegex ),
 				endMatch = content.match( endRegex );
 
 			if ( ! startMatch ) {
 				return null;
 			}
 
 			var startIndex = startMatch.index,
 				startMatchLength = startMatch[0].length,
 				endIndex = null;
 
 			if (endMatch) {
 				/**
 				 * Adjust the selection index, if the selection contains a Live Preview object or not.
 				 *
 				 * Check where the `data-mce-object-selection` attribute is set above for more context.
 				 */
 				if ( startMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
 					startMatchLength -= startMatch[1].length;
 				}
 
 				var endMatchIndex = endMatch.index;
 
 				if ( endMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
 					endMatchIndex -= endMatch[1].length;
 				}
 
 				// We need to adjust the end position to discard the length of the range start marker.
 				endIndex = endMatchIndex - startMatchLength;
 			}
 
 			return {
 				start: startIndex,
 				end: endIndex
 			};
 		}
 
 		/**
 		 * Selects text in the TinyMCE `textarea`.
 		 *
 		 * Selects the text in TinyMCE's textarea that's between `selection.start` and `selection.end`.
 		 *
 		 * For `selection` parameter:
 		 * @link findBookmarkedPosition
 		 *
 		 * @param {Object} editor TinyMCE's editor instance.
 		 * @param {Object} selection Selection data.
 		 */
 		function selectTextInTextArea( editor, selection ) {
 			// Only valid in the text area mode and if we have selection.
 			if ( ! selection ) {
 				return;
 			}
 
 			var textArea = editor.getElement(),
 				start = selection.start,
 				end = selection.end || selection.start;
 
 			if ( textArea.focus ) {
 				// Wait for the Visual editor to be hidden, then focus and scroll to the position.
 				setTimeout( function() {
 					textArea.setSelectionRange( start, end );
 					if ( textArea.blur ) {
 						// Defocus before focusing.
 						textArea.blur();
 					}
 					textArea.focus();
 				}, 100 );
 			}
 		}
 
 		// Restore the selection when the editor is initialized. Needed when the Text editor is the default.
 		$( document ).on( 'tinymce-editor-init.keep-scroll-position', function( event, editor ) {
 			if ( editor.$( '.mce_SELRES_start' ).length ) {
 				focusHTMLBookmarkInVisualEditor( editor );
 			}
 		} );
 
 		/**
 		 * Replaces <p> tags with two line breaks. "Opposite" of wpautop().
 		 *
 		 * Replaces <p> tags with two line breaks except where the <p> has attributes.
 		 * Unifies whitespace.
 		 * Indents <li>, <dt> and <dd> for better readability.
 		 *
 		 * @since 2.5.0
 		 *
 		 * @memberof switchEditors
 		 *
 		 * @param {string} html The content from the editor.
 		 * @return {string} The content with stripped paragraph tags.
 		 */
 		function removep( html ) {
 			var blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset|figure',
 				blocklist1 = blocklist + '|div|p',
 				blocklist2 = blocklist + '|pre',
 				preserve_linebreaks = false,
 				preserve_br = false,
 				preserve = [];
 
 			if ( ! html ) {
 				return '';
 			}
 
 			// Protect script and style tags.
 			if ( html.indexOf( '<script' ) !== -1 || html.indexOf( '<style' ) !== -1 ) {
 				html = html.replace( /<(script|style)[^>]*>[\s\S]*?<\/\1>/g, function( match ) {
 					preserve.push( match );
 					return '<wp-preserve>';
 				} );
 			}
 
 			// Protect pre tags.
 			if ( html.indexOf( '<pre' ) !== -1 ) {
 				preserve_linebreaks = true;
 				html = html.replace( /<pre[^>]*>[\s\S]+?<\/pre>/g, function( a ) {
 					a = a.replace( /<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>' );
 					a = a.replace( /<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>' );
 					return a.replace( /\r?\n/g, '<wp-line-break>' );
 				});
 			}
 
 			// Remove line breaks but keep <br> tags inside image captions.
 			if ( html.indexOf( '[caption' ) !== -1 ) {
 				preserve_br = true;
 				html = html.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
 					return a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' ).replace( /[\r\n\t]+/, '' );
 				});
 			}
 
 			// Normalize white space characters before and after block tags.
 			html = html.replace( new RegExp( '\\s*</(' + blocklist1 + ')>\\s*', 'g' ), '</$1>\n' );
 			html = html.replace( new RegExp( '\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g' ), '\n<$1>' );
 
 			// Mark </p> if it has any attributes.
 			html = html.replace( /(<p [^>]+>.*?)<\/p>/g, '$1</p#>' );
 
 			// Preserve the first <p> inside a <div>.
 			html = html.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );
 
 			// Remove paragraph tags.
 			html = html.replace( /\s*<p>/gi, '' );
 			html = html.replace( /\s*<\/p>\s*/gi, '\n\n' );
 
 			// Normalize white space chars and remove multiple line breaks.
 			html = html.replace( /\n[\s\u00a0]+\n/g, '\n\n' );
 
 			// Replace <br> tags with line breaks.
 			html = html.replace( /(\s*)<br ?\/?>\s*/gi, function( match, space ) {
 				if ( space && space.indexOf( '\n' ) !== -1 ) {
 					return '\n\n';
 				}
 
 				return '\n';
 			});
 
 			// Fix line breaks around <div>.
 			html = html.replace( /\s*<div/g, '\n<div' );
 			html = html.replace( /<\/div>\s*/g, '</div>\n' );
 
 			// Fix line breaks around caption shortcodes.
 			html = html.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
 			html = html.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );
 
 			// Pad block elements tags with a line break.
 			html = html.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
 			html = html.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );
 
 			// Indent <li>, <dt> and <dd> tags.
 			html = html.replace( /<((li|dt|dd)[^>]*)>/g, ' \t<$1>' );
 
 			// Fix line breaks around <select> and <option>.
 			if ( html.indexOf( '<option' ) !== -1 ) {
 				html = html.replace( /\s*<option/g, '\n<option' );
 				html = html.replace( /\s*<\/select>/g, '\n</select>' );
 			}
 
 			// Pad <hr> with two line breaks.
 			if ( html.indexOf( '<hr' ) !== -1 ) {
 				html = html.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
 			}
 
 			// Remove line breaks in <object> tags.
 			if ( html.indexOf( '<object' ) !== -1 ) {
 				html = html.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
 					return a.replace( /[\r\n]+/g, '' );
 				});
 			}
 
 			// Unmark special paragraph closing tags.
 			html = html.replace( /<\/p#>/g, '</p>\n' );
 
 			// Pad remaining <p> tags whit a line break.
 			html = html.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );
 
 			// Trim.
 			html = html.replace( /^\s+/, '' );
 			html = html.replace( /[\s\u00a0]+$/, '' );
 
 			if ( preserve_linebreaks ) {
 				html = html.replace( /<wp-line-break>/g, '\n' );
 			}
 
 			if ( preserve_br ) {
 				html = html.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
 			}
 
 			// Restore preserved tags.
 			if ( preserve.length ) {
 				html = html.replace( /<wp-preserve>/g, function() {
 					return preserve.shift();
 				} );
 			}
 
 			return html;
 		}
 
 		/**
 		 * Replaces two line breaks with a paragraph tag and one line break with a <br>.
 		 *
 		 * Similar to `wpautop()` in formatting.php.
 		 *
 		 * @since 2.5.0
 		 *
 		 * @memberof switchEditors
 		 *
 		 * @param {string} text The text input.
 		 * @return {string} The formatted text.
 		 */
 		function autop( text ) {
 			var preserve_linebreaks = false,
 				preserve_br = false,
 				blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre' +
 					'|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section' +
 					'|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';
 
 			// Normalize line breaks.
 			text = text.replace( /\r\n|\r/g, '\n' );
 
 			// Remove line breaks from <object>.
 			if ( text.indexOf( '<object' ) !== -1 ) {
 				text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
 					return a.replace( /\n+/g, '' );
 				});
 			}
 
 			// Remove line breaks from tags.
 			text = text.replace( /<[^<>]+>/g, function( a ) {
 				return a.replace( /[\n\t ]+/g, ' ' );
 			});
 
 			// Preserve line breaks in <pre> and <script> tags.
 			if ( text.indexOf( '<pre' ) !== -1 || text.indexOf( '<script' ) !== -1 ) {
 				preserve_linebreaks = true;
 				text = text.replace( /<(pre|script)[^>]*>[\s\S]*?<\/\1>/g, function( a ) {
 					return a.replace( /\n/g, '<wp-line-break>' );
 				});
 			}
 
 			if ( text.indexOf( '<figcaption' ) !== -1 ) {
 				text = text.replace( /\s*(<figcaption[^>]*>)/g, '$1' );
 				text = text.replace( /<\/figcaption>\s*/g, '</figcaption>' );
 			}
 
 			// Keep <br> tags inside captions.
 			if ( text.indexOf( '[caption' ) !== -1 ) {
 				preserve_br = true;
 
 				text = text.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
 					a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );
 
 					a = a.replace( /<[^<>]+>/g, function( b ) {
 						return b.replace( /[\n\t ]+/, ' ' );
 					});
 
 					return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
 				});
 			}
 
 			text = text + '\n\n';
 			text = text.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
 
 			// Pad block tags with two line breaks.
 			text = text.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n\n$1' );
 			text = text.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
 			text = text.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' );
 
 			// Remove white space chars around <option>.
 			text = text.replace( /\s*<option/gi, '<option' );
 			text = text.replace( /<\/option>\s*/gi, '</option>' );
 
 			// Normalize multiple line breaks and white space chars.
 			text = text.replace( /\n\s*\n+/g, '\n\n' );
 
 			// Convert two line breaks to a paragraph.
 			text = text.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
 
 			// Remove empty paragraphs.
 			text = text.replace( /<p>\s*?<\/p>/gi, '');
 
 			// Remove <p> tags that are around block tags.
 			text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
 			text = text.replace( /<p>(<li.+?)<\/p>/gi, '$1');
 
 			// Fix <p> in blockquotes.
 			text = text.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
 			text = text.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
 
 			// Remove <p> tags that are wrapped around block tags.
 			text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
 			text = text.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
 
 			text = text.replace( /(<br[^>]*>)\s*\n/gi, '$1' );
 
 			// Add <br> tags.
 			text = text.replace( /\s*\n/g, '<br />\n');
 
 			// Remove <br> tags that are around block tags.
 			text = text.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
 			text = text.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );
 
 			// Remove <p> and <br> around captions.
 			text = text.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
 
 			// Make sure there is <p> when there is </p> inside block tags that can contain other blocks.
 			text = text.replace( /(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g, function( a, b, c ) {
 				if ( c.match( /<p( [^>]*)?>/ ) ) {
 					return a;
 				}
 
 				return b + '<p>' + c + '</p>';
 			});
 
 			// Restore the line breaks in <pre> and <script> tags.
 			if ( preserve_linebreaks ) {
 				text = text.replace( /<wp-line-break>/g, '\n' );
 			}
 
 			// Restore the <br> tags in captions.
 			if ( preserve_br ) {
 				text = text.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
 			}
 
 			return text;
 		}
 
 		/**
 		 * Fires custom jQuery events `beforePreWpautop` and `afterPreWpautop` when jQuery is available.
 		 *
 		 * @since 2.9.0
 		 *
 		 * @memberof switchEditors
 		 *
 		 * @param {string} html The content from the visual editor.
 		 * @return {string} the filtered content.
 		 */
 		function pre_wpautop( html ) {
 			var obj = { o: exports, data: html, unfiltered: html };
 
 			if ( $ ) {
 				$( 'body' ).trigger( 'beforePreWpautop', [ obj ] );
 			}
 
 			obj.data = removep( obj.data );
 
 			if ( $ ) {
 				$( 'body' ).trigger( 'afterPreWpautop', [ obj ] );
 			}
 
 			return obj.data;
 		}
 
 		/**
 		 * Fires custom jQuery events `beforeWpautop` and `afterWpautop` when jQuery is available.
 		 *
 		 * @since 2.9.0
 		 *
 		 * @memberof switchEditors
 		 *
 		 * @param {string} text The content from the text editor.
 		 * @return {string} filtered content.
 		 */
 		function wpautop( text ) {
 			var obj = { o: exports, data: text, unfiltered: text };
 
 			if ( $ ) {
 				$( 'body' ).trigger( 'beforeWpautop', [ obj ] );
 			}
 
 			obj.data = autop( obj.data );
 
 			if ( $ ) {
 				$( 'body' ).trigger( 'afterWpautop', [ obj ] );
 			}
 
 			return obj.data;
 		}
 
 		if ( $ ) {
 			$( init );
 		} else if ( document.addEventListener ) {
 			document.addEventListener( 'DOMContentLoaded', init, false );
 			window.addEventListener( 'load', init, false );
 		} else if ( window.attachEvent ) {
 			window.attachEvent( 'onload', init );
 			document.attachEvent( 'onreadystatechange', function() {
 				if ( 'complete' === document.readyState ) {
 					init();
 				}
 			} );
 		}
 
 		wp.editor.autop = wpautop;
 		wp.editor.removep = pre_wpautop;
 
 		exports = {
 			go: switchEditor,
 			wpautop: wpautop,
 			pre_wpautop: pre_wpautop,
 			_wp_Autop: autop,
 			_wp_Nop: removep
 		};
 
 		return exports;
 	}
 
 	/**
 	 * Expose the switch editors to be used globally.
 	 *
 	 * @namespace switchEditors
 	 */
 	window.switchEditors = new SwitchEditors();
 
 	/**
 	 * Initialize TinyMCE and/or Quicktags. For use with wp_enqueue_editor() (PHP).
 	 *
 	 * Intended for use with an existing textarea that will become the Text editor tab.
 	 * The editor width will be the width of the textarea container, height will be adjustable.
 	 *
 	 * Settings for both TinyMCE and Quicktags can be passed on initialization, and are "filtered"
 	 * with custom jQuery events on the document element, wp-before-tinymce-init and wp-before-quicktags-init.
 	 *
 	 * @since 4.8.0
 	 *
 	 * @param {string} id The HTML id of the textarea that is used for the editor.
 	 *                    Has to be jQuery compliant. No brackets, special chars, etc.
 	 * @param {Object} settings Example:
 	 * settings = {
 	 *    // See https://www.tinymce.com/docs/configure/integration-and-setup/.
 	 *    // Alternatively set to `true` to use the defaults.
 	 *    tinymce: {
 	 *        setup: function( editor ) {
 	 *            console.log( 'Editor initialized', editor );
 	 *        }
 	 *    }
 	 *
 	 *    // Alternatively set to `true` to use the defaults.
 	 *	  quicktags: {
 	 *        buttons: 'strong,em,link'
 	 *    }
 	 * }
 	 */
 	wp.editor.initialize = function( id, settings ) {
 		var init;
 		var defaults;
 
 		if ( ! $ || ! id || ! wp.editor.getDefaultSettings ) {
 			return;
 		}
 
 		defaults = wp.editor.getDefaultSettings();
 
 		// Initialize TinyMCE by default.
 		if ( ! settings ) {
 			settings = {
 				tinymce: true
 			};
 		}
 
 		// Add wrap and the Visual|Text tabs.
 		if ( settings.tinymce && settings.quicktags ) {
 			var $textarea = $( '#' + id );
 
 			var $wrap = $( '<div>' ).attr( {
 					'class': 'wp-core-ui wp-editor-wrap tmce-active',
 					id: 'wp-' + id + '-wrap'
 				} );
 
 			var $editorContainer = $( '<div class="wp-editor-container">' );
 
 			var $button = $( '<button>' ).attr( {
 					type: 'button',
 					'data-wp-editor-id': id
 				} );
 
 			var $editorTools = $( '<div class="wp-editor-tools">' );
 
 			if ( settings.mediaButtons ) {
 				var buttonText = 'Add Media';
 
 				if ( window._wpMediaViewsL10n && window._wpMediaViewsL10n.addMedia ) {
 					buttonText = window._wpMediaViewsL10n.addMedia;
 				}
 
 				var $addMediaButton = $( '<button type="button" class="button insert-media add_media">' );
 
 				$addMediaButton.append( '<span class="wp-media-buttons-icon"></span>' );
 				$addMediaButton.append( document.createTextNode( ' ' + buttonText ) );
 				$addMediaButton.data( 'editor', id );
 
 				$editorTools.append(
 					$( '<div class="wp-media-buttons">' )
 						.append( $addMediaButton )
 				);
 			}
 
 			$wrap.append(
 				$editorTools
 					.append( $( '<div class="wp-editor-tabs">' )
 						.append( $button.clone().attr({
 							id: id + '-tmce',
 							'class': 'wp-switch-editor switch-tmce'
 						}).text( window.tinymce.translate( 'Visual' ) ) )
 						.append( $button.attr({
 							id: id + '-html',
 							'class': 'wp-switch-editor switch-html'
 						}).text( window.tinymce.translate( 'Text' ) ) )
 					).append( $editorContainer )
 			);
 
 			$textarea.after( $wrap );
 			$editorContainer.append( $textarea );
 		}
 
 		if ( window.tinymce && settings.tinymce ) {
 			if ( typeof settings.tinymce !== 'object' ) {
 				settings.tinymce = {};
 			}
 
 			init = $.extend( {}, defaults.tinymce, settings.tinymce );
 			init.selector = '#' + id;
 
 			$( document ).trigger( 'wp-before-tinymce-init', init );
 			window.tinymce.init( init );
 
 			if ( ! window.wpActiveEditor ) {
 				window.wpActiveEditor = id;
 			}
 		}
 
 		if ( window.quicktags && settings.quicktags ) {
 			if ( typeof settings.quicktags !== 'object' ) {
 				settings.quicktags = {};
 			}
 
 			init = $.extend( {}, defaults.quicktags, settings.quicktags );
 			init.id = id;
 
 			$( document ).trigger( 'wp-before-quicktags-init', init );
 			window.quicktags( init );
 
 			if ( ! window.wpActiveEditor ) {
 				window.wpActiveEditor = init.id;
 			}
 		}
 	};
 
 	/**
 	 * Remove one editor instance.
 	 *
 	 * Intended for use with editors that were initialized with wp.editor.initialize().
 	 *
 	 * @since 4.8.0
 	 *
 	 * @param {string} id The HTML id of the editor textarea.
 	 */
 	wp.editor.remove = function( id ) {
 		var mceInstance, qtInstance,
 			$wrap = $( '#wp-' + id + '-wrap' );
 
 		if ( window.tinymce ) {
 			mceInstance = window.tinymce.get( id );
 
 			if ( mceInstance ) {
 				if ( ! mceInstance.isHidden() ) {
 					mceInstance.save();
 				}
 
 				mceInstance.remove();
 			}
 		}
 
 		if ( window.quicktags ) {
 			qtInstance = window.QTags.getInstance( id );
 
 			if ( qtInstance ) {
 				qtInstance.remove();
 			}
 		}
 
 		if ( $wrap.length ) {
 			$wrap.after( $( '#' + id ) );
 			$wrap.remove();
 		}
 	};
 
 	/**
 	 * Get the editor content.
 	 *
 	 * Intended for use with editors that were initialized with wp.editor.initialize().
 	 *
 	 * @since 4.8.0
 	 *
 	 * @param {string} id The HTML id of the editor textarea.
 	 * @return The editor content.
 	 */
 	wp.editor.getContent = function( id ) {
 		var editor;
 
 		if ( ! $ || ! id ) {
 			return;
 		}
 
 		if ( window.tinymce ) {
 			editor = window.tinymce.get( id );
 
 			if ( editor && ! editor.isHidden() ) {
 				editor.save();
 			}
 		}
 
 		return $( '#' + id ).val();
 	};
 
 }( window.jQuery, window.wp ));