* @internal * @description Retrieves the global top offset of an element. * @returns {number} The top offset of the element.

* @internal * @description Retrieves all headers in the document. * @returns {NodeListOf<Element>} An array of header elements.

* @internal * @description Caching basic buttons to use

* @description Check if a URL is safe (matches the allowed protocol whitelist). * @param {string} url Raw URL string * @returns {boolean}

* @description Retrieves the sibling node of a selected node if it is uneditable. || component node. * - Used only in `_isUneditableNode`. * @param

* @param {Array<string|{value: string, name?: string}>} colorList - Color list * @param {number} splitNum - Number of colors per row * @returns {str

* @description Returns a new object with merge `a` and `b` * @param {Object<*, *>} a object * @param {Object<*, *>} b object * @returns {Object<*,

* @description Parses error response from XMLHttpRequest. * Safely handles non-text responseTypes (blob, arraybuffer, etc.) where accessing responseT

* @internal * @description Set up responsive behavior for the toolbar buttons.

* @internal * @description Reverts the figure element to its previously saved size.

* @internal * @description Show toolbar-balloon with delay.

* @internal * @description Stops resizing the table. * @param {HTMLElement} target The target element. * @param {string} prevValue The previous

* @hook Editor.EventManager * @type {SunEditor.Hook.Event.Active}

* @description Applies the color from the color picker. * @param {any} color - The color string or object.

* @description Handles post-insertion behavior for a newly created component based on the specified mode. * @param {Node} container The inserted com

* @description Sets the size of the video element. * @param {string|number} w - The width of the video. * @param {string|number} h - The height of

* Build a nested list and return the OUTER <li> and its text node. * The outer <li> has a large offsetHeight (includes nested sub-lists), * but

* @description Triggers onChange event and updates UI after history state changes. * @param {SunEditor.FrameContext} fc The frame context. * @para

* @description Close the hue slider. * - Call the instance's `hueSliderCancelAction` method.

* @description Closes the properties dialog.

* @optional * Executes the method that is called when a component copy is requested. * @param {SunEditor.HookParams.CopyComponent} params - Copy c

* @description HTML code compression * @param {string} html HTML string * @returns {string} HTML string

* @description Converts a YouTube URL into an embeddable URL. * - If the URL does not start with `"http"`, it prepends `"https://"`. * - It also r

* @description Creates an anchor (`<a>`) element with the specified attributes. * @param {boolean} notText - If `true`, the anchor will not contain

* @description Create file element * @param {string} url File URL * @param {File|{name: string, size: number}} file File object * @param {boolea

* @description Creates or updates a video embed component. * - When updating, it replaces the existing element if necessary * - and applies the ne

* @description Shows a previously hidden dropdown menu that is still in `on` state. * - Only works when a dropdown is active (`currentButton` exists

* @description Extracts user input option keys (`options.xxx`) from a function body in constructor.js * @param {string} src Full source code * @para

* @description Finds and processes the URL for video by matching it against known service patterns. * @param {string} url - The original URL. * @r

* @description Initialize the hue slider information.

* @description Initializes a root frame's history stack. * @param {*} rootKey Root frame key.

* @description Convert a list JSON node (ul/ol) to markdown * @param {Object} node * @param {string} indent Current indentation * @param {boolean}

* @description Changes to markdown view or wysiwyg view * @param {boolean} [value] `true`/`false`, If `undefined` toggle the `markdownView` mode.

* @description Opens the anchor editor modal and populates it with data. * @param {boolean} isUpdate - Indicates whether an existing anchor is being

* @hook Editor.EventManager * @type {SunEditor.Hook.Event.OnMouseLeave}

* @hook Editor.EventManager * @type {SunEditor.Hook.Event.OnMouseUp}

* @description Select menu open * @param {?string} [position] `"[left|right]-[middle|top|bottom] | [top|bottom]-[center|left|right]"` * Always spe

* @override * @type {PluginModal['open']}

* @description Opens the border style menu.

* @description Opens the column menu.

* @description Opens the split menu.

* @description Moves to the next page.

* @description Parse markdown list into HTML * @param {string[]} lines * @param {number} startIndex * @param {boolean} ordered * @returns {{ html:

* @description Parse markdown table lines into HTML table * @param {string[]} tableLines * @returns {string}

* @description Resets the alignment properties for table cells.

* @description Selects a group of table cells and sets internal state related to multi-cell selection. * @param {HTMLTableCellElement[]} cells - An

* @description Restores content from the history stack and updates the editor state. * @param {number} increase Direction to move in the stack: -1 f

* @description Sets the original width and height of the video. * @param {string} w - Original width * @param {string} h - Original height

* @description Sets row-related information based on the provided table row element (`<tr>`). This includes updating the row count and the index of th

* @description Saves content and selection to the history stack. * @param {string} content HTML content to save. * @param {Range} range Selection

* @description Sets the vertical alignment properties. * @param {string} value - The vertical alignment value.

* @description Show controller

* @description Starts cell selection with global event listeners for drag/shift selection. * **WARNING**: Registers global events (mousemove/mousedo

* @description Add a bulleted list * @param {string} [type=""] List type

* @description Add a numbered list * @param {string} [type=""] List type

* @description Create a `file` component using the provided files. * @param {File[]|FileList} fileList File object list * @returns {Promise<boolea

* @description Create an `image` component using the provided files. * @param {FileList|File[]} fileList File object list * @returns {Promise<bool

* @description Create a `video` component using the provided files. * @param {FileList|File[]} fileList File object list * @returns {Promise<boole

* @description Copies formatting from selected text. * @param {Node} button - The button triggering the copy format function.

* @returns {*} - The `KaTeX` instance or `null` if the instance is invalid.

* @returns {*}

* @description Creates the editor instance and initializes components. * @param {SunEditor.InitOptions} originOptions - The initial editor options.

* @description Creates a utility wrapper for editor base options. * - Provides get, set, has, getAll with internal Map support. * @param {*} _cont

* @description Creates a utility wrapper for editor base options. * - Provides get, set, has, getAll with internal Map support. * @param {{value:

* @description Creates a utility wrapper for editor frame options. * Provides get, set, has, getAll, and setMany methods with internal Map support.

* @description Creates a utility wrapper for editor base options. * - Provides get, set, has, getAll, and setMany methods with internal Map support.

* @description Applies font styling to selected text. * @param {string} command - The font style command (e.g., bold, italic, underline).

* @description Opens a specific tab inside the modal. * @param {MouseEvent|string} e - The event object or tab name. * @returns {boolean} - Whethe

* @description Inserts a page break element into the editor.

* @description Saves the editor content. * @returns {Promise<void>}

* @description Selects all content in the editor.

* @description Selects all content in the entire editor without scope stepping.

* @description Toggles direction button active state. * @param {boolean} rtl - Whether the text direction is right-to-left.

@description Listen for wysiwyg edits to auto-refresh highlights.

* @description Adds event listeners for menu interactions.

@description Register global ESC keydown (capture) to close finder.

* @description Adds global event listeners for resizing the modal. * @param {string} dir - The direction in which resizing is occurring.