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References: Focusable: - https://www.w3.org/TR/html5/editing.html#focus-management
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| buildSelector(sequential) X-Ref |
| Returns a CSS selector used to query for focusable elements. return: {string} CSS selector. param: {boolean} sequential If set, only query elements that are sequentially |
| isVisible(element) X-Ref |
| Returns true if the specified element is visible (i.e. neither display: none nor visibility: hidden). return: {boolean} Whether element is visible. param: {HTMLElement} element DOM element to test. |
| isValidFocusableArea(element) X-Ref |
| Returns true if the specified area element is a valid focusable element, or false otherwise. Area is only focusable if within a map where a named map referenced by an image somewhere in the document. return: {boolean} Whether area element is valid for focus. param: {HTMLAreaElement} element DOM area element to test. |
| find(context, {sequential = false} = {}) X-Ref |
| Returns all focusable elements within a given context. return: {HTMLElement[]} Focusable elements. param: {Element} context Element in which to search. param: {Object} options param: {boolean} [options.sequential] If set, only return elements that are |
| getTabIndex(element) X-Ref |
| Returns the tab index of the given element. In contrast with the tabIndex property, this normalizes the default (0) to avoid browser inconsistencies, operating under the assumption that this function is only ever called with a focusable node. return: {number} Tab index of element (default 0). param: {Element} element Element from which to retrieve. |
| isTabbableIndex(element) X-Ref |
| Returns true if the specified element is tabbable, or false otherwise. return: {boolean} Whether element is tabbable. param: {Element} element Element to test. |
| createStatefulCollapseRadioGroup() X-Ref |
| Returns a stateful reducer function which constructs a filtered array of tabbable elements, where at most one radio input is selected for a given name, giving priority to checked input, falling back to the first encountered. return: {(acc: MaybeHTMLInputElement[], el: MaybeHTMLInputElement) => MaybeHTMLInputElement[]} Radio group collapse reducer. |
| mapElementToObjectTabbable(element, index) X-Ref |
| An array map callback, returning an object with the element value and its array index location as properties. This is used to emulate a proper stable sort where equal tabIndex should be left in order of their occurrence in the document. return: {{ element: HTMLElement, index: number }} Mapped object with element, index. param: {HTMLElement} element Element. param: {number} index Array index of element. |
| mapObjectTabbableToElement(object) X-Ref |
| An array map callback, returning an element of the given mapped object's element value. return: {HTMLElement} Mapped object element. param: {{ element: HTMLElement }} object Mapped object with element. |
| compareObjectTabbables(a, b) X-Ref |
| A sort comparator function used in comparing two objects of mapped elements. return: {number} Comparator result. param: {{ element: HTMLElement, index: number }} a First object to compare. param: {{ element: HTMLElement, index: number }} b Second object to compare. |
| filterTabbable(focusables) X-Ref |
| Givin focusable elements, filters out tabbable element. return: {HTMLElement[]} Tabbable elements. param: {HTMLElement[]} focusables Focusable elements to filter. |
| tabbable_find(context) X-Ref |
return: {HTMLElement[]} Tabbable elements within the context. param: {Element} context |
| findPrevious(element) X-Ref |
| Given a focusable element, find the preceding tabbable element. return: {HTMLElement|undefined} Preceding tabbable element. param: {Element} element The focusable element before which to look. Defaults |
| findNext(element) X-Ref |
| Given a focusable element, find the next tabbable element. return: {HTMLElement|undefined} Next tabbable element. param: {Element} element The focusable element after which to look. Defaults |
| assertIsDefined(val, name) X-Ref |
| No description |
| getRectangleFromRange(range) X-Ref |
| Get the rectangle of a given Range. Returns `null` if no suitable rectangle can be found. return: {DOMRect?} The rectangle. param: {Range} range The range. |
| computeCaretRect(win) X-Ref |
| Get the rectangle for the selection in a container. return: {DOMRect | null} The rectangle. param: {Window} win The window of the selection. |
| documentHasTextSelection(doc) X-Ref |
| Check whether the current document has selected text. This applies to ranges of text in the document, and not selection inside `<input>` and `<textarea>` elements. See: https://developer.mozilla.org/en-US/docs/Web/API/Window/getSelection#Related_objects. return: {boolean} True if there is selection, false if not. param: {Document} doc The document to check. |
| isHTMLInputElement(node) X-Ref |
return: {node is HTMLInputElement} Whether the node is an HTMLInputElement. param: {Node} node |
| isTextField(node) X-Ref |
| Check whether the given element is a text field, where text field is defined by the ability to select within the input, or that it is contenteditable. See: https://html.spec.whatwg.org/#textFieldSelection return: {node is HTMLElement} True if the element is an text field, false if not. param: {Node} node The HTML element. |
| inputFieldHasUncollapsedSelection(element) X-Ref |
| Check whether the given input field or textarea contains a (uncollapsed) selection of text. CAVEAT: Only specific text-based HTML inputs support the selection APIs needed to determine whether they have a collapsed or uncollapsed selection. This function defaults to returning `true` when the selection cannot be inspected, such as with `<input type="time">`. The rationale is that this should cause the block editor to defer to the browser's native selection handling (e.g. copying and pasting), thereby reducing friction for the user. See: https://html.spec.whatwg.org/multipage/input.html#do-not-apply return: {boolean} Whether the input/textareaa element has some "selection". param: {Element} element The HTML element. |
| documentHasUncollapsedSelection(doc) X-Ref |
| Check whether the current document has any sort of (uncollapsed) selection. This includes ranges of text across elements and any selection inside textual `<input>` and `<textarea>` elements. return: {boolean} Whether there is any recognizable text selection in the document. param: {Document} doc The document to check. |
| documentHasSelection(doc) X-Ref |
| Check whether the current document has a selection. This includes focus in input fields, textareas, and general rich-text selection. return: {boolean} True if there is selection, false if not. param: {Document} doc The document to check. |
| getComputedStyle(element) X-Ref |
return: {ReturnType<Window['getComputedStyle']>} The computed style for the element. param: {Element} element |
| getScrollContainer(node, direction = 'vertical') X-Ref |
| Given a DOM node, finds the closest scrollable container node or the node itself, if scrollable. return: {Element | undefined} Scrollable container node, if found. param: {Element | null} node Node from which to start. param: {?string} direction Direction of scrollable container to search for ('vertical', 'horizontal', 'all'). |
| getOffsetParent(node) X-Ref |
| Returns the closest positioned element, or null under any of the conditions of the offsetParent specification. Unlike offsetParent, this function is not limited to HTMLElement and accepts any Node (e.g. Node.TEXT_NODE). return: {Node | null} Offset parent. param: {Node} node Node from which to find offset parent. |
| isInputOrTextArea(element) X-Ref |
return: {element is HTMLInputElement | HTMLTextAreaElement} Whether the element is an input or textarea param: {Element} element |
| isEntirelySelected(element) X-Ref |
| Check whether the contents of the element have been entirely selected. Returns true if there is no possibility of selection. return: {boolean} True if entirely selected, false if not. param: {HTMLElement} element The element to check. |
| isDeepChild(query, container, propName) X-Ref |
| Check whether the contents of the element have been entirely selected. Returns true if there is no possibility of selection. return: {boolean} True if query is a deep first/last child of container, false otherwise. param: {HTMLElement|Node} query The element to check. param: {HTMLElement} container The container that we suspect "query" may be a first or last child of. param: {"firstChild"|"lastChild"} propName "firstChild" or "lastChild" |
| isFormElement(element) X-Ref |
| Detects if element is a form element. return: {boolean} True if form element and false otherwise. param: {Element} element The element to check. |
| isRTL(element) X-Ref |
| Whether the element's text direction is right-to-left. return: {boolean} True if rtl, false if ltr. param: {Element} element The element to check. |
| getRangeHeight(range) X-Ref |
| Gets the height of the range without ignoring zero width rectangles, which some browsers ignore when creating a union. return: {number | undefined} Height of the range or undefined if the range has no client rectangles. param: {Range} range The range to check. |
| isSelectionForward(selection) X-Ref |
| Returns true if the given selection object is in the forward direction, or false otherwise. return: {boolean} Whether the selection is forward. param: {Selection} selection Selection object to check. |
| caretRangeFromPoint(doc, x, y) X-Ref |
| Polyfill. Get a collapsed range for a given point. return: {Range | null} The best range for the given point. param: {DocumentMaybeWithCaretPositionFromPoint} doc The document of the range. param: {number} x Horizontal position within the current viewport. param: {number} y Vertical position within the current viewport. |
| hiddenCaretRangeFromPoint(doc, x, y, container) X-Ref |
| Get a collapsed range for a given point. Gives the container a temporary high z-index (above any UI). This is preferred over getting the UI nodes and set styles there. return: {?Range} The best range for the given point. param: {Document} doc The document of the range. param: {number} x Horizontal position within the current viewport. param: {number} y Vertical position within the current viewport. param: {HTMLElement} container Container in which the range is expected to be found. |
| scrollIfNoRange(container, alignToTop, callback) X-Ref |
| If no range range can be created or it is outside the container, the element may be out of view, so scroll it into view and try again. return: {?Range} The range returned by the callback. param: {HTMLElement} container The container to scroll. param: {boolean} alignToTop True to align to top, false to bottom. param: {Function} callback The callback to create the range. |
| isEdge(container, isReverse, onlyVertical = false) X-Ref |
| Check whether the selection is at the edge of the container. Checks for horizontal position by default. Set `onlyVertical` to true to check only vertically. return: {boolean} True if at the edge, false if not. param: {HTMLElement} container Focusable element. param: {boolean} isReverse Set to true to check left, false to check right. param: {boolean} [onlyVertical=false] Set to true to check only vertical position. |
| isHorizontalEdge(container, isReverse) X-Ref |
| Check whether the selection is horizontally at the edge of the container. return: {boolean} True if at the horizontal edge, false if not. param: {HTMLElement} container Focusable element. param: {boolean} isReverse Set to true to check left, false for right. |
| isNumberInput(node) X-Ref |
| Check whether the given element is an input field of type number. return: {node is HTMLInputElement} True if the node is number input. param: {Node} node The HTML node. |
| isVerticalEdge(container, isReverse) X-Ref |
| Check whether the selection is vertically at the edge of the container. return: {boolean} True if at the vertical edge, false if not. param: {HTMLElement} container Focusable element. param: {boolean} isReverse Set to true to check top, false for bottom. |
| getRange(container, isReverse, x) X-Ref |
| Gets the range to place. return: {Range|null} The range to place. param: {HTMLElement} container Focusable element. param: {boolean} isReverse True for end, false for start. param: {number|undefined} x X coordinate to vertically position. |
| placeCaretAtEdge(container, isReverse, x) X-Ref |
| Places the caret at start or end of a given element. param: {HTMLElement} container Focusable element. param: {boolean} isReverse True for end, false for start. param: {number|undefined} x X coordinate to vertically position. |
| placeCaretAtHorizontalEdge(container, isReverse) X-Ref |
| Places the caret at start or end of a given element. param: {HTMLElement} container Focusable element. param: {boolean} isReverse True for end, false for start. |
| placeCaretAtVerticalEdge(container, isReverse, rect) X-Ref |
| Places the caret at the top or bottom of a given element. param: {HTMLElement} container Focusable element. param: {boolean} isReverse True for bottom, false for top. param: {DOMRect} [rect] The rectangle to position the caret with. |
| insertAfter(newNode, referenceNode) X-Ref |
| Given two DOM nodes, inserts the former in the DOM as the next sibling of the latter. return: {void} param: {Node} newNode Node to be inserted. param: {Node} referenceNode Node after which to perform the insertion. |
| remove(node) X-Ref |
| Given a DOM node, removes it from the DOM. return: {void} param: {Node} node Node to be removed. |
| replace(processedNode, newNode) X-Ref |
| Given two DOM nodes, replaces the former with the latter in the DOM. return: {void} param: {Element} processedNode Node to be removed. param: {Element} newNode Node to be inserted in its place. |
| unwrap(node) X-Ref |
| Unwrap the given node. This means any child nodes are moved to the parent. return: {void} param: {Node} node The node to unwrap. |
| replaceTag(node, tagName) X-Ref |
| Replaces the given node with a new node with the given tag name. return: {Element} The new node. param: {Element} node The node to replace param: {string} tagName The new tag name. |
| wrap(newNode, referenceNode) X-Ref |
| Wraps the given node with a new node with the given tag name. param: {Element} newNode The node to insert. param: {Element} referenceNode The node to wrap. |
| safeHTML(html) X-Ref |
| Strips scripts and on* attributes from HTML. return: {string} The sanitized HTML. param: {string} html HTML to sanitize. |
| stripHTML(html) X-Ref |
| Removes any HTML tags from the provided string. return: {string} The text content with any html removed. param: {string} html The string containing html. |
| isEmpty(element) X-Ref |
| Recursively checks if an element is empty. An element is not empty if it contains text or contains elements with attributes such as images. return: {boolean} Whether or not the element is empty. param: {Element} element The element to check. |
| getPhrasingContentSchema(context) X-Ref |
| Get schema of possible paths for phrasing content. return: {Partial<ContentSchema>} Schema. param: {string} [context] Set to "paste" to exclude invisible elements and |
| isPhrasingContent(node) X-Ref |
| Find out whether or not the given node is phrasing content. return: {boolean} True if phrasing content, false if not. param: {Node} node The node to test. |
| isTextContent(node) X-Ref |
return: {boolean} Node is text content param: {Node} node |
| isElement(node) X-Ref |
return: {node is Element} True if node is an Element node param: {Node | null | undefined} node |
| cleanNodeList(nodeList, doc, schema, inline) X-Ref |
| Given a schema, unwraps or removes nodes, attributes and classes on a node list. param: {NodeList} nodeList The nodeList to filter. param: {Document} doc The document of the nodeList. param: {Schema} schema An array of functions that can mutate with the provided node. param: {boolean} inline Whether to clean for inline mode. |
| removeInvalidHTML(HTML, schema, inline) X-Ref |
| Given a schema, unwraps or removes nodes, attributes and classes on HTML. return: {string} The cleaned up HTML. param: {string} HTML The HTML to clean up. param: {import('./clean-node-list').Schema} schema Schema for the HTML. param: {boolean} inline Whether to clean for inline mode. |
| getFilesFromDataTransfer(dataTransfer) X-Ref |
| Gets all files from a DataTransfer object. return: {File[]} An array containing all files. param: {DataTransfer} dataTransfer DataTransfer object to inspect. |
| Generated : Sun Jul 13 08:20:01 2025 | Cross-referenced by PHPXref |