Current File : /var/www/projetos/hmg.jornalshowdafe.com.br/wp-includes/js/dist/dom.js
this["wp"] = this["wp"] || {}; this["wp"]["dom"] =
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/******/ ({
/***/ 2:
/***/ (function(module, exports) {
(function() { module.exports = this["lodash"]; }());
/***/ }),
/***/ 462:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);
// EXPORTS
__webpack_require__.d(__webpack_exports__, "focus", function() { return /* binding */ build_module_focus; });
__webpack_require__.d(__webpack_exports__, "isHorizontalEdge", function() { return /* reexport */ isHorizontalEdge; });
__webpack_require__.d(__webpack_exports__, "isVerticalEdge", function() { return /* reexport */ isVerticalEdge; });
__webpack_require__.d(__webpack_exports__, "getRectangleFromRange", function() { return /* reexport */ getRectangleFromRange; });
__webpack_require__.d(__webpack_exports__, "computeCaretRect", function() { return /* reexport */ computeCaretRect; });
__webpack_require__.d(__webpack_exports__, "placeCaretAtHorizontalEdge", function() { return /* reexport */ placeCaretAtHorizontalEdge; });
__webpack_require__.d(__webpack_exports__, "placeCaretAtVerticalEdge", function() { return /* reexport */ placeCaretAtVerticalEdge; });
__webpack_require__.d(__webpack_exports__, "isTextField", function() { return /* reexport */ isTextField; });
__webpack_require__.d(__webpack_exports__, "isNumberInput", function() { return /* reexport */ isNumberInput; });
__webpack_require__.d(__webpack_exports__, "documentHasTextSelection", function() { return /* reexport */ documentHasTextSelection; });
__webpack_require__.d(__webpack_exports__, "documentHasUncollapsedSelection", function() { return /* reexport */ documentHasUncollapsedSelection; });
__webpack_require__.d(__webpack_exports__, "documentHasSelection", function() { return /* reexport */ documentHasSelection; });
__webpack_require__.d(__webpack_exports__, "isEntirelySelected", function() { return /* reexport */ isEntirelySelected; });
__webpack_require__.d(__webpack_exports__, "getScrollContainer", function() { return /* reexport */ getScrollContainer; });
__webpack_require__.d(__webpack_exports__, "getOffsetParent", function() { return /* reexport */ getOffsetParent; });
__webpack_require__.d(__webpack_exports__, "replace", function() { return /* reexport */ replace; });
__webpack_require__.d(__webpack_exports__, "remove", function() { return /* reexport */ remove; });
__webpack_require__.d(__webpack_exports__, "insertAfter", function() { return /* reexport */ insertAfter; });
__webpack_require__.d(__webpack_exports__, "unwrap", function() { return /* reexport */ unwrap; });
__webpack_require__.d(__webpack_exports__, "replaceTag", function() { return /* reexport */ replaceTag; });
__webpack_require__.d(__webpack_exports__, "wrap", function() { return /* reexport */ wrap; });
__webpack_require__.d(__webpack_exports__, "__unstableStripHTML", function() { return /* reexport */ __unstableStripHTML; });
// NAMESPACE OBJECT: ./node_modules/@wordpress/dom/build-module/focusable.js
var focusable_namespaceObject = {};
__webpack_require__.r(focusable_namespaceObject);
__webpack_require__.d(focusable_namespaceObject, "find", function() { return find; });
// NAMESPACE OBJECT: ./node_modules/@wordpress/dom/build-module/tabbable.js
var tabbable_namespaceObject = {};
__webpack_require__.r(tabbable_namespaceObject);
__webpack_require__.d(tabbable_namespaceObject, "isTabbableIndex", function() { return isTabbableIndex; });
__webpack_require__.d(tabbable_namespaceObject, "find", function() { return tabbable_find; });
__webpack_require__.d(tabbable_namespaceObject, "findPrevious", function() { return findPrevious; });
__webpack_require__.d(tabbable_namespaceObject, "findNext", function() { return findNext; });
// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/focusable.js
/**
* References:
*
* Focusable:
* - https://www.w3.org/TR/html5/editing.html#focus-management
*
* Sequential focus navigation:
* - https://www.w3.org/TR/html5/editing.html#sequential-focus-navigation-and-the-tabindex-attribute
*
* Disabled elements:
* - https://www.w3.org/TR/html5/disabled-elements.html#disabled-elements
*
* getClientRects algorithm (requiring layout box):
* - https://www.w3.org/TR/cssom-view-1/#extension-to-the-element-interface
*
* AREA elements associated with an IMG:
* - https://w3c.github.io/html/editing.html#data-model
*/
var SELECTOR = ['[tabindex]', 'a[href]', 'button:not([disabled])', 'input:not([type="hidden"]):not([disabled])', 'select:not([disabled])', 'textarea:not([disabled])', 'iframe', 'object', 'embed', 'area[href]', '[contenteditable]:not([contenteditable=false])'].join(',');
/**
* Returns true if the specified element is visible (i.e. neither display: none
* nor visibility: hidden).
*
* @param {Element} element DOM element to test.
*
* @return {boolean} Whether element is visible.
*/
function isVisible(element) {
return element.offsetWidth > 0 || element.offsetHeight > 0 || element.getClientRects().length > 0;
}
/**
* Returns true if the specified element should be skipped from focusable elements.
* For now it rather specific for `iframes` and if tabindex attribute is set to -1.
*
* @param {Element} element DOM element to test.
*
* @return {boolean} Whether element should be skipped from focusable elements.
*/
function skipFocus(element) {
return element.nodeName.toLowerCase() === 'iframe' && element.getAttribute('tabindex') === '-1';
}
/**
* 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.
*
* @param {Element} element DOM area element to test.
*
* @return {boolean} Whether area element is valid for focus.
*/
function isValidFocusableArea(element) {
var map = element.closest('map[name]');
if (!map) {
return false;
}
var img = document.querySelector('img[usemap="#' + map.name + '"]');
return !!img && isVisible(img);
}
/**
* Returns all focusable elements within a given context.
*
* @param {Element} context Element in which to search.
*
* @return {Element[]} Focusable elements.
*/
function find(context) {
var elements = context.querySelectorAll(SELECTOR);
return Array.from(elements).filter(function (element) {
if (!isVisible(element) || skipFocus(element)) {
return false;
}
var nodeName = element.nodeName;
if ('AREA' === nodeName) {
return isValidFocusableArea(element);
}
return true;
});
}
// EXTERNAL MODULE: external {"this":"lodash"}
var external_this_lodash_ = __webpack_require__(2);
// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/tabbable.js
/**
* External dependencies
*/
/**
* Internal dependencies
*/
/**
* 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.
*
* @see https://bugzilla.mozilla.org/show_bug.cgi?id=1190261
*
* @param {Element} element Element from which to retrieve.
*
* @return {?number} Tab index of element (default 0).
*/
function getTabIndex(element) {
var tabIndex = element.getAttribute('tabindex');
return tabIndex === null ? 0 : parseInt(tabIndex, 10);
}
/**
* Returns true if the specified element is tabbable, or false otherwise.
*
* @param {Element} element Element to test.
*
* @return {boolean} Whether element is tabbable.
*/
function isTabbableIndex(element) {
return getTabIndex(element) !== -1;
}
/**
* 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 {Function} Radio group collapse reducer.
*/
function createStatefulCollapseRadioGroup() {
var CHOSEN_RADIO_BY_NAME = {};
return function collapseRadioGroup(result, element) {
var nodeName = element.nodeName,
type = element.type,
checked = element.checked,
name = element.name; // For all non-radio tabbables, construct to array by concatenating.
if (nodeName !== 'INPUT' || type !== 'radio' || !name) {
return result.concat(element);
}
var hasChosen = CHOSEN_RADIO_BY_NAME.hasOwnProperty(name); // Omit by skipping concatenation if the radio element is not chosen.
var isChosen = checked || !hasChosen;
if (!isChosen) {
return result;
} // At this point, if there had been a chosen element, the current
// element is checked and should take priority. Retroactively remove
// the element which had previously been considered the chosen one.
if (hasChosen) {
var hadChosenElement = CHOSEN_RADIO_BY_NAME[name];
result = Object(external_this_lodash_["without"])(result, hadChosenElement);
}
CHOSEN_RADIO_BY_NAME[name] = element;
return result.concat(element);
};
}
/**
* 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.
*
* @param {Element} element Element.
* @param {number} index Array index of element.
*
* @return {Object} Mapped object with element, index.
*/
function mapElementToObjectTabbable(element, index) {
return {
element: element,
index: index
};
}
/**
* An array map callback, returning an element of the given mapped object's
* element value.
*
* @param {Object} object Mapped object with index.
*
* @return {Element} Mapped object element.
*/
function mapObjectTabbableToElement(object) {
return object.element;
}
/**
* A sort comparator function used in comparing two objects of mapped elements.
*
* @see mapElementToObjectTabbable
*
* @param {Object} a First object to compare.
* @param {Object} b Second object to compare.
*
* @return {number} Comparator result.
*/
function compareObjectTabbables(a, b) {
var aTabIndex = getTabIndex(a.element);
var bTabIndex = getTabIndex(b.element);
if (aTabIndex === bTabIndex) {
return a.index - b.index;
}
return aTabIndex - bTabIndex;
}
/**
* Givin focusable elements, filters out tabbable element.
*
* @param {Array} focusables Focusable elements to filter.
*
* @return {Array} Tabbable elements.
*/
function filterTabbable(focusables) {
return focusables.filter(isTabbableIndex).map(mapElementToObjectTabbable).sort(compareObjectTabbables).map(mapObjectTabbableToElement).reduce(createStatefulCollapseRadioGroup(), []);
}
function tabbable_find(context) {
return filterTabbable(find(context));
}
/**
* Given a focusable element, find the preceding tabbable element.
*
* @param {Element} element The focusable element before which to look. Defaults
* to the active element.
*/
function findPrevious() {
var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : document.activeElement;
var focusables = find(document.body);
var index = focusables.indexOf(element); // Remove all focusables after and including `element`.
focusables.length = index;
return Object(external_this_lodash_["last"])(filterTabbable(focusables));
}
/**
* Given a focusable element, find the next tabbable element.
*
* @param {Element} element The focusable element after which to look. Defaults
* to the active element.
*/
function findNext() {
var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : document.activeElement;
var focusables = find(document.body);
var index = focusables.indexOf(element); // Remove all focusables before and inside `element`.
var remaining = focusables.slice(index + 1).filter(function (node) {
return !element.contains(node);
});
return Object(external_this_lodash_["first"])(filterTabbable(remaining));
}
// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/dom.js
/**
* External dependencies
*/
/**
* Browser dependencies
*/
var _window = window,
DOMParser = _window.DOMParser,
getComputedStyle = _window.getComputedStyle;
var _window$Node = window.Node,
TEXT_NODE = _window$Node.TEXT_NODE,
ELEMENT_NODE = _window$Node.ELEMENT_NODE,
DOCUMENT_POSITION_PRECEDING = _window$Node.DOCUMENT_POSITION_PRECEDING,
DOCUMENT_POSITION_FOLLOWING = _window$Node.DOCUMENT_POSITION_FOLLOWING;
/**
* Returns true if the given selection object is in the forward direction, or
* false otherwise.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition
*
* @param {Selection} selection Selection object to check.
*
* @return {boolean} Whether the selection is forward.
*/
function isSelectionForward(selection) {
var anchorNode = selection.anchorNode,
focusNode = selection.focusNode,
anchorOffset = selection.anchorOffset,
focusOffset = selection.focusOffset;
var position = anchorNode.compareDocumentPosition(focusNode); // Disable reason: `Node#compareDocumentPosition` returns a bitmask value,
// so bitwise operators are intended.
/* eslint-disable no-bitwise */
// Compare whether anchor node precedes focus node. If focus node (where
// end of selection occurs) is after the anchor node, it is forward.
if (position & DOCUMENT_POSITION_PRECEDING) {
return false;
}
if (position & DOCUMENT_POSITION_FOLLOWING) {
return true;
}
/* eslint-enable no-bitwise */
// `compareDocumentPosition` returns 0 when passed the same node, in which
// case compare offsets.
if (position === 0) {
return anchorOffset <= focusOffset;
} // This should never be reached, but return true as default case.
return true;
}
/**
* 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.
*
* @param {Element} container Focusable element.
* @param {boolean} isReverse Set to true to check left, false to check right.
* @param {boolean} onlyVertical Set to true to check only vertical position.
*
* @return {boolean} True if at the edge, false if not.
*/
function isEdge(container, isReverse, onlyVertical) {
if (Object(external_this_lodash_["includes"])(['INPUT', 'TEXTAREA'], container.tagName)) {
if (container.selectionStart !== container.selectionEnd) {
return false;
}
if (isReverse) {
return container.selectionStart === 0;
}
return container.value.length === container.selectionStart;
}
if (!container.isContentEditable) {
return true;
}
var selection = window.getSelection();
if (!selection.rangeCount) {
return false;
}
var originalRange = selection.getRangeAt(0);
var range = originalRange.cloneRange();
var isForward = isSelectionForward(selection);
var isCollapsed = selection.isCollapsed; // Collapse in direction of selection.
if (!isCollapsed) {
range.collapse(!isForward);
}
var rangeRect = getRectangleFromRange(range);
if (!rangeRect) {
return false;
}
var computedStyle = window.getComputedStyle(container);
var lineHeight = parseInt(computedStyle.lineHeight, 10) || 0; // Only consider the multiline selection at the edge if the direction is
// towards the edge.
if (!isCollapsed && rangeRect.height > lineHeight && isForward === isReverse) {
return false;
}
var padding = parseInt(computedStyle["padding".concat(isReverse ? 'Top' : 'Bottom')], 10) || 0; // Calculate a buffer that is half the line height. In some browsers, the
// selection rectangle may not fill the entire height of the line, so we add
// 3/4 the line height to the selection rectangle to ensure that it is well
// over its line boundary.
var buffer = 3 * parseInt(lineHeight, 10) / 4;
var containerRect = container.getBoundingClientRect();
var originalRangeRect = getRectangleFromRange(originalRange);
var verticalEdge = isReverse ? containerRect.top + padding > originalRangeRect.top - buffer : containerRect.bottom - padding < originalRangeRect.bottom + buffer;
if (!verticalEdge) {
return false;
}
if (onlyVertical) {
return true;
} // In the case of RTL scripts, the horizontal edge is at the opposite side.
var direction = computedStyle.direction;
var isReverseDir = direction === 'rtl' ? !isReverse : isReverse; // To calculate the horizontal position, we insert a test range and see if
// this test range has the same horizontal position. This method proves to
// be better than a DOM-based calculation, because it ignores empty text
// nodes and a trailing line break element. In other words, we need to check
// visual positioning, not DOM positioning.
var x = isReverseDir ? containerRect.left + 1 : containerRect.right - 1;
var y = isReverse ? containerRect.top + buffer : containerRect.bottom - buffer;
var testRange = hiddenCaretRangeFromPoint(document, x, y, container);
if (!testRange) {
return false;
}
var side = isReverseDir ? 'left' : 'right';
var testRect = getRectangleFromRange(testRange); // Allow the position to be 1px off.
return Math.abs(testRect[side] - rangeRect[side]) <= 1;
}
/**
* Check whether the selection is horizontally at the edge of the container.
*
* @param {Element} container Focusable element.
* @param {boolean} isReverse Set to true to check left, false for right.
*
* @return {boolean} True if at the horizontal edge, false if not.
*/
function isHorizontalEdge(container, isReverse) {
return isEdge(container, isReverse);
}
/**
* Check whether the selection is vertically at the edge of the container.
*
* @param {Element} container Focusable element.
* @param {boolean} isReverse Set to true to check top, false for bottom.
*
* @return {boolean} True if at the vertical edge, false if not.
*/
function isVerticalEdge(container, isReverse) {
return isEdge(container, isReverse, true);
}
/**
* Get the rectangle of a given Range.
*
* @param {Range} range The range.
*
* @return {DOMRect} The rectangle.
*/
function getRectangleFromRange(range) {
// For uncollapsed ranges, get the rectangle that bounds the contents of the
// range; this a rectangle enclosing the union of the bounding rectangles
// for all the elements in the range.
if (!range.collapsed) {
return range.getBoundingClientRect();
}
var _range = range,
startContainer = _range.startContainer; // Correct invalid "BR" ranges. The cannot contain any children.
if (startContainer.nodeName === 'BR') {
var parentNode = startContainer.parentNode;
var index = Array.from(parentNode.childNodes).indexOf(startContainer);
range = document.createRange();
range.setStart(parentNode, index);
range.setEnd(parentNode, index);
}
var rect = range.getClientRects()[0]; // If the collapsed range starts (and therefore ends) at an element node,
// `getClientRects` can be empty in some browsers. This can be resolved
// by adding a temporary text node with zero-width space to the range.
//
// See: https://stackoverflow.com/a/6847328/995445
if (!rect) {
var padNode = document.createTextNode("\u200B"); // Do not modify the live range.
range = range.cloneRange();
range.insertNode(padNode);
rect = range.getClientRects()[0];
padNode.parentNode.removeChild(padNode);
}
return rect;
}
/**
* Get the rectangle for the selection in a container.
*
* @return {?DOMRect} The rectangle.
*/
function computeCaretRect() {
var selection = window.getSelection();
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
if (!range) {
return;
}
return getRectangleFromRange(range);
}
/**
* Places the caret at start or end of a given element.
*
* @param {Element} container Focusable element.
* @param {boolean} isReverse True for end, false for start.
*/
function placeCaretAtHorizontalEdge(container, isReverse) {
if (!container) {
return;
}
if (Object(external_this_lodash_["includes"])(['INPUT', 'TEXTAREA'], container.tagName)) {
container.focus();
if (isReverse) {
container.selectionStart = container.value.length;
container.selectionEnd = container.value.length;
} else {
container.selectionStart = 0;
container.selectionEnd = 0;
}
return;
}
container.focus();
if (!container.isContentEditable) {
return;
} // Select on extent child of the container, not the container itself. This
// avoids the selection always being `endOffset` of 1 when placed at end,
// where `startContainer`, `endContainer` would always be container itself.
var rangeTarget = container[isReverse ? 'lastChild' : 'firstChild']; // If no range target, it implies that the container is empty. Focusing is
// sufficient for caret to be placed correctly.
if (!rangeTarget) {
return;
}
var selection = window.getSelection();
var range = document.createRange();
range.selectNodeContents(rangeTarget);
range.collapse(!isReverse);
selection.removeAllRanges();
selection.addRange(range);
}
/**
* Polyfill.
* Get a collapsed range for a given point.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/Document/caretRangeFromPoint
*
* @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.
*
* @return {?Range} The best range for the given point.
*/
function caretRangeFromPoint(doc, x, y) {
if (doc.caretRangeFromPoint) {
return doc.caretRangeFromPoint(x, y);
}
if (!doc.caretPositionFromPoint) {
return null;
}
var point = doc.caretPositionFromPoint(x, y); // If x or y are negative, outside viewport, or there is no text entry node.
// https://developer.mozilla.org/en-US/docs/Web/API/Document/caretRangeFromPoint
if (!point) {
return null;
}
var range = doc.createRange();
range.setStart(point.offsetNode, point.offset);
range.collapse(true);
return range;
}
/**
* 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.
*
* @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 {Element} container Container in which the range is expected to be found.
*
* @return {?Range} The best range for the given point.
*/
function hiddenCaretRangeFromPoint(doc, x, y, container) {
var originalZIndex = container.style.zIndex;
var originalPosition = container.style.position; // A z-index only works if the element position is not static.
container.style.zIndex = '10000';
container.style.position = 'relative';
var range = caretRangeFromPoint(doc, x, y);
container.style.zIndex = originalZIndex;
container.style.position = originalPosition;
return range;
}
/**
* Places the caret at the top or bottom of a given element.
*
* @param {Element} container Focusable element.
* @param {boolean} isReverse True for bottom, false for top.
* @param {DOMRect} [rect] The rectangle to position the caret with.
* @param {boolean} [mayUseScroll=true] True to allow scrolling, false to disallow.
*/
function placeCaretAtVerticalEdge(container, isReverse, rect) {
var mayUseScroll = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
if (!container) {
return;
}
if (!rect || !container.isContentEditable) {
placeCaretAtHorizontalEdge(container, isReverse);
return;
} // Offset by a buffer half the height of the caret rect. This is needed
// because caretRangeFromPoint may default to the end of the selection if
// offset is too close to the edge. It's unclear how to precisely calculate
// this threshold; it may be the padded area of some combination of line
// height, caret height, and font size. The buffer offset is effectively
// equivalent to a point at half the height of a line of text.
var buffer = rect.height / 2;
var editableRect = container.getBoundingClientRect();
var x = rect.left;
var y = isReverse ? editableRect.bottom - buffer : editableRect.top + buffer;
var range = hiddenCaretRangeFromPoint(document, x, y, container);
if (!range || !container.contains(range.startContainer)) {
if (mayUseScroll && (!range || !range.startContainer || !range.startContainer.contains(container))) {
// Might be out of view.
// Easier than attempting to calculate manually.
container.scrollIntoView(isReverse);
placeCaretAtVerticalEdge(container, isReverse, rect, false);
return;
}
placeCaretAtHorizontalEdge(container, isReverse);
return;
}
var selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
container.focus(); // Editable was already focussed, it goes back to old range...
// This fixes it.
selection.removeAllRanges();
selection.addRange(range);
}
/**
* 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
*
* @param {HTMLElement} element The HTML element.
*
* @return {boolean} True if the element is an text field, false if not.
*/
function isTextField(element) {
var nodeName = element.nodeName,
contentEditable = element.contentEditable;
var nonTextInputs = ['button', 'checkbox', 'hidden', 'file', 'radio', 'image', 'range', 'reset', 'submit', 'number'];
return nodeName === 'INPUT' && !nonTextInputs.includes(element.type) || nodeName === 'TEXTAREA' || contentEditable === 'true';
}
/**
* Check whether the given element is an input field of type number
* and has a valueAsNumber
*
* @param {HTMLElement} element The HTML element.
*
* @return {boolean} True if the element is input and holds a number.
*/
function isNumberInput(element) {
var nodeName = element.nodeName,
type = element.type,
valueAsNumber = element.valueAsNumber;
return nodeName === 'INPUT' && type === 'number' && !!valueAsNumber;
}
/**
* 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.
*/
function documentHasTextSelection() {
var selection = window.getSelection();
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
return range && !range.collapsed;
}
/**
* Check whether the given element, assumed an input field or textarea,
* contains a (uncollapsed) selection of text.
*
* Note: this is perhaps an abuse of the term "selection", since these elements
* manage selection differently and aren't covered by Selection#collapsed.
*
* See: https://developer.mozilla.org/en-US/docs/Web/API/Window/getSelection#Related_objects.
*
* @param {HTMLElement} element The HTML element.
*
* @return {boolean} Whether the input/textareaa element has some "selection".
*/
function inputFieldHasUncollapsedSelection(element) {
if (!isTextField(element) && !isNumberInput(element)) {
return false;
}
try {
var selectionStart = element.selectionStart,
selectionEnd = element.selectionEnd;
return selectionStart !== null && selectionStart !== selectionEnd;
} catch (error) {
// Safari throws an exception when trying to get `selectionStart`
// on non-text <input> elements (which, understandably, don't
// have the text selection API). We catch this via a try/catch
// block, as opposed to a more explicit check of the element's
// input types, because of Safari's non-standard behavior. This
// also means we don't have to worry about the list of input
// types that support `selectionStart` changing as the HTML spec
// evolves over time.
return false;
}
}
/**
* Check whether the current document has any sort of selection. This includes
* ranges of text across elements and any selection inside <input> and
* <textarea> elements.
*
* @return {boolean} Whether there is any sort of "selection" in the document.
*/
function documentHasUncollapsedSelection() {
return documentHasTextSelection() || inputFieldHasUncollapsedSelection(document.activeElement);
}
/**
* Check whether the current document has a selection. This checks for both
* focus in an input field and general text selection.
*
* @return {boolean} True if there is selection, false if not.
*/
function documentHasSelection() {
return isTextField(document.activeElement) || isNumberInput(document.activeElement) || documentHasTextSelection();
}
/**
* Check whether the contents of the element have been entirely selected.
* Returns true if there is no possibility of selection.
*
* @param {Element} element The element to check.
*
* @return {boolean} True if entirely selected, false if not.
*/
function isEntirelySelected(element) {
if (Object(external_this_lodash_["includes"])(['INPUT', 'TEXTAREA'], element.nodeName)) {
return element.selectionStart === 0 && element.value.length === element.selectionEnd;
}
if (!element.isContentEditable) {
return true;
}
var selection = window.getSelection();
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
if (!range) {
return true;
}
var startContainer = range.startContainer,
endContainer = range.endContainer,
startOffset = range.startOffset,
endOffset = range.endOffset;
if (startContainer === element && endContainer === element && startOffset === 0 && endOffset === element.childNodes.length) {
return true;
}
var lastChild = element.lastChild;
var lastChildContentLength = lastChild.nodeType === TEXT_NODE ? lastChild.data.length : lastChild.childNodes.length;
return startContainer === element.firstChild && endContainer === element.lastChild && startOffset === 0 && endOffset === lastChildContentLength;
}
/**
* Given a DOM node, finds the closest scrollable container node.
*
* @param {Element} node Node from which to start.
*
* @return {?Element} Scrollable container node, if found.
*/
function getScrollContainer(node) {
if (!node) {
return;
} // Scrollable if scrollable height exceeds displayed...
if (node.scrollHeight > node.clientHeight) {
// ...except when overflow is defined to be hidden or visible
var _window$getComputedSt = window.getComputedStyle(node),
overflowY = _window$getComputedSt.overflowY;
if (/(auto|scroll)/.test(overflowY)) {
return node;
}
} // Continue traversing
return getScrollContainer(node.parentNode);
}
/**
* 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).
*
* @see https://drafts.csswg.org/cssom-view/#dom-htmlelement-offsetparent
*
* @param {Node} node Node from which to find offset parent.
*
* @return {?Node} Offset parent.
*/
function getOffsetParent(node) {
// Cannot retrieve computed style or offset parent only anything other than
// an element node, so find the closest element node.
var closestElement;
while (closestElement = node.parentNode) {
if (closestElement.nodeType === ELEMENT_NODE) {
break;
}
}
if (!closestElement) {
return null;
} // If the closest element is already positioned, return it, as offsetParent
// does not otherwise consider the node itself.
if (getComputedStyle(closestElement).position !== 'static') {
return closestElement;
}
return closestElement.offsetParent;
}
/**
* Given two DOM nodes, replaces the former with the latter in the DOM.
*
* @param {Element} processedNode Node to be removed.
* @param {Element} newNode Node to be inserted in its place.
* @return {void}
*/
function replace(processedNode, newNode) {
insertAfter(newNode, processedNode.parentNode);
remove(processedNode);
}
/**
* Given a DOM node, removes it from the DOM.
*
* @param {Element} node Node to be removed.
* @return {void}
*/
function remove(node) {
node.parentNode.removeChild(node);
}
/**
* Given two DOM nodes, inserts the former in the DOM as the next sibling of
* the latter.
*
* @param {Element} newNode Node to be inserted.
* @param {Element} referenceNode Node after which to perform the insertion.
* @return {void}
*/
function insertAfter(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}
/**
* Unwrap the given node. This means any child nodes are moved to the parent.
*
* @param {Node} node The node to unwrap.
*
* @return {void}
*/
function unwrap(node) {
var parent = node.parentNode;
while (node.firstChild) {
parent.insertBefore(node.firstChild, node);
}
parent.removeChild(node);
}
/**
* Replaces the given node with a new node with the given tag name.
*
* @param {Element} node The node to replace
* @param {string} tagName The new tag name.
*
* @return {Element} The new node.
*/
function replaceTag(node, tagName) {
var newNode = node.ownerDocument.createElement(tagName);
while (node.firstChild) {
newNode.appendChild(node.firstChild);
}
node.parentNode.replaceChild(newNode, node);
return newNode;
}
/**
* 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.
*/
function wrap(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode);
newNode.appendChild(referenceNode);
}
/**
* Removes any HTML tags from the provided string.
*
* @param {string} html The string containing html.
*
* @return {string} The text content with any html removed.
*/
function __unstableStripHTML(html) {
var document = new DOMParser().parseFromString(html, 'text/html');
return document.body.textContent || '';
}
// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/index.js
/**
* Internal dependencies
*/
/**
* Object grouping `focusable` and `tabbable` utils
* under the keys with the same name.
*/
var build_module_focus = {
focusable: focusable_namespaceObject,
tabbable: tabbable_namespaceObject
};
/***/ })
/******/ });
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