32 lines
1.3 KiB
JavaScript
32 lines
1.3 KiB
JavaScript
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import '../utils/dataTransfer/Clipboard.js';
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import { getActiveElement } from '../utils/focus/getActiveElement.js';
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import { isFocusable } from '../utils/focus/isFocusable.js';
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import { findClosest } from '../utils/misc/findClosest.js';
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import { updateSelectionOnFocus } from './selection/updateSelectionOnFocus.js';
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import { wrapEvent } from './wrapEvent.js';
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// Browsers do not dispatch FocusEvent if the document does not have focus.
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// TODO: simulate FocusEvent in browsers
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/**
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* Focus closest focusable element.
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*/ function focusElement(element) {
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const target = findClosest(element, isFocusable);
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const activeElement = getActiveElement(element.ownerDocument);
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if ((target !== null && target !== undefined ? target : element.ownerDocument.body) === activeElement) {
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return;
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} else if (target) {
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wrapEvent(()=>target.focus());
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} else {
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wrapEvent(()=>activeElement === null || activeElement === undefined ? undefined : activeElement.blur());
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}
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updateSelectionOnFocus(target !== null && target !== undefined ? target : element.ownerDocument.body);
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}
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function blurElement(element) {
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if (!isFocusable(element)) return;
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const wasActive = getActiveElement(element.ownerDocument) === element;
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if (!wasActive) return;
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wrapEvent(()=>element.blur());
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}
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export { blurElement, focusElement };
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