35 lines
1.5 KiB
JavaScript
35 lines
1.5 KiB
JavaScript
'use strict';
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require('../utils/dataTransfer/Clipboard.js');
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var getActiveElement = require('../utils/focus/getActiveElement.js');
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var isFocusable = require('../utils/focus/isFocusable.js');
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var findClosest = require('../utils/misc/findClosest.js');
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var updateSelectionOnFocus = require('./selection/updateSelectionOnFocus.js');
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var wrapEvent = require('./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.findClosest(element, isFocusable.isFocusable);
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const activeElement = getActiveElement.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.wrapEvent(()=>target.focus());
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} else {
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wrapEvent.wrapEvent(()=>activeElement === null || activeElement === undefined ? undefined : activeElement.blur());
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}
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updateSelectionOnFocus.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.isFocusable(element)) return;
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const wasActive = getActiveElement.getActiveElement(element.ownerDocument) === element;
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if (!wasActive) return;
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wrapEvent.wrapEvent(()=>element.blur());
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}
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exports.blurElement = blurElement;
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exports.focusElement = focusElement;
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