gnezim
30 lines
905 B
JavaScript
30 lines
905 B
JavaScript
import { getFocusMerge } from './focusMerge';
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export var focusOn = function (target) {
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target.focus();
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if ('contentWindow' in target && target.contentWindow) {
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target.contentWindow.focus();
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}
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};
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var guardCount = 0;
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var lockDisabled = false;
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export var setFocus = function (topNode, lastNode) {
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var focusable = getFocusMerge(topNode, lastNode);
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if (lockDisabled) {
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return;
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}
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if (focusable) {
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if (guardCount > 2) {
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console.error('FocusLock: focus-fighting detected. Only one focus management system could be active. ' +
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'See https://github.com/theKashey/focus-lock/#focus-fighting');
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lockDisabled = true;
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setTimeout(function () {
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lockDisabled = false;
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}, 1);
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return;
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}
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guardCount++;
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focusOn(focusable.node);
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guardCount--;
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}
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};
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