Marc Wieland
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29 lines
861 B
TypeScript
29 lines
861 B
TypeScript
const focusableElements = [
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'input:not([disabled]):not([type=hidden])',
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'select:not([disabled])',
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'textarea:not([disabled])',
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'button:not([disabled])',
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'a[href]',
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'area[href]',
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'summary',
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'iframe',
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'object',
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'embed',
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'audio[controls]',
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'video[controls]',
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'[contenteditable]:not([contenteditable^="false"])'
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];
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const FOCUSABLE_ELEMENT_SELECTOR = focusableElements.join(':not([hidden]),') + ',[tabindex]:not([disabled]):not([hidden])';
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focusableElements.push('[tabindex]:not([tabindex="-1"]):not([disabled])');
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const TABBABLE_ELEMENT_SELECTOR = focusableElements.join(':not([hidden]):not([tabindex="-1"]),');
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export function isFocusable(element: Element): boolean {
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return element.matches(FOCUSABLE_ELEMENT_SELECTOR);
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}
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export function isTabbable(element: Element): boolean {
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return element.matches(TABBABLE_ELEMENT_SELECTOR);
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}
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