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24 lines
549 B
TypeScript
24 lines
549 B
TypeScript
export function focusPrev(el: Element | null, self = false) {
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if (el == null) return;
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if (!self) el = el.previousElementSibling;
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if (el) {
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if (el.hasAttribute('tabindex')) {
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(el as HTMLElement).focus();
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} else {
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focusPrev(el.previousElementSibling, true);
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}
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}
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}
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export function focusNext(el: Element | null, self = false) {
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if (el == null) return;
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if (!self) el = el.nextElementSibling;
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if (el) {
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if (el.hasAttribute('tabindex')) {
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(el as HTMLElement).focus();
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} else {
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focusPrev(el.nextElementSibling, true);
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}
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}
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}
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