misskey-awawa/src/client/scripts/focus.ts

28 lines
645 B
TypeScript

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