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51 lines
1.1 KiB
51 lines
1.1 KiB
import { ref } from 'vue';
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type El = HTMLElement | null | undefined;
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export function useTabViewScroll(scrollDistance: number = 150) {
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const scrollbarEl = ref<El>(null);
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const scrollViewportEl = ref<El>(null);
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function setScrollBarEl(el: El) {
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scrollbarEl.value = el;
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}
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function setScrollViewEl(el: El) {
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scrollViewportEl.value = el;
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}
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function getScrollClientWidth() {
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if (!scrollbarEl.value || !scrollViewportEl.value) return {};
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const scrollbarWidth = scrollbarEl.value.clientWidth;
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const scrollViewWidth = scrollViewportEl.value.clientWidth;
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return {
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scrollbarWidth,
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scrollViewWidth,
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};
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}
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function scrollDirection(
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direction: 'left' | 'right',
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distance: number = scrollDistance,
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) {
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const { scrollbarWidth, scrollViewWidth } = getScrollClientWidth();
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if (!scrollbarWidth || !scrollViewWidth) return;
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if (scrollbarWidth > scrollViewWidth) return;
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scrollViewportEl.value?.scrollBy({
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behavior: 'smooth',
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left: direction === 'left' ? -distance : +distance,
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});
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}
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return {
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scrollDirection,
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setScrollBarEl,
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setScrollViewEl,
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};
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}
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