revert...
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5a5ef7564a
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@ -233,6 +233,10 @@ watch([$$(weakBacked), $$(contentEl)], () => {
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})();
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});
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function preventDefault(ev: Event) {
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ev.preventDefault();
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}
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/**
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* アイテムを上に追加した場合に追加分だけスクロールを下にずらす
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* @param fn DOM操作(unshiftItemsなどで)
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@ -240,15 +244,32 @@ watch([$$(weakBacked), $$(contentEl)], () => {
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function adjustScroll(fn: () => void): Promise<void> {
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const oldHeight = scrollableElement ? scrollableElement.scrollHeight : getBodyScrollHeight();
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const oldScroll = scrollableElement ? scrollableElement.scrollTop : window.scrollY;
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// スクロールをやめさせる
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try {
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// なぜかscrollableElementOrHtmlがundefinedであるというエラーが出る
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scrollableElementOrHtml.addEventListener('wheel', preventDefault, { passive: false });
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scrollableElementOrHtml.addEventListener('touchmove', preventDefault, { passive: false });
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// ついでにtryに入れてみる
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scroll(scrollableElement, { top: oldScroll, behavior: 'instant' });
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} catch (err) {
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console.error(err, { scrollableElementOrHtml });
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}
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denyMoveTransition.value = true;
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fn();
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return nextTick(() => {
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const top = oldScroll + ((scrollableElement ? scrollableElement.scrollHeight : getBodyScrollHeight()) - oldHeight);
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scroll(scrollableElement, { top, behavior: 'instant' });
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try {
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const top = oldScroll + ((scrollableElement ? scrollableElement.scrollHeight : getBodyScrollHeight()) - oldHeight);
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scroll(scrollableElement, { top, behavior: 'instant' });
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// なぜかscrollableElementOrHtmlがundefinedであるというエラーが出る
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scrollableElementOrHtml.removeEventListener('wheel', preventDefault);
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scrollableElementOrHtml.removeEventListener('touchmove', preventDefault);
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} catch (err) {
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console.error(err, { scrollableElementOrHtml });
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}
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denyMoveTransition.value = false;
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return nextTick();
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});
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