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⚡ Optimize mouse event handler by removing querySelectorAll

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Co-authored-by: Horizontal42 <75383519+Horizontal42@users.noreply.github.com>
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google-labs-jules[bot] 2026-09-10 08:44:16 +00:00
parent 37cfd2144b
commit 775426ffe0
1 changed files with 13 additions and 4 deletions
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13
src/main.ts
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@ -197,14 +197,23 @@ function setupDocInteraction(el: HTMLElement, doc: DocMeta, list: HTMLElement):
window.removeEventListener("mousemove", onMove); window.removeEventListener("mousemove", onMove);
window.removeEventListener("mouseup", onUp); window.removeEventListener("mouseup", onUp);
list.removeEventListener("scroll", onScroll); list.removeEventListener("scroll", onScroll);
cachedItems = null;
if (dragging) { if (dragging) {
const target = list.querySelector<HTMLElement>(".doc-item.drag-over"); let target: HTMLElement | null = null;
if (cachedItems) {
for (let i = 0, len = cachedItems.length; i < len; i++) {
const item = cachedItems[i].el;
if (item.classList.contains("drag-over")) target = item;
item.classList.remove("drag-over", "dragging");
}
} else {
target = list.querySelector<HTMLElement>(".doc-item.drag-over");
for (const item of list.querySelectorAll(".doc-item")) for (const item of list.querySelectorAll(".doc-item"))
item.classList.remove("drag-over", "dragging"); item.classList.remove("drag-over", "dragging");
}
document.body.style.cursor = ""; document.body.style.cursor = "";
if (target?.dataset.docId) reorderDoc(doc.id, target.dataset.docId); if (target?.dataset.docId) reorderDoc(doc.id, target.dataset.docId);
} }
cachedItems = null;
dragging = false; dragging = false;
}; };
window.addEventListener("mousemove", onMove); window.addEventListener("mousemove", onMove);