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batch doc-list DOM inserts through a DocumentFragment

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renderDocList appended each sheet's element straight to the live list,
forcing a reflow per item; build them in a fragment and append once.
This commit is contained in:
Horizontal42 2026-07-08 14:09:26 +03:00
parent fc3153a7eb
commit e774546818
1 changed files with 3 additions and 1 deletions
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4
src/main.ts
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@ -97,6 +97,7 @@ function reorderDoc(srcId: string, targetId: string): void {
function renderDocList(): void {
const list = $("#doc-list");
list.replaceChildren();
const frag = document.createDocumentFragment();
for (const doc of data.docs) {
const el = document.createElement("div");
el.className = "doc-item" + (doc.id === data.activeId ? " active" : "") + (doc.pinned ? " pinned" : "");
@ -192,8 +193,9 @@ function renderDocList(): void {
saveAppData(data);
});
el.appendChild(del);
list.appendChild(el);
frag.appendChild(el);
}
list.appendChild(frag);
}
function switchDoc(id: string): void {