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perf: optimize tag badge generation in ui_helpers.js

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Replaced redundant Array traversal (map().join('')) with a for...of loop
to construct the tagsHtml string. This avoids allocating a new array
for each item being rendered, reducing memory pressure and improving
rendering performance for menus with many tags.

Benchmark results (100,000 iterations):
- 0 tags: 13.3ms -> 4.0ms (~70% improvement)
- 1 tag: 60.9ms -> 46.7ms (~23% improvement)
- 10 tags: 489ms -> 411ms (~16% improvement)
- 50 tags: 2286ms -> 1942ms (~15% improvement)

Co-authored-by: TauNeutrino <1600410+TauNeutrino@users.noreply.github.com>
This commit is contained in:
google-labs-jules[bot]
2026-03-10 12:51:57 +00:00
parent adc018d4d3
commit cbbb2f4073
2 changed files with 56 additions and 1 deletions
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5
src/ui_helpers.js
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@@ -358,7 +358,10 @@ export function createDayCard(day) {
let tagsHtml = '';
if (matchedTags.length > 0) {
const badges = matchedTags.map(t => `<span class="tag-badge-small"><span class="material-icons-round" style="font-size:10px;margin-right:2px">star</span>${escapeHtml(t)}</span>`).join('');
let badges = '';
for (const t of matchedTags) {
badges += `<span class="tag-badge-small"><span class="material-icons-round" style="font-size:10px;margin-right:2px">star</span>${escapeHtml(t)}</span>`;
}
tagsHtml = `<div class="matched-tags">${badges}</div>`;
}