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[fix](trx-frontend-http): avoid rerendering unchanged rds af list

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Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-02-28 16:46:55 +01:00
parent ce25751c5d
commit 1f3bdb988a
1 changed files with 13 additions and 4 deletions
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src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js
+13 -4
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@@ -3317,17 +3317,26 @@ async function tuneRdsAlternativeFrequency(hz) {
function renderRdsAlternativeFrequencies(list) {
const afEl = document.getElementById("rds-af-list");
if (!afEl) return;
if (!Array.isArray(list) || list.length === 0) {
const afs = Array.isArray(list)
? list
.filter((hz) => Number.isFinite(hz) && hz > 0)
.map((hz) => Math.round(hz))
: [];
const afKey = afs.join(",");
if (!afs.length) {
if (afEl.dataset.afKey === "") return;
afEl.dataset.afKey = "";
afEl.textContent = "--";
return;
}
if (afEl.dataset.afKey === afKey) return;
afEl.dataset.afKey = afKey;
afEl.innerHTML = "";
for (const hz of list) {
if (!Number.isFinite(hz) || hz <= 0) continue;
for (const hz of afs) {
const btn = document.createElement("button");
btn.type = "button";
btn.className = "rds-af-btn";
btn.dataset.hz = String(Math.round(hz));
btn.dataset.hz = String(hz);
btn.textContent = formatRdsAfMHz(hz);
afEl.appendChild(btn);
}