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fix(web-probe): segment cross-page divergence windows (#756)

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Co-authored-by: Codex <codex@noreply.local>
This commit is contained in:
Lyon
2026-06-23 21:51:09 +08:00
committed by GitHub
parent 0a1d43183c
commit c3ba0b13f8
1 changed files with 25 additions and 4 deletions
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scripts/src/hwlab-node-web-observe-runner-source.ts
+25 -4
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@@ -5974,14 +5974,35 @@ function annotateCrossPageDiffTiming(rows) {
}
const result = [];
for (const group of groups.values()) {
const observedSpanMs = group.firstMs === null || group.lastMs === null ? null : group.lastMs - group.firstMs;
for (const row of group.rows) {
const sortedRows = group.rows.slice().sort((a, b) => Number(Date.parse(String(a.sampleStartAt || ""))) - Number(Date.parse(String(b.sampleStartAt || ""))));
const segments = [];
const splitGapMs = Math.max(1000, Number(alertThresholds.crossPageProjectionDivergenceRedMs || alertThresholds.visibleLoadingSlowMs || 10_000));
for (const row of sortedRows) {
const startMs = Date.parse(String(row.sampleStartAt || ""));
const endMs = Date.parse(String(row.sampleEndAt || row.sampleStartAt || ""));
const last = segments.at(-1);
const lastEndMs = last && last.lastMs !== null ? last.lastMs : null;
if (!last || (Number.isFinite(startMs) && lastEndMs !== null && startMs - lastEndMs > splitGapMs)) {
segments.push({ rows: [row], firstMs: Number.isFinite(startMs) ? startMs : null, lastMs: Number.isFinite(endMs) ? endMs : Number.isFinite(startMs) ? startMs : null });
continue;
}
last.rows.push(row);
if (Number.isFinite(startMs) && (last.firstMs === null || startMs < last.firstMs)) last.firstMs = startMs;
const effectiveEndMs = Number.isFinite(endMs) ? endMs : Number.isFinite(startMs) ? startMs : null;
if (effectiveEndMs !== null && (last.lastMs === null || effectiveEndMs > last.lastMs)) last.lastMs = effectiveEndMs;
}
for (let segmentIndex = 0; segmentIndex < segments.length; segmentIndex += 1) {
const segment = segments[segmentIndex];
const observedSpanMs = segment.firstMs === null || segment.lastMs === null ? null : segment.lastMs - segment.firstMs;
for (const row of segment.rows) {
result.push({
...row,
observedFirstAt: group.firstMs === null ? null : new Date(group.firstMs).toISOString(),
observedLastAt: group.lastMs === null ? null : new Date(group.lastMs).toISOString(),
segmentIndex,
observedFirstAt: segment.firstMs === null ? null : new Date(segment.firstMs).toISOString(),
observedLastAt: segment.lastMs === null ? null : new Date(segment.lastMs).toISOString(),
observedSpanMs,
});
}
}
}
return result;