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Fix empty Advanced Vitals data extraction

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DeNNiiInc
2025-12-29 12:25:43 +11:00
parent 65383788b1
commit ae92d4769a
3 changed files with 51 additions and 11 deletions
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25
vitals.html
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@@ -141,15 +141,22 @@
const tbody = document.getElementById('cls-tbody');
details.clsShifts.forEach(shift => {
const row = document.createElement('tr');
// shift.node might be undefined if it's not element based or structured differently
// Lighthouse CLS structure varies. usually items has `score`, `startTime`, `rects`?
// Actually, items have `score` and `affectedWindows`.
// Wait, `layout-shifts` or `cumulative-layout-shift` details structure:
// It lists the shifts.
// Let's assume standard properties or robust fallback.
const time = shift.startTime ? (shift.startTime).toFixed(0) + 'ms' : '-';
const score = shift.score ? shift.score.toFixed(4) : '0';
const nodes = (shift.impactedNodes || []).map(n => n.node?.snippet).join('<br>') || 'Unknown';
// Handle different Lighthouse versions / audit structures
// Sometimes it's shift.score, sometimes it's inside an object.
// Usually: { score: 0.05, startTime: 1200, impactedNodes: [...] }
const time = (shift.startTime !== undefined) ? (shift.startTime).toFixed(0) + 'ms' : '-';
const score = (shift.score !== undefined) ? shift.score.toFixed(4) : (shift.value ? shift.value.toFixed(4) : '0');
let nodes = 'Unknown';
// layout-shifts audit typically uses 'items' with 'node' or 'caused shifts'
// but often it's just `items` array of shifts.
if (shift.impactedNodes) {
nodes = shift.impactedNodes.map(n => n.node?.snippet || n.node?.selector || 'Node').join('<br>');
} else if (shift.node) {
nodes = shift.node.snippet || shift.node.selector || 'Node';
}
row.innerHTML = `<td>${time}</td><td>${score}</td><td>${nodes}</td>`;
tbody.appendChild(row);