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Ensure positions has length before referencing (#998)

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dbseel
2026-04-01 12:00:00 +08:00
committed by GitHub
parent c697294451
commit dd77986de6
1 changed files with 3 additions and 1 deletions
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4
packages/rrweb/src/replay/timer.ts
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@@ -101,7 +101,9 @@ export function addDelay(event: eventWithTime, baselineTime: number): number {
// so we need to find the real timestamp by traverse the time offsets. // so we need to find the real timestamp by traverse the time offsets.
if ( if (
event.type === EventType.IncrementalSnapshot && event.type === EventType.IncrementalSnapshot &&
event.data.source === IncrementalSource.MouseMove event.data.source === IncrementalSource.MouseMove &&
event.data.positions &&
event.data.positions.length
) { ) {
const firstOffset = event.data.positions[0].timeOffset; const firstOffset = event.data.positions[0].timeOffset;
// timeOffset is a negative offset to event.timestamp // timeOffset is a negative offset to event.timestamp