Interface: ReadSummaryMarker

Defined in: node_modules/footprintjs/dist/types/lib/capture/summarize.d.ts:41

Marker recorded in StageSnapshot.stageReads under readTracking: 'summary'.

Honest cost note: size is a cheap proxy (string length / array length / object key count), NOT a serialized byte count — computing real byte size would require an O(value) serialization, which is exactly the cost the summary mode removes. preview is only produced for primitives and strings (first SUMMARY_PREVIEW_LENGTH characters); objects and arrays carry no preview for the same reason.

Extends

• ValueSummary

Properties

__readSummary

__readSummary: true

Defined in: node_modules/footprintjs/dist/types/lib/capture/summarize.d.ts:43

Discriminant — lets snapshot consumers detect marker entries.

---

preview?

optional preview?: string

Defined in: node_modules/footprintjs/dist/types/lib/capture/summarize.d.ts:29

First SUMMARY_PREVIEW_LENGTH chars — primitives and strings only.

Inherited from

ValueSummary.preview

---

size?

optional size?: number

Defined in: node_modules/footprintjs/dist/types/lib/capture/summarize.d.ts:27

Size proxy: string length, array length, or object key count.

Inherited from

ValueSummary.size

---

type

type: SummaryValueType

Defined in: node_modules/footprintjs/dist/types/lib/capture/summarize.d.ts:25

typeof result, refined to 'array' / 'null' for objects.

Inherited from

ValueSummary.type