footprintjs - v11.2.0
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    Variable RecorderOperationConst

    RecorderOperation: {
        Accumulate: "accumulate";
        Aggregate: "aggregate";
        Translate: "translate";
    } = ...

    RecorderOperation — the three standard operations on auto-collected traversal data.

    Data is collected during the single DFS traversal. The consumer chooses the operation at READ time:

    Operation KeyedStore method SequenceStore method Use case
    Translate get(id) getByKey(id) Per-step detail
    Accumulate accumulate(fn, init, k) accumulate(fn, init, k) Running total up to slider
    Aggregate aggregate(fn, init) aggregate(fn, init) Grand total for dashboards

    Recorders declare a preferredOperation to hint the UI about which operation to show prominently. The consumer can override via constructor options.

    Type Declaration

    • ReadonlyAccumulate: "accumulate"

      Progressive running total — value grows as the slider scrubs forward.

    • ReadonlyAggregate: "aggregate"

      Grand total across all steps — dashboard / export summary.

    • ReadonlyTranslate: "translate"

      Per-step detail — what happened at this execution step?

    import { MetricRecorder, RecorderOperation } from 'footprintjs';

    // Use named constant (autocomplete)
    new MetricRecorder({ preferredOperation: RecorderOperation.Aggregate });

    // Or inline string (same type)
    new MetricRecorder({ preferredOperation: 'accumulate' });

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