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wrapBatchWithMetrics

API Docs

Function: wrapBatchWithMetrics()

wrapBatchWithMetrics<K, V>(op, perf, batchFn): (keys) => Promise<(V | null)[]>

Defined in: src/utilities/metrics/withMetrics.ts:18

Wraps a DataLoader batch function with performance tracking. Tracks the duration of database operations for monitoring.

Type Parameters​

K​

K

V​

V

Parameters​

op​

string

Operation name for tracking (e.g., "users.byId", "organizations.byId")

perf​

PerformanceTracker

Performance tracker instance

batchFn​

(keys) => Promise<(V | null)[]>

The original batch function that fetches data

Returns​

A wrapped batch function that tracks performance

(keys): Promise<(V | null)[]>

Parameters​

keys​

readonly K[]

Returns​

Promise<(V | null)[]>

Example​

const meteredBatch = wrapBatchWithMetrics("users.byId", perf, batchFn);
return new DataLoader(meteredBatch);