@nerjs/batchloader
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`BatchLoader` is a tool for batching data requests with support for deduplication, caching, and parallel task management. It is designed to enhance flexibility and performance in scenarios requiring asynchronous data processing. This module was inspired b
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TypeScript
export interface IBatchAggregatorOptions {
/**
* @description Maximum number of parallel tasks (default: unlimited)
*/
concurrencyLimit?: number;
/**
* @description Maximum number of requests per batch
*/
maxBatchSize: number;
/**
* @description Maximum time to form a batch
*/
batchTimeMs: number;
/**
* @description Maximum waiting time for tasks in the queue (only if concurrencyLimit > 0)
*/
maxWaitingTimeMs?: number;
/**
* @description Maximum execution time for batchFn (the function passed as the first argument)
*/
timeoutMs: number;
}
export type BatchLoaderFn<T, R> = (batchArray: T[], signal: AbortSignal) => Promise<R[]> | R[];
export interface IBatchAggregatorMetrics {
loadBatchItem?: () => void;
runBatch?: (batchSize: number) => void;
resolveBatch?: (batchSize: number) => void;
rejectBatch?: (batchSize: number) => void;
parallelBatches?: (batchesCount: number) => void;
waitingBatches?: (batchesCount: number) => void;
}