X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils.ts;h=d7ce5a210f2dea09290fd90a5f4eb64fcb2162d5;hb=bfc75ccaf49d915d2b7e73c92360787b3245321a;hp=82c38c09e7161fd06e2c6f1628fdaad1e8f4c63f;hpb=bdb9d7125f62a36dd65cba6aa9110ce269359f0a;p=poolifier.git diff --git a/src/utils.ts b/src/utils.ts index 82c38c09..d7ce5a21 100644 --- a/src/utils.ts +++ b/src/utils.ts @@ -7,12 +7,7 @@ import type { WorkerChoiceStrategyOptions } from './pools/selection-strategies/selection-strategies-types' import type { KillBehavior } from './worker/worker-options' -import { - type IWorker, - type MeasurementStatistics, - type WorkerType, - WorkerTypes -} from './pools/worker' +import { type IWorker, type WorkerType, WorkerTypes } from './pools/worker' /** * Default task name. @@ -52,16 +47,15 @@ export const DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS: MeasurementStatisticsR * Always returns a value greater than zero. * * @returns The host OS optimized maximum pool size. - * @internal */ export const availableParallelism = (): number => { let availableParallelism = 1 try { availableParallelism = os.availableParallelism() } catch { - const numberOfCpus = os.cpus() - if (Array.isArray(numberOfCpus) && numberOfCpus.length > 0) { - availableParallelism = numberOfCpus.length + const cpus = os.cpus() + if (Array.isArray(cpus) && cpus.length > 0) { + availableParallelism = cpus.length } } return availableParallelism @@ -74,9 +68,7 @@ export const availableParallelism = (): number => { * @returns The worker type of the given worker. * @internal */ -export const getWorkerType = ( - worker: Worker -): WorkerType | undefined => { +export const getWorkerType = (worker: IWorker): WorkerType | undefined => { if (worker instanceof ThreadWorker) { return WorkerTypes.thread } else if (worker instanceof ClusterWorker) { @@ -91,9 +83,7 @@ export const getWorkerType = ( * @returns The worker id of the given worker. * @internal */ -export const getWorkerId = ( - worker: Worker -): number | undefined => { +export const getWorkerId = (worker: IWorker): number | undefined => { if (worker instanceof ThreadWorker) { return worker.threadId } else if (worker instanceof ClusterWorker) { @@ -106,9 +96,10 @@ export const getWorkerId = ( * * @param ms - The amount of milliseconds to sleep. * @returns A promise that resolves after the given amount of milliseconds. + * @internal */ export const sleep = async (ms: number): Promise => { - await new Promise((resolve) => { + await new Promise(resolve => { setTimeout(resolve, ms) }) } @@ -179,6 +170,7 @@ export const median = (dataSet: number[]): number => { * @param num - The number to round. * @param scale - The scale to round to. * @returns The rounded number. + * @internal */ export const round = (num: number, scale = 2): number => { const rounder = Math.pow(10, scale) @@ -190,6 +182,7 @@ export const round = (num: number, scale = 2): number => { * * @param obj - The object to check. * @returns `true` if the given object is a plain object, `false` otherwise. + * @internal */ export const isPlainObject = (obj: unknown): boolean => typeof obj === 'object' && @@ -218,6 +211,7 @@ export const isKillBehavior = ( * * @param fn - Any value. * @returns `true` if `fn` was an asynchronous function, otherwise `false`. + * @internal */ export const isAsyncFunction = ( fn: unknown @@ -226,54 +220,33 @@ export const isAsyncFunction = ( } /** - * Updates the given measurement statistics. + * Generates a cryptographically secure random number in the [0,1[ range * - * @param measurementStatistics - The measurement statistics to update. - * @param measurementRequirements - The measurement statistics requirements. - * @param measurementValue - The measurement value. - * @param numberOfMeasurements - The number of measurements. + * @returns A number in the [0,1[ range * @internal */ -export const updateMeasurementStatistics = ( - measurementStatistics: MeasurementStatistics, - measurementRequirements: MeasurementStatisticsRequirements, - measurementValue: number -): void => { - if (measurementRequirements.aggregate) { - measurementStatistics.aggregate = - (measurementStatistics.aggregate ?? 0) + measurementValue - measurementStatistics.minimum = Math.min( - measurementValue, - measurementStatistics.minimum ?? Infinity - ) - measurementStatistics.maximum = Math.max( - measurementValue, - measurementStatistics.maximum ?? -Infinity - ) - if ( - (measurementRequirements.average || measurementRequirements.median) && - measurementValue != null - ) { - measurementStatistics.history.push(measurementValue) - if (measurementRequirements.average) { - measurementStatistics.average = average(measurementStatistics.history) - } else if (measurementStatistics.average != null) { - delete measurementStatistics.average - } - if (measurementRequirements.median) { - measurementStatistics.median = median(measurementStatistics.history) - } else if (measurementStatistics.median != null) { - delete measurementStatistics.median - } - } - } +export const secureRandom = (): number => { + return webcrypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000 } /** - * Generate a cryptographically secure random number in the [0,1[ range + * Returns the minimum of the given numbers. + * If no numbers are given, `Infinity` is returned. * - * @returns A number in the [0,1[ range + * @param args - The numbers to get the minimum of. + * @returns The minimum of the given numbers. + * @internal */ -export const secureRandom = (): number => { - return webcrypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000 -} +export const min = (...args: number[]): number => + args.reduce((minimum, num) => (minimum < num ? minimum : num), Infinity) + +/** + * Returns the maximum of the given numbers. + * If no numbers are given, `-Infinity` is returned. + * + * @param args - The numbers to get the maximum of. + * @returns The maximum of the given numbers. + * @internal + */ +export const max = (...args: number[]): number => + args.reduce((maximum, num) => (maximum > num ? maximum : num), -Infinity)