X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils.ts;h=400a92b14a7f42e8518878af1744623c8f6c2290;hb=f7d15c1217381b306300beb7926b42fde93bc579;hp=38e15eb6d4c257779a2a68590d578b8246b6cfbc;hpb=728b7bbdfbaf327a620aae50beb974b15a0a33d2;p=poolifier.git

diff --git a/src/utils.ts b/src/utils.ts
index 38e15eb6..400a92b1 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -52,16 +52,15 @@ 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 +73,7 @@ export const availableParallelism = (): number => {
  * @returns The worker type of the given worker.
  * @internal
  */
-export const getWorkerType = <Worker extends IWorker>(
-  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 +88,7 @@ export const getWorkerType = <Worker extends IWorker>(
  * @returns The worker id of the given worker.
  * @internal
  */
-export const getWorkerId = <Worker extends IWorker>(
-  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 +101,10 @@ export const getWorkerId = <Worker extends IWorker>(
  *
  * @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<void> => {
-  await new Promise((resolve) => {
+  await new Promise(resolve => {
     setTimeout(resolve, ms)
   })
 }
@@ -179,6 +175,7 @@ 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 +187,7 @@ 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 +216,7 @@ export const isKillBehavior = <KB extends KillBehavior>(
  *
  * @param fn - Any value.
  * @returns `true` if `fn` was an asynchronous function, otherwise `false`.
+ * @internal
  */
 export const isAsyncFunction = (
   fn: unknown
@@ -242,11 +241,11 @@ export const updateMeasurementStatistics = (
   if (measurementRequirements.aggregate) {
     measurementStatistics.aggregate =
       (measurementStatistics.aggregate ?? 0) + measurementValue
-    measurementStatistics.minimum = Math.min(
+    measurementStatistics.minimum = min(
       measurementValue,
       measurementStatistics.minimum ?? Infinity
     )
-    measurementStatistics.maximum = Math.max(
+    measurementStatistics.maximum = max(
       measurementValue,
       measurementStatistics.maximum ?? -Infinity
     )
@@ -257,19 +256,46 @@ export const updateMeasurementStatistics = (
       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
       }
     }
   }
 }
 
 /**
- * Generate a cryptographically secure random number in the [0,1[ range
+ * Generates a cryptographically secure random number in the [0,1[ range
  *
  * @returns A number in the [0,1[ range
+ * @internal
  */
 export const secureRandom = (): number => {
   return webcrypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000
 }
+
+/**
+ * Returns the minimum of the given numbers.
+ * If no numbers are given, `Infinity` is returned.
+ *
+ * @param args - The numbers to get the minimum of.
+ * @returns The minimum of the given numbers.
+ * @internal
+ */
+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)