build(deps-dev): apply updates

[e-mobility-charging-stations-simulator.git] / src / performance / PerformanceStatistics.ts

diff --git a/src/performance/PerformanceStatistics.ts b/src/performance/PerformanceStatistics.ts
index 69829ff186e71fd1aca40e465b1c4b654084c8fc..ecd6b3ab72a8cbf5b2e31865d4e18fc5d91c5131 100644 (file)
--- a/src/performance/PerformanceStatistics.ts
+++ b/src/performance/PerformanceStatistics.ts
@@ -125,9 +125,7 @@ export class PerformanceStatistics {
   }
 
   public stop(): void {
-    if (this.displayInterval) {
-      clearInterval(this.displayInterval);
-    }
+    this.stopLogStatisticsInterval();
     performance.clearMarks();
     performance.clearMeasures();
     this.performanceObserver?.disconnect();
@@ -158,30 +156,42 @@ export class PerformanceStatistics {
   }
 
   private startLogStatisticsInterval(): void {
-    if (Configuration.getLogStatisticsInterval() > 0) {
+    const logStatisticsInterval = Configuration.getLogStatisticsInterval();
+    if (logStatisticsInterval > 0 && !this.displayInterval) {
       this.displayInterval = setInterval(() => {
         this.logStatistics();
-      }, Configuration.getLogStatisticsInterval() * 1000);
+      }, logStatisticsInterval * 1000);
+      logger.info(
+        `${this.logPrefix()} logged every ${Utils.formatDurationSeconds(logStatisticsInterval)}`
+      );
+    } else if (this.displayInterval) {
       logger.info(
-        `${this.logPrefix()} logged every ${Utils.formatDurationSeconds(
-          Configuration.getLogStatisticsInterval()
+        `${this.logPrefix()} already logged every ${Utils.formatDurationSeconds(
+          logStatisticsInterval
         )}`
       );
     } else {
       logger.info(
-        `${this.logPrefix()} log interval is set to ${Configuration.getLogStatisticsInterval()?.toString()}. Not logging statistics`
+        `${this.logPrefix()} log interval is set to ${logStatisticsInterval?.toString()}. Not logging statistics`
       );
     }
   }
 
+  private stopLogStatisticsInterval(): void {
+    if (this.displayInterval) {
+      clearInterval(this.displayInterval);
+      delete this.displayInterval;
+    }
+  }
+
   private median(dataSet: number[]): number {
     if (Array.isArray(dataSet) === true && dataSet.length === 1) {
       return dataSet[0];
     }
     const sortedDataSet = dataSet.slice().sort((a, b) => a - b);
     const middleIndex = Math.floor(sortedDataSet.length / 2);
-    if (sortedDataSet.length % 2) {
-      return sortedDataSet[middleIndex / 2];
+    if (sortedDataSet.length % 2 === 0) {
+      return sortedDataSet[middleIndex];
     }
     return (sortedDataSet[middleIndex - 1] + sortedDataSet[middleIndex]) / 2;
   }
@@ -205,7 +215,7 @@ export class PerformanceStatistics {
     if (Number.isInteger(percentileIndex)) {
       return (sortedDataSet[percentileIndex] + sortedDataSet[percentileIndex + 1]) / 2;
     }
-    return sortedDataSet[Math.round(percentileIndex)];
+    return sortedDataSet[Math.floor(percentileIndex)];
   }
 
   private stdDeviation(dataSet: number[]): number {