Add eslint jsdoc plugin and refine a bit the existing comments.

[e-mobility-charging-stations-simulator.git] / src / utils / Utils.ts

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index 4876f46db8c0483b72e0d81e6affd76941673e46..1a0d7b70c1fb26feea3e95886b2ea0c4d4fb1126 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -1,3 +1,6 @@
+import Configuration from './Configuration';
+import { WebSocketCloseEventStatusString } from '../types/WebSocket';
+import { WorkerProcessType } from '../types/Worker';
 import { v4 as uuid } from 'uuid';
 
 export default class Utils {
@@ -10,14 +13,14 @@ export default class Utils {
   }
 
   static secondsToHHMMSS(seconds: number): string {
-    return new Date(seconds * 1000).toISOString().substr(11, 8);
+    return Utils.milliSecondsToHHMMSS(seconds * 1000);
   }
 
   static milliSecondsToHHMMSS(milliSeconds: number): string {
     return new Date(milliSeconds).toISOString().substr(11, 8);
   }
 
-  static removeExtraEmptyLines(tab): void {
+  static removeExtraEmptyLines(tab: string[]): void {
     // Start from the end
     for (let i = tab.length - 1; i > 0; i--) {
       // Two consecutive empty lines?
@@ -102,7 +105,13 @@ export default class Utils {
   }
 
   static roundTo(number: number, scale: number): number {
-    return Utils.convertToFloat(number.toFixed(scale));
+    const roundPower = Math.pow(10, scale);
+    return Math.round(number * roundPower) / roundPower;
+  }
+
+  static truncTo(number: number, scale: number): number {
+    const truncPower = Math.pow(10, scale);
+    return Math.trunc(number * truncPower) / truncPower;
   }
 
   static getRandomFloatRounded(max: number, min = 0, scale = 2): number {
@@ -117,8 +126,8 @@ export default class Utils {
     return date.toLocaleString() + prefixString;
   }
 
-  static cloneObject(object) {
-    return JSON.parse(JSON.stringify(object));
+  static cloneObject<T>(object: T): T {
+    return JSON.parse(JSON.stringify(object)) as T;
   }
 
   static isIterable(obj): boolean {
@@ -150,7 +159,7 @@ export default class Utils {
   }
 
   static isNullOrUndefined(value): boolean {
-    // eslint-disable-next-line no-eq-null
+    // eslint-disable-next-line no-eq-null, eqeqeq
     if (value == null) {
       return true;
     }
@@ -175,11 +184,39 @@ export default class Utils {
 
   /**
    * @param  {number} [retryNumber=0]
-   * @return {number} - delay in milliseconds
+   * @returns {number} - delay in milliseconds
    */
   static exponentialDelay(retryNumber = 0): number {
     const delay = Math.pow(2, retryNumber) * 100;
     const randomSum = delay * 0.2 * Math.random(); // 0-20% of the delay
     return delay + randomSum;
   }
+
+  static getWebSocketCloseEventStatusString(code: number): string {
+    if (code >= 0 && code <= 999) {
+      return '(Unused)';
+    } else if (code >= 1016) {
+      if (code <= 1999) {
+        return '(For WebSocket standard)';
+      } else if (code <= 2999) {
+        return '(For WebSocket extensions)';
+      } else if (code <= 3999) {
+        return '(For libraries and frameworks)';
+      } else if (code <= 4999) {
+        return '(For applications)';
+      }
+    }
+    if (!Utils.isUndefined(WebSocketCloseEventStatusString[code])) {
+      return WebSocketCloseEventStatusString[code] as string;
+    }
+    return '(Unknown)';
+  }
+
+  static workerPoolInUse(): boolean {
+    return [WorkerProcessType.DYNAMIC_POOL, WorkerProcessType.STATIC_POOL].includes(Configuration.getWorkerProcess());
+  }
+
+  static workerDynamicPoolInUse(): boolean {
+    return Configuration.getWorkerProcess() === WorkerProcessType.DYNAMIC_POOL;
+  }
 }