feat: handle connectors status at stop with evses configuration

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

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index ab2a8a5f26302bf23d52aa3bf0a21e407d29ace8..4306d8872e0114928481769feb6bb6daf5ff603e 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -3,10 +3,11 @@ import util from 'node:util';
 
 import clone from 'just-clone';
 
-import Constants from './Constants';
-import { WebSocketCloseEventStatusString } from '../types/WebSocket';
+// import { Constants } from './internal';
+import { Constants } from './Constants';
+import { WebSocketCloseEventStatusString } from '../types';
 
-export default class Utils {
+export class Utils {
   private constructor() {
     // This is intentional
   }
@@ -128,8 +129,7 @@ export default class Utils {
     if (max - min === Infinity) {
       throw new RangeError('Invalid interval');
     }
-    const randomPositiveFloat = crypto.randomBytes(4).readUInt32LE() / 0xffffffff;
-    return randomPositiveFloat * (max - min) + min;
+    return (crypto.randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min;
   }
 
   public static getRandomInteger(max = Constants.MAX_RANDOM_INTEGER, min = 0): number {
@@ -186,6 +186,14 @@ export default class Utils {
     return clone<T>(object);
   }
 
+  public static hasOwnProp(object: unknown, property: PropertyKey): boolean {
+    return Utils.isObject(object) && Object.hasOwn(object as object, property);
+  }
+
+  public static isCFEnvironment(): boolean {
+    return !Utils.isNullOrUndefined(process.env.VCAP_APPLICATION);
+  }
+
   public static isIterable<T>(obj: T): boolean {
     return !Utils.isNullOrUndefined(obj) ? typeof obj[Symbol.iterator] === 'function' : false;
   }
@@ -215,13 +223,11 @@ export default class Utils {
   }
 
   public static isEmptyArray(object: unknown | unknown[]): boolean {
-    if (!Array.isArray(object)) {
-      return true;
-    }
-    if (object.length > 0) {
-      return false;
-    }
-    return true;
+    return Array.isArray(object) && object.length === 0;
+  }
+
+  public static isNotEmptyArray(object: unknown | unknown[]): boolean {
+    return Array.isArray(object) && object.length > 0;
   }
 
   public static isEmptyObject(obj: object): boolean {
@@ -243,9 +249,9 @@ export default class Utils {
    * @param retryNumber - the number of retries that have already been attempted
    * @returns delay in milliseconds
    */
-  public static exponentialDelay(retryNumber = 0): number {
+  public static exponentialDelay(retryNumber = 0, maxDelayRatio = 0.2): number {
     const delay = Math.pow(2, retryNumber) * 100;
-    const randomSum = delay * 0.2 * Utils.secureRandom(); // 0-20% of the delay
+    const randomSum = delay * maxDelayRatio * Utils.secureRandom(); // 0-20% of the delay
     return delay + randomSum;
   }