X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Futils%2FUtils.ts;h=a1b8a8a901fd3eafc5f41172b9606bec887cb1ca;hb=5f7e72c1538ebf67dc5de3c29840f7b4da6704f8;hp=c7fd875f8f7f09130164ee3126eaebd192280e00;hpb=7c72977bb3400f474c8641fc91d9f54fba25cb64;p=e-mobility-charging-stations-simulator.git

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index c7fd875f..a1b8a8a9 100644
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -1,7 +1,14 @@
 import crypto from 'crypto';
+
 import { v4 as uuid } from 'uuid';
 
+import { WebSocketCloseEventStatusString } from '../types/WebSocket';
+
 export default class Utils {
+  private constructor() {
+    // This is intentional
+  }
+
   public static logPrefix(prefixString = ''): string {
     return new Date().toLocaleString() + prefixString;
   }
@@ -10,10 +17,6 @@ export default class Utils {
     return uuid();
   }
 
-  public static equals(obj1: unknown, obj2: unknown): boolean {
-    return JSON.stringify(obj1) === JSON.stringify(obj2);
-  }
-
   public static async sleep(milliSeconds: number): Promise<NodeJS.Timeout> {
     return new Promise((resolve) => setTimeout(resolve as () => void, milliSeconds));
   }
@@ -186,7 +189,7 @@ export default class Utils {
     if (!object) {
       return true;
     }
-    if (Array.isArray(object) && object.length > 0) {
+    if (Array.isArray(object) === true && (object as unknown[]).length > 0) {
       return false;
     }
     return true;
@@ -237,4 +240,49 @@ export default class Utils {
   public static secureRandom(): number {
     return crypto.randomBytes(4).readUInt32LE() / 0x100000000;
   }
+
+  public static JSONStringifyWithMapSupport(
+    obj: Record<string, unknown> | Record<string, unknown>[],
+    space?: number
+  ): string {
+    return JSON.stringify(
+      obj,
+      (key, value: Record<string, unknown>) => {
+        if (value instanceof Map) {
+          return {
+            dataType: 'Map',
+            value: [...value],
+          };
+        }
+        return value;
+      },
+      space
+    );
+  }
+
+  /**
+   * Convert websocket error code to human readable string message
+   *
+   * @param code websocket error code
+   * @returns human readable string message
+   */
+  public 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)';
+  }
 }