Add initial classes structure for the OCPP 2.0 stack

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

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index e2afc28a6412631c8d4cecb49d52991c228ccc06..94fa3d186e432712238ceee87e7f3491244cb5b7 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -1,5 +1,7 @@
 import crypto from 'crypto';
 
+import clone from 'just-clone';
+
 import { WebSocketCloseEventStatusString } from '../types/WebSocket';
 
 export default class Utils {
@@ -50,58 +52,68 @@ export default class Utils {
     return Utils.formatDurationMilliSeconds(duration * 1000);
   }
 
-  public static convertToDate(value: unknown): Date {
-    // Check
-    if (!value) {
-      return value as Date;
+  public static convertToDate(
+    value: Date | string | number | null | undefined
+  ): Date | null | undefined {
+    if (Utils.isNullOrUndefined(value)) {
+      return value as null | undefined;
     }
-    // Check Type
-    if (!(value instanceof Date)) {
-      return new Date(value as string);
+    if (value instanceof Date) {
+      return value;
     }
-    return value;
+    if (Utils.isString(value) || typeof value === 'number') {
+      return new Date(value);
+    }
+    return null;
   }
 
   public static convertToInt(value: unknown): number {
-    let changedValue: number = value as number;
     if (!value) {
       return 0;
     }
+    let changedValue: number = value as number;
     if (Number.isSafeInteger(value)) {
       return value as number;
     }
-    // Check
+    if (typeof value === 'number') {
+      return Math.trunc(value);
+    }
     if (Utils.isString(value)) {
-      // Create Object
       changedValue = parseInt(value as string);
     }
+    if (isNaN(changedValue)) {
+      throw new Error(`Cannot convert to integer: ${value.toString()}`);
+    }
     return changedValue;
   }
 
   public static convertToFloat(value: unknown): number {
-    let changedValue: number = value as number;
     if (!value) {
       return 0;
     }
-    // Check
+    let changedValue: number = value as number;
     if (Utils.isString(value)) {
-      // Create Object
       changedValue = parseFloat(value as string);
     }
+    if (isNaN(changedValue)) {
+      throw new Error(`Cannot convert to float: ${value.toString()}`);
+    }
     return changedValue;
   }
 
   public static convertToBoolean(value: unknown): boolean {
     let result = false;
-    // Check boolean
     if (value) {
       // Check the type
       if (typeof value === 'boolean') {
-        // Already a boolean
-        result = value;
-      } else {
-        // Convert
-        result = value === 'true';
+        return value;
+      } else if (
+        Utils.isString(value) &&
+        ((value as string).toLowerCase() === 'true' || value === '1')
+      ) {
+        result = true;
+      } else if (typeof value === 'number' && value === 1) {
+        result = true;
       }
     }
     return result;
@@ -161,8 +173,12 @@ export default class Utils {
     );
   }
 
-  public static cloneObject<T>(object: T): T {
-    return JSON.parse(JSON.stringify(object)) as T;
+  public static isObject(item: unknown): boolean {
+    return item && typeof item === 'object' && Array.isArray(item) === false;
+  }
+
+  public static cloneObject<T extends object>(object: T): T {
+    return clone<T>(object);
   }
 
   public static isIterable<T>(obj: T): boolean {
@@ -212,7 +228,7 @@ export default class Utils {
     `${str.slice(0, pos)}${subStr}${str.slice(pos)}`;
 
   /**
-   * @param [retryNumber=0]
+   * @param retryNumber - the number of retries that have already been attempted
    * @returns delay in milliseconds
    */
   public static exponentialDelay(retryNumber = 0): number {
@@ -251,7 +267,7 @@ export default class Utils {
   }
 
   public static JSONStringifyWithMapSupport(
-    obj: Record<string, unknown> | Record<string, unknown>[],
+    obj: Record<string, unknown> | Record<string, unknown>[] | Map<string, unknown>,
     space?: number
   ): string {
     return JSON.stringify(
@@ -272,7 +288,7 @@ export default class Utils {
   /**
    * Convert websocket error code to human readable string message
    *
-   * @param code websocket error code
+   * @param code - websocket error code
    * @returns human readable string message
    */
   public static getWebSocketCloseEventStatusString(code: number): string {