Feature Utilities class to migrate from prototype implementation (#9)

Feature `Utilities class` to migrate from prototype implementation

Author: EmptyWork

src/lib/categoriesHandlers.class.js

@@ -1,7 +1,4 @@
-
-Array.prototype.isEmpty = (arr) => {
-    return (arr === undefined || arr.length === 0) ? false : true
-}
+import Utility from './utilities.class.js'
 
 class Categories {
     getCategoriesFlags = array => {
@@ -17,7 +14,7 @@ class Categories {
     }
 
     getCategoriesFromCategoriesFlags = array => {
-        return (!Array.isEmpty(array)) ? array : undefined
+        return (!Utility.isEmpty(array)) ? array : undefined
     }
 }
 

src/lib/utilities.class.js

@@ -0,0 +1,21 @@
+class Utility {
+    isEmpty = data => {
+        let result;
+        if (typeof data === 'array') result = this.#isArrayEmpty(data)
+        if (typeof data === 'object') result = this.#isObjEmpty(data)
+
+        return result
+    }
+
+    #isArrayEmpty = (data = []) => {
+        return (data === undefined || data.length === 0) ? false : true
+    }
+
+    #isObjEmpty = (data = {}) => {
+        for (const prop in data)
+            if (Object.hasOwn(data, prop)) return false
+        return true
+    }
+}
+
+export default new Utility()