UDCSL #54 - Adding check to ObjectUtils to handle function equality

packages/shared/src/utils/Object.js

@@ -79,6 +79,11 @@ const isEqual = (a: any, b: any, userOptions: OptionsProps = {}) => {
     }
   }
 
+  // Test function equality using the toString method
+  if (_.isFunction(a) && _.isFunction(b) && a.toString() === b.toString()) {
+    return true;
+  }
+
   if (a !== null && typeof a === 'object' && b !== null && typeof b === 'object') {
     const aKeys = _.keys(a);
     const bKeys = _.keys(b);

packages/shared/test/utils/Object.spec.js

@@ -0,0 +1,42 @@
+import ObjectUtils from '../../src/utils/Object';
+
+describe('isEqual', () => {
+  test('should be equal for two null objects', () => {
+    expect(ObjectUtils.isEqual(null, null)).toBeTruthy();
+  });
+
+  test('should be equal for two strings of the same value', () => {
+    expect(ObjectUtils.isEqual('abc', 'abc')).toBeTruthy();
+  });
+
+  test('should be equal for the same object', () => {
+    const obj1 = {
+      id: 1,
+      name: 'Test',
+      children: [{
+        id: 1
+      }, {
+        id: 2
+      }]
+    };
+
+    const obj2 = {
+      id: 1,
+      name: 'Test',
+      children: [{
+        id: 1
+      }, {
+        id: 2
+      }]
+    };
+
+    expect(ObjectUtils.isEqual(obj1, obj2)).toBeTruthy();
+  });
+
+  test('should be equal for the same function', () => {
+    const func1 = () => 'test';
+    const func2 = () => 'test';
+
+    expect(ObjectUtils.isEqual(func1, func2)).toBeTruthy();
+  });
+});