Check object keys in isEqual

exceljs · Oct 9, 2021 · e2c2819 · e2c2819
1 parent da5e743
commit e2c2819
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/lib/utils/under-dash.js b/lib/utils/under-dash.js
@@ -55,6 +55,7 @@ const _ = {
     const bType = typeof b;
     const aArray = Array.isArray(a);
     const bArray = Array.isArray(b);
+    let keys;
 
     if (aType !== bType) {
       return false;
@@ -73,6 +74,19 @@ const _ = {
           }
           return false;
         }
+
+        keys = Object.keys(a);
+
+        if (Object.keys(b).length !== keys.length) {
+          return false;
+        }
+
+        for (const key of keys) {
+          if (!b.hasOwnProperty(key)) {
+            return false;
+          }
+        }
+
         return _.every(a, (aValue, key) => {
           const bValue = b[key];
           return _.isEqual(aValue, bValue);