handle object destructuring

eslint · Jul 29, 2017 · f9f6582 · f9f6582
1 parent 4251e2a
commit f9f6582
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/lib/rules/prefer-const.js b/lib/rules/prefer-const.js
@@ -204,11 +204,20 @@ function groupByDestructuring(variables, ignoreReadBeforeAssign, checkingMixedDe
         for (const key of identifierMap.keys()) {
             const destructureGroup = identifierMap.get(key);
             const destructureElement = destructureGroup[0];
+            let elementsInHost;
 
-            if (destructureElement && destructureElement.parent && destructureElement.parent.elements) {
-                if (destructureElement.parent.elements.length !== destructureGroup.length) {
-                    identifierMap.delete(key);
+            if (destructureElement && destructureElement.parent) {
+                if (destructureElement.parent.elements) {
+                    elementsInHost = destructureElement.parent.elements;
                 }
+
+                if (destructureElement.parent.parent.type === "ObjectPattern") {
+                    elementsInHost = destructureGroup[0].parent.parent.properties;
+                }
+            }
+
+            if (elementsInHost && elementsInHost.length && elementsInHost.length !== destructureGroup.length) {
+                identifierMap.delete(key);
             }
         }
     }