1 files changed, 9 insertions, 3 deletions
diff --git a/tools/eslint/lib/rules/operator-assignment.js b/tools/eslint/lib/rules/operator-assignment.js
index aa9e032ae2..9656846019 100644
--- a/tools/eslint/lib/rules/operator-assignment.js
+++ b/tools/eslint/lib/rules/operator-assignment.js
@@ -53,13 +53,19 @@ function same(a, b) {
     switch (a.type) {
         case "Identifier":
             return a.name === b.name;
+
         case "Literal":
             return a.value === b.value;
+
         case "MemberExpression":
-            // x[0] = x[0]
-            // x[y] = x[y]
-            // x.y = x.y
+
+            /*
+             * x[0] = x[0]
+             * x[y] = x[y]
+             * x.y = x.y
+             */
             return same(a.object, b.object) && same(a.property, b.property);
+
         default:
             return false;
     }