From b8ef95eb2aa88a5dc9a9f7004c4e86ab6e86fd17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Sajn=C3=B3g?= <msajnog93@gmail.com>
Date: Fri, 24 Nov 2017 00:05:42 +0100
Subject: [PATCH] Omit BinaryExpression in v-model references check

---
 lib/rules/valid-v-model.js       | 2 +-
 tests/lib/rules/valid-v-model.js | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/rules/valid-v-model.js b/lib/rules/valid-v-model.js
index a0620ecd5..7933483cb 100644
--- a/lib/rules/valid-v-model.js
+++ b/lib/rules/valid-v-model.js
@@ -148,7 +148,7 @@ function create (context) {
 
         for (const reference of node.value.references) {
           const id = reference.id
-          if (id.parent.type === 'MemberExpression') {
+          if (id.parent.type === 'MemberExpression' || id.parent.type === 'BinaryExpression') {
             continue
           }
 
diff --git a/tests/lib/rules/valid-v-model.js b/tests/lib/rules/valid-v-model.js
index ac7039a90..684ac7db6 100644
--- a/tests/lib/rules/valid-v-model.js
+++ b/tests/lib/rules/valid-v-model.js
@@ -66,6 +66,14 @@ tester.run('valid-v-model', rule, {
     {
       filename: 'test.vue',
       code: '<template><div><div v-for="x in list"><input v-model="x.foo"></div></div></template>'
+    },
+    {
+      filename: 'test.vue',
+      code: '<template><div><div v-for="x in list"><input v-model="foo[x]"></div></div></template>'
+    },
+    {
+      filename: 'test.vue',
+      code: '<template><div><div v-for="x in list"><input v-model="foo[x - 1]"></div></div></template>'
     }
   ],
   invalid: [