From 2960d3bc9486269626b127db48b53739a8b534f4 Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Tue, 23 Jul 2019 22:16:48 +0800
Subject: [PATCH] fix: fix css modules configuration in css-loader v3

fixes #4337
---
 packages/@vue/cli-service/__tests__/css.spec.js | 5 +++--
 packages/@vue/cli-service/lib/config/css.js     | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/@vue/cli-service/__tests__/css.spec.js b/packages/@vue/cli-service/__tests__/css.spec.js
index f80ca8ccb8..209b0aad8e 100644
--- a/packages/@vue/cli-service/__tests__/css.spec.js
+++ b/packages/@vue/cli-service/__tests__/css.spec.js
@@ -89,9 +89,10 @@ test('CSS Modules rules', () => {
   LANGS.forEach(lang => {
     const expected = {
       importLoaders: 1, // no postcss-loader
-      localIdentName: `[name]_[local]_[hash:base64:5]`,
       sourceMap: false,
-      modules: true
+      modules: {
+        localIdentName: `[name]_[local]_[hash:base64:5]`
+      }
     }
     // vue-modules rules
     expect(findOptions(config, lang, 'css', 0)).toEqual(expected)
diff --git a/packages/@vue/cli-service/lib/config/css.js b/packages/@vue/cli-service/lib/config/css.js
index 97be9e9781..c5c66f1977 100644
--- a/packages/@vue/cli-service/lib/config/css.js
+++ b/packages/@vue/cli-service/lib/config/css.js
@@ -127,8 +127,9 @@ module.exports = (api, options) => {
             localIdentName = '[name]_[local]_[hash:base64:5]'
           } = loaderOptions.css || {}
           Object.assign(cssLoaderOptions, {
-            modules,
-            localIdentName
+            modules: {
+              localIdentName
+            }
           })
         }