From b53324d2e08b93d7c6a2a8f92a320807203756ec Mon Sep 17 00:00:00 2001
From: JYX <1449843302@qq.com>
Date: Sun, 3 Mar 2019 00:31:14 +0800
Subject: [PATCH] fix($core): Generated js have SyntaxError when source-map is
 enabled (close: #1367) (#1378)

---
 packages/@vuepress/core/lib/build.js | 8 +++++++-
 yarn.lock                            | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/@vuepress/core/lib/build.js b/packages/@vuepress/core/lib/build.js
index 57aaefc728..23e49bbc96 100644
--- a/packages/@vuepress/core/lib/build.js
+++ b/packages/@vuepress/core/lib/build.js
@@ -47,7 +47,13 @@ module.exports = async function build (sourceDir, cliOptions = {}) {
   // find and remove empty style chunk caused by
   // https://github.com/webpack-contrib/mini-css-extract-plugin/issues/85
   // TODO remove when it's fixed
-  await workaroundEmptyStyleChunk()
+  if (!clientConfig.devtool && (!clientConfig.plugins ||           
+    !clientConfig.plugins.some(p =>
+      p instanceof webpack.SourceMapDevToolPlugin ||
+      p instanceof webpack.EvalSourceMapDevToolPlugin
+    ))) {
+    await workaroundEmptyStyleChunk()
+  }
 
   // create server renderer using built manifests
   const renderer = createBundleRenderer(serverBundle, {
diff --git a/yarn.lock b/yarn.lock
index 64877e1baa..c33c127ab1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6568,7 +6568,7 @@ markdown-it-anchor@^5.0.2:
 
 markdown-it-chain@^1.3.0:
   version "1.3.0"
-  resolved "http://registry.npm.taobao.org/markdown-it-chain/download/markdown-it-chain-1.3.0.tgz#ccf6fe86c10266bafb4e547380dfd7f277cc17bc"
+  resolved "https://registry.yarnpkg.com/markdown-it-chain/-/markdown-it-chain-1.3.0.tgz#ccf6fe86c10266bafb4e547380dfd7f277cc17bc"
   dependencies:
     webpack-chain "^4.9.0"