use empty-module and ContextReplacementPlugin to exclude moment l…

…ocales(via moment/moment#2979 (comment))

build/webpack/index.js

@@ -164,6 +164,7 @@ let templateContent = fs.readFileSync(paths.src('index.pug')).toString()
 __MOCK__ && (templateContent = templateContent.replace(/\/\/pre /g, ''))
 
 webpackConfig.plugins = [
+  new webpack.ContextReplacementPlugin(/\.\/locale$/, 'empty-module', false, /js$/),
   new webpack.DefinePlugin(globals),
   new webpack.LoaderOptionsPlugin({
     minimize: __PROD__,

package.json

@@ -80,6 +80,7 @@
     "cssnano": "^3.8.1",
     "debug": "^2.3.3",
     "del": "^2.2.2",
+    "empty-module": "^0.0.2",
     "eslint": "^3.11.1",
     "eslint-config-standard": "^6.2.1",
     "eslint-friendly-formatter": "^2.0.6",

yarn.lock

@@ -2426,6 +2426,10 @@ emojis-list@^2.0.0:
   version "2.1.0"
   resolved "http://registry.npm.taobao.org/emojis-list/download/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
 
+empty-module@^0.0.2:
+  version "0.0.2"
+  resolved "http://registry.npm.taobao.org/empty-module/download/empty-module-0.0.2.tgz#13b4dd8d4afeddd35e50c18dcd788c51087f1545"
+
 encodeurl@~1.0.1:
   version "1.0.1"
   resolved "http://registry.npm.taobao.org/encodeurl/download/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"