fix

@@ -56,6 +56,9 @@
     "THREE": true,
     "TWEEN": true,
     "Stats":true,
+    "require": true,
+    "process": true,
+    "__dirname": true,
     "_": true
   }
 }

-/* jshint esversion: 6 */
 const path = require('path')
 const webpack = require('webpack')
 const CompressionWebpackPlugin = require('compression-webpack-plugin')
 
-function resolve (dir) {
-  return path.join(__dirname, './', dir)
-}
+// function resolve (dir) {
+//   return path.join(__dirname, './', dir)
+// }
 
 // cdn预加载使用
 const externals = {