chore(deps): update (webpack#373)

Author: evilebottnawi

appveyor.yml

@@ -14,13 +14,13 @@ cache:
 
 environment:
   matrix:
-    - nodejs_version: '11'
-      webpack_version: latest
-    - nodejs_version: '10'
+    - nodejs_version: '6'
       webpack_version: latest
     - nodejs_version: '8'
       webpack_version: latest
-    - nodejs_version: '6'
+    - nodejs_version: '10'
+      webpack_version: latest
+    - nodejs_version: '11'
       webpack_version: latest
 
 matrix:

lib/fs.js

@@ -69,14 +69,17 @@ module.exports = {
     }
 
     let fileSystem;
+
     // store our files in memory
     const isConfiguredFs = context.options.fs;
     const isMemoryFs = !isConfiguredFs
       && !compiler.compilers
       && compiler.outputFileSystem instanceof MemoryFileSystem;
 
     if (isConfiguredFs) {
+      // eslint-disable-next-line no-shadow
       const { fs } = context.options;
+
       if (typeof fs.join !== 'function') {
         // very shallow check
         throw new Error('Invalid options: options.fs.join() method is expected');