Merge pull request #1360 from ethereum/bunsenstraat-patch-1-1

prevent recreating directories after deleting a file in a deleted directory

libs/remix-ui/file-explorer/src/lib/reducers/fileSystem.ts

@@ -266,8 +266,8 @@ const removePath = (root, path: string, pathName, files) => {
     return Array.isArray(cur) ? [...acc, ...cur] : [...acc, cur]
   }, [])
   const prevFiles = _.get(files, _path)
-
-  prevFiles && prevFiles.child && prevFiles.child[pathName] && delete prevFiles.child[pathName]
+  if (prevFiles) {
+    prevFiles.child && prevFiles.child[pathName] && delete prevFiles.child[pathName]
     files = _.set(files, _path, {
       isDirectory: true,
       path,
@@ -275,6 +275,7 @@ const removePath = (root, path: string, pathName, files) => {
       type: extractNameFromKey(path).indexOf('gist-') === 0 ? 'gist' : 'folder',
       child: prevFiles ? prevFiles.child : {}
     })
+  }
 
   return files
 }