diff --git a/lib/install/config/webpack/configuration.js b/lib/install/config/webpack/configuration.js
index 0f5e4437a..28a261dcc 100644
--- a/lib/install/config/webpack/configuration.js
+++ b/lib/install/config/webpack/configuration.js
@@ -15,12 +15,12 @@ function removeOuterSlashes(string) {
 }
 
 function formatPublicPath(host = '', path = '') {
-  host = removeOuterSlashes(host)
-  path = removeOuterSlashes(path)
-  if (host && !/^http/i.test(host)) {
-    host = `//${host}`
+  let formattedHost = removeOuterSlashes(host)
+  if (formattedHost && !/^http/i.test(formattedHost)) {
+    formattedHost = `//${formattedHost}`
   }
-  return `${host}/${path}/`
+  const formattedPath = removeOuterSlashes(path)
+  return `${formattedHost}/${formattedPath}/`
 }
 
 const output = {
diff --git a/lib/install/config/webpack/development.server.js b/lib/install/config/webpack/development.server.js
index 98506f72c..08dc44cec 100644
--- a/lib/install/config/webpack/development.server.js
+++ b/lib/install/config/webpack/development.server.js
@@ -1,6 +1,5 @@
 // Note: You must restart bin/webpack-dev-server for changes to take effect
 
-const { resolve } = require('path')
 const merge = require('webpack-merge')
 const ManifestPlugin = require('webpack-manifest-plugin')
 const devConfig = require('./development.js')
diff --git a/lib/install/config/webpack/shared.js b/lib/install/config/webpack/shared.js
index 1fa3fdcf9..53a0b5895 100644
--- a/lib/install/config/webpack/shared.js
+++ b/lib/install/config/webpack/shared.js
@@ -37,7 +37,11 @@ module.exports = {
   plugins: [
     new webpack.EnvironmentPlugin(JSON.parse(JSON.stringify(env))),
     new ExtractTextPlugin(env.NODE_ENV === 'production' ? '[name]-[hash].css' : '[name].css'),
-    new ManifestPlugin({ fileName: paths.manifest, publicPath: output.publicPath, writeToFileEmit: true })
+    new ManifestPlugin({
+      fileName: paths.manifest,
+      publicPath: output.publicPath,
+      writeToFileEmit: true
+    })
   ],
 
   resolve: {
diff --git a/lib/webpacker/configuration.rb b/lib/webpacker/configuration.rb
index 60bdc8716..ad330ef2f 100644
--- a/lib/webpacker/configuration.rb
+++ b/lib/webpacker/configuration.rb
@@ -16,7 +16,6 @@ def manifest_path
       output_path.join(fetch(:manifest))
     end
 
-
     def source_path
       Rails.root.join(source)
     end
@@ -29,7 +28,6 @@ def config_path
       Rails.root.join(fetch(:config))
     end
 
-
     def file_path(root: Rails.root)
       root.join("config/webpack/paths.yml")
     end
@@ -38,7 +36,6 @@ def default_file_path
       file_path(root: Pathname.new(__dir__).join("../install"))
     end
 
-
     def source
       fetch(:source)
     end
@@ -47,7 +44,6 @@ def fetch(key)
       paths.fetch(key, default_paths[key])
     end
 
-
     def paths
       load if Webpacker.env.development?
       raise Webpacker::FileLoader::FileLoaderError.new("Webpacker::Configuration.load must be called first") unless instance