Update packages and eslintrc.

.eslintrc.js

@@ -1,21 +1,16 @@
 module.exports = {
-    env: {
-        browser: true,
-        es6: true
-    },
-    extends: 'eslint:recommended',
-    parserOptions: {
-        sourceType: 'module'
-    },
-    rules: {
-        indent: ['error', 4],
-        'linebreak-style': ['error', 'unix'],
-        quotes: ['error', 'single'],
-        semi: ['error', 'never']
-    },
-    globals: {
-        module: true,
-        require: true,
-        __dirname: true
-    }
+  env: {
+    browser: true,
+    es6: true
+  },
+  extends: 'eslint:recommended',
+  parserOptions: {
+    sourceType: 'module'
+  },
+  rules: {
+    indent: ['error', 4],
+    'linebreak-style': ['error', 'unix'],
+    quotes: ['error', 'single'],
+    semi: ['error', 'never']
+  }
 }

package.json

@@ -21,8 +21,8 @@
     "browser-sync": "^2.24.4",
     "browser-sync-webpack-plugin": "^2.2.2",
     "html-webpack-plugin": "^3.2.0",
-    "prettier": "^1.13.5",
-    "webpack": "^4.12.0",
-    "webpack-cli": "^3.0.7"
+    "prettier": "^1.17.0",
+    "webpack": "^4.31.0",
+    "webpack-cli": "^3.3.2"
   }
 }