Fix eslint missing dependencies

Signed-off-by: Knut Ahlers <knut@ahlers.me>

src/package.json

@@ -1,9 +1,19 @@
 {
   "devDependencies": {
     "babel-core": "^6.26.3",
+    "babel-eslint": "^10.0.1",
     "babel-loader": "^7.1.5",
     "babel-preset-env": "^1.7.0",
     "css-loader": "^1.0.0",
+    "eslint": "^5.13.0",
+    "eslint-config-standard": "^12.0.0",
+    "eslint-friendly-formatter": "^4.0.1",
+    "eslint-loader": "^2.1.1",
+    "eslint-plugin-import": "^2.13.0",
+    "eslint-plugin-node": "^8.0.1",
+    "eslint-plugin-promise": "^4.0.1",
+    "eslint-plugin-standard": "^4.0.0",
+    "eslint-plugin-vue": "^5.2.3",
     "node-sass": "^4.9.2",
     "sass-loader": "^7.0.3",
     "style-loader": "^0.21.0",

src/webpack.config.js

@@ -1,29 +1,25 @@
 const path = require('path')
-const webpack = require('webpack');
+const webpack = require('webpack')
 
 const VueLoaderPlugin = require('vue-loader/lib/plugin')
 
-function resolve(dir) {
-  return path.join(__dirname, dir)
-}
-
 module.exports = {
   entry: './main.js',
   output: {
     filename: 'app.js',
-    path: path.resolve(__dirname, '..', 'frontend')
+    path: path.resolve(__dirname, '..', 'frontend'),
   },
   plugins: [
     new webpack.optimize.OccurrenceOrderPlugin(),
     new webpack.DefinePlugin({
       'process.env': {
-        'NODE_ENV': JSON.stringify('production')
+        NODE_ENV: JSON.stringify('production'),
-      }
+      },
     }),
     new VueLoaderPlugin(),
   ],
   optimization: {
-    minimize: true
+    minimize: true,
   },
   module: {
     rules: [
@@ -43,11 +39,9 @@ module.exports = {
         use: {
           loader: 'babel-loader',
           options: {
-            presets: [
+            presets: [['env', { targets: { browsers: ['>0.25%', 'not ie 11', 'not op_mini all'] } }]],
-              ['env', { "targets": { "browsers": [">0.25%", "not ie 11", "not op_mini all"] } }]
+          },
-            ]
+        },
-          }
-        }
       },
 
       {
@@ -55,6 +49,6 @@ module.exports = {
         loader: 'vue-loader',
       },
 
-    ]
+    ],
-  }
+  },
 }