Update all JS dependencies

Author: jhawthorn

package.json

@@ -19,17 +19,17 @@
   },
   "homepage": "https://github.com/jhawthorn/curl-to-ruby#readme",
   "dependencies": {
-    "babel-core": "^6.9.0",
-    "babel-loader": "^7.1.2",
-    "babel-polyfill": "^6.9.0",
-    "babel-preset-env": "^1.6.1",
+    "@babel/core": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "babel-loader": "^8.0.6",
     "highlight.js": "^9.4.0",
-    "query-string": "^5.0.1",
+    "query-string": "^6.8.2",
     "shell-quote": "^1.6.0",
-    "webpack": "^3.8.1"
+    "webpack": "^4.39.2"
   },
   "devDependencies": {
-    "babel-eslint": "^8.0.2",
-    "expose-loader": "^0.7.1"
+    "babel-eslint": "^10.0.2",
+    "expose-loader": "^0.7.1",
+    "webpack-cli": "^3.3.6"
   }
 }

resources/js/curl-to-ruby.js

@@ -15,17 +15,15 @@ module.exports = {
   },
 
   module: {
-    loaders: [
+    rules: [
       {
         test: /\.js$/,
         exclude: /node_modules/,
-        loader: "babel-loader",
-        options: {
-          presets: [
-            ['env', {
-              "targets": { "browsers": "> 3% in US" }
-            }]
-          ]
+        use: {
+          loader: 'babel-loader',
+          options: {
+            presets: ['@babel/preset-env']
+          }
         }
       }
     ]