Update to Laravel Mix 4 (area17#113)

* Update to Laravel Mix 4

* update Mix

* update laravel-mix to 4.0.13

* switch out node-sass for sass

.babelrc

@@ -1,20 +1,20 @@
 {
   "presets": [
-    ["env", {
+    ["@babel/preset-env", {
       "modules": false,
-      "targets": {
-        "browsers": [
-          ">0.25%",
-          "not ie 11",
-          "not op_mini all"
-        ]
-      }
-    }],
-    "stage-2"
+      "targets": [
+        ">0.25%",
+        "not ie 11",
+        "not op_mini all"
+      ]
+    }]
+  ],
+  "plugins": [
+    "@babel/plugin-proposal-class-properties"
   ],
   "env": {
     "test": {
-      "presets": ["env", "stage-2"]
+      "presets": ["@babel/env"]
     }
   }
 }

frontend/js/main-form.js

@@ -97,7 +97,7 @@ importedBlocks.keys().map(block => {
   const blockForName = block.replace(/customs\//, '')
   const blockName = blockForName.match(/\w+/)[0].replace(/([a-z])([A-Z])/g, '$1-$2').replace(/\s+/g, '-').toLowerCase()
   if (blockName !== 'block') {
-    return Vue.component('a17-' + blockName, importedBlocks(block))
+    return Vue.component('a17-' + blockName, importedBlocks(block).default)
   }
 })