Revert eslintrc changes

.eslintrc.js

@@ -10,12 +10,6 @@ module.exports = {
   plugins: [
     'html'
   ],
-  globals: {
-    'FileReader': false,
-    'Element': false,
-    'FormData': false,
-    'XMLHttpRequest': false
-  },
   // add your custom rules here
   rules: {
     // allow paren-less arrow functions

src/components/image_cropper/image_cropper.js

@@ -5,7 +5,7 @@ import 'cropperjs/dist/cropper.css'
 const ImageCropper = {
   props: {
     trigger: {
-      type: [String, Element],
+      type: [String, window.Element],
       required: true
     },
     cropperOptions: {
@@ -74,7 +74,7 @@ const ImageCropper = {
     readFile () {
       const fileInput = this.$refs.input
       if (fileInput.files != null && fileInput.files[0] != null) {
-        let reader = new FileReader()
+        let reader = new window.FileReader()
         reader.onload = (e) => {
           this.dataUrl = e.target.result
         }