fix eslint restspread error

Author: icebob

.eslintrc.js

@@ -5,11 +5,15 @@ module.exports = {
         "commonjs": true,
         "es6": true,
         "jquery": false,
-        mocha: true
+        "mocha": true
     },
     "extends": "eslint:recommended",
     "parserOptions": {
-        "sourceType": "module"
+        "sourceType": "module",
+        "ecmaVersion": 6,
+        "ecmaFeatures": {
+            "experimentalObjectRestSpread": true
+        }
     },
     "plugins": [
         "html"

src/fields/abstractDateField.js

@@ -34,8 +34,8 @@
 					let input = this.$el.querySelector(".form-control");
 					$(this.$el).datetimepicker(defaults(this.schema.dateTimePickerOptions || {}, {
 						format: inputFormat
-					})).on("dp.change", e => {
-						this.value = this.$el.querySelector(".form-control").value;
+					})).on("dp.change", () => {
+						this.value = input.value;
 					});
 				} else {
 					console.warn("Bootstrap datetimepicker library is missing. Please download from https://eonasdan.github.io/bootstrap-datetimepicker/ and load the script and CSS in the HTML head section!");