Replace jQuery.extend with spread operator (#972)

Author: tagliala

dist/client-side-validations.esm.js

@@ -215,7 +215,10 @@ const ClientSideValidations = {
   },
   validators: {
     all: () => {
-      return jQuery.extend({}, ClientSideValidations.validators.local, ClientSideValidations.validators.remote);
+      return {
+        ...ClientSideValidations.validators.local,
+        ...ClientSideValidations.validators.remote
+      };
     },
     local: {},
     remote: {}

dist/client-side-validations.js

@@ -219,7 +219,10 @@
     },
     validators: {
       all: () => {
-        return jQuery.extend({}, ClientSideValidations.validators.local, ClientSideValidations.validators.remote);
+        return {
+          ...ClientSideValidations.validators.local,
+          ...ClientSideValidations.validators.remote
+        };
       },
       local: {},
       remote: {}

src/core.js

@@ -229,7 +229,12 @@ const ClientSideValidations = {
     forms: 'form[data-client-side-validations]'
   },
   validators: {
-    all: () => { return jQuery.extend({}, ClientSideValidations.validators.local, ClientSideValidations.validators.remote) },
+    all: () => {
+      return {
+        ...ClientSideValidations.validators.local,
+        ...ClientSideValidations.validators.remote
+      }
+    },
     local: {},
     remote: {}
   },

vendor/assets/javascripts/rails.validations.js

@@ -219,7 +219,10 @@
     },
     validators: {
       all: () => {
-        return jQuery.extend({}, ClientSideValidations.validators.local, ClientSideValidations.validators.remote);
+        return {
+          ...ClientSideValidations.validators.local,
+          ...ClientSideValidations.validators.remote
+        };
       },
       local: {},
       remote: {}