Object spread : less jQuery more ES6 (#24665)

1 files changed, 9 insertions, 7 deletions

diff --git a/js/src/collapse.js b/js/src/collapse.js
index f907aec54..1456294f4 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -277,7 +277,10 @@ const Collapse = (($) => {
     // private
 
     _getConfig(config) {
-      config = $.extend({}, Default, config)
+      config = {
+        ...Default,
+        ...config
+      }
       config.toggle = Boolean(config.toggle) // coerce string values
       Util.typeCheckConfig(NAME, config, DefaultType)
       return config
@@ -338,12 +341,11 @@ const Collapse = (($) => {
       return this.each(function () {
         const $this   = $(this)
         let data      = $this.data(DATA_KEY)
-        const _config = $.extend(
-          {},
-          Default,
-          $this.data(),
-          typeof config === 'object' && config
-        )
+        const _config = {
+          ...Default,
+          ...$this.data(),
+          ...typeof config === 'object' && config
+        }
 
         if (!data && _config.toggle && /show|hide/.test(config)) {
           _config.toggle = false