fix issue related to Object.keys and Dropdown issue

4 files changed, 4 insertions, 4 deletions

diff --git a/js/src/collapse.js b/js/src/collapse.js
index c3b3599ec..e22cf0b7a 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -331,7 +331,7 @@ const Collapse = (($) => {
         const _config = {
           ...Default,
           ...$this.data(),
-          ...typeof config === 'object' && config
+          ...typeof config === 'object' && config ? config : {}
         }
 
         if (!data && _config.toggle && /show|hide/.test(config)) {
diff --git a/js/src/modal.js b/js/src/modal.js
index 1df415266..e3de68b8f 100644
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -500,7 +500,7 @@ const Modal = (($) => {
         const _config = {
           ...Default,
           ...$(this).data(),
-          ...typeof config === 'object' && config
+          ...typeof config === 'object' && config ? config : {}
         }
 
         if (!data) {
diff --git a/js/src/scrollspy.js b/js/src/scrollspy.js
index 1c46940f5..d8cf69473 100644
--- a/js/src/scrollspy.js
+++ b/js/src/scrollspy.js
@@ -165,7 +165,7 @@ const ScrollSpy = (($) => {
     _getConfig(config) {
       config = {
         ...Default,
-        ...config
+        ...typeof config === 'object' && config ? config : {}
       }
 
       if (typeof config.target !== 'string') {
diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index f751ee3c9..59c26897c 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -611,7 +611,7 @@ const Tooltip = (($) => {
       config = {
         ...this.constructor.Default,
         ...$(this.element).data(),
-        ...config
+        ...typeof config === 'object' && config ? config : {}
       }
 
       if (typeof config.delay === 'number') {