Merge pull request #291 from contentstack/fix/DX-2225-timeline-preview-variables-reset

fix: reset timeline preview variables when not found

Author: nadeem-cs

CHANGELOG.md

@@ -1,4 +1,9 @@
 ## Change log
+### Version: 3.24.2
+#### Date:  March-03-2025
+##### Fix:
+ - Reset Timeline Preview variables
+
 ### Version: 3.24.1
 #### Date:  February-03-2025
 ##### Fix:

package.json

@@ -1,6 +1,6 @@
 {
   "name": "contentstack",
-  "version": "3.24.2",
+  "version": "3.24.3",
   "description": "Contentstack Javascript SDK",
   "homepage": "https://www.contentstack.com/",
   "author": {

src/core/stack.js

@@ -258,9 +258,13 @@ export default class Stack {
             }
             if (params.has('release_id')) {
                 this.headers['release_id'] = params.get('release_id');
+            } else {
+                delete this.headers['release_id'];
             }
             if (params.has('preview_timestamp')) {
                 this.headers['preview_timestamp'] = params.get('preview_timestamp');
+            } else {
+                delete this.headers['preview_timestamp'];
             }
         }
     }
@@ -274,9 +278,13 @@ export default class Stack {
 
         if (query.hasOwnProperty('release_id')) {
             this.headers['release_id'] = query.release_id;
+        } else {
+            delete this.headers['release_id'];
         }
         if (query.hasOwnProperty('preview_timestamp')) {
             this.headers['preview_timestamp'] = query.preview_timestamp;
+        } else {
+            delete this.headers['preview_timestamp'];
         }
     }