collapse: fix error with jQuery v3.5.0.

diff --git a/js/src/collapse.js b/js/src/collapse.js
index 4243019a8e88880e47c3ed57b453556f5fce8d38..39fd62bccf6df7fd6b93bf99ee3501a944d3f924 100644 (file)
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -335,7 +335,7 @@ class Collapse {
         ...typeof config === 'object' && config ? config : {}
       }
 
-      if (!data && _config.toggle && /show|hide/.test(config)) {
+      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
         _config.toggle = false
       }