Toast: provide `isShown` method (#36272)

* feat(Toast): provide `isShown` method

* Update site/content/docs/5.1/components/toasts.md

Co-authored-by: Julien Déramond <julien.deramond@orange.com>

Co-authored-by: Julien Déramond <julien.deramond@orange.com>

2 files changed, 7 insertions, 2 deletions

diff --git a/js/src/toast.js b/js/src/toast.js
index b85e20b605..8ee8c8c968 100644
--- a/js/src/toast.js
+++ b/js/src/toast.js
@@ -100,7 +100,7 @@ class Toast extends BaseComponent {
   }
 
   hide() {
-    if (!this._element.classList.contains(CLASS_NAME_SHOW)) {
+    if (!this.isShown()) {
       return
     }
 
@@ -123,13 +123,17 @@ class Toast extends BaseComponent {
   dispose() {
     this._clearTimeout()
 
-    if (this._element.classList.contains(CLASS_NAME_SHOW)) {
+    if (this.isShown()) {
       this._element.classList.remove(CLASS_NAME_SHOW)
     }
 
     super.dispose()
   }
 
+  isShown() {
+    return this._element.classList.contains(CLASS_NAME_SHOW)
+  }
+
   // Private
 
   _maybeScheduleHide() {
diff --git a/site/content/docs/5.1/components/toasts.md b/site/content/docs/5.1/components/toasts.md
index e0750d5342..46f241cb3b 100644
--- a/site/content/docs/5.1/components/toasts.md
+++ b/site/content/docs/5.1/components/toasts.md
@@ -376,6 +376,7 @@ const toastList = [...toastElList].map(toastEl => new bootstrap.Toast(toastEl, o
 | --- | --- |
 | `show` | Reveals an element's toast. **Returns to the caller before the toast has actually been shown** (i.e. before the `shown.bs.toast` event occurs). You have to manually call this method, instead your toast won't show. |
 | `hide` | Hides an element's toast. **Returns to the caller before the toast has actually been hidden** (i.e. before the `hidden.bs.toast` event occurs). You have to manually call this method if you made `autohide` to `false`. |
+| `isShown` | Returns a boolean according to toast's visibility state. |
 | `dispose` | Hides an element's toast. Your toast will remain on the DOM but won't show anymore. |
 | `getInstance` | *Static* method which allows you to get the scrollspy instance associated with a DOM element. <br> For example: `const myToastEl = document.getElementById('myToastEl')` `const myToast = bootstrap.Toast.getInstance(myToastEl)` Returns a Bootstrap toast instance|
 | `getOrCreateInstance` | *Static* method which allows you to get the scrollspy instance associated with a DOM element, or create a new one, in case it wasn't initialized.  <br>`const myToastEl = document.getElementById('myToastEl')`  `const myToast = bootstrap.Toast.getOrCreateInstance(myToastEl)` Returns a Bootstrap toast instance |