Adding upstream version 5.2.3+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

js/src/button.js

@@ -0,0 +1,72 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): button.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import { defineJQueryPlugin } from './util/index'
+import EventHandler from './dom/event-handler'
+import BaseComponent from './base-component'
+
+/**
+ * Constants
+ */
+
+const NAME = 'button'
+const DATA_KEY = 'bs.button'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+
+const CLASS_NAME_ACTIVE = 'active'
+const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="button"]'
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+
+/**
+ * Class definition
+ */
+
+class Button extends BaseComponent {
+  // Getters
+  static get NAME() {
+    return NAME
+  }
+
+  // Public
+  toggle() {
+    // Toggle class and sync the `aria-pressed` attribute with the return value of the `.toggle()` method
+    this._element.setAttribute('aria-pressed', this._element.classList.toggle(CLASS_NAME_ACTIVE))
+  }
+
+  // Static
+  static jQueryInterface(config) {
+    return this.each(function () {
+      const data = Button.getOrCreateInstance(this)
+
+      if (config === 'toggle') {
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, event => {
+  event.preventDefault()
+
+  const button = event.target.closest(SELECTOR_DATA_TOGGLE)
+  const data = Button.getOrCreateInstance(button)
+
+  data.toggle()
+})
+
+/**
+ * jQuery
+ */
+
+defineJQueryPlugin(Button)
+
+export default Button