Extract Clipboard controller

assets/controllers/clipboard_controller.js

@@ -0,0 +1,16 @@
+import { Controller } from '@hotwired/stimulus';
+import ClipboardJS from 'clipboard';
+
+export default class extends Controller {
+  connect() {
+    this.clipboard = new ClipboardJS(this.element);
+
+    this.clipboard.on('success', (e) => {
+      e.clearSelection();
+    });
+  }
+
+  disconnect() {
+    this.clipboard.destroy();
+  }
+}