wip: continue implementation

assets/controllers/toggle_controller.js

@@ -0,0 +1,39 @@
+import { Controller } from '@hotwired/stimulus'
+
+export default class extends Controller {
+
+    static classes = [ 'closed' ]
+    static targets = [ 'toggle', 'icon' ]
+    static values = {
+        open: {
+            type: Boolean,
+            default: true,
+        },
+    }
+
+    initialize() {
+        this.target = this.hasToggleTarget ? this.toggleTarget : this.element
+    }
+
+    toggle() {
+        this.openValue = !this.openValue
+    }
+
+    close() {
+        this.openValue = false
+    }
+
+    open() {
+        this.openValue = true
+    }
+
+    openValueChanged(open) {
+        this.target.classList.toggle(this.closedClass, false === open)
+
+        if (false === this.hasIconTarget) {
+            return
+        }
+
+        this.iconTarget.classList.toggle('rotate-90', true === open)
+    }
+}