initial commit

app/javascript/elements/toggle_visible.js

@@ -0,0 +1,11 @@
+import { actionable } from '@github/catalyst/lib/actionable'
+
+export default actionable(class extends HTMLElement {
+  trigger (event) {
+    const elementIds = JSON.parse(this.dataset.elementIds)
+
+    elementIds.forEach((elementId) => {
+      document.getElementById(elementId).classList.toggle('hidden', event.target.value !== elementId)
+    })
+  }
+})