--- /dev/null
+import loadPolyfills from 'flavours/glitch/util/load_polyfills';
+import ready from 'flavours/glitch/util/ready';
+
+function main() {
+ const { delegate } = require('rails-ujs');
+
+ delegate(document, '.sidebar__toggle__icon', 'click', () => {
+ const target = document.querySelector('.sidebar ul');
+
+ if (target.style.display === 'block') {
+ target.style.display = 'none';
+ } else {
+ target.style.display = 'block';
+ }
+ });
+}
+
+loadPolyfills().then(main).catch(error => {
+ console.error(error);
+});