initial commit

_javascript/modules/components/toc.js

@@ -0,0 +1,15 @@
+export function toc() {
+  if (document.querySelector('main h2, main h3')) {
+    // see: https://github.com/tscanlin/tocbot#usage
+    tocbot.init({
+      tocSelector: '#toc',
+      contentSelector: '.content',
+      ignoreSelector: '[data-toc-skip]',
+      headingSelector: 'h2, h3, h4',
+      orderedList: false,
+      scrollSmooth: false
+    });
+
+    document.getElementById('toc-wrapper').classList.remove('d-none');
+  }
+}