Prepend ToC ids with toc prefix to ensure unique (#1915)

Author: endigo9740

packages/skeleton/src/lib/utilities/TableOfContents/crawler.ts

@@ -44,7 +44,7 @@ export function tocCrawler(node: HTMLElement, args?: TOCCrawlerArgs) {
 					.replaceAll(/[^a-zA-Z0-9 ]/g, '')
 					.replaceAll(' ', '-')
 					.toLowerCase();
-				elemHeading.id = newHeadingId || '';
+				elemHeading.id = `toc-${newHeadingId}`;
 			}
 			// Push heading data to the permalink array
 			permalinks.push({

sites/skeleton.dev/src/routes/(inner)/utilities/table-of-contents/+page.svelte

@@ -79,7 +79,7 @@
 				code={`
 <!-- Before: -->
 <h2 class="h2">Title One</h2>
-<h2 class="h2" id="my-custom-id">Title Two</h2>\n
+<h2 class="h2" id="toc-my-custom-id">Title Two</h2>\n
 <!-- After: -->
 <h2 class="h2" id="title-one">Title One</h2>
 <h2 class="h2" id="my-custom-id">Title Two</h2>