docs: correctly render table of contents [ci skip]

docs/svelte.config.js

@@ -163,49 +163,8 @@ module.exports = {
     {
       markup({ content, filename }) {
         if (/node_modules/.test(filename)) return null;
-        if (filename.endsWith(".svx")) {
+        if (!filename.match(/pages\/(components)/)) return null;
-          const toc = [];
 
-          walk(parse(content), {
-            enter(node) {
-              if (node.type === "Element") {
-                if (node.name === "h2") {
-                  const id = node.attributes.find(
-                    (attribute) => attribute.name === "id"
-                  );
-                  toc.push({
-                    id: id.value[0].raw,
-                    text: node.children[0].raw,
-                  });
-                }
-              }
-            },
-          });
-
-          return {
-            code: content.replace(
-              "</Layout_MDSVEX_DEFAULT>",
-              `<div slot="aside">
-                <ul class="bx--list--unordered">
-                ${toc
-                  .map((item) => {
-                    return `
-                      <li class="bx--list__item">
-                        <a class="bx--link" href="\#${item.id}">${item.text}</a>
-                      </li>`;
-                  })
-                  .join("")}
-                </ul>
-              </div>
-            </Layout_MDSVEX_DEFAULT>`
-            ),
-          };
-        }
-
-        if (
-          filename.endsWith(".svx") &&
-          filename.match(/pages\/(components)/)
-        ) {
         const toc = [];
 
         walk(parse(content), {
@@ -270,7 +229,6 @@ module.exports = {
             </Layout_MDSVEX_DEFAULT>`
           ),
         };
-        }
       },
     },
   ],