fix(markdown): html ids in markdown headings should not start with a …

…digit (#1961)
nuxt · Mar 21, 2023 · 884f5d8 · 884f5d8
1 parent 38f76c6
commit 884f5d8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/runtime/markdown-parser/compiler.ts b/src/runtime/markdown-parser/compiler.ts
@@ -22,11 +22,13 @@ export default function (this: any, _options: MarkdownOptions) {
     }
 
     // Remove double dashes and trailing dash from heading ids
+    // Insert underscore if id start with a digit
     if (node.tagName?.startsWith('h') && node.properties.id) {
       node.properties.id = node.properties.id
         .replace(/-+/g, '-')
         .replace(/-$/, '')
         .replace(/^-/, '')
+        .replace(/^(\d)/, '_$1')
     }
 
     /**