Core: Enable npm install prefix fallback only on old alias

fuma-nama · fuma-nama · commit 08eee2b5569d · 2025-08-24T20:02:15.000+08:00
diff --git a/.changeset/wide-gifts-brush.md b/.changeset/wide-gifts-brush.md
@@ -0,0 +1,5 @@
+---
+'fumadocs-core': patch
+---
+
+[`remark-npm`] Enable `npm install` prefix fallback only on old alias
diff --git a/packages/core/src/mdx-plugins/remark-npm.ts b/packages/core/src/mdx-plugins/remark-npm.ts
@@ -45,11 +45,16 @@ export function remarkNpm({
   return (tree) => {
     visit(tree, 'code', (node) => {
       if (!node.lang || !aliases.includes(node.lang)) return 'skip';
+      let value = node.value;
+
+      if (
+        node.lang === 'package-install' &&
+        !value.startsWith('npm') &&
+        !value.startsWith('npx')
+      ) {
+        value = `npm install ${value}`;
+      }
 
-      const value =
-        node.value.startsWith('npm') || node.value.startsWith('npx')
-          ? node.value
-          : `npm install ${node.value}`;
       const attributes: MdxJsxAttribute[] = [
         {
           type: 'mdxJsxAttribute',

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'fumadocs-core': patch
 +---
++
 +[`remark-npm`] Enable `npm install` prefix fallback only on old alias