refactor: avoid assigning to bundle object

Co-authored-by: sapphi-red <49056869+sapphi-red@users.noreply.github.com>

src/node/plugin.ts

@@ -334,7 +334,9 @@ export async function createVitePressPlugin(
       return null
     },
 
-    generateBundle(_options, bundle) {
+    generateBundle: {
+      order: ssr ? null : 'post',
+      handler(_options, bundle) {
         if (ssr) {
           this.emitFile({
             type: 'asset',
@@ -352,21 +354,19 @@ export async function createVitePressPlugin(
               pageToHashMap![chunk.name.toLowerCase()] = hash
 
               // inject another chunk with the content stripped
-            bundle[name + '-lean'] = {
+              this.emitFile({
-              ...chunk,
+                type: 'asset',
+                name: name + '-lean',
                 fileName: chunk.fileName.replace(/\.js$/, '.lean.js'),
-              preliminaryFileName: chunk.preliminaryFileName.replace(
+                source: chunk.code.replace(staticStripRE, `""`)
-                /\.js$/,
+              })
-                '.lean.js'
-              ),
-              code: chunk.code.replace(staticStripRE, `""`)
-            }
 
               // remove static markers from original code
               chunk.code = chunk.code.replace(staticRestoreRE, '')
             }
           }
         }
+      }
     },
 
     async handleHotUpdate(ctx) {