fix: check undefined

Co-authored-by: 翠 / green <green@sapphi.red>
vitejs · Jul 30, 2022 · 8ef28ee · 8ef28ee
1 parent eb4ab18
commit 8ef28ee
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/vite/src/node/plugins/html.ts b/packages/vite/src/node/plugins/html.ts
@@ -789,10 +789,10 @@ export function preImportMapHook(
 ): IndexHtmlTransformHook {
   return (html, ctx) => {
     const importMapIndex = html.match(importMapRE)?.index
-    if (!importMapIndex) return
+    if (importMapIndex === undefined) return
 
     const moduleScriptIndex = html.match(moduleScriptRE)?.index
-    if (!moduleScriptIndex) return
+    if (moduleScriptIndex === undefined) return
 
     if (moduleScriptIndex < importMapIndex) {
       const relativeHtml = normalizePath(