fix(plugin-legacy): chunk may not exist (vitejs#3886)

aleclarson · Nov 8, 2021 · ceba4c3 · ceba4c3
1 parent b0bbd54
commit ceba4c3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/plugin-legacy/index.js b/packages/plugin-legacy/index.js
@@ -303,6 +303,7 @@ function viteLegacyPlugin(options = {}) {
     },
 
     transformIndexHtml(html, { chunk }) {
+      if (!chunk) return
       if (chunk.fileName.includes('-legacy')) {
         // The legacy bundle is built first, and its index.html isn't actually
         // emitted. Here we simply record its corresponding legacy chunk.