fix: error on cli only

vitejs · Feb 17, 2023 · a71c305 · a71c305
1 parent 6e13272
commit a71c305
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/packages/vite/src/node/preview.ts b/packages/vite/src/node/preview.ts
@@ -88,7 +88,12 @@ export async function preview(
   const distDir = path.resolve(config.root, config.build.outDir)
   if (
     !fs.existsSync(distDir) &&
-    config.plugins.every((plugin) => !plugin.configurePreviewServer)
+    // error if no plugins implement `configurePreviewServer`
+    config.plugins.every((plugin) => !plugin.configurePreviewServer) &&
+    // error if called in CLI only. programmatic usage could access `httpServer`
+    // and affect file serving
+    process.argv[1]?.endsWith(path.normalize('bin/vite.js')) &&
+    process.argv[2] === 'preview'
   ) {
     throw new Error(
       `The directory "${config.build.outDir}" does not exist. Did you build your project?`,