From b58609829262255d73363229584a2341bc4f568d Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Thu, 7 Oct 2021 17:52:55 -0400
Subject: [PATCH] fix: avoid unnecessary  pre-bundling warning

---
 packages/vite/src/node/optimizer/scan.ts | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/packages/vite/src/node/optimizer/scan.ts b/packages/vite/src/node/optimizer/scan.ts
index 510981a4314853..ad6d19db3e7893 100644
--- a/packages/vite/src/node/optimizer/scan.ts
+++ b/packages/vite/src/node/optimizer/scan.ts
@@ -27,6 +27,7 @@ import { init, parse } from 'es-module-lexer'
 import MagicString from 'magic-string'
 import { transformImportGlob } from '../importGlob'
 import { performance } from 'perf_hooks'
+import chalk from 'chalk'
 
 const debug = createDebugger('vite:deps')
 
@@ -51,7 +52,7 @@ export async function scanImports(config: ResolvedConfig): Promise<{
 
   let entries: string[] = []
 
-  const explicitEntryPatterns = config.optimizeDeps?.entries
+  const explicitEntryPatterns = config.optimizeDeps.entries
   const buildInput = config.build.rollupOptions?.input
 
   if (explicitEntryPatterns) {
@@ -80,9 +81,15 @@ export async function scanImports(config: ResolvedConfig): Promise<{
   )
 
   if (!entries.length) {
-    config.logger.warn(
-      'Could not determine entry point from rollupOptions or html files. Skipping dependency pre-bundling.'
-    )
+    if (!explicitEntryPatterns && !config.optimizeDeps.include) {
+      config.logger.warn(
+        chalk.yellow(
+          '(!) Could not auto-determine entry point from rollupOptions or html files ' +
+            'and there are no explicit optimizeDeps.include patterns. ' +
+            'Skipping dependency pre-bundling.'
+        )
+      )
+    }
     return { deps: {}, missing: {} }
   } else {
     debug(`Crawling dependencies using entries:\n  ${entries.join('\n  ')}`)