From c9a7356f135e5fb779d3d5aea6f5e61f9a7a604b Mon Sep 17 00:00:00 2001
From: sapphi-red <49056869+sapphi-red@users.noreply.github.com>
Date: Fri, 5 Dec 2025 12:00:18 +0900
Subject: [PATCH] feat: add a warning that is output when a plugin sets esbuild
 related options

---
 packages/vite/src/node/config.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
index ab06f09c02c800..cf588197a57d0e 100644
--- a/packages/vite/src/node/config.ts
+++ b/packages/vite/src/node/config.ts
@@ -2542,6 +2542,18 @@ async function runConfigHook(
             `\`rollupOptions\` specified by that plugin will be ignored.`,
         )
       }
+      if (res.esbuild) {
+        context.warn(
+          `\`esbuild\` option was specified by ${JSON.stringify(p.name)} plugin. ` +
+            `This option is deprecated, please use \`oxc\` instead.`,
+        )
+      }
+      if (res.optimizeDeps?.esbuildOptions) {
+        context.warn(
+          `\`optimizeDeps.esbuildOptions\` option was specified by ${JSON.stringify(p.name)} plugin. ` +
+            `This option is deprecated, please use \`optimizeDeps.rolldownOptions\` instead.`,
+        )
+      }
       conf = mergeConfig(conf, res)
     }
   }