From 98f15d7e146c138fbe5b4c6491319da9cccd48ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Thu, 5 Dec 2019 16:13:06 -0500
Subject: [PATCH] polish: tune warning message when babel-preset-env-standalone
 is loaded

---
 packages/babel-standalone/src/index.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/packages/babel-standalone/src/index.js b/packages/babel-standalone/src/index.js
index c3d2ee245dee..cc7870028095 100644
--- a/packages/babel-standalone/src/index.js
+++ b/packages/babel-standalone/src/index.js
@@ -137,9 +137,15 @@ export function registerPlugins(newPlugins: {
  */
 export function registerPreset(name: string, preset: Object | Function): void {
   if (Object.prototype.hasOwnProperty.call(availablePresets, name)) {
-    console.warn(
-      `A preset named "${name}" is already registered, it will be overridden`,
-    );
+    if (name === "env") {
+      console.warn(
+        "@babel/preset-env is now included in @babel/standalone, please remove @babel/preset-env-standalone",
+      );
+    } else {
+      console.warn(
+        `A preset named "${name}" is already registered, it will be overridden`,
+      );
+    }
   }
   availablePresets[name] = preset;
 }