From 5aa79bd44007d7d8c7014c14b5704ebb85f69192 Mon Sep 17 00:00:00 2001
From: thinkinggis <lzx199065@gmail.com>
Date: Fri, 20 Dec 2019 10:08:01 +0800
Subject: [PATCH] chore: babel useBuiltIns usage

---
 babel.config.js | 8 ++------
 package.json    | 1 -
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/babel.config.js b/babel.config.js
index 90660a79a9..28d2246145 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -42,7 +42,8 @@ module.exports = api => {
       [
         '@babel/env',
         {
-          useBuiltIns: isCDNBundle ? 'usage' : false,
+          // https://babeljs.io/docs/en/babel-preset-env#usebuiltins
+          useBuiltIns: 'usage',
           // set `modules: false` when building CDN bundle, let rollup do commonjs works
           // @see https://github.com/rollup/rollup-plugin-babel#modules
           modules: (isCDNBundle || isESModule) ? false : 'auto'
@@ -66,11 +67,6 @@ module.exports = api => {
           legacy: true
         }
       ],
-      [ '@babel/plugin-transform-runtime',
-        {
-          regenerator: true
-        }
-      ],
       [
         '@babel/plugin-proposal-class-properties',
         {
diff --git a/package.json b/package.json
index eee9f9911a..c44f01e9da 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,6 @@
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.4.4",
     "@babel/plugin-proposal-object-rest-spread": "^7.7.4",
     "@babel/plugin-proposal-optional-chaining": "^7.6.0",
-    "@babel/plugin-transform-runtime": "^7.7.6",
     "@babel/preset-env": "^7.5.5",
     "@babel/preset-react": "^7.0.0",
     "@babel/preset-typescript": "^7.3.3",