fix: explicitly set corejs version for @babel/preset-env

haoqunjiang · haoqunjiang · commit 5b984ed09de6 · 2019-03-23T20:55:59.000+08:00
closes vuejs#3695
diff --git a/packages/@vue/babel-preset-app/index.js b/packages/@vue/babel-preset-app/index.js
@@ -123,7 +123,8 @@ module.exports = (context, options = {}) => {
     include,
     exclude: polyfills.concat(exclude || []),
     shippedProposals,
-    forceAllTransforms
+    forceAllTransforms,
+    corejs: 2
   }
 
   // cli-plugin-jest sets this to true because Jest runs without bundling

Original file line number	Diff line number	Diff line change
`@@ -123,7 +123,8 @@ module.exports = (context, options = {}) => {`
`123`	`123`	`include,`
`124`	`124`	`exclude: polyfills.concat(exclude \|\| []),`
`125`	`125`	`shippedProposals,`
`126`		`- forceAllTransforms`
	`126`	`+ forceAllTransforms,`
	`127`	`+ corejs: 2`
`127`	`128`	`}`
`128`	`129`
`129`	`130`	`// cli-plugin-jest sets this to true because Jest runs without bundling`