Disable core-js for server-side build (vercel#10189)

timneutkens · Timer · Timer · commit fa65442cade9 · 2020-01-21T09:47:20.000-05:00
* Disable core-js in server-side build

* Update cache-key

Co-authored-by: Joe Haddad &lt;timer150@gmail.com&gt;
diff --git a/packages/next/build/babel/preset.ts b/packages/next/build/babel/preset.ts
@@ -149,7 +149,7 @@ module.exports = (
           useBuiltIns: true,
         },
       ],
-      [
+      !isServer && [
         require('@babel/plugin-transform-runtime'),
         {
           corejs: 2,
diff --git a/packages/next/build/webpack/loaders/next-babel-loader.js b/packages/next/build/webpack/loaders/next-babel-loader.js
@@ -4,7 +4,7 @@ import hash from 'string-hash'
 
 // increment 'e' to invalidate cache
 // eslint-disable-next-line no-useless-concat
-const cacheKey = 'babel-cache-' + 'g' + '-'
+const cacheKey = 'babel-cache-' + 'h' + '-'
 const nextBabelPreset = require('../../babel/preset')
 
 const getModernOptions = (babelOptions = {}) => {

Original file line number	Diff line number	Diff line change
`@@ -149,7 +149,7 @@ module.exports = (`
`149`	`149`	`useBuiltIns: true,`
`150`	`150`	`},`
`151`	`151`	`],`
`152`		`- [`
	`152`	`+ !isServer && [`
`153`	`153`	`require('@babel/plugin-transform-runtime'),`
`154`	`154`	`{`
`155`	`155`	`corejs: 2,`