Update core-js to version 3

* https://babeljs.io/blog/2019/03/19/7.4.0#highlights * https://babeljs.io/docs/en/babel-plugin-transform-runtime * https://github.com/zloirock/core-js/blob/master/docs/2019-03-19-core-js-3-babel-and-a-look-into-the-future.md
vercel · Sep 10, 2019 · a59ecf3 · a59ecf3
1 parent 93d6a67
commit a59ecf3
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Showing 4 changed files with 28 additions and 16 deletions.
diff --git a/packages/next/build/babel/preset.ts b/packages/next/build/babel/preset.ts
@@ -153,7 +153,7 @@ module.exports = (
       [
         require('@babel/plugin-transform-runtime'),
         {
-          corejs: 2,
+          corejs: 3,
           helpers: true,
           regenerator: true,
           useESModules: supportsESM && presetEnvConfig.modules !== 'commonjs',

diff --git a/packages/next/package.json b/packages/next/package.json
@@ -63,12 +63,12 @@
     "@babel/plugin-proposal-object-rest-spread": "7.4.4",
     "@babel/plugin-syntax-dynamic-import": "7.2.0",
     "@babel/plugin-transform-modules-commonjs": "7.4.4",
-    "@babel/plugin-transform-runtime": "7.4.4",
+    "@babel/plugin-transform-runtime": "7.6.0",
     "@babel/preset-env": "7.4.5",
     "@babel/preset-react": "7.0.0",
     "@babel/preset-typescript": "7.3.3",
-    "@babel/runtime": "7.4.5",
-    "@babel/runtime-corejs2": "7.4.5",
+    "@babel/runtime": "7.6.0",
+    "@babel/runtime-corejs3": "7.6.0",
     "amphtml-validator": "1.0.23",
     "async-retry": "1.2.3",
     "async-sema": "3.0.0",

diff --git a/packages/next/taskfile.js b/packages/next/taskfile.js
@@ -22,7 +22,7 @@ const babelClientOpts = {
     [
       '@babel/plugin-transform-runtime',
       {
-        corejs: 2,
+        corejs: 3,
         helpers: true,
         regenerator: false,
         useESModules: false

diff --git a/yarn.lock b/yarn.lock
@@ -606,10 +606,10 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-runtime@7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.4.4.tgz#a50f5d16e9c3a4ac18a1a9f9803c107c380bce08"
-  integrity sha512-aMVojEjPszvau3NRg+TIH14ynZLvPewH4xhlCW1w6A3rkxTS1m4uwzRclYR9oS+rl/dr+kT+pzbfHuAWP/lc7Q==
+"@babel/plugin-transform-runtime@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.6.0.tgz#85a3cce402b28586138e368fce20ab3019b9713e"
+  integrity sha512-Da8tMf7uClzwUm/pnJ1S93m/aRXmoYNDD7TkHua8xBDdaAs54uZpTWvEt6NGwmoVMb9mZbntfTqmG2oSzN/7Vg==
   dependencies:
     "@babel/helper-module-imports" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
@@ -751,15 +751,22 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-transform-typescript" "^7.3.2"
 
-"@babel/runtime-corejs2@7.4.5":
-  version "7.4.5"
-  resolved "https://registry.yarnpkg.com/@babel/runtime-corejs2/-/runtime-corejs2-7.4.5.tgz#3d892f0560df21bafb384dd7727e33853e95d3c9"
-  integrity sha512-5yLuwzvIDecKwYMzJtiarky4Fb5643H3Ao5jwX0HrMR5oM5mn2iHH9wSZonxwNK0oAjAFUQAiOd4jT7/9Y2jMQ==
+"@babel/runtime-corejs3@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/runtime-corejs3/-/runtime-corejs3-7.6.0.tgz#67aa16ad70fdccf966f7e125a4df797704aee203"
+  integrity sha512-AS2D/5APsqzq3LJVmHnwLwH0CbQpbcD+bjxuuxbrwt0E3PtTv3TL5TBTUnL6SkKzIW/+ZBf3oegHNG7W0pXcUA==
   dependencies:
-    core-js "^2.6.5"
+    core-js-pure "^3.0.0"
     regenerator-runtime "^0.13.2"
 
-"@babel/runtime@7.4.5", "@babel/runtime@^7.0.0":
+"@babel/runtime@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.6.0.tgz#4fc1d642a9fd0299754e8b5de62c631cf5568205"
+  integrity sha512-89eSBLJsxNxOERC0Op4vd+0Bqm6wRMqMbFtV3i0/fbaWw/mJ8Q3eBvgX0G4SyrOOLCtbu98HspF8o09MRT+KzQ==
+  dependencies:
+    regenerator-runtime "^0.13.2"
+
+"@babel/runtime@^7.0.0":
   version "7.4.5"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.4.5.tgz#582bb531f5f9dc67d2fcb682979894f75e253f12"
   integrity sha512-TuI4qpWZP6lGOGIuGWtp9sPluqYICmbk8T/1vpSysqJxRPkudh/ofFWyqdcMsDf2s7KvDL4/YHgKyvcS3g9CJQ==
@@ -4484,12 +4491,17 @@ core-js-pure@3.1.2:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.1.2.tgz#62fc435f35b7374b9b782013cdcb2f97e9f6dffa"
   integrity sha512-5ckIdBF26B3ldK9PM177y2ZcATP2oweam9RskHSoqfZCrJ2As6wVg8zJ1zTriFsZf6clj/N1ThDFRGaomMsh9w==
 
+core-js-pure@^3.0.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.2.1.tgz#879a23699cff46175bfd2d09158b5c50645a3c45"
+  integrity sha512-+qpvnYrsi/JDeQTArB7NnNc2VoMYLE1YSkziCDHgjexC2KH7OFiGhLUd3urxfyWmNjSwSW7NYXPWHMhuIJx9Ow==
+
 core-js@3.1.4:
   version "3.1.4"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.1.4.tgz#3a2837fc48e582e1ae25907afcd6cf03b0cc7a07"
   integrity sha512-YNZN8lt82XIMLnLirj9MhKDFZHalwzzrL9YLt6eb0T5D0EDl4IQ90IGkua8mHbnxNrkj1d8hbdizMc0Qmg1WnQ==
 
-core-js@^2.4.0, core-js@^2.6.5:
+core-js@^2.4.0:
   version "2.6.8"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.8.tgz#dc3a1e633a04267944e0cb850d3880f340248139"
   integrity sha512-RWlREFU74TEkdXzyl1bka66O3kYp8jeTXrvJZDzVVMH8AiHUSOFpL1yfhQJ+wHocAm1m+4971W1PPzfLuCv1vg==