feat(core): remove @babel/polyfill & use core-js@3

Author: gregberge

packages/smooth/package.json

@@ -36,7 +36,6 @@
     "@babel/core": "^7.4.3",
     "@babel/plugin-proposal-class-properties": "^7.4.0",
     "@babel/plugin-transform-runtime": "^7.4.3",
-    "@babel/polyfill": "^7.4.3",
     "@babel/preset-env": "^7.4.3",
     "@babel/preset-react": "^7.0.0",
     "@babel/register": "^7.4.0",
@@ -56,6 +55,7 @@
     "babel-loader": "^8.0.5",
     "camelcase": "^5.3.1",
     "commander": "^2.20.0",
+    "core-js": "^3.0.1",
     "cors": "^2.8.5",
     "cwd": "^0.10.0",
     "errorhandler": "^1.5.0",
@@ -73,6 +73,7 @@
     "query-string": "^6.4.2",
     "react-apollo": "^2.5.3",
     "react-router-dom": "^5.0.0",
+    "regenerator-runtime": "^0.13.2",
     "slugify": "^1.3.4",
     "tiny-glob": "^0.2.6",
     "webpack": "^4.29.6",

packages/smooth/src/babel/preset.js

@@ -15,7 +15,7 @@ const nodeConfig = opts => ({
       {
         loose: true,
         useBuiltIns: 'entry',
-        corejs: 'core-js@2',
+        corejs: 'core-js@3',
         targets: {
           node: 'current',
         },
@@ -35,7 +35,7 @@ const webConfig = opts => ({
         modules: false,
         loose: true,
         useBuiltIns: 'entry',
-        corejs: 'core-js@2',
+        corejs: 'core-js@3',
         ...opts['preset-env'],
       },
     ],

packages/smooth/src/client/main-node.js

@@ -1,4 +1,4 @@
-import '@babel/polyfill'
+import 'core-js'
 
 export { default as Html } from '__smooth_html'
 export { default as Root } from './Root'

packages/smooth/src/client/main-web.js

@@ -1,4 +1,6 @@
-import '@babel/polyfill'
+import 'core-js'
+import 'regenerator-runtime/runtime'
+
 import React from 'react'
 import ReactDOM from 'react-dom'
 import { BrowserRouter } from 'react-router-dom'

yarn.lock

@@ -746,14 +746,6 @@
     "@babel/helper-regex" "^7.4.3"
     regexpu-core "^4.5.4"
 
-"@babel/polyfill@^7.4.3":
-  version "7.4.3"
-  resolved "https://registry.yarnpkg.com/@babel/polyfill/-/polyfill-7.4.3.tgz#332dc6f57b718017c3a8b37b4eea8aa6eeac1187"
-  integrity sha512-rkv8WIvJshA5Ev8iNMGgz5WZkRtgtiPexiT7w5qevGTuT7ZBfM3de9ox1y9JR5/OXb/sWGBbWlHNa7vQKqku3Q==
-  dependencies:
-    core-js "^2.6.5"
-    regenerator-runtime "^0.13.2"
-
 "@babel/preset-env@^7.4.3":
   version "7.4.3"
   resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.4.3.tgz#e71e16e123dc0fbf65a52cbcbcefd072fbd02880"
@@ -3996,10 +3988,10 @@ core-js@^1.0.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.6.5:
-  version "2.6.5"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
-  integrity sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==
+core-js@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.0.1.tgz#1343182634298f7f38622f95e73f54e48ddf4738"
+  integrity sha512-sco40rF+2KlE0ROMvydjkrVMMG1vYilP2ALoRXcYR4obqbYIuV3Bg+51GEDW+HF8n7NRA+iaA4qD0nD9lo9mew==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"