move babel polyfill into a separate package

packages/babel-core/polyfill.js

@@ -1 +1,2 @@
-module.exports = require("./lib/polyfill");
+console.trace('The use of `require("babel/polyfill") is deprecated. Please us require("babel-polyfill")');
+module.exports = require("babel-polyfill");

packages/babel-core/scripts/build-dist.sh

@@ -9,7 +9,7 @@ mkdir -p dist
 
 node scripts/cache-templates
 
-node $BROWSERIFY_CMD -e lib/polyfill.js >dist/polyfill.js
+node $BROWSERIFY_CMD -e ../babel-polyfill/lib/polyfill.js >dist/polyfill.js
 node $UGLIFY_CMD dist/polyfill.js >dist/polyfill.min.js
 
 # Add a Unicode BOM so browsers will interpret the file as UTF-8

packages/babel-core/src/api/node.js

@@ -35,7 +35,8 @@ export function register(opts?: Object) {
  */
 
 export function polyfill() {
-  require("../polyfill");
+  console.trace('The use of `require("babel").polyfill() is deprecated. Please us require("babel-polyfill")');
+  require("babel-polyfill");
 }
 
 /**

packages/babel-core/src/api/register/browser.js

@@ -2,4 +2,4 @@
 
 export default function () {}
 
-import "../../polyfill";
+import "babel-polyfill";

packages/babel-core/src/api/register/node-polyfill.js

@@ -1,2 +1,2 @@
-import "../../polyfill";
+import "babel-polyfill";
 export { default } from "./node";

packages/babel-core/test/_transformation-helper.js

@@ -14,7 +14,7 @@ exports.fixtures = getFixtures(__dirname + "/fixtures", function () {
   return require("../test-fixtures.json");
 });
 
-require("../lib/polyfill");
+require("babel-polyfill");
 
 eval(buildExernalHelpers());
 

packages/babel-polyfill/.npmignore

@@ -0,0 +1 @@
+/src

packages/babel-polyfill/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "babel-polyfill",
+  "version": "5.8.22",
+  "description": "",
+  "author": "Sebastian McKenzie <sebmck@gmail.com>",
+  "homepage": "https://babeljs.io/",
+  "license": "MIT",
+  "repository": "babel/babel",
+  "main": "lib/index.js",
+  "dependencies": {
+    "core-js": "^1.0.1",
+    "regenerator": "^0.8.36"
+  }
+}