[babel 8] fallback targets to "defaults, not ie 11" (#12989)

packages/babel-core/test/api.js

@@ -311,7 +311,7 @@ describe("api", function () {
           },
 
           // env preset
-          presetEnv,
+          [presetEnv, { targets: { browsers: "ie 6" } }],
 
           // Third preset for Flow.
           () => ({

packages/babel-core/test/config-chain.js

@@ -4,6 +4,7 @@ import path from "path";
 import { fileURLToPath } from "url";
 import escapeRegExp from "lodash/escapeRegExp";
 import * as babel from "../lib";
+import getTargets from "@babel/helper-compilation-targets";
 
 const dirname = path.dirname(fileURLToPath(import.meta.url));
 
@@ -976,6 +977,7 @@ describe("buildConfigChain", function () {
   });
 
   describe("config files", () => {
+    const defaultTargets = getTargets();
     const getDefaults = () => ({
       babelrc: false,
       configFile: false,
@@ -988,7 +990,7 @@ describe("buildConfigChain", function () {
       plugins: [],
       presets: [],
       cloneInputAst: true,
-      targets: {},
+      targets: defaultTargets,
       assumptions: {},
     });
     const realEnv = process.env.NODE_ENV;

packages/babel-core/test/fixtures/transformation/misc/regression-4855/options.json

@@ -1,5 +1,5 @@
 {
   "compact": false,
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": ["proposal-object-rest-spread"]
 }

packages/babel-core/test/fixtures/transformation/misc/regression-7064/options.json

@@ -1,4 +1,4 @@
 {
   "plugins": ["transform-async-to-generator"],
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-helper-compilation-targets/src/index.js

@@ -191,16 +191,23 @@ export default function getTargets(
     !options.ignoreBrowserslistConfig && !hasTargets;
 
   if (!browsers && shouldSearchForConfig) {
-    browsers =
+    browsers = browserslist.loadConfig({
-      browserslist.loadConfig({
+      config: options.configFile,
-        config: options.configFile,
+      path: options.configPath,
-        path: options.configPath,
+      env: options.browserslistEnv,
-        env: options.browserslistEnv,
+    });
-      }) ??
+    if (browsers == null) {
-      // If no targets are passed, we need to overwrite browserslist's defaults
+      if (process.env.BABEL_8_BREAKING) {
-      // so that we enable all transforms (acting like the now deprecated
+        // In Babel 8, if no targets are passed, we use browserslist's defaults
-      // preset-latest).
+        // and exclude IE 11.
-      [];
+        browsers = ["defaults, not ie 11"];
+      } else {
+        // If no targets are passed, we need to overwrite browserslist's defaults
+        // so that we enable all transforms (acting like the now deprecated
+        // preset-latest).
+        browsers = [];
+      }
+    }
   }
 
   // `esmodules` as a target indicates the specific set of browsers supporting ES Modules.

packages/babel-helper-compilation-targets/test/targets-parser.spec.js

@@ -282,11 +282,21 @@ describe("getTargets", () => {
       ).toMatchSnapshot();
     });
 
-    it("'intersect' behaves like 'true' if no browsers are specified", () => {
+    (process.env.BABEL_8_BREAKING ? it.skip : it)(
-      expect(getTargets({ esmodules: "intersect" })).toEqual(
+      "'intersect' behaves like 'true' if no browsers are specified - Babel 7",
-        getTargets({ esmodules: true }, { ignoreBrowserslistConfig: true }),
+      () => {
-      );
+        expect(getTargets({ esmodules: "intersect" })).toEqual(
-    });
+          getTargets({ esmodules: true }, { ignoreBrowserslistConfig: true }),
+        );
+      },
+    );
+
+    (process.env.BABEL_8_BREAKING ? it : it.skip)(
+      "'intersect' behaves like no-op if no browsers are specified",
+      () => {
+        expect(getTargets({ esmodules: "intersect" })).toEqual(getTargets({}));
+      },
+    );
 
     it("'intersect' behaves like 'true' if no browsers are specified and the browserslist config is ignored", () => {
       expect(

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/async-generators/declaration-exec/options.json

@@ -3,7 +3,7 @@
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ],
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "parserOpts": {
     "allowReturnOutsideFunction": true
   }

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/async-generators/yield-exec/options.json

@@ -3,7 +3,7 @@
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ],
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "parserOpts": {
     "allowReturnOutsideFunction": true
   }

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-generator-exec/options.json

@@ -3,7 +3,7 @@
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ],
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "parserOpts": {
     "allowReturnOutsideFunction": true
   }

packages/babel-plugin-proposal-class-properties/test/fixtures/assumption-setPublicClassFields/foobar/options.json

@@ -1,6 +1,6 @@
 {
   "plugins": ["proposal-class-properties"],
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "assumptions": {
     "setPublicClassFields": true
   }

packages/babel-plugin-proposal-class-properties/test/fixtures/private-loose/foobar/options.json

@@ -1,3 +1,3 @@
 {
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-proposal-class-properties/test/fixtures/public-loose/foobar/options.json

@@ -1,4 +1,4 @@
 {
   "plugins": [["proposal-class-properties", { "loose": true }]],
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-proposal-class-properties/test/fixtures/public/foobar/options.json

@@ -1,4 +1,4 @@
 {
   "plugins": ["proposal-class-properties"],
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-proposal-class-properties/test/fixtures/regression/6154/options.json

@@ -1,4 +1,4 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": ["proposal-class-properties"]
 }

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-constructors/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }]

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-export-default/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }]

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-ordering/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }]

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-prototype-methods/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }],

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-prototype-properties/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }],

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-static-methods/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }],

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-class-static-properties/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }],

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-object-methods/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }],

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-object-ordering/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }]

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-object-properties/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     ["proposal-decorators", { "legacy": true }],
     ["proposal-class-properties", { "loose": true }],

packages/babel-plugin-proposal-decorators/test/fixtures/legacy-regression/7030/options.json

@@ -1,3 +1,3 @@
 {
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/assumption-ignoreFunctionLength/options.json

@@ -4,5 +4,8 @@
   ],
   "assumptions": {
     "ignoreFunctionLength": true
+  },
+  "targets": {
+    "browsers": "ie 6"
   }
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/assumption-setSpreadProperties-with-useBuiltIns/options.json

@@ -2,5 +2,8 @@
   "plugins": [["proposal-object-rest-spread", { "useBuiltIns": true }]],
   "assumptions": {
     "setSpreadProperties": true
+  },
+  "targets": {
+    "browsers": "ie 6"
   }
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/assumption-setSpreadProperties/options.json

@@ -2,5 +2,8 @@
   "plugins": ["proposal-object-rest-spread"],
   "assumptions": {
     "setSpreadProperties": true
+  },
+  "targets": {
+    "browsers": "ie 6"
   }
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/options.json

@@ -1,3 +1,6 @@
 {
-  "plugins": ["proposal-object-rest-spread"]
+  "plugins": ["proposal-object-rest-spread"],
+  "targets": {
+    "browsers": "ie 6"
+  }
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread-loose/options.json

@@ -1,5 +1,8 @@
 {
   "plugins": [
     ["proposal-object-rest-spread", { "loose": true }]
-  ]
+  ],
+  "targets": {
+    "browsers": "ie 6"
+  }
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/options.json

@@ -1,3 +1,6 @@
 {
-  "plugins": ["proposal-object-rest-spread"]
+  "plugins": ["proposal-object-rest-spread"],
+  "targets": {
+    "browsers": "ie 6"
+  }
 }

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/options.json

@@ -1,3 +1,6 @@
 {
-  "plugins": ["proposal-object-rest-spread"]
+  "plugins": ["proposal-object-rest-spread"],
+  "targets": {
+    "browsers": "ie 6"
+  }
 }

packages/babel-plugin-transform-classes/test/fixtures/regression/T7537/options.json

@@ -1,4 +1,4 @@
 {
   "plugins": ["transform-exponentiation-operator"],
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-transform-flow-comments/test/fixtures/flow-comments/transformed-class-method-loose-return-type-annotation/options.json

@@ -1,4 +1,4 @@
 {
-  "presets": [["env", { "loose": true }]],
+  "presets": [["env", { "loose": true, "targets": { "browsers": "ie 6" } }]],
   "plugins": ["transform-flow-comments"]
 }

packages/babel-plugin-transform-flow-comments/test/fixtures/flow-comments/transformed-class-method-return-type-annotation/options.json

@@ -1,4 +1,4 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": ["transform-flow-comments"]
 }

packages/babel-plugin-transform-flow-strip-types/test/fixtures/regression/transformed-class-method-loose-return-type-annotation/options.json

@@ -1,4 +1,4 @@
 {
-  "presets": [["env", { "loose": true }]],
+  "presets": [["env", { "loose": true, "targets": { "browsers": "ie 6" } }]],
   "plugins": ["transform-flow-strip-types"]
 }

packages/babel-plugin-transform-flow-strip-types/test/fixtures/regression/transformed-class-method-return-type-annotation/options.json

@@ -1,4 +1,4 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": ["transform-flow-strip-types"]
 }

packages/babel-plugin-transform-function-name/test/fixtures/function-name/export-default-arrow-renaming-es3/options.json

@@ -1,5 +1,5 @@
 {
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     "transform-member-expression-literals",
     "transform-property-literals"

packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/4462-T7565/options.json

@@ -1,3 +1,3 @@
 {
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7160/options.json

@@ -1,3 +1,3 @@
 {
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7272/options.json

@@ -1,3 +1,3 @@
 {
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-transform-parameters/test/fixtures/parameters/iife-this-9385/options.json

@@ -1,4 +1,4 @@
 {
   "plugins": ["transform-typescript"],
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-transform-react-constant-elements/test/fixtures/integration/issue-10879/output.js

@@ -4,19 +4,17 @@ var _react = babelHelpers.interopRequireDefault(require("react"));
 
 var _jsxRuntime = require("react/jsx-runtime");
 
-var namespace = {
+const namespace = {
-  MyComponent: function MyComponent(props) {
+  MyComponent: props => props.name
-    return props.name;
-  }
 };
 
-var buildTest = function buildTest(name) {
+const buildTest = name => {
   var _MyComponent;
 
-  var MyComponent = namespace.MyComponent;
+  const {
-  return function () {
+    MyComponent
-    return _MyComponent || (_MyComponent = /*#__PURE__*/(0, _jsxRuntime.jsx)(MyComponent, {
+  } = namespace;
-      name: name
+  return () => _MyComponent || (_MyComponent = /*#__PURE__*/(0, _jsxRuntime.jsx)(MyComponent, {
-    }));
+    name: name
-  };
+  }));
 };

packages/babel-plugin-transform-react-constant-elements/test/fixtures/integration/issue-7610/output.js

@@ -3,7 +3,7 @@
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports["default"] = void 0;
+exports.default = void 0;
 
 var _Parent = babelHelpers.interopRequireDefault(require("./Parent"));
 
@@ -11,18 +11,17 @@ var _Child2 = babelHelpers.interopRequireDefault(require("./Child"));
 
 var _jsxRuntime = require("react/jsx-runtime");
 
-function MyComponent(_ref) {
+function MyComponent({
+  closeFn
+}) {
   var _Child;
 
-  var closeFn = _ref.closeFn;
+  return /*#__PURE__*/(0, _jsxRuntime.jsx)(_Parent.default, {
-  return /*#__PURE__*/(0, _jsxRuntime.jsx)(_Parent["default"], {
+    render: () => _Child || (_Child = /*#__PURE__*/(0, _jsxRuntime.jsx)(_Child2.default, {
-    render: function render() {
+      closeFn: closeFn
-      return _Child || (_Child = /*#__PURE__*/(0, _jsxRuntime.jsx)(_Child2["default"], {
+    }))
-        closeFn: closeFn
-      }));
-    }
   });
 }
 
-var _default = _Parent["default"];
+var _default = _Parent.default;
-exports["default"] = _default;
+exports.default = _default;

packages/babel-plugin-transform-regenerator/test/fixtures/class-argument-scope/options.json

@@ -1,3 +1,3 @@
 {
-  "presets": ["env"]
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]]
 }

packages/babel-plugin-transform-runtime/test/fixtures/absoluteRuntime/options.json

@@ -1,4 +1,5 @@
 {
   "externalHelpers": false,
-  "os": ["linux", "darwin"]
+  "os": ["linux", "darwin"],
+  "targets": { "browsers": "ie 6, ios 4" }
 }

packages/babel-plugin-transform-runtime/test/fixtures/absoluteRuntime/true-corejs3-proposals/options.json

@@ -1,6 +1,6 @@
 {
   "externalHelpers": true,
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     [
       "transform-runtime",

packages/babel-plugin-transform-runtime/test/fixtures/absoluteRuntime/true-corejs3-stable/options.json

@@ -1,6 +1,6 @@
 {
   "externalHelpers": true,
-  "presets": ["env"],
+  "presets": [["env", { "targets": { "browsers": "ie 6" } }]],
   "plugins": [
     [
       "transform-runtime",

packages/babel-plugin-transform-runtime/test/fixtures/options.json

@@ -1,3 +1,4 @@
 {
-  "externalHelpers": false
+  "externalHelpers": false,
+  "targets": { "browsers": "ie 6, ios 4" }
 }

packages/babel-preset-env/test/fixtures/corejs2-babel-7/.entry-all-exec/exec.js

@@ -0,0 +1,3 @@
+if (parseInt(process.version.slice(1)) > 5) {
+  require('@babel/polyfill');
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/.entry-all-exec/options.json

@@ -0,0 +1,10 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "useBuiltIns": "usage"
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-all-babel-7/input.mjs

@@ -0,0 +1 @@
+import "@babel/polyfill";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-all-babel-7/options.json

@@ -0,0 +1,12 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-all-babel-7/output.mjs

@@ -0,0 +1,150 @@
+import "core-js/modules/es6.array.copy-within.js";
+import "core-js/modules/es6.array.every.js";
+import "core-js/modules/es6.array.fill.js";
+import "core-js/modules/es6.array.filter.js";
+import "core-js/modules/es6.array.find.js";
+import "core-js/modules/es6.array.find-index.js";
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.for-each.js";
+import "core-js/modules/es6.array.from.js";
+import "core-js/modules/es7.array.includes.js";
+import "core-js/modules/es6.array.index-of.js";
+import "core-js/modules/es6.array.is-array.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.last-index-of.js";
+import "core-js/modules/es6.array.map.js";
+import "core-js/modules/es6.array.of.js";
+import "core-js/modules/es6.array.reduce.js";
+import "core-js/modules/es6.array.reduce-right.js";
+import "core-js/modules/es6.array.slice.js";
+import "core-js/modules/es6.array.some.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es6.array.species.js";
+import "core-js/modules/es6.date.now.js";
+import "core-js/modules/es6.date.to-iso-string.js";
+import "core-js/modules/es6.date.to-json.js";
+import "core-js/modules/es6.date.to-primitive.js";
+import "core-js/modules/es6.date.to-string.js";
+import "core-js/modules/es6.function.bind.js";
+import "core-js/modules/es6.function.has-instance.js";
+import "core-js/modules/es6.function.name.js";
+import "core-js/modules/es6.map.js";
+import "core-js/modules/es6.math.acosh.js";
+import "core-js/modules/es6.math.asinh.js";
+import "core-js/modules/es6.math.atanh.js";
+import "core-js/modules/es6.math.cbrt.js";
+import "core-js/modules/es6.math.clz32.js";
+import "core-js/modules/es6.math.cosh.js";
+import "core-js/modules/es6.math.expm1.js";
+import "core-js/modules/es6.math.fround.js";
+import "core-js/modules/es6.math.hypot.js";
+import "core-js/modules/es6.math.imul.js";
+import "core-js/modules/es6.math.log1p.js";
+import "core-js/modules/es6.math.log10.js";
+import "core-js/modules/es6.math.log2.js";
+import "core-js/modules/es6.math.sign.js";
+import "core-js/modules/es6.math.sinh.js";
+import "core-js/modules/es6.math.tanh.js";
+import "core-js/modules/es6.math.trunc.js";
+import "core-js/modules/es6.number.constructor.js";
+import "core-js/modules/es6.number.epsilon.js";
+import "core-js/modules/es6.number.is-finite.js";
+import "core-js/modules/es6.number.is-integer.js";
+import "core-js/modules/es6.number.is-nan.js";
+import "core-js/modules/es6.number.is-safe-integer.js";
+import "core-js/modules/es6.number.max-safe-integer.js";
+import "core-js/modules/es6.number.min-safe-integer.js";
+import "core-js/modules/es6.number.parse-float.js";
+import "core-js/modules/es6.number.parse-int.js";
+import "core-js/modules/es6.object.assign.js";
+import "core-js/modules/es6.object.create.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es6.object.define-property.js";
+import "core-js/modules/es6.object.define-properties.js";
+import "core-js/modules/es7.object.entries.js";
+import "core-js/modules/es6.object.freeze.js";
+import "core-js/modules/es6.object.get-own-property-descriptor.js";
+import "core-js/modules/es7.object.get-own-property-descriptors.js";
+import "core-js/modules/es6.object.get-own-property-names.js";
+import "core-js/modules/es6.object.get-prototype-of.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.prevent-extensions.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es6.object.is.js";
+import "core-js/modules/es6.object.is-frozen.js";
+import "core-js/modules/es6.object.is-sealed.js";
+import "core-js/modules/es6.object.is-extensible.js";
+import "core-js/modules/es6.object.keys.js";
+import "core-js/modules/es6.object.seal.js";
+import "core-js/modules/es6.object.set-prototype-of.js";
+import "core-js/modules/es7.object.values.js";
+import "core-js/modules/es6.promise.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es6.reflect.apply.js";
+import "core-js/modules/es6.reflect.construct.js";
+import "core-js/modules/es6.reflect.define-property.js";
+import "core-js/modules/es6.reflect.delete-property.js";
+import "core-js/modules/es6.reflect.get.js";
+import "core-js/modules/es6.reflect.get-own-property-descriptor.js";
+import "core-js/modules/es6.reflect.get-prototype-of.js";
+import "core-js/modules/es6.reflect.has.js";
+import "core-js/modules/es6.reflect.is-extensible.js";
+import "core-js/modules/es6.reflect.own-keys.js";
+import "core-js/modules/es6.reflect.prevent-extensions.js";
+import "core-js/modules/es6.reflect.set.js";
+import "core-js/modules/es6.reflect.set-prototype-of.js";
+import "core-js/modules/es6.regexp.constructor.js";
+import "core-js/modules/es6.regexp.flags.js";
+import "core-js/modules/es6.regexp.match.js";
+import "core-js/modules/es6.regexp.replace.js";
+import "core-js/modules/es6.regexp.split.js";
+import "core-js/modules/es6.regexp.search.js";
+import "core-js/modules/es6.regexp.to-string.js";
+import "core-js/modules/es6.set.js";
+import "core-js/modules/es6.symbol.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es6.string.anchor.js";
+import "core-js/modules/es6.string.big.js";
+import "core-js/modules/es6.string.blink.js";
+import "core-js/modules/es6.string.bold.js";
+import "core-js/modules/es6.string.code-point-at.js";
+import "core-js/modules/es6.string.ends-with.js";
+import "core-js/modules/es6.string.fixed.js";
+import "core-js/modules/es6.string.fontcolor.js";
+import "core-js/modules/es6.string.fontsize.js";
+import "core-js/modules/es6.string.from-code-point.js";
+import "core-js/modules/es6.string.includes.js";
+import "core-js/modules/es6.string.italics.js";
+import "core-js/modules/es6.string.iterator.js";
+import "core-js/modules/es6.string.link.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es6.string.raw.js";
+import "core-js/modules/es6.string.repeat.js";
+import "core-js/modules/es6.string.small.js";
+import "core-js/modules/es6.string.starts-with.js";
+import "core-js/modules/es6.string.strike.js";
+import "core-js/modules/es6.string.sub.js";
+import "core-js/modules/es6.string.sup.js";
+import "core-js/modules/es6.string.trim.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/es6.typed.array-buffer.js";
+import "core-js/modules/es6.typed.data-view.js";
+import "core-js/modules/es6.typed.int8-array.js";
+import "core-js/modules/es6.typed.uint8-array.js";
+import "core-js/modules/es6.typed.uint8-clamped-array.js";
+import "core-js/modules/es6.typed.int16-array.js";
+import "core-js/modules/es6.typed.uint16-array.js";
+import "core-js/modules/es6.typed.int32-array.js";
+import "core-js/modules/es6.typed.uint32-array.js";
+import "core-js/modules/es6.typed.float32-array.js";
+import "core-js/modules/es6.typed.float64-array.js";
+import "core-js/modules/es6.weak-map.js";
+import "core-js/modules/es6.weak-set.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+import "regenerator-runtime/runtime.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-all/input.mjs

@@ -0,0 +1 @@
+import "@babel/polyfill";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-all/options.json

@@ -0,0 +1,13 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ],
+  "BABEL_8_BREAKING": true
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-all/output.mjs

@@ -0,0 +1,3 @@
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-48/input.mjs

@@ -0,0 +1,2 @@
+import "@babel/polyfill";
+1 ** 2;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-48/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": 48
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-48/output.mjs

@@ -0,0 +1,65 @@
+import "core-js/modules/es6.array.filter.js";
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.from.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.map.js";
+import "core-js/modules/es6.array.slice.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es6.array.species.js";
+import "core-js/modules/es6.function.has-instance.js";
+import "core-js/modules/es6.map.js";
+import "core-js/modules/es6.object.assign.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.entries.js";
+import "core-js/modules/es7.object.get-own-property-descriptors.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.object.values.js";
+import "core-js/modules/es6.promise.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es6.reflect.apply.js";
+import "core-js/modules/es6.reflect.construct.js";
+import "core-js/modules/es6.reflect.define-property.js";
+import "core-js/modules/es6.reflect.delete-property.js";
+import "core-js/modules/es6.reflect.get.js";
+import "core-js/modules/es6.reflect.get-own-property-descriptor.js";
+import "core-js/modules/es6.reflect.get-prototype-of.js";
+import "core-js/modules/es6.reflect.has.js";
+import "core-js/modules/es6.reflect.is-extensible.js";
+import "core-js/modules/es6.reflect.own-keys.js";
+import "core-js/modules/es6.reflect.prevent-extensions.js";
+import "core-js/modules/es6.reflect.set.js";
+import "core-js/modules/es6.reflect.set-prototype-of.js";
+import "core-js/modules/es6.regexp.constructor.js";
+import "core-js/modules/es6.regexp.flags.js";
+import "core-js/modules/es6.regexp.match.js";
+import "core-js/modules/es6.regexp.replace.js";
+import "core-js/modules/es6.regexp.split.js";
+import "core-js/modules/es6.regexp.search.js";
+import "core-js/modules/es6.regexp.to-string.js";
+import "core-js/modules/es6.set.js";
+import "core-js/modules/es6.symbol.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/es6.typed.array-buffer.js";
+import "core-js/modules/es6.typed.int8-array.js";
+import "core-js/modules/es6.typed.uint8-array.js";
+import "core-js/modules/es6.typed.uint8-clamped-array.js";
+import "core-js/modules/es6.typed.int16-array.js";
+import "core-js/modules/es6.typed.uint16-array.js";
+import "core-js/modules/es6.typed.int32-array.js";
+import "core-js/modules/es6.typed.uint32-array.js";
+import "core-js/modules/es6.typed.float32-array.js";
+import "core-js/modules/es6.typed.float64-array.js";
+import "core-js/modules/es6.weak-map.js";
+import "core-js/modules/es6.weak-set.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+import "regenerator-runtime/runtime.js";
+Math.pow(1, 2);

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-49/input.mjs

@@ -0,0 +1,2 @@
+import "@babel/polyfill";
+1 ** 2;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-49/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": 49
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-49/output.mjs

@@ -0,0 +1,50 @@
+import "core-js/modules/es6.array.filter.js";
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.from.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.map.js";
+import "core-js/modules/es6.array.slice.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es6.array.species.js";
+import "core-js/modules/es6.function.has-instance.js";
+import "core-js/modules/es6.map.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.entries.js";
+import "core-js/modules/es7.object.get-own-property-descriptors.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.object.values.js";
+import "core-js/modules/es6.promise.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es6.regexp.constructor.js";
+import "core-js/modules/es6.regexp.match.js";
+import "core-js/modules/es6.regexp.replace.js";
+import "core-js/modules/es6.regexp.split.js";
+import "core-js/modules/es6.regexp.search.js";
+import "core-js/modules/es6.regexp.to-string.js";
+import "core-js/modules/es6.set.js";
+import "core-js/modules/es6.symbol.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/es6.typed.array-buffer.js";
+import "core-js/modules/es6.typed.int8-array.js";
+import "core-js/modules/es6.typed.uint8-array.js";
+import "core-js/modules/es6.typed.uint8-clamped-array.js";
+import "core-js/modules/es6.typed.int16-array.js";
+import "core-js/modules/es6.typed.uint16-array.js";
+import "core-js/modules/es6.typed.int32-array.js";
+import "core-js/modules/es6.typed.uint32-array.js";
+import "core-js/modules/es6.typed.float32-array.js";
+import "core-js/modules/es6.typed.float64-array.js";
+import "core-js/modules/es6.weak-map.js";
+import "core-js/modules/es6.weak-set.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+import "regenerator-runtime/runtime.js";
+Math.pow(1, 2);

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-66/input.mjs

@@ -0,0 +1,16 @@
+import "@babel/polyfill";
+
+const foo = {
+  a: true,
+};
+
+const bar = {
+  ...foo,
+  b: false,
+};
+
+async function baz() {
+  for await (const x of someAsyncThing()) {
+    console.log(x);
+  }
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-66/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": "66"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-66/output.mjs

@@ -0,0 +1,16 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+const foo = {
+  a: true
+};
+const bar = { ...foo,
+  b: false
+};
+
+async function baz() {
+  for await (const x of someAsyncThing()) {
+    console.log(x);
+  }
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-71/input.mjs

@@ -0,0 +1,16 @@
+import "@babel/polyfill";
+
+const foo = {
+  a: true,
+};
+
+const bar = {
+  ...foo,
+  b: false,
+};
+
+async function baz() {
+  for await (const x of someAsyncThing()) {
+    console.log(x);
+  }
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-71/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": "71"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chrome-71/output.mjs

@@ -0,0 +1,15 @@
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+const foo = {
+  a: true
+};
+const bar = { ...foo,
+  b: false
+};
+
+async function baz() {
+  for await (const x of someAsyncThing()) {
+    console.log(x);
+  }
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chromeandroid/input.mjs

@@ -0,0 +1,2 @@
+import "@babel/polyfill";
+1 ** 2;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chromeandroid/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "browsers": "chromeandroid 59"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-chromeandroid/output.mjs

@@ -0,0 +1,15 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+1 ** 2;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-core-js-main-require/input.mjs

@@ -0,0 +1 @@
+require("core-js");

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-core-js-main-require/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": 55
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-core-js-main-require/output.mjs

@@ -0,0 +1,17 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-core-js-main/input.mjs

@@ -0,0 +1 @@
+import "core-js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-core-js-main/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": 55
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-core-js-main/output.mjs

@@ -0,0 +1,17 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-electron/input.mjs

@@ -0,0 +1,3 @@
+import "@babel/polyfill";
+
+a ** b;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-electron/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "electron": "1.4"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-electron/output.mjs

@@ -0,0 +1,18 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+a ** b;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-ie-11/input.mjs

@@ -0,0 +1 @@
+import "@babel/polyfill";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-ie-11/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "ie": 11
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-ie-11/output.mjs

@@ -0,0 +1,130 @@
+import "core-js/modules/es6.array.copy-within.js";
+import "core-js/modules/es6.array.fill.js";
+import "core-js/modules/es6.array.filter.js";
+import "core-js/modules/es6.array.find.js";
+import "core-js/modules/es6.array.find-index.js";
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.from.js";
+import "core-js/modules/es7.array.includes.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.map.js";
+import "core-js/modules/es6.array.of.js";
+import "core-js/modules/es6.array.slice.js";
+import "core-js/modules/es6.array.species.js";
+import "core-js/modules/es6.date.to-primitive.js";
+import "core-js/modules/es6.function.has-instance.js";
+import "core-js/modules/es6.function.name.js";
+import "core-js/modules/es6.map.js";
+import "core-js/modules/es6.math.acosh.js";
+import "core-js/modules/es6.math.asinh.js";
+import "core-js/modules/es6.math.atanh.js";
+import "core-js/modules/es6.math.cbrt.js";
+import "core-js/modules/es6.math.clz32.js";
+import "core-js/modules/es6.math.cosh.js";
+import "core-js/modules/es6.math.expm1.js";
+import "core-js/modules/es6.math.fround.js";
+import "core-js/modules/es6.math.hypot.js";
+import "core-js/modules/es6.math.imul.js";
+import "core-js/modules/es6.math.log1p.js";
+import "core-js/modules/es6.math.log10.js";
+import "core-js/modules/es6.math.log2.js";
+import "core-js/modules/es6.math.sign.js";
+import "core-js/modules/es6.math.sinh.js";
+import "core-js/modules/es6.math.tanh.js";
+import "core-js/modules/es6.math.trunc.js";
+import "core-js/modules/es6.number.constructor.js";
+import "core-js/modules/es6.number.epsilon.js";
+import "core-js/modules/es6.number.is-finite.js";
+import "core-js/modules/es6.number.is-integer.js";
+import "core-js/modules/es6.number.is-nan.js";
+import "core-js/modules/es6.number.is-safe-integer.js";
+import "core-js/modules/es6.number.max-safe-integer.js";
+import "core-js/modules/es6.number.min-safe-integer.js";
+import "core-js/modules/es6.number.parse-float.js";
+import "core-js/modules/es6.number.parse-int.js";
+import "core-js/modules/es6.object.assign.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.entries.js";
+import "core-js/modules/es6.object.freeze.js";
+import "core-js/modules/es6.object.get-own-property-descriptor.js";
+import "core-js/modules/es7.object.get-own-property-descriptors.js";
+import "core-js/modules/es6.object.get-own-property-names.js";
+import "core-js/modules/es6.object.get-prototype-of.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.prevent-extensions.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es6.object.is.js";
+import "core-js/modules/es6.object.is-frozen.js";
+import "core-js/modules/es6.object.is-sealed.js";
+import "core-js/modules/es6.object.is-extensible.js";
+import "core-js/modules/es6.object.keys.js";
+import "core-js/modules/es6.object.seal.js";
+import "core-js/modules/es7.object.values.js";
+import "core-js/modules/es6.promise.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es6.reflect.apply.js";
+import "core-js/modules/es6.reflect.construct.js";
+import "core-js/modules/es6.reflect.define-property.js";
+import "core-js/modules/es6.reflect.delete-property.js";
+import "core-js/modules/es6.reflect.get.js";
+import "core-js/modules/es6.reflect.get-own-property-descriptor.js";
+import "core-js/modules/es6.reflect.get-prototype-of.js";
+import "core-js/modules/es6.reflect.has.js";
+import "core-js/modules/es6.reflect.is-extensible.js";
+import "core-js/modules/es6.reflect.own-keys.js";
+import "core-js/modules/es6.reflect.prevent-extensions.js";
+import "core-js/modules/es6.reflect.set.js";
+import "core-js/modules/es6.reflect.set-prototype-of.js";
+import "core-js/modules/es6.regexp.constructor.js";
+import "core-js/modules/es6.regexp.flags.js";
+import "core-js/modules/es6.regexp.match.js";
+import "core-js/modules/es6.regexp.replace.js";
+import "core-js/modules/es6.regexp.split.js";
+import "core-js/modules/es6.regexp.search.js";
+import "core-js/modules/es6.regexp.to-string.js";
+import "core-js/modules/es6.set.js";
+import "core-js/modules/es6.symbol.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es6.string.anchor.js";
+import "core-js/modules/es6.string.big.js";
+import "core-js/modules/es6.string.blink.js";
+import "core-js/modules/es6.string.bold.js";
+import "core-js/modules/es6.string.code-point-at.js";
+import "core-js/modules/es6.string.ends-with.js";
+import "core-js/modules/es6.string.fixed.js";
+import "core-js/modules/es6.string.fontcolor.js";
+import "core-js/modules/es6.string.fontsize.js";
+import "core-js/modules/es6.string.from-code-point.js";
+import "core-js/modules/es6.string.includes.js";
+import "core-js/modules/es6.string.italics.js";
+import "core-js/modules/es6.string.iterator.js";
+import "core-js/modules/es6.string.link.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es6.string.raw.js";
+import "core-js/modules/es6.string.repeat.js";
+import "core-js/modules/es6.string.small.js";
+import "core-js/modules/es6.string.starts-with.js";
+import "core-js/modules/es6.string.strike.js";
+import "core-js/modules/es6.string.sub.js";
+import "core-js/modules/es6.string.sup.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/es6.typed.array-buffer.js";
+import "core-js/modules/es6.typed.int8-array.js";
+import "core-js/modules/es6.typed.uint8-array.js";
+import "core-js/modules/es6.typed.uint8-clamped-array.js";
+import "core-js/modules/es6.typed.int16-array.js";
+import "core-js/modules/es6.typed.uint16-array.js";
+import "core-js/modules/es6.typed.int32-array.js";
+import "core-js/modules/es6.typed.uint32-array.js";
+import "core-js/modules/es6.typed.float32-array.js";
+import "core-js/modules/es6.typed.float64-array.js";
+import "core-js/modules/es6.weak-map.js";
+import "core-js/modules/es6.weak-set.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+import "regenerator-runtime/runtime.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-ie-9/input.mjs

@@ -0,0 +1 @@
+import "@babel/polyfill";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-ie-9/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "ie": 9
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-ie-9/output.mjs

@@ -0,0 +1,133 @@
+import "core-js/modules/es6.array.copy-within.js";
+import "core-js/modules/es6.array.fill.js";
+import "core-js/modules/es6.array.filter.js";
+import "core-js/modules/es6.array.find.js";
+import "core-js/modules/es6.array.find-index.js";
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.from.js";
+import "core-js/modules/es7.array.includes.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.map.js";
+import "core-js/modules/es6.array.of.js";
+import "core-js/modules/es6.array.slice.js";
+import "core-js/modules/es6.array.species.js";
+import "core-js/modules/es6.date.to-primitive.js";
+import "core-js/modules/es6.date.to-string.js";
+import "core-js/modules/es6.function.has-instance.js";
+import "core-js/modules/es6.function.name.js";
+import "core-js/modules/es6.map.js";
+import "core-js/modules/es6.math.acosh.js";
+import "core-js/modules/es6.math.asinh.js";
+import "core-js/modules/es6.math.atanh.js";
+import "core-js/modules/es6.math.cbrt.js";
+import "core-js/modules/es6.math.clz32.js";
+import "core-js/modules/es6.math.cosh.js";
+import "core-js/modules/es6.math.expm1.js";
+import "core-js/modules/es6.math.fround.js";
+import "core-js/modules/es6.math.hypot.js";
+import "core-js/modules/es6.math.imul.js";
+import "core-js/modules/es6.math.log1p.js";
+import "core-js/modules/es6.math.log10.js";
+import "core-js/modules/es6.math.log2.js";
+import "core-js/modules/es6.math.sign.js";
+import "core-js/modules/es6.math.sinh.js";
+import "core-js/modules/es6.math.tanh.js";
+import "core-js/modules/es6.math.trunc.js";
+import "core-js/modules/es6.number.constructor.js";
+import "core-js/modules/es6.number.epsilon.js";
+import "core-js/modules/es6.number.is-finite.js";
+import "core-js/modules/es6.number.is-integer.js";
+import "core-js/modules/es6.number.is-nan.js";
+import "core-js/modules/es6.number.is-safe-integer.js";
+import "core-js/modules/es6.number.max-safe-integer.js";
+import "core-js/modules/es6.number.min-safe-integer.js";
+import "core-js/modules/es6.number.parse-float.js";
+import "core-js/modules/es6.number.parse-int.js";
+import "core-js/modules/es6.object.assign.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.entries.js";
+import "core-js/modules/es6.object.freeze.js";
+import "core-js/modules/es6.object.get-own-property-descriptor.js";
+import "core-js/modules/es7.object.get-own-property-descriptors.js";
+import "core-js/modules/es6.object.get-own-property-names.js";
+import "core-js/modules/es6.object.get-prototype-of.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.prevent-extensions.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es6.object.is.js";
+import "core-js/modules/es6.object.is-frozen.js";
+import "core-js/modules/es6.object.is-sealed.js";
+import "core-js/modules/es6.object.is-extensible.js";
+import "core-js/modules/es6.object.keys.js";
+import "core-js/modules/es6.object.seal.js";
+import "core-js/modules/es6.object.set-prototype-of.js";
+import "core-js/modules/es7.object.values.js";
+import "core-js/modules/es6.promise.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es6.reflect.apply.js";
+import "core-js/modules/es6.reflect.construct.js";
+import "core-js/modules/es6.reflect.define-property.js";
+import "core-js/modules/es6.reflect.delete-property.js";
+import "core-js/modules/es6.reflect.get.js";
+import "core-js/modules/es6.reflect.get-own-property-descriptor.js";
+import "core-js/modules/es6.reflect.get-prototype-of.js";
+import "core-js/modules/es6.reflect.has.js";
+import "core-js/modules/es6.reflect.is-extensible.js";
+import "core-js/modules/es6.reflect.own-keys.js";
+import "core-js/modules/es6.reflect.prevent-extensions.js";
+import "core-js/modules/es6.reflect.set.js";
+import "core-js/modules/es6.reflect.set-prototype-of.js";
+import "core-js/modules/es6.regexp.constructor.js";
+import "core-js/modules/es6.regexp.flags.js";
+import "core-js/modules/es6.regexp.match.js";
+import "core-js/modules/es6.regexp.replace.js";
+import "core-js/modules/es6.regexp.split.js";
+import "core-js/modules/es6.regexp.search.js";
+import "core-js/modules/es6.regexp.to-string.js";
+import "core-js/modules/es6.set.js";
+import "core-js/modules/es6.symbol.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es6.string.anchor.js";
+import "core-js/modules/es6.string.big.js";
+import "core-js/modules/es6.string.blink.js";
+import "core-js/modules/es6.string.bold.js";
+import "core-js/modules/es6.string.code-point-at.js";
+import "core-js/modules/es6.string.ends-with.js";
+import "core-js/modules/es6.string.fixed.js";
+import "core-js/modules/es6.string.fontcolor.js";
+import "core-js/modules/es6.string.fontsize.js";
+import "core-js/modules/es6.string.from-code-point.js";
+import "core-js/modules/es6.string.includes.js";
+import "core-js/modules/es6.string.italics.js";
+import "core-js/modules/es6.string.iterator.js";
+import "core-js/modules/es6.string.link.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es6.string.raw.js";
+import "core-js/modules/es6.string.repeat.js";
+import "core-js/modules/es6.string.small.js";
+import "core-js/modules/es6.string.starts-with.js";
+import "core-js/modules/es6.string.strike.js";
+import "core-js/modules/es6.string.sub.js";
+import "core-js/modules/es6.string.sup.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/es6.typed.array-buffer.js";
+import "core-js/modules/es6.typed.data-view.js";
+import "core-js/modules/es6.typed.int8-array.js";
+import "core-js/modules/es6.typed.uint8-array.js";
+import "core-js/modules/es6.typed.uint8-clamped-array.js";
+import "core-js/modules/es6.typed.int16-array.js";
+import "core-js/modules/es6.typed.uint16-array.js";
+import "core-js/modules/es6.typed.int32-array.js";
+import "core-js/modules/es6.typed.uint32-array.js";
+import "core-js/modules/es6.typed.float32-array.js";
+import "core-js/modules/es6.typed.float64-array.js";
+import "core-js/modules/es6.weak-map.js";
+import "core-js/modules/es6.weak-set.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+import "regenerator-runtime/runtime.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-import/input.mjs

@@ -0,0 +1,2 @@
+import "@babel/polyfill";
+1 ** 2;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-import/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": 55
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-import/output.mjs

@@ -0,0 +1,18 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+1 ** 2;

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-10.13/input.mjs

@@ -0,0 +1,2 @@
+import "@babel/polyfill";
+

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-10.13/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "node": "10.13"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-10.13/output.mjs

@@ -0,0 +1 @@
+import "core-js/modules/es7.array.flat-map.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-11/input.mjs

@@ -0,0 +1,2 @@
+import "@babel/polyfill";
+

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-11/options.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "node": "11"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-11/output.mjs

@@ -0,0 +1 @@
+

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-web/input.mjs

@@ -0,0 +1 @@
+import "@babel/polyfill";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-web/options.json

@@ -0,0 +1,17 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "chrome": "55",
+          "node": "7.6"
+        },
+        "modules": false,
+        "useBuiltIns": "entry",
+        "forceAllTransforms": true,
+        "corejs": 2
+      }
+    ]
+  ]
+}

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node-web/output.mjs

@@ -0,0 +1,18 @@
+import "core-js/modules/es7.array.flat-map.js";
+import "core-js/modules/es6.array.iterator.js";
+import "core-js/modules/es6.array.sort.js";
+import "core-js/modules/es7.object.define-getter.js";
+import "core-js/modules/es7.object.define-setter.js";
+import "core-js/modules/es7.object.lookup-getter.js";
+import "core-js/modules/es7.object.lookup-setter.js";
+import "core-js/modules/es6.object.to-string.js";
+import "core-js/modules/es7.promise.finally.js";
+import "core-js/modules/es7.symbol.async-iterator.js";
+import "core-js/modules/es7.string.pad-start.js";
+import "core-js/modules/es7.string.pad-end.js";
+import "core-js/modules/es7.string.trim-left.js";
+import "core-js/modules/es7.string.trim-right.js";
+import "core-js/modules/web.timers.js";
+import "core-js/modules/web.immediate.js";
+import "core-js/modules/web.dom.iterable.js";
+import "regenerator-runtime/runtime.js";

packages/babel-preset-env/test/fixtures/corejs2-babel-7/entry-node/input.mjs

@@ -0,0 +1 @@
+import "@babel/polyfill";