Add export-namespace-from to preset-env (#11849)

* feat: add compat-data of proposal-export-namespace-from

* feat: add export-namespace-from to preset-env

* chore: update test fixtures

* address review comments

packages/babel-compat-data/data/plugins.json

@@ -410,5 +410,13 @@
     "phantom": "2",
     "samsung": "1",
     "electron": "0.20"
+  },
+  "proposal-export-namespace-from": {
+    "chrome": "72",
+    "edge": "79",
+    "opera": "60",
+    "firefox": "80",
+    "node": "13.2",
+    "samsung": "11.0"
   }
 }

packages/babel-compat-data/scripts/build-data.js

@@ -9,6 +9,19 @@ for (const target of ["plugin", "corejs2-built-in"]) {
     environments,
     require(`./data/${target}-features`)
   );
+  if (target === "plugin") {
+    // add export-namespace-from from mdn-browser-compat-data
+    // todo: replace the hardcoded compat data to mdn-browser-compat-data
+    // after https://github.com/mdn/browser-compat-data/pull/6394 is published
+    newData["proposal-export-namespace-from"] = {
+      chrome: "72",
+      edge: "79",
+      opera: "60",
+      firefox: "80",
+      node: "13.2",
+      samsung: "11.0",
+    };
+  }
   const dataPath = path.join(__dirname, `../data/${target}s.json`);
 
   if (!writeFile(newData, dataPath, target)) {

packages/babel-preset-env/package.json

@@ -22,6 +22,7 @@
     "@babel/plugin-proposal-async-generator-functions": "^7.10.4",
     "@babel/plugin-proposal-class-properties": "^7.10.4",
     "@babel/plugin-proposal-dynamic-import": "^7.10.4",
+    "@babel/plugin-proposal-export-namespace-from": "^7.10.4",
     "@babel/plugin-proposal-json-strings": "^7.10.4",
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.10.4",
     "@babel/plugin-proposal-numeric-separator": "^7.10.4",
@@ -33,6 +34,7 @@
     "@babel/plugin-syntax-async-generators": "^7.8.0",
     "@babel/plugin-syntax-class-properties": "^7.10.4",
     "@babel/plugin-syntax-dynamic-import": "^7.8.0",
+    "@babel/plugin-syntax-export-namespace-from": "^7.8.3",
     "@babel/plugin-syntax-json-strings": "^7.8.0",
     "@babel/plugin-syntax-nullish-coalescing-operator": "^7.8.0",
     "@babel/plugin-syntax-numeric-separator": "^7.10.4",

packages/babel-preset-env/src/available-plugins.js

@@ -4,6 +4,7 @@
 import syntaxAsyncGenerators from "@babel/plugin-syntax-async-generators";
 import syntaxClassProperties from "@babel/plugin-syntax-class-properties";
 import syntaxDynamicImport from "@babel/plugin-syntax-dynamic-import";
+import syntaxExportNamespaceFrom from "@babel/plugin-syntax-export-namespace-from";
 import syntaxJsonStrings from "@babel/plugin-syntax-json-strings";
 import syntaxNullishCoalescingOperator from "@babel/plugin-syntax-nullish-coalescing-operator";
 import syntaxNumericSeparator from "@babel/plugin-syntax-numeric-separator";
@@ -14,6 +15,7 @@ import syntaxTopLevelAwait from "@babel/plugin-syntax-top-level-await";
 import proposalAsyncGeneratorFunctions from "@babel/plugin-proposal-async-generator-functions";
 import proposalClassProperties from "@babel/plugin-proposal-class-properties";
 import proposalDynamicImport from "@babel/plugin-proposal-dynamic-import";
+import proposalExportNamespaceFrom from "@babel/plugin-proposal-export-namespace-from";
 import proposalJsonStrings from "@babel/plugin-proposal-json-strings";
 import proposalNullishCoalescingOperator from "@babel/plugin-proposal-nullish-coalescing-operator";
 import proposalNumericSeparator from "@babel/plugin-proposal-numeric-separator";
@@ -72,6 +74,7 @@ export default {
   "proposal-async-generator-functions": proposalAsyncGeneratorFunctions,
   "proposal-class-properties": proposalClassProperties,
   "proposal-dynamic-import": proposalDynamicImport,
+  "proposal-export-namespace-from": proposalExportNamespaceFrom,
   "proposal-json-strings": proposalJsonStrings,
   "proposal-nullish-coalescing-operator": proposalNullishCoalescingOperator,
   "proposal-numeric-separator": proposalNumericSeparator,
@@ -83,6 +86,7 @@ export default {
   "syntax-async-generators": syntaxAsyncGenerators,
   "syntax-class-properties": syntaxClassProperties,
   "syntax-dynamic-import": syntaxDynamicImport,
+  "syntax-export-namespace-from": syntaxExportNamespaceFrom,
   "syntax-json-strings": syntaxJsonStrings,
   "syntax-nullish-coalescing-operator": syntaxNullishCoalescingOperator,
   "syntax-numeric-separator": syntaxNumericSeparator,

packages/babel-preset-env/src/index.js

@@ -99,14 +99,16 @@ export const getModulesPluginNames = ({
   transformations,
   shouldTransformESM,
   shouldTransformDynamicImport,
+  shouldTransformExportNamespaceFrom,
   shouldParseTopLevelAwait,
-}: {
+}: {|
   modules: ModuleOption,
   transformations: ModuleTransformationsType,
   shouldTransformESM: boolean,
   shouldTransformDynamicImport: boolean,
+  shouldTransformExportNamespaceFrom: boolean,
   shouldParseTopLevelAwait: boolean,
-}) => {
+|}) => {
   const modulesPluginNames = [];
   if (modules !== false && transformations[modules]) {
     if (shouldTransformESM) {
@@ -132,6 +134,12 @@ export const getModulesPluginNames = ({
     modulesPluginNames.push("syntax-dynamic-import");
   }
 
+  if (shouldTransformExportNamespaceFrom) {
+    modulesPluginNames.push("proposal-export-namespace-from");
+  } else {
+    modulesPluginNames.push("syntax-export-namespace-from");
+  }
+
   if (shouldParseTopLevelAwait) {
     modulesPluginNames.push("syntax-top-level-await");
   }
@@ -206,6 +214,10 @@ function supportsDynamicImport(caller) {
   return !!caller?.supportsDynamicImport;
 }
 
+function supportsExportNamespaceFrom(caller) {
+  return !!caller?.supportsExportNamespaceFrom;
+}
+
 function supportsTopLevelAwait(caller) {
   return !!caller?.supportsTopLevelAwait;
 }
@@ -265,6 +277,15 @@ export default declare((api, opts) => {
 
   const transformTargets = forceAllTransforms || hasUglifyTarget ? {} : targets;
 
+  const compatData = getPluginList(shippedProposals, bugfixes);
+  const shouldSkipExportNamespaceFrom =
+    (modules === "auto" && api.caller?.(supportsExportNamespaceFrom)) ||
+    (modules === false &&
+      !isRequired("proposal-export-namespace-from", transformTargets, {
+        compatData,
+        includes: include.plugins,
+        excludes: exclude.plugins,
+      }));
   const modulesPluginNames = getModulesPluginNames({
     modules,
     transformations: moduleTransformations,
@@ -273,11 +294,12 @@ export default declare((api, opts) => {
     shouldTransformESM: modules !== "auto" || !api.caller?.(supportsStaticESM),
     shouldTransformDynamicImport:
       modules !== "auto" || !api.caller?.(supportsDynamicImport),
+    shouldTransformExportNamespaceFrom: !shouldSkipExportNamespaceFrom,
     shouldParseTopLevelAwait: !api.caller || api.caller(supportsTopLevelAwait),
   });
 
   const pluginNames = filterItems(
-    getPluginList(shippedProposals, bugfixes),
+    compatData,
     include.plugins,
     exclude.plugins,
     transformTargets,

packages/babel-preset-env/test/fixtures/bugfixes/_esmodules-no-bugfixes/stdout.txt

@@ -31,6 +31,7 @@ Using plugins:
   transform-function-name { "edge":"16" }
   transform-unicode-regex { "ios":"10.3", "safari":"10.1" }
   transform-block-scoping { "ios":"10.3", "safari":"10.1" }
+  proposal-export-namespace-from { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   transform-modules-commonjs { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   proposal-dynamic-import { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }
 

packages/babel-preset-env/test/fixtures/bugfixes/_esmodules/stdout.txt

@@ -26,6 +26,7 @@ Using plugins:
   proposal-unicode-property-regex { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   transform-named-capturing-groups-regex { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   transform-unicode-regex { "ios":"10.3", "safari":"10.1" }
+  proposal-export-namespace-from { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   bugfix/transform-async-arrows-in-class { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   bugfix/transform-edge-default-parameters { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   bugfix/transform-edge-function-name { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-chrome-40/stdout.txt

@@ -37,6 +37,7 @@ Using plugins:
   transform-block-scoping { "chrome":"40" }
   transform-new-target { "chrome":"40" }
   transform-regenerator { "chrome":"40" }
+  proposal-export-namespace-from { "chrome":"40" }
   transform-modules-commonjs { "chrome":"40" }
   proposal-dynamic-import { "chrome":"40" }
 

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-chrome-70/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"70" }
   syntax-async-generators { "chrome":"70" }
   syntax-object-rest-spread { "chrome":"70" }
+  proposal-export-namespace-from { "chrome":"70" }
   transform-modules-commonjs { "chrome":"70" }
   proposal-dynamic-import { "chrome":"70" }
 

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-edge-14/stdout.txt

@@ -21,6 +21,7 @@ Using plugins:
   transform-async-to-generator { "edge":"14" }
   transform-for-of { "edge":"14" }
   transform-destructuring { "edge":"14" }
+  proposal-export-namespace-from { "edge":"14" }
   bugfix/transform-edge-function-name { "edge":"14" }
   transform-modules-commonjs { "edge":"14" }
   proposal-dynamic-import { "edge":"14" }

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-edge-15/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   transform-dotall-regex { "edge":"15" }
   proposal-unicode-property-regex { "edge":"15" }
   transform-named-capturing-groups-regex { "edge":"15" }
+  proposal-export-namespace-from { "edge":"15" }
   bugfix/transform-edge-default-parameters { "edge":"15" }
   bugfix/transform-edge-function-name { "edge":"15" }
   transform-modules-commonjs { "edge":"15" }

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-edge-17-no-bugfixes/stdout.txt

@@ -19,6 +19,7 @@ Using plugins:
   proposal-unicode-property-regex { "edge":"17" }
   transform-named-capturing-groups-regex { "edge":"17" }
   transform-function-name { "edge":"17" }
+  proposal-export-namespace-from { "edge":"17" }
   transform-modules-commonjs { "edge":"17" }
   proposal-dynamic-import { "edge":"17" }
 

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-edge-17/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   transform-dotall-regex { "edge":"17" }
   proposal-unicode-property-regex { "edge":"17" }
   transform-named-capturing-groups-regex { "edge":"17" }
+  proposal-export-namespace-from { "edge":"17" }
   bugfix/transform-edge-default-parameters { "edge":"17" }
   bugfix/transform-edge-function-name { "edge":"17" }
   transform-modules-commonjs { "edge":"17" }

packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-edge-18/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   transform-dotall-regex { "edge":"18" }
   proposal-unicode-property-regex { "edge":"18" }
   transform-named-capturing-groups-regex { "edge":"18" }
+  proposal-export-namespace-from { "edge":"18" }
   bugfix/transform-edge-function-name { "edge":"18" }
   transform-modules-commonjs { "edge":"18" }
   proposal-dynamic-import { "edge":"18" }

packages/babel-preset-env/test/fixtures/bugfixes/edge-function-name-edge-14-no-bugfixes/stdout.txt

@@ -22,6 +22,7 @@ Using plugins:
   transform-function-name { "edge":"14" }
   transform-for-of { "edge":"14" }
   transform-destructuring { "edge":"14" }
+  proposal-export-namespace-from { "edge":"14" }
   transform-modules-commonjs { "edge":"14" }
   proposal-dynamic-import { "edge":"14" }
 

packages/babel-preset-env/test/fixtures/bugfixes/edge-function-name-edge-14/stdout.txt

@@ -21,6 +21,7 @@ Using plugins:
   transform-async-to-generator { "edge":"14" }
   transform-for-of { "edge":"14" }
   transform-destructuring { "edge":"14" }
+  proposal-export-namespace-from { "edge":"14" }
   bugfix/transform-edge-function-name { "edge":"14" }
   transform-modules-commonjs { "edge":"14" }
   proposal-dynamic-import { "edge":"14" }

packages/babel-preset-env/test/fixtures/bugfixes/edge-function-name-edge-15/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   transform-dotall-regex { "edge":"15" }
   proposal-unicode-property-regex { "edge":"15" }
   transform-named-capturing-groups-regex { "edge":"15" }
+  proposal-export-namespace-from { "edge":"15" }
   bugfix/transform-edge-default-parameters { "edge":"15" }
   bugfix/transform-edge-function-name { "edge":"15" }
   transform-modules-commonjs { "edge":"15" }

packages/babel-preset-env/test/fixtures/bugfixes/safari-block-scoping-safari-10-no-bugfixes/stdout.txt

@@ -22,6 +22,7 @@ Using plugins:
   transform-template-literals { "safari":"10" }
   transform-unicode-regex { "safari":"10" }
   transform-block-scoping { "safari":"10" }
+  proposal-export-namespace-from { "safari":"10" }
   transform-modules-commonjs { "safari":"10" }
   proposal-dynamic-import { "safari":"10" }
 

packages/babel-preset-env/test/fixtures/bugfixes/safari-block-scoping-safari-10/stdout.txt

@@ -20,6 +20,7 @@ Using plugins:
   transform-async-to-generator { "safari":"10" }
   transform-exponentiation-operator { "safari":"10" }
   transform-unicode-regex { "safari":"10" }
+  proposal-export-namespace-from { "safari":"10" }
   bugfix/transform-safari-block-shadowing { "safari":"10" }
   bugfix/transform-safari-for-shadowing { "safari":"10" }
   bugfix/transform-tagged-template-caching { "safari":"10" }

packages/babel-preset-env/test/fixtures/bugfixes/safari-block-scoping-safari-11/stdout.txt

@@ -18,6 +18,7 @@ Using plugins:
   proposal-unicode-property-regex { "safari":"11" }
   transform-named-capturing-groups-regex { "safari":"11" }
   transform-unicode-regex { "safari":"11" }
+  proposal-export-namespace-from { "safari":"11" }
   bugfix/transform-tagged-template-caching { "safari":"11" }
   transform-modules-commonjs { "safari":"11" }
   proposal-dynamic-import { "safari":"11" }

packages/babel-preset-env/test/fixtures/bugfixes/safari-block-scoping-safari-9/stdout.txt

@@ -31,6 +31,7 @@ Using plugins:
   transform-block-scoping { "safari":"9" }
   transform-new-target { "safari":"9" }
   transform-regenerator { "safari":"9" }
+  proposal-export-namespace-from { "safari":"9" }
   bugfix/transform-tagged-template-caching { "safari":"9" }
   transform-modules-commonjs { "safari":"9" }
   proposal-dynamic-import { "safari":"9" }

packages/babel-preset-env/test/fixtures/corejs2/usage-browserslist-config-ignore/stdout.txt

@@ -31,6 +31,7 @@ Using plugins:
   transform-function-name { "edge":"16" }
   transform-unicode-regex { "ios":"10.3", "safari":"10.1" }
   transform-block-scoping { "ios":"10.3", "safari":"10.1" }
+  proposal-export-namespace-from { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   syntax-dynamic-import { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }
 
 Using polyfills with `usage` option:

packages/babel-preset-env/test/fixtures/corejs3/usage-browserslist-config-ignore/stdout.txt

@@ -31,6 +31,7 @@ Using plugins:
   transform-function-name { "edge":"16" }
   transform-unicode-regex { "ios":"10.3", "safari":"10.1" }
   transform-block-scoping { "ios":"10.3", "safari":"10.1" }
+  proposal-export-namespace-from { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "opera":"48", "safari":"10.1", "samsung":"8.2" }
   syntax-dynamic-import { "android":"61", "chrome":"61", "edge":"16", "firefox":"60", "ios":"10.3", "node":"13.2", "opera":"48", "safari":"10.1", "samsung":"8.2" }
 
 Using polyfills with `usage` option:

packages/babel-preset-env/test/fixtures/debug/browserslist-env/stdout.txt

@@ -39,6 +39,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "ie":"11" }
+  proposal-export-namespace-from { "ie":"11" }
   transform-modules-commonjs { "ie":"11" }
   proposal-dynamic-import { "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/browserslists-android-3/stdout.txt

@@ -43,6 +43,7 @@ Using plugins:
   transform-member-expression-literals { "android":"3" }
   transform-property-literals { "android":"3" }
   transform-reserved-words { "android":"3" }
+  proposal-export-namespace-from { "android":"3" }
   transform-modules-commonjs { "android":"3" }
   proposal-dynamic-import { "android":"3" }
 

packages/babel-preset-env/test/fixtures/debug/browserslists-defaults-not-ie/stdout.txt

@@ -26,6 +26,7 @@ Using plugins:
   transform-named-capturing-groups-regex { "edge":"18", "firefox":"68" }
   transform-template-literals { "ios":"12.2" }
   transform-function-name { "edge":"18" }
+  proposal-export-namespace-from { "edge":"18", "firefox":"68", "ios":"12.2", "safari":"13", "samsung":"10.1" }
   transform-modules-commonjs { "android":"80", "chrome":"79", "edge":"18", "firefox":"68", "ios":"12.2", "opera":"67", "safari":"13", "samsung":"10.1" }
   proposal-dynamic-import { "android":"80", "chrome":"79", "edge":"18", "firefox":"68", "ios":"12.2", "opera":"67", "safari":"13", "samsung":"10.1" }
 

packages/babel-preset-env/test/fixtures/debug/browserslists-defaults/stdout.txt

@@ -47,6 +47,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "ie":"11" }
+  proposal-export-namespace-from { "edge":"18", "firefox":"68", "ie":"11", "ios":"12.2", "safari":"13", "samsung":"10.1" }
   transform-modules-commonjs { "android":"80", "chrome":"79", "edge":"18", "firefox":"68", "ie":"11", "ios":"12.2", "opera":"67", "safari":"13", "samsung":"10.1" }
   proposal-dynamic-import { "android":"80", "chrome":"79", "edge":"18", "firefox":"68", "ie":"11", "ios":"12.2", "opera":"67", "safari":"13", "samsung":"10.1" }
 

packages/babel-preset-env/test/fixtures/debug/browserslists-last-2-versions-not-ie/stdout.txt

@@ -24,6 +24,7 @@ Using plugins:
   transform-dotall-regex { "firefox":"75" }
   proposal-unicode-property-regex { "firefox":"75" }
   transform-named-capturing-groups-regex { "firefox":"75" }
+  proposal-export-namespace-from { "firefox":"75", "ios":"13.3", "safari":"13", "samsung":"10.1" }
   transform-modules-commonjs { "android":"80", "chrome":"80", "edge":"80", "firefox":"75", "ios":"13.3", "opera":"67", "safari":"13", "samsung":"10.1" }
   proposal-dynamic-import { "android":"80", "chrome":"80", "edge":"80", "firefox":"75", "ios":"13.3", "opera":"67", "safari":"13", "samsung":"10.1" }
 

packages/babel-preset-env/test/fixtures/debug/corejs-without-usebuiltins/stdout.txt

@@ -43,6 +43,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-android/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-new-target { "android":"4" }
   transform-regenerator { "android":"4" }
   transform-reserved-words { "android":"4" }
+  proposal-export-namespace-from { "android":"4" }
   transform-modules-commonjs { "android":"4" }
   proposal-dynamic-import { "android":"4" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-electron/stdout.txt

@@ -34,6 +34,7 @@ Using plugins:
   transform-destructuring { "electron":"0.36" }
   transform-block-scoping { "electron":"0.36" }
   transform-regenerator { "electron":"0.36" }
+  proposal-export-namespace-from { "electron":"0.36" }
   transform-modules-commonjs { "electron":"0.36" }
   proposal-dynamic-import { "electron":"0.36" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-force-all-transforms/stdout.txt

@@ -43,6 +43,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from { "chrome":"55" }
   syntax-dynamic-import { "chrome":"55" }
 
 Using polyfills with `entry` option:

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-no-import/stdout.txt

@@ -22,6 +22,7 @@ Using plugins:
   transform-function-name { "node":"6" }
   transform-for-of { "node":"6" }
   transform-destructuring { "node":"6" }
+  proposal-export-namespace-from { "node":"6" }
   transform-modules-commonjs { "node":"6" }
   proposal-dynamic-import { "node":"6" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-proposals-chrome-71/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-proposals/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-specific-targets/stdout.txt

@@ -45,6 +45,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10", "safari":"7" }
   transform-new-target { "edge":"13", "ie":"10", "ios":"9", "safari":"7" }
   transform-regenerator { "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
+  proposal-export-namespace-from { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-modules-commonjs { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   proposal-dynamic-import { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-decimals/stdout.txt

@@ -51,6 +51,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "electron":"0.36", "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   transform-modules-commonjs { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   proposal-dynamic-import { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-strings/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6.10" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6.10" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6.10" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs2/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-android/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-new-target { "android":"4" }
   transform-regenerator { "android":"4" }
   transform-reserved-words { "android":"4" }
+  proposal-export-namespace-from { "android":"4" }
   transform-modules-commonjs { "android":"4" }
   proposal-dynamic-import { "android":"4" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-babel-polyfill/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-electron/stdout.txt

@@ -34,6 +34,7 @@ Using plugins:
   transform-destructuring { "electron":"0.36" }
   transform-block-scoping { "electron":"0.36" }
   transform-regenerator { "electron":"0.36" }
+  proposal-export-namespace-from { "electron":"0.36" }
   transform-modules-commonjs { "electron":"0.36" }
   proposal-dynamic-import { "electron":"0.36" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-force-all-transforms/stdout.txt

@@ -43,6 +43,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from { "chrome":"55" }
   syntax-dynamic-import { "chrome":"55" }
 
 Using polyfills with `entry` option:

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-no-import/stdout.txt

@@ -22,6 +22,7 @@ Using plugins:
   transform-function-name { "node":"6" }
   transform-for-of { "node":"6" }
   transform-destructuring { "node":"6" }
+  proposal-export-namespace-from { "node":"6" }
   transform-modules-commonjs { "node":"6" }
   proposal-dynamic-import { "node":"6" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-proposals-chrome-71/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-proposals/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-runtime-only-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-runtime-only/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-targets/stdout.txt

@@ -45,6 +45,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10", "safari":"7" }
   transform-new-target { "edge":"13", "ie":"10", "ios":"9", "safari":"7" }
   transform-regenerator { "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
+  proposal-export-namespace-from { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-modules-commonjs { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   proposal-dynamic-import { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable-samsung-8.2/stdout.txt

@@ -19,6 +19,7 @@ Using plugins:
   syntax-object-rest-spread { "samsung":"8.2" }
   proposal-unicode-property-regex { "samsung":"8.2" }
   transform-named-capturing-groups-regex { "samsung":"8.2" }
+  proposal-export-namespace-from { "samsung":"8.2" }
   transform-modules-commonjs { "samsung":"8.2" }
   proposal-dynamic-import { "samsung":"8.2" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-decimals/stdout.txt

@@ -51,6 +51,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "electron":"0.36", "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   transform-modules-commonjs { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   proposal-dynamic-import { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.0/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6.10" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6.10" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6.10" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.1/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6.10" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6.10" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6.10" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6.10" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6.10" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6.10" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web-chrome-71/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-corejs3/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6" }
 

packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-no-import/stdout.txt

@@ -22,6 +22,7 @@ Using plugins:
   transform-function-name { "node":"6" }
   transform-for-of { "node":"6" }
   transform-destructuring { "node":"6" }
+  proposal-export-namespace-from { "node":"6" }
   transform-modules-commonjs { "node":"6" }
   proposal-dynamic-import { "node":"6" }
 

packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-shippedProposals/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from {}
   transform-modules-commonjs {}
   proposal-dynamic-import {}
 

packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-uglify/stdout.txt

@@ -46,6 +46,7 @@ Using plugins:
   transform-member-expression-literals {}
   transform-property-literals {}
   transform-reserved-words {}
+  proposal-export-namespace-from { "chrome":"55" }
   syntax-dynamic-import { "chrome":"55" }
 
 Using polyfills with `entry` option:

packages/babel-preset-env/test/fixtures/debug/entry-no-corejs/stdout.txt

@@ -42,6 +42,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
+  proposal-export-namespace-from { "chrome":"54", "ie":"10", "node":"6" }
   transform-modules-commonjs { "chrome":"54", "ie":"10", "node":"6" }
   proposal-dynamic-import { "chrome":"54", "ie":"10", "node":"6" }
 

packages/babel-preset-env/test/fixtures/debug/plugins-only/stdout.txt

@@ -30,6 +30,7 @@ Using plugins:
   transform-for-of { "firefox":"52" }
   transform-unicode-escapes { "firefox":"52" }
   transform-destructuring { "firefox":"52" }
+  proposal-export-namespace-from { "firefox":"52", "node":"7.4" }
   transform-modules-commonjs { "firefox":"52", "node":"7.4" }
   proposal-dynamic-import { "firefox":"52", "node":"7.4" }
 

packages/babel-preset-env/test/fixtures/debug/shippedProposals-chrome-80/stdout.txt

@@ -19,5 +19,6 @@ Using plugins:
   syntax-object-rest-spread { "chrome":"80" }
   transform-modules-commonjs { "chrome":"80" }
   proposal-dynamic-import { "chrome":"80" }
+  proposal-export-namespace-from {}
 
 Using polyfills: No polyfills were added, since the `useBuiltIns` option was not set.

packages/babel-preset-env/test/fixtures/debug/shippedProposals-chrome-84/stdout.txt

@@ -18,5 +18,6 @@ Using plugins:
   syntax-object-rest-spread { "chrome":"84" }
   transform-modules-commonjs { "chrome":"84" }
   proposal-dynamic-import { "chrome":"84" }
+  proposal-export-namespace-from {}
 
 Using polyfills: No polyfills were added, since the `useBuiltIns` option was not set.

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-1/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-2/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-chrome-71-1/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-chrome-71-2/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-1/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-2/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-1/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-2/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-chrome-71-1/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-chrome-71-2/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-1/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-2/stdout.txt

@@ -44,6 +44,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-with-import/stdout.txt

@@ -17,6 +17,7 @@ Using plugins:
   transform-dotall-regex { "chrome":"55" }
   proposal-unicode-property-regex { "chrome":"55" }
   transform-named-capturing-groups-regex { "chrome":"55" }
+  proposal-export-namespace-from { "chrome":"55" }
   transform-modules-commonjs { "chrome":"55" }
   proposal-dynamic-import { "chrome":"55" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-1/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-2/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-chrome-71-1/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-chrome-71-2/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-1/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-2/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-1/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-2/stdout.txt

@@ -41,6 +41,7 @@ Using plugins:
   transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
+  proposal-export-namespace-from { "chrome":"52", "firefox":"50", "ie":"11" }
   transform-modules-commonjs { "chrome":"52", "firefox":"50", "ie":"11" }
   proposal-dynamic-import { "chrome":"52", "firefox":"50", "ie":"11" }
 

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-chrome-71-1/stdout.txt

@@ -14,6 +14,7 @@ Using plugins:
   syntax-optional-catch-binding { "chrome":"71" }
   syntax-async-generators { "chrome":"71" }
   syntax-object-rest-spread { "chrome":"71" }
+  proposal-export-namespace-from { "chrome":"71" }
   transform-modules-commonjs { "chrome":"71" }
   proposal-dynamic-import { "chrome":"71" }