add support for export extensions https://github.com/leebyron/ecmascript-more-export-from - closes #1091

test/acorn/tests-babel.js

@@ -2058,3 +2058,55 @@ test('export async function foo(){}', {
 });
 
 // ES7 decorators
+
+// ES7 export extensions - https://github.com/leebyron/ecmascript-more-export-from
+
+test('export foo from "bar";', {
+  type: "Program",
+  body: [{
+    type: "ExportNamespaceDeclaration",
+    start: 0,
+    end: 22,
+    exported: {
+      type: "Identifier",
+      name: "foo",
+      start: 7,
+      end: 10,
+    },
+    source: {
+      type: "Literal",
+      value: "bar",
+      start: 16,
+      end: 21
+    }
+  }]
+}, {
+  ecmaVersion: 7,
+  sourceType: "module",
+  features: { "es7.exportExtensions": true }
+});
+
+test('export * as foo from "bar";', {
+  type: "Program",
+  body: [{
+    type: "ExportAllDeclaration",
+    start: 0,
+    end: 27,
+    exported: {
+      type: "Identifier",
+      name: "foo",
+      start: 12,
+      end: 15,
+    },
+    source: {
+      type: "Literal",
+      value: "bar",
+      start: 21,
+      end: 26
+    }
+  }]
+}, {
+  ecmaVersion: 7,
+  sourceType: "module",
+  features: { "es7.exportExtensions": true }
+});

test/core/fixtures/transformation/es7-export-extensions/default-commonjs/actual.js

@@ -0,0 +1 @@
+export foo from "bar";

test/core/fixtures/transformation/es7-export-extensions/default-commonjs/expected.js

@@ -0,0 +1,5 @@
+"use strict";
+
+var _default = babelHelpers.interopRequire(require("bar"));
+
+module.exports = _default;

test/core/fixtures/transformation/es7-export-extensions/default-es6/actual.js

@@ -0,0 +1 @@
+export foo from "bar";

test/core/fixtures/transformation/es7-export-extensions/default-es6/expected.js

@@ -0,0 +1,4 @@
+"use strict";
+
+import _default from "bar";
+export default _default;

test/core/fixtures/transformation/es7-export-extensions/default-es6/options.json

@@ -0,0 +1,3 @@
+{
+  "blacklist": ["es6.modules"]
+}

test/core/fixtures/transformation/es7-export-extensions/namespace-commonjs/actual.js

@@ -0,0 +1 @@
+export * as foo from "bar";

test/core/fixtures/transformation/es7-export-extensions/namespace-commonjs/expected.js

@@ -0,0 +1,9 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _foo = babelHelpers.interopRequireWildcard(require("bar"));
+
+exports.foo = _foo;

test/core/fixtures/transformation/es7-export-extensions/namespace-es6/actual.js

@@ -0,0 +1 @@
+export * as foo from "bar";

test/core/fixtures/transformation/es7-export-extensions/namespace-es6/expected.js

@@ -0,0 +1,4 @@
+"use strict";
+
+import * as _foo from "bar";
+export { _foo as foo };

test/core/fixtures/transformation/es7-export-extensions/namespace-es6/options.json

@@ -0,0 +1,3 @@
+{
+  "blacklist": ["es6.modules"]
+}

test/core/fixtures/transformation/es7-export-extensions/options.json

@@ -0,0 +1,5 @@
+{
+  "noCheckAst": true,
+  "externalHelpers": true,
+  "optional": "es7.exportExtensions"
+}