Merge pull request #5399 from babel/update-babylon-beta-4

Update babylon beta 4

.eslintignore

@@ -6,6 +6,7 @@ packages/*/node_modules
 packages/*/lib
 packages/*/dist
 packages/*/test/fixtures
+packages/*/test/tmp
 vendor
 _babel.github.io
 Gulpfile.js

packages/babel-core/package.json

@@ -34,7 +34,7 @@
     "babel-register": "^6.23.0",
     "babel-traverse": "^6.23.1",
     "babel-types": "^6.23.0",
-    "babylon": "7.0.0-beta.3",
+    "babylon": "7.0.0-beta.4",
     "convert-source-map": "^1.1.0",
     "debug": "^2.1.1",
     "json5": "^0.5.0",

packages/babel-generator/package.json

@@ -21,6 +21,6 @@
   },
   "devDependencies": {
     "babel-helper-fixtures": "^6.22.0",
-    "babylon": "7.0.0-beta.3"
+    "babylon": "7.0.0-beta.4"
   }
 }

packages/babel-helper-remap-async-to-generator/src/index.js

@@ -146,6 +146,23 @@ function plainFunction(path: NodePath, callId: Object) {
     ]);
     declar._blockHoist = true;
 
+    if (path.parentPath.isExportDefaultDeclaration()) {
+      // change the path type so that replaceWith() does not wrap
+      // the identifier into an expressionStatement
+      path.parentPath.insertBefore(declar);
+      path.parentPath.replaceWith(
+        t.exportNamedDeclaration(null,
+          [
+            t.exportSpecifier(
+              t.identifier(asyncFnId.name),
+              t.identifier("default")
+            )
+          ]
+        )
+      );
+      return;
+    }
+
     path.replaceWith(declar);
   } else {
     const retFunction = container.body.body[1].argument;

packages/babel-plugin-transform-async-to-generator/test/fixtures/export-async/default-arrow-export/actual.js

@@ -0,0 +1 @@
+export default async () => { return await foo(); }

packages/babel-plugin-transform-async-to-generator/test/fixtures/export-async/default-arrow-export/expected.js

@@ -0,0 +1,8 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = babelHelpers.asyncToGenerator(function* () {
+  return yield foo();
+});

packages/babel-plugin-transform-async-to-generator/test/fixtures/export-async/default-export/actual.js

@@ -0,0 +1 @@
+export default async function myFunc() {}

packages/babel-plugin-transform-async-to-generator/test/fixtures/export-async/default-export/expected.js

@@ -0,0 +1,15 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+let myFunc = (() => {
+  var _ref = babelHelpers.asyncToGenerator(function* () {});
+
+  return function myFunc() {
+    return _ref.apply(this, arguments);
+  };
+})();
+
+exports.default = myFunc;

packages/babel-template/package.json

@@ -8,7 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-template",
   "main": "lib/index.js",
   "dependencies": {
-    "babylon": "7.0.0-beta.3",
+    "babylon": "7.0.0-beta.4",
     "babel-traverse": "^6.23.0",
     "babel-types": "^6.23.0",
     "lodash": "^4.2.0"

packages/babel-traverse/package.json

@@ -11,7 +11,7 @@
     "babel-code-frame": "^6.22.0",
     "babel-messages": "^6.23.0",
     "babel-types": "^6.23.0",
-    "babylon": "7.0.0-beta.3",
+    "babylon": "7.0.0-beta.4",
     "debug": "^2.2.0",
     "globals": "^9.0.0",
     "invariant": "^2.2.0",

packages/babel-types/package.json

@@ -13,6 +13,6 @@
     "to-fast-properties": "^1.0.1"
   },
   "devDependencies": {
-    "babylon": "7.0.0-beta.3"
+    "babylon": "7.0.0-beta.4"
   }
 }