Implement namespace exports in modules (#4708)

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
2021-07-09 07:23:28 +02:00
parent e3a299b3d6
commit 7f6a699700
6 changed files with 130 additions and 5 deletions
@@ -0,0 +1,33 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Export the same namespace using two names */
+export
+  * as ns1 from
+  "./module-export-04.mjs"
+export * as
+  ns2
+  from "./module-export-04.mjs"
+export *
+  as ns3 from "./module-export-04.mjs"
+
+/* Local bindings can have the same names as exports. */
+import ns1, {x as ns2}
+  from "./module-export-04.mjs"
+let ns3 = 9.5
+
+assert(ns1 === "str")
+assert(ns2 === 41)
+assert(ns3 === 9.5)
@@ -0,0 +1,30 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {ns1 as obj, ns2} from "module-export-10.mjs"
+import {ns3} from "module-export-10.mjs"
+
+assert(typeof obj === "object")
+assert(obj === ns2)
+assert(obj === ns3)
+
+assert(obj.x === 41)
+try {
+  obj.x = 42
+  assert(false)
+} catch (e) {
+  assert(e instanceof TypeError)
+}
+assert(obj.x === 41)
@@ -13,5 +13,6 @@
 * limitations under the License.
 */

-/* Star exports can't have an export name. */
-export * as star from "../es.next/module-export-01.mjs"
+export function ns() {}
+/* Duplicated export. */
+export * as ns from "../es.next/module-export-fail-test.mjs"