// Copyright (C) 2025 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Exporting the same namespace object twice with `import * as foo; export { foo }` produces an unambiguous binding esid: sec-source-text-module-record-initialize-environment info: | [...] 7. For each ImportEntry Record in of module.[[ImportEntries]], do a. Let importedModule be GetImportedModule(module, in.[[ModuleRequest]]). b. If in.[[ImportName]] is namespace-object, then i. Let namespace be GetModuleNamespace(importedModule). ii. Perform ! env.CreateImmutableBinding(in.[[LocalName]], true). iii. Perform ! env.InitializeBinding(in.[[LocalName]], namespace). c. Else, i. Let resolution be importedModule.ResolveExport(in.[[ImportName]]). ii. If resolution is either null or ambiguous, throw a SyntaxError exception. Table 59 (Informative): Export Forms Mappings to ExportEntry Records Export Statement Form [[ExportName]] [[ModuleRequest]] [[ImportName]] [[LocalName]] export * as ns from "mod"; "ns" "mod" all null 16.2.1.7.1 ParseModule ( sourceText, realm, hostDefined ) [...] 10. For each ExportEntry Record ee of exportEntries, do 1. If ee.[[ModuleRequest]] is null, then i. If importedBoundNames does not contain ee.[[LocalName]], then 1. Append ee to localExportEntries. ii. Else, 1. Let ie be the element of importEntries whose [[LocalName]] is ee.[[LocalName]]. 2. If ie.[[ImportName]] is namespace-object, then a. NOTE: This is a re-export of an imported module namespace object. b. Append the ExportEntry Record { [[ModuleRequest]]: ie.[[ModuleRequest]], [[ImportName]]: ~all~, [[LocalName]]: *null*, [[ExportName]]: ee.[[ExportName]] } to indirectExportEntries. 3. Else, a. NOTE: This is a re-export of a single name. b. Append the ExportEntry Record { [[ModuleRequest]]: ie.[[ModuleRequest]], [[ImportName]]: ie.[[ImportName]], [[LocalName]]: null, [[ExportName]]: ee.[[ExportName]] } to indirectExportEntries. 2. Else if ee.[[ImportName]] is all-but-default, then [...] 3. Else, a. Append ee to indirectExportEntries. 15.2.1.16.3 ResolveExport [...] 6. For each ExportEntry Record e of module.[[IndirectExportEntries]], do a. If e.[[ExportName]] is exportName, then i. Assert: e.[[ModuleRequest]] is not null. ii. Let importedModule be GetImportedModule(module, e.[[ModuleRequest]]). iii. If e.[[ImportName]] is all, then 1. Assert: module does not provide the direct binding for this export. 2. Return ResolvedBinding Record { [[Module]]: importedModule, [[BindingName]]: namespace }. [...] 9. Let starResolution be null. 10. For each ExportEntry Record e in module.[[StarExportEntries]], do a. Let importedModule be GetImportedModule(module, e.[[ModuleRequest]]). b. Let resolution be ? importedModule.ResolveExport(exportName, resolveSet, exportStarSet). c. If resolution is ~ambiguous~, return ~ambiguous~. d. If resolution is not null, then i. If starResolution is null, let starResolution be resolution. ii. Else, 1. Assert: there is more than one * import that includes the requested name. 2. If _resolution_.[[Module]] and _starResolution_.[[Module]] are not the same Module Record, return ~ambiguous~. 3. If _resolution_.[[BindingName]] is not _starResolution_.[[BindingName]], return ~ambiguous~. flags: [module] ---*/ export * from "./namespace-import-star-as-and-export-1_FIXTURE.js"; export * from "./namespace-import-star-as-and-export-2_FIXTURE.js"; import { foo } from './namespace-unambiguous-if-import-star-as-and-export.js'; assert.sameValue(typeof foo, 'object');