test262/test/language/module-code/instn-named-err-ambiguous.js

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JavaScript

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Named import binding - resolution failure (ambiguous name)
esid: sec-moduledeclarationinstantiation
info: |
[...]
12. For each ImportEntry Record in in module.[[ImportEntries]], do
a. Let importedModule be ? HostResolveImportedModule(module,
in.[[ModuleRequest]]).
b. If in.[[ImportName]] is "*", then
[...]
c. Else,
i. Let resolution be ?
importedModule.ResolveExport(in.[[ImportName]], « », « »).
ii. If resolution is null or resolution is "ambiguous", throw a
SyntaxError exception.
15.2.1.16.3 ResolveExport
[...]
9. Let starResolution be null.
10. For each ExportEntry Record e in module.[[StarExportEntries]], do
a. Let importedModule be ? HostResolveImportedModule(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 or
SameValue(resolution.[[BindingName]],
starResolution.[[BindingName]]) is false, return "ambiguous".
negative:
phase: runtime
type: SyntaxError
flags: [module]
---*/
import { x } from './instn-named-err-ambiguous_FIXTURE.js';