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Merge pull request #6044 from weswigham/redeclared-export-type

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Exempt one type declaration from the redeclared export check - Fix #6043
This commit is contained in:
Wesley Wigham
2015-12-11 16:15:22 -08:00
parent f51de5b28f ef6c137f9e
commit 5ee0957974
5 changed files with 34 additions and 1 deletions
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2
src/compiler/checker.ts
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@@ -14295,7 +14295,7 @@ namespace ts {
}
const { declarations, flags } = exports[id];
// ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries. (TS Exceptions: namespaces, function overloads, enums, and interfaces)
if (!(flags & (SymbolFlags.Namespace | SymbolFlags.Interface | SymbolFlags.Enum)) && declarations.length > 1) {
if (!(flags & (SymbolFlags.Namespace | SymbolFlags.Interface | SymbolFlags.Enum)) && (flags & SymbolFlags.TypeAlias ? declarations.length - 1 : declarations.length) > 1) {
const exportedDeclarations: Declaration[] = filter(declarations, isNotOverload);
if (exportedDeclarations.length > 1) {
for (const declaration of exportedDeclarations) {