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Merge pull request #21585 from Microsoft/fix21584

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Fix initializer assignability for unique symbol
This commit is contained in:
Ron Buckton
2018-02-06 11:30:12 -08:00
committed by GitHub
parent cde1cd0075 6f792f5aec
commit 3b73ce49d7
7 changed files with 29 additions and 9 deletions
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2
src/compiler/checker.ts
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@@ -8418,7 +8418,7 @@ namespace ts {
if (isValidESSymbolDeclaration(node)) {
const symbol = getSymbolOfNode(node);
const links = getSymbolLinks(symbol);
return links.type || (links.type = createUniqueESSymbolType(symbol));
return links.uniqueESSymbolType || (links.uniqueESSymbolType = createUniqueESSymbolType(symbol));
}
return esSymbolType;
}

1
src/compiler/types.ts
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@@ -3311,6 +3311,7 @@ namespace ts {
immediateTarget?: Symbol; // Immediate target of an alias. May be another alias. Do not access directly, use `checker.getImmediateAliasedSymbol` instead.
target?: Symbol; // Resolved (non-alias) target of an alias
type?: Type; // Type of value symbol
uniqueESSymbolType?: Type; // UniqueESSymbol type for a symbol
declaredType?: Type; // Type of class, interface, enum, type alias, or type parameter
typeParameters?: TypeParameter[]; // Type parameters of type alias (undefined if non-generic)
outerTypeParameters?: TypeParameter[]; // Outer type parameters of anonymous object type