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Allow semantic operations to be performed on property names.

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Provide the property symbol of the type being destructured when referring to the property name.
This commit is contained in:
Daniel Rosenwasser
2015-06-25 15:52:10 -04:00
parent 8ec4af546a
commit d7a4ac25f4
1 changed files with 15 additions and 4 deletions
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19
src/compiler/checker.ts
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@@ -12352,10 +12352,21 @@ namespace ts {
return getSymbolOfNode(node.parent);
}
if (node.kind === SyntaxKind.Identifier && isInRightSideOfImportOrExportAssignment(<Identifier>node)) {
return node.parent.kind === SyntaxKind.ExportAssignment
? getSymbolOfEntityNameOrPropertyAccessExpression(<Identifier>node)
: getSymbolOfPartOfRightHandSideOfImportEquals(<Identifier>node);
if (node.kind === SyntaxKind.Identifier) {
if (isInRightSideOfImportOrExportAssignment(<Identifier>node)) {
return node.parent.kind === SyntaxKind.ExportAssignment
? getSymbolOfEntityNameOrPropertyAccessExpression(<Identifier>node)
: getSymbolOfPartOfRightHandSideOfImportEquals(<Identifier>node);
}
else if (node.parent.kind === SyntaxKind.BindingElement &&
node.parent.parent.kind === SyntaxKind.ObjectBindingPattern &&
node === (<BindingElement>node.parent).propertyName) {
let typeOfPattern = getTypeAtLocation(node.parent.parent);
let propertyDeclaration = getPropertyOfType(typeOfPattern, (<Identifier>node).text);
if (propertyDeclaration) {
return propertyDeclaration;
}
}
}
switch (node.kind) {