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Erase type parameters when fetching return type from JSDoc @type tag

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This commit is contained in:
Anders Hejlsberg
2018-08-04 09:13:22 -07:00
parent a75fe5194e
commit 539775779e
1 changed files with 3 additions and 3 deletions
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6
src/compiler/checker.ts
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@@ -7567,8 +7567,8 @@ namespace ts {
function getReturnTypeOfTypeTag(node: SignatureDeclaration | JSDocSignature) {
const typeTag = isInJavaScriptFile(node) ? getJSDocTypeTag(node) : undefined;
const signatures = typeTag && typeTag.typeExpression && getSignaturesOfType(getTypeFromTypeNode(typeTag.typeExpression), SignatureKind.Call);
return signatures && signatures.length === 1 ? getReturnTypeOfSignature(signatures[0]) : undefined;
const signature = typeTag && typeTag.typeExpression && getSingleCallSignature(getTypeFromTypeNode(typeTag.typeExpression));
return signature && getReturnTypeOfSignature(getErasedSignature(signature));
}
function containsArgumentsReference(declaration: SignatureDeclaration): boolean {
@@ -7698,7 +7698,7 @@ namespace ts {
function getReturnTypeFromAnnotationOrBody(declaration: SignatureDeclaration | JSDocSignature) {
if (declaration.kind === SyntaxKind.Constructor) {
return getDeclaredTypeOfClassOrInterface(getMergedSymbol((<ClassDeclaration>declaration.parent).symbol))
return getDeclaredTypeOfClassOrInterface(getMergedSymbol((<ClassDeclaration>declaration.parent).symbol));
}
if (isJSDocConstructSignature(declaration)) {
return getTypeFromTypeNode((declaration.parameters[0] as ParameterDeclaration).type!); // TODO: GH#18217