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Fix constructor instantiation with defaults

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Ron Buckton
2017-06-13 13:19:54 -07:00
parent 982ab1f59d
commit afed54ae8a
5 changed files with 201 additions and 89 deletions
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17
src/compiler/checker.ts
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@@ -4826,12 +4826,21 @@ namespace ts {
}
function getInstantiatedConstructorsForTypeArguments(type: Type, typeArgumentNodes: TypeNode[], location: Node): Signature[] {
let signatures = getConstructorsForTypeArguments(type, typeArgumentNodes, location);
if (some(typeArgumentNodes)) {
const signatures = getConstructorsForTypeArguments(type, typeArgumentNodes, location);
if (some(signatures)) {
const result: Signature[] = [];
const typeArguments = map(typeArgumentNodes, getTypeFromTypeNode);
signatures = map(signatures, sig => getSignatureInstantiation(sig, typeArguments));
for (const sig of signatures) {
if (some(sig.typeParameters)) {
result.push(getSignatureInstantiation(sig, typeArguments));
}
else {
result.push(sig);
}
}
return result;
}
return signatures;
return emptyArray;
}
/**