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Merge pull request #15512 from Microsoft/release-2.3_fixDefaultTypeParameter

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[React-Release 2.3] Enable default type parameter in React Component class
This commit is contained in:
Yui
2017-05-01 19:29:04 -07:00
committed by GitHub
parent eb123f9569 5f19c3e197
commit 8a306785b4
18 changed files with 458 additions and 1 deletions
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13
src/compiler/checker.ts
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@@ -13397,7 +13397,18 @@ namespace ts {
}
}
return getUnionType(map(signatures, getReturnTypeOfSignature), /*subtypeReduction*/ true);
const instantiatedSignatures = [];
for (const signature of signatures) {
if (signature.typeParameters) {
const typeArguments = fillMissingTypeArguments(/*typeArguments*/ undefined, signature.typeParameters, /*minTypeArgumentCount*/ 0);
instantiatedSignatures.push(getSignatureInstantiation(signature, typeArguments));
}
else {
instantiatedSignatures.push(signature);
}
}
return getUnionType(map(instantiatedSignatures, getReturnTypeOfSignature), /*subtypeReduction*/ true);
}
/**