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Don't add special behavior for tuples.

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This commit is contained in:
Daniel Rosenwasser
2021-10-22 22:39:28 +00:00
committed by GitHub
parent de7f98cf69
commit f01ae16e65
1 changed files with 1 additions and 1 deletions
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2
src/compiler/checker.ts
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@@ -16516,7 +16516,7 @@ namespace ts {
if (t.flags & (TypeFlags.AnyOrUnknown | TypeFlags.InstantiableNonPrimitive | TypeFlags.Object | TypeFlags.Intersection) && t !== wildcardType && !isErrorType(t)) {
if (!type.declaration.nameType) {
let constraint;
if (isArrayType(t) || (t.flags & TypeFlags.Any) && (constraint = getConstraintOfTypeParameter(typeVariable)) && everyType(constraint, or(isArrayType, isTupleType))) {
if (isArrayType(t) || (t.flags & TypeFlags.Any) && (constraint = getConstraintOfTypeParameter(typeVariable)) && everyType(constraint, isArrayType)) {
return instantiateMappedArrayType(t, type, prependTypeMapping(typeVariable, t, mapper));
}
if (isGenericTupleType(t)) {