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Remove missingType when inferring from properties in EOPT (#57447)

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This commit is contained in:
Mateusz Burzyński
2024-03-08 23:21:00 +01:00
committed by GitHub
parent 77bb09055b
commit 0a975626ec
8 changed files with 539 additions and 2 deletions
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7
src/compiler/checker.ts
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@@ -26179,7 +26179,10 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
for (const targetProp of properties) {
const sourceProp = getPropertyOfType(source, targetProp.escapedName);
if (sourceProp && !some(sourceProp.declarations, hasSkipDirectInferenceFlag)) {
inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
inferFromTypes(
removeMissingType(getTypeOfSymbol(sourceProp), !!(sourceProp.flags & SymbolFlags.Optional)),
removeMissingType(getTypeOfSymbol(targetProp), !!(targetProp.flags & SymbolFlags.Optional)),
);
}
}
}
@@ -30575,7 +30578,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
else if (t.flags & TypeFlags.StructuredType) {
const prop = getPropertyOfType(t, name);
if (prop) {
return isCircularMappedProperty(prop) ? undefined : removeMissingType(getTypeOfSymbol(prop), !!(prop && prop.flags & SymbolFlags.Optional));
return isCircularMappedProperty(prop) ? undefined : removeMissingType(getTypeOfSymbol(prop), !!(prop.flags & SymbolFlags.Optional));
}
if (isTupleType(t) && isNumericLiteralName(name) && +name >= 0) {
const restType = getElementTypeOfSliceOfTupleType(t, t.target.fixedLength, /*endSkipCount*/ 0, /*writing*/ false, /*noReductions*/ true);