Function isPartialMappedType

test/fixtures/snapshot/typescript.js:58692–58694

(type)

            return optionality || (isGenericMappedType(modifiersType) ? getMappedTypeOptionality(modifiersType) : 0);
        }
        function isPartialMappedType(type) {
            return !!(ts.getObjectFlags(type) & 32 /* ObjectFlags.Mapped */ && getMappedTypeModifiers(type) & 4 /* MappedTypeModifiers.IncludeOptional */);
        }
        function isGenericMappedType(type) {
            return !!(ts.getObjectFlags(type) & 32 /* ObjectFlags.Mapped */) && isGenericIndexType(getConstraintTypeFromMappedType(type));
        }