internal static Type GetParentTypeToAugument(Type type)
{
var attr = TypeUtils.GetCustomAttributesData(type).FirstOrDefault(a => a.AttributeType.Name == Constants.TypeScriptAugumentParentAttributeName);
if (attr != null)
{
var baseTypes = type.GetInterfaces().ToList();
if (type.BaseType != null && !TypeUtils.Is <object>(type.BaseType))
{
baseTypes.Insert(0, type.BaseType);
}
return(baseTypes.FirstOrDefault());
}
return(null);
}
public static async Task <TsTypeDefinition> BuildTsTypeDefinitionAsync(Type type, TypeBuilderConfig config, GeneratorContext generatorContext)
{
var tsNamespace = GetTypescriptNamespace(type);
if (type.IsEnum)
{
var members = Enum.GetNames(type);
return(TsTypeDefinition.Enum(type.Name, members));
}
else
{
var properties = TypeUtils.GetRelevantProperties(type);
var fields = TypeUtils.GetRelevantFields(type);
IList <Type> extends;
if (type.IsInterface)
{
extends = type.GetInterfaces();
}
else if (type.IsValueType || TypeUtils.Is <object>(type.BaseType))
{
extends = new List <Type>();
}
else
{
extends = new List <Type> {
type.BaseType
};
}
foreach (var iface in type.GetInterfaces())
{
// We look for default interface properties because we don't generate an extends clause for C# interfaces
// but that means we loose default interface properties. If any of the types interface has default properties
// we include it in the extends clause.
var defaultInterfaceProperties = TypeUtils.GetRelevantProperties(iface).Where(p => p.GetGetMethod()?.IsAbstract == false);
properties.AddRange(defaultInterfaceProperties);
}
var parentToAugument = GetParentTypeToAugument(type);
var parentDefToAugument = default(TsTypeDefinition);
if (parentToAugument != null)
{
parentDefToAugument = await BuildTsTypeDefinitionAsync(parentToAugument, config, generatorContext);
}
var members = new List <TsInterfaceMember>();
members.AddRange(properties.Select(m => BuildMember(m, type.GetInterfaces(), config, tsNamespace)).Where(x => x != null));
members.AddRange(fields.Select(m => BuildMember(m, type.GetInterfaces(), config, tsNamespace)).Where(x => x != null));
return(TsTypeDefinition.Interface(type,
members,
extends.Select(e => BuildTsTypeReference(e, config, tsNamespace, true)),
type.GetTypeInfo().GenericTypeParameters.Select(TypeUtils.GetNameWithoutGenericArity),
GetDerivedTypes(type, config, tsNamespace, generatorContext),
parentDefToAugument,
GetTypeMemberName(type)));
}
}
private static TsTypeReference BuildTsTypeReference(Type type, TypeBuilderConfig config, string currentTsNamespace, bool returnTheMainTypeEvenIfItHasADerivedTypesUnion)
{
var isOptional = false;
var underlyingNullableType = GetUnderlyingNullableType(type);
if (underlyingNullableType != null)
{
type = underlyingNullableType;
isOptional = true;
}
if (type.IsGenericParameter)
{
return(TsTypeReference.Simple(type.Name, isOptional));
}
var typeFullName = TypeUtils.GetFullNameWithGenericArguments(type);
if (typeFullName != null && config.TypeMappings.TryGetValue(typeFullName, out var mappedType))
{
return(TsTypeReference.Wrap(mappedType, isOptional));
}
var typeScriptTypeAttribute = GetTypeScriptTypeAttribute(type);
if (typeScriptTypeAttribute != null)
{
if (typeScriptTypeAttribute.ConstructorArguments[0].Value is string typeString)
{
return(TsTypeReference.Simple(typeString));
}
else if (typeScriptTypeAttribute.ConstructorArguments[0].Value is Type replaceWithType)
{
type = replaceWithType;
}
}
if (
TypeUtils.Is <byte>(type) ||
TypeUtils.Is <sbyte>(type) ||
TypeUtils.Is <int>(type) ||
TypeUtils.Is <uint>(type) ||
TypeUtils.Is <long>(type) ||
TypeUtils.Is <ulong>(type) ||
TypeUtils.Is <short>(type) ||
TypeUtils.Is <ushort>(type) ||
TypeUtils.Is <double>(type) ||
TypeUtils.Is <decimal>(type) ||
TypeUtils.Is <float>(type)
)
{
return(TsTypeReference.Simple("number", isOptional));
}
if (TypeUtils.Is <string>(type))
{
return(TsTypeReference.Simple("string", isOptional));
}
if (TypeUtils.Is <bool>(type))
{
return(TsTypeReference.Simple("boolean", isOptional));
}
var dictionaryTypes = GetDictionaryUnderlyingTypes(type);
if (dictionaryTypes != null)
{
return(TsTypeReference.Dictionary(BuildTsTypeReference(dictionaryTypes.Item1, config, currentTsNamespace, false), BuildTsTypeReference(dictionaryTypes.Item2, config, currentTsNamespace, false)));
}
var enumerableUnderlyingType = GetEnumerableUnderlyingType(type);
if (enumerableUnderlyingType != null)
{
return(TsTypeReference.Array(BuildTsTypeReference(enumerableUnderlyingType, config, currentTsNamespace, false)));
}
if (typeFullName != null && (type.IsClass || type.IsInterface || type.IsValueType))
{
var namespaceName = GetTypescriptNamespace(type);
if (!string.IsNullOrEmpty(namespaceName))
{
var derivedTypesUnionName = returnTheMainTypeEvenIfItHasADerivedTypesUnion ? null : GetDerivedTypesUnionName(type);
var typeName = TypeUtils.GetNameWithoutGenericArity(type);
var prefix = "";
var suffix = "";
if (type.IsEnum && config.WrapConstEnumsInTemplateStrings)
{
prefix = "`${";
suffix = "}`";
}
var result = default(TsTypeReference);
if (namespaceName == currentTsNamespace)
{
result = TsTypeReference.Simple(prefix + (derivedTypesUnionName ?? typeName) + suffix, isOptional);
}
else
{
result = TsTypeReference.Simple(prefix + namespaceName + "." + (derivedTypesUnionName ?? typeName) + suffix, isOptional);
}
if (result != null)
{
if (type.GenericTypeArguments.Length > 0)
{
var typeArgs = type.GenericTypeArguments.Select(t => BuildTsTypeReference(t, config, currentTsNamespace, false));
result = TsTypeReference.Generic(result, typeArgs);
}
return(result);
}
}
}
return(TsTypeReference.Simple("unknown", isOptional));
}
