/// <summary>
/// Returns a <see cref="FieldType"/> for the specified AST <see cref="Field"/> within a specified parent
/// output graph type within a given schema. For meta-fields, returns the proper meta-field field type.
/// </summary>
public static FieldType GetFieldDefinition(ISchema schema, IObjectGraphType parentType, Field field)
{
if (field.Name == schema.SchemaMetaFieldType.Name && schema.Query == parentType)
{
return(schema.SchemaMetaFieldType);
}
if (field.Name == schema.TypeMetaFieldType.Name && schema.Query == parentType)
{
return(schema.TypeMetaFieldType);
}
if (field.Name == schema.TypeNameMetaFieldType.Name)
{
return(schema.TypeNameMetaFieldType);
}
if (parentType == null)
{
throw new ArgumentNullException(nameof(parentType), $"Schema is not configured correctly to fetch field '{field.Name}'. Are you missing a root type?");
}
return(parentType.GetField(field.Name));
}
public static FieldType GetFieldDefinition(Document document, ISchema schema, IObjectGraphType parentType, Field field)
{
if (field.Name == SchemaIntrospection.SchemaMeta.Name && schema.Query == parentType)
{
return(SchemaIntrospection.SchemaMeta);
}
if (field.Name == SchemaIntrospection.TypeMeta.Name && schema.Query == parentType)
{
return(SchemaIntrospection.TypeMeta);
}
if (field.Name == SchemaIntrospection.TypeNameMeta.Name)
{
return(SchemaIntrospection.TypeNameMeta);
}
if (parentType == null)
{
var error = new ExecutionError($"Schema is not configured correctly to fetch {field.Name}. Are you missing a root type?");
error.AddLocation(field, document);
throw error;
}
return(parentType.GetField(field.Name));
}
