public T GetParameter <T>(string parameter) => parameters.ContainsKey(parameter)
? (T)parameters[parameter].BindTo(typeof(T)) !
: throw new ArgumentException("Missing argument on GraphQL query").AddGraphQlError(WellKnownErrorCodes.MissingArgument, EmptyArrayHelper.Empty <QueryLocation>(), new { argument = parameter });
public static System.Collections.Generic.IReadOnlyList <QueryLocation> ToQueryLocations(this Ast.Nodes.LocationRange location)
{
return(location.Start.Line == 0 && location.Start.Column == 0
? EmptyArrayHelper.Empty <QueryLocation>()
: new[] { new QueryLocation(location.Start.Line, location.Start.Column) });
}
internal static IGraphQlScalarResult <TReturnType> CreateJoin(FieldContext fieldContext, LambdaExpression newFunc, IGraphQlJoin join)
{
return(new GraphQlExpressionScalarResult <TReturnType>(fieldContext, new[] { newFunc }, EmptyArrayHelper.Empty <ExpressionVisitor>(), ImmutableHashSet.Create(join)));
}
internal static IGraphQlScalarResult <TReturnType> Simple(FieldContext fieldContext, LambdaExpression newFunc)
{
return(new GraphQlExpressionScalarResult <TReturnType>(fieldContext, new[] { newFunc }, EmptyArrayHelper.Empty <ExpressionVisitor>(), ImmutableHashSet <IGraphQlJoin> .Empty));
}
internal static IGraphQlScalarResult <TReturnType> Constant(TReturnType result, FieldContext fieldContext)
{
return(new GraphQlExpressionScalarResult <TReturnType>(fieldContext, new[] { (Expression <Func <object?, TReturnType> >)(_ => result) }, EmptyArrayHelper.Empty <ExpressionVisitor>(), ImmutableHashSet <IGraphQlJoin> .Empty));
}
public GraphQlResultFactory(FieldContext fieldContext)
: base(fieldContext, new[] { identity }, EmptyArrayHelper.Empty <ExpressionVisitor>(), EmptyArrayHelper.Empty <IGraphQlJoin>())
{
}