public static PureFieldDelegate Compile(
IReadOnlyList <ResultConverterDefinition> resultConverters,
PureFieldDelegate fieldResolver,
bool skipMiddleware)
=> skipMiddleware || resultConverters.Count == 0
? fieldResolver
: CompileResultConverters(resultConverters, fieldResolver);
private static PureFieldDelegate CreatePureConverterMiddleware(
ResultConverterDelegate convert,
PureFieldDelegate next)
=> c =>
{
var result = next(c);
return(convert(c, result));
};
private static PureFieldDelegate CompileResultConverters(
IReadOnlyList <ResultConverterDefinition> components,
PureFieldDelegate first)
{
PureFieldDelegate next = first;
for (var i = components.Count - 1; i >= 0; i--)
{
next = CreatePureConverterMiddleware(components[i].Converter, next);
}
return(next);
}