wabbajack/Wabbajack.Compiler/CompilationSteps/IgnoreExtension.cs

using System.Threading.Tasks;
using Wabbajack.DTOs;
using Wabbajack.DTOs.Directives;
using Wabbajack.Paths;

namespace Wabbajack.Compiler.CompilationSteps;

public class IgnoreExtension : ACompilationStep
{
    private readonly Extension _ext;
    private readonly string _reason;

    public IgnoreExtension(ACompiler compiler, Extension ext) : base(compiler)
    {
        _ext = ext;
        _reason = $"Ignoring {_ext} files";
    }

    public override async ValueTask<Directive?> Run(RawSourceFile source)
    {
        if (source.Path.Extension != _ext)
            return null;

        var result = source.EvolveTo<IgnoredDirectly>();
        result.Reason = _reason;
        return result;
    }
}