source: TFP-WebServer/WebServer/src/WebMod.cs@ 473

using System.IO;
using Webserver.FileCache;
using Webserver.UrlHandlers;

namespace Webserver {
        public class WebMod {
                private const string modsBaseUrl = "/webmods/";
                private const string reactBundleName = "bundle.js";
                private const string stylingFileName = "styling.css";
                
                public readonly Mod ParentMod;
                /// <summary>
                /// Absolute web path to the mod web root, e.g. "/webmods/myMod/"
                /// </summary>
                public readonly string ModUrl;
                /// <summary>
                /// Absolute web path to the React bundle if the mod has one, e.g. "/webmods/myMod/bundle.js"
                /// </summary>
                public readonly string ReactBundle;
                /// <summary>
                /// Absolute web path to a CSS if the mod has one, e.g. "/webmods/myMod/styling.css"
                /// </summary>
                public readonly string CssPath;
                public readonly bool IsWebMod;

                public WebMod (Web _parentWeb, Mod _parentMod, bool _useStaticCache) {
                        ParentMod = _parentMod;

                        string folder = $"{_parentMod.Path}/WebMod";
                        IsWebMod = Directory.Exists (folder);

                        if (!IsWebMod) {
                                return;
                        }

                        ModUrl = $"{modsBaseUrl}{_parentMod.Name}/";

                        ReactBundle = $"{folder}/{reactBundleName}";
                        ReactBundle = File.Exists (ReactBundle) ? $"{ModUrl}{reactBundleName}" : null;

                        CssPath = $"{folder}/{stylingFileName}";
                        CssPath = File.Exists (CssPath) ? $"{ModUrl}{stylingFileName}" : null;

                        _parentWeb.RegisterPathHandler (ModUrl, new StaticHandler (
                                folder,
                                _useStaticCache ? new SimpleCache () : new DirectAccess (),
                                false)
                        );
                }
        }
}