example/app.tsx

@@ -1,5 +1,3 @@
-import TWPreTail from "https://esm.sh/v115/@twind/preset-tailwind@1.1.4/es2022/preset-tailwind.mjs";
-import TWPreAuto from "https://esm.sh/v115/@twind/preset-autoprefix@1.0.7/es2022/preset-autoprefix.mjs";
 import React from "react";
 import * as Iso from "@eno/iso";
 
@@ -30,9 +28,4 @@ export default ()=>
             <Iso.Case default><p>404!</p></Iso.Case>
         </Iso.Switch>
     </div>;
-};
+};
-
-export const CSS = {
-    presets: [TWPreTail(), TWPreAuto()],
-    hash:false
-};

example/deno.jsonc

@@ -9,6 +9,6 @@
     },
     "tasks": {
         "host": "deno run -A --unstable https://deno.land/std@0.181.0/http/file_server.ts",
-        "dev": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock --config=deno.json 'http://localhost:4507/server.tsx?reload=1'"
+        "dev": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock --config=deno.jsonc 'http://localhost:4507/server.tsx?reload=1'"
     }
 }

lib/iso.tsx

@@ -1,5 +1,13 @@
+import TWPreTail from "https://esm.sh/v115/@twind/preset-tailwind@1.1.4/es2022/preset-tailwind.mjs";
+import TWPreAuto from "https://esm.sh/v115/@twind/preset-autoprefix@1.0.7/es2022/preset-autoprefix.mjs";
 import React from "react";
 
+export const CSS = {
+    presets: [TWPreTail(), TWPreAuto()],
+    hash:false
+};
+
+
 type Meta = {title:string, description:string, keywords:string, image:string, canonical:string }
 type MetaKeys = keyof Meta;
 export const Meta:Meta = {

server.tsx

@@ -1,6 +1,7 @@
 import * as ESBuild from 'https://deno.land/x/esbuild@v0.14.45/mod.js';
 import * as MIME from "https://deno.land/std@0.180.0/media_types/mod.ts";
 import { debounce } from "https://deno.land/std@0.151.0/async/debounce.ts";
+import { parse as JSONC} from "https://deno.land/std@0.185.0/jsonc/mod.ts";
 import SSR from "https://esm.sh/v113/preact-render-to-string@6.0.2";
 import Prepass from "https://esm.sh/preact-ssr-prepass@1.2.0";
 import * as Twind from "https://esm.sh/@twind/core@1.1.3";
@@ -60,11 +61,13 @@ const TranspileURL:Transpiler =async(inPath, inKey, inCheck)=>
 
 const LibPath = "lib";
 type ImportMap = {imports?:Record<string, string>, importMap?:string};
+let App, TwindInst;
 let ImportObject:ImportMap = {};
 try
 {
-    const confDeno = await fetch(`${Path.Active}/deno.json`);
+    const confDeno = await fetch(`${Path.Active}/deno.jsonc`);
-    const confDenoParsed:ImportMap = await confDeno.json();
+    const confText = await confDeno.text();
+    const confDenoParsed = JSONC(confText) as ImportMap;
     if(confDenoParsed.importMap)
     {
         try
@@ -102,16 +105,6 @@ try
             console.log(`"imports" configuration does not alias "react"`);
         }
 
-        const importApp = ImportObject.imports["@eno/app"];
-        if(importApp)
-        {
-            
-        }
-        else
-        {
-            console.log(`"imports" configuration does not alias an entry-point component with "@eno/app"`);
-        }
-        
         const importIso = ImportObject.imports["@eno/iso"];
         if(importIso)
         {
@@ -121,6 +114,52 @@ try
         {
 
         }
+
+        const importApp = ImportObject.imports["@eno/app"];
+        if(importApp)
+        {
+            let appImport 
+            try
+            {
+                appImport = await import(Path.Active+importApp);
+            }
+            catch(e)
+            {
+                console.log(`"@eno/app" entry-point (${importApp}) file not found`)
+            }
+            
+            if(typeof appImport.default == "function" )
+            {
+                App = appImport.default;
+            }
+            else
+            {
+                console.log(`"@eno/app" entry-point (${importApp}) needs to export a default function to use as the app root.`)
+            }
+
+            let twindConfig = Iso.CSS;
+            if(typeof appImport.CSS == "object")
+            {
+                twindConfig = {...twindConfig, ...appImport.CSS};
+            }
+            try
+            {
+                // @ts-ignore
+                TwindInst = Twind.install(twindConfig);
+            }
+            catch(e)
+            {
+                console.log(`CSS configuration is malformed`);
+            }
+
+            
+        }
+        else
+        {
+            console.log(`"imports" configuration does not alias an entry-point file as "@eno/app"`);
+        }
+        
+
         Object.entries(ImportObject.imports).forEach(([key, value])=>{
             if(value.startsWith("./") && ImportObject.imports)
             {
@@ -135,7 +174,7 @@ try
 }
 catch(e)
 {
-    console.log(`deno.json not found`);
+    console.log(`error during configuration: ${e}`);
 }
 
 
@@ -266,11 +305,11 @@ FileListen("${url.pathname}", reloadHandler);`;
         <script type="module">
             import {hydrate, createElement as H} from "react";
             import * as Twind from "https://esm.sh/v115/@twind/core@1.1.3/es2022/core.mjs";
-            import {default as App, CSS} from "@eno/app";
+            import * as App from "@eno/app";
-            import {Router, Fetch} from "@eno/iso";
+            import {Router, Fetch, CSS} from "@eno/iso";
-            Twind.install(CSS);
+            Twind.install(App.CSS ? {...CSS, ...App.CSS} : CSS);
             Fetch.Seed(${JSON.stringify(seed)});
-            const hmrWrap = H( ()=>H(App) );
+            const hmrWrap = H( ()=>H(App.default) );
             hydrate( H(Router.Provider, null, hmrWrap), document.querySelector("#app"));
         </script>
     </body>
@@ -286,9 +325,6 @@ FileListen("${url.pathname}", reloadHandler);`;
     }
 });
 
-import App, {CSS} from "@eno/app";
-const TwindInst = Twind.install(CSS);
-
 const Sockets:Set<WebSocket> = new Set();
 const SocketsBroadcast =(inData:string)=>{ for (const socket of Sockets){ socket.send(inData); } }