example/app.tsx

@@ -1,3 +1,5 @@
+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";
 
@@ -34,3 +36,8 @@ export default ()=>
         </Iso.Switch>
     </div>;
 };
+
+export const CSS = {
+    presets: [TWPreTail(), TWPreAuto()],
+    hash:false
+};

example/deno.json

@@ -2,13 +2,13 @@
     "compilerOptions": {"lib": ["deno.window", "dom"]},
     "imports":
     {
-        "react": "https://esm.sh/stable/preact@10.13.2/compat",
+        "react": "https://esm.sh/preact@10.13.2/compat",
-        "preact": "https://esm.sh/stable/preact@10.13.2/",
         "@deep/": "./deep/",
         "@eno/app": "./app.tsx",
         "@eno/iso": "http://localhost:4507/lib/iso.tsx"
     },
     "tasks": {
-        "dev": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock app.tsx --dev"
+        "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'"
     }
 }

lib/iso.tsx

@@ -1,17 +1,5 @@
-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
-};
-
-if(!window.innerWidth)
-{
-    import(import.meta.resolve("../../server.tsx")).then(()=>{console.log("...imported!");});
-}
-
 type MetasInputs = { [Property in MetaKeys]?: string };
 type MetasModeArgs = {concatListed?:boolean; dropUnlisted?:boolean};
 type MetasStackItem = MetasModeArgs&MetasInputs&{id:string, depth:number}
@@ -92,6 +80,34 @@ export const Meta =
             });
         }, Object.keys(props).map( (key) => props[key as MetaKeys] ));
 
+        /*
+        React.useEffect(()=>{
+
+            metasSet((m)=>
+            {
+                const metas = {...m};
+
+                const    additive = concatListed ? (key:MetaKeys, value:string)=> metas[key] += value : (key:MetaKeys, value:string)=> metas[key] = value;
+                const subtractive = dropUnlisted ? (key:MetaKeys)=> metas[key] = "" : (key:MetaKeys)=> {};
+            
+                Object.keys(metas).forEach((key)=>{
+                    const metaKey = key as MetaKeys;
+                    const propValue = props[metaKey]||"";
+                    propValue ? additive(metaKey, propValue) : subtractive(metaKey);
+                });
+
+                Meta.Meta = metas;
+                console.log(Meta.Meta);
+
+                if(window.innerWidth)
+                {
+                    document.title = metas.title;
+                }
+
+                return metas;
+            });
+        }, [props]);
+        */
         return null;
     }
 };

server.tsx

@@ -1,429 +1,335 @@
-import * as ESBuild from 'https://deno.land/x/esbuild@v0.17.4/mod.js';
+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";
 import React from "react";
 import * as Iso from "@eno/iso";
 
-Deno.env.set("initialized", "true");
+let hosted = import.meta.resolve("./");
+const Path = {
+    Hosted:hosted.substring(0, hosted.length-1),
+    Active:`file://${Deno.cwd().replaceAll("\\", "/")}`
+};
+console.log(Path);
 
-/**
+const Transpiled = new Map();
- * Setup a transpiler.
+const Transpileable =(inFilePath:string):boolean=>
- * @param inDevMode When true, starts a file-watcher
- * @returns 
- */
-function Transpiler(inDevMode:boolean)
 {
-    const Transpiled = new Map();
+    let dotIndex = inFilePath.length-4;
-    const Transpileable =(inFilePath:string):boolean=>
+    if(inFilePath[dotIndex] !== ".")
     {
-        let dotIndex = inFilePath.length-4;
+        if(inFilePath[++dotIndex] !== ".")
-        if(inFilePath[dotIndex] !== ".")
         {
-            if(inFilePath[++dotIndex] !== ".")
+            return false;
-            {
-                return false;
-            }
         }
+    }
 
-        if(inFilePath[dotIndex+2] == "s")
+    if(inFilePath[dotIndex+2] == "s")
+    {
+        const first = inFilePath[dotIndex+1];
+        return (first == "t" || first == "j");
+    }
+
+    return false;
+};
+const Transpile =async(inCode:string, inKey:string):Promise<string>=>
+{
+    const transpile = await ESBuild.transform(inCode, { loader: "tsx", sourcemap:"inline", minify:true, sourcefile:inKey});
+
+    Transpiled.set(inKey, transpile.code);
+    return transpile.code;
+};
+type Transpiler = (inPath:string, inKey:string, inCheck?:boolean)=>Promise<string>;
+const TranspileURL:Transpiler =async(inPath, inKey, inCheck)=>
+{
+    if(inCheck)
+    {
+        const cached = Transpiled.get(inKey);
+        if(cached)
         {
-            const first = inFilePath[dotIndex+1];
+            return cached;
-            return (first == "t" || first == "j");
         }
+    }
+    let body = await fetch(inPath);
+    let text = await body.text();
+    return Transpile(text, inKey);
+};
 
-        return false;
-    };
-    const Transpile =async(inCode:string, inKey:string):Promise<string>=>
-    {
-        const transpile = await ESBuild.transform(inCode, inDevMode ? { loader: "tsx", sourcemap:"inline", minify: false, sourcefile:inKey} :
-        {  loader: "tsx",
-        minify:true,
-        jsx:"automatic",
-        jsxImportSource:"https://esm.sh/preact@10.13.2"});
 
-        Transpiled.set(inKey, transpile.code);
+const LibPath = "lib";
-        return transpile.code;
+type ImportMap = {imports?:Record<string, string>, importMap?:string};
-    };
+let ImportObject:ImportMap = {};
-    type Transpiler = (inPath:string, inKey:string, inCheck?:boolean)=>Promise<string>;
+try
-    const TranspileURL:Transpiler =async(inPath, inKey, inCheck)=>
+{
+    const confDeno = await fetch(`${Path.Active}/deno.json`);
+    const confDenoParsed:ImportMap = await confDeno.json();
+    if(confDenoParsed.importMap)
     {
-        if(inCheck)
+        try
-        {
-            const cached = Transpiled.get(inKey);
-            if(cached)
-            {
-                return cached;
-            }
-        }
-        let body = await fetch(inPath);
-        let text = await body.text();
-        return Transpile(text, inKey);
-    };
-    
-    const Sockets:Set<WebSocket> = new Set();
-    const SocketsBroadcast =(inData:string)=>{ for (const socket of Sockets){ socket.send(inData); } }
-    const SocketsHandler = inDevMode ? (_req:Request)=>
-    {
-        if(_req.headers.get("upgrade") == "websocket")
         {
+            const confImports = await Deno.readTextFile(confDenoParsed.importMap);
             try
             {
-              const { response, socket } = Deno.upgradeWebSocket(_req);
+                ImportObject = JSON.parse(confImports);
-              socket.onopen = () => Sockets.add(socket);
-              socket.onclose = () => Sockets.delete(socket);
-              socket.onmessage = (e) => {};
-              socket.onerror = (e) => console.log("Socket errored:", e);
-              return response;
             }
             catch(e)
             {
-                //
+                console.log(`"importMap" "${confDenoParsed.importMap}" contains invalid JSON`);
             }
         }
-        return false;
+        catch(e)
-    }
-    :
-    ()=>false;
-
-    const watcher =async()=>
-    {
-        const FilesChanged:Map<string, string> = new Map();
-        const ProcessFiles =debounce(async()=>
         {
-            for await (const [path, action] of FilesChanged)
+            console.log(`"importMap" "${confDenoParsed.importMap}" cannot be found`);
-            {
-                const key = path.substring(Deno.cwd().length).replaceAll("\\", "/");
-                if(action != "remove")
-                {
-                    await TranspileURL(Path.Active+key, key, false);
-                    SocketsBroadcast(key);
-                }
-                else
-                {
-                    Transpiled.delete(key);
-                }
-            }
-            FilesChanged.clear();
-        }, 1000);
-        for await (const event of Deno.watchFs(Deno.cwd()))
-        {
-            event.paths.forEach( path =>
-            {
-                if(Transpileable(path))
-                {
-                    FilesChanged.set(path, event.kind);
-                }
-            });
-            if(FilesChanged.size)
-            {
-                ProcessFiles();
-            }
         }
     }
-
+    else if(confDenoParsed.imports)
-    if(inDevMode)
     {
-        watcher().then(()=>{console.log("done watching");});
+        ImportObject = {imports:confDenoParsed.imports};
     }
 
-    return {TranspileURL, Transpileable, SocketsHandler};
+    if(ImportObject.imports)
-
-}
-
-/**
- * Extract all configuration info form a project's deno.jsonc file
- * @param inDevMode When true, proxies react to an HMR-enabled version
- * @param inLibPath 
- * @returns 
- */
-async function Configure(inDevMode:boolean, inLibPath:string)
-{
-    type ImportMap = {imports?:Record<string, string>, importMap?:string};
-    const output:{Imports?:ImportMap, App?:React.FunctionComponent, TwindInst?:Twind.Twind, Error?:string} = {};
-    let ImportObject:ImportMap = {};
-    try
     {
-        const confDeno = await fetch(`${Path.Active}/deno.jsonc`);
+        const importReact = ImportObject.imports["react"];
-        const confText = await confDeno.text();
+        if(importReact)
-        const confDenoParsed = JSONC(confText) as ImportMap;
-        if(confDenoParsed.importMap)
         {
-            try
+            ImportObject.imports["react-original"] = importReact;
-            {
+            ImportObject.imports["react"] = `/${LibPath}/react.tsx`;
-                const confImports = await Deno.readTextFile(confDenoParsed.importMap);
-                try
-                {
-                    output.Imports = JSON.parse(confImports);
-                }
-                catch(e)
-                {
-                    output.Error = `"importMap" "${confDenoParsed.importMap}" contains invalid JSON`;
-                    return output;
-                }
-            }
-            catch(e)
-            {
-                output.Error = `"importMap" "${confDenoParsed.importMap}" cannot be found`;
-                return output;
-            }
-        }
-        else if(confDenoParsed.imports)
-        {
-            output.Imports  = {imports:confDenoParsed.imports};
-        }
-    
-        if(output.Imports?.imports)
-        {
-            if(inDevMode)
-            {
-                const importReact = output.Imports.imports["react"];
-                if(importReact)
-                {
-                    output.Imports.imports["react-original"] = importReact;
-                    output.Imports.imports["react"] = `/${inLibPath}/react.tsx`;
-                }
-                else
-                {
-                    output.Error = `"imports" configuration does not alias "react"`;
-                    return output;
-                }
-            }
-    
-            const importIso = output.Imports.imports["@eno/iso"];
-            if(importIso)
-            {
-                output.Imports.imports["@eno/iso"] = `/${inLibPath}/iso.tsx`;
-            }
-            else
-            {
-                output.Error = `"imports" configuration does not alias "@eno/iso"`;
-                return output;
-            }
-    
-            const importApp = output.Imports.imports["@eno/app"];
-            if(importApp)
-            {
-                let appImport 
-                try
-                {
-                    appImport = await import(Path.Active+importApp);
-                }
-                catch(e)
-                {
-                    output.Error = `"@eno/app" entry-point (${importApp}) file not found`;
-                    return output;
-                }
-                
-                if(typeof appImport.default == "function" )
-                {
-                    output.App = appImport.default;
-                }
-                else
-                {
-                    output.Error = `"@eno/app" entry-point (${importApp}) needs to export a default function to use as the app root.`;
-                    return output;
-                }
-    
-                let twindConfig = Iso.CSS;
-                if(typeof appImport.CSS == "object")
-                {
-                    twindConfig = {...twindConfig, ...appImport.CSS};
-                }
-                try
-                {
-                    // @ts-ignore
-                    output.TwindInst = Twind.install(twindConfig);
-                }
-                catch(e)
-                {
-                    output.Error = `CSS configuration is malformed`;
-                    return output;
-                }
-            }
-            else
-            {
-                output.Error = `"imports" configuration does not alias an entry-point file as "@eno/app"`;
-                return output;
-            }
-            
-    
-            Object.entries(output.Imports.imports).forEach(([key, value])=>{
-                if(value.startsWith("./") && output.Imports?.imports)
-                {
-                    output.Imports.imports[key] = value.substring(1);
-                }
-            })
         }
         else
         {
-            output.Error = `No "imports" found in configuration`;
+            console.log(`"imports" configuration does not alias "react"`);
-            return output;
         }
+
+        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)
+        {
+            ImportObject.imports["@eno/iso"] = `/${LibPath}/iso.tsx`;
+        }
+        else
+        {
+
+        }
+        Object.entries(ImportObject.imports).forEach(([key, value])=>{
+            if(value.startsWith("./") && ImportObject.imports)
+            {
+                ImportObject.imports[key] = value.substring(1);
+            }
+        })
     }
-    catch(e)
+    else
     {
-        output.Error = `error during configuration: ${e}`;
+        console.log(`No "imports" found in configuration`);
-        return output;
     }
-    return output;
+}
+catch(e)
+{
+    console.log(`deno.json not found`);
 }
 
-const Flags:Record<string, string|boolean> = {};
+
-Deno.args.forEach(arg=>
+Deno.serve({ port: Deno.args[0]||3000 }, async(_req:Request) =>
 {
-    if(arg.startsWith("--"))
+    const url:URL = new URL(_req.url);
+    const pathParts = url.pathname.substring(1, url.pathname.endsWith("/") ? url.pathname.length-1 : url.pathname.length).split("/");
+    const pathLast = pathParts.at(-1);
+    const pathExt:string|undefined = pathLast?.split(".")[1];
+
+    console.log(pathParts, pathLast, pathExt);
+
+    console.log(`Request for "${url.pathname}"...`);    
+
+    if(_req.headers.get("upgrade") == "websocket")
     {
-        const kvp = arg.substring(2).split("=");
-        Flags[kvp[0]] = kvp[1] ? kvp[1] : true; 
-    }
-});
-
-let DevMode = Flags.dev ? true : false;
-let hosted = import.meta.resolve("./");
-const Path = {
-    Hosted: hosted.substring(0, hosted.length-1),
-    Active: `file://${Deno.cwd().replaceAll("\\", "/")}`,
-    LibDir: "lib"
-};
-console.log(Path);
-console.log(`Dev Mode: ${DevMode}`);
-console.log(`Args seen: `, Flags);
-
-const {Transpileable, TranspileURL, SocketsHandler} = Transpiler(DevMode);
-const {Imports, App, TwindInst, Error} = await Configure(DevMode, Path.LibDir);
-if(Error)
-{
-    console.log(Error);
-}
-else if(App && TwindInst)
-{
-    Deno.serve({ port: Flags?.port||3000 }, async(_req:Request) =>
-    {
-        const url:URL = new URL(_req.url);
-        const pathParts = url.pathname.substring(1, url.pathname.endsWith("/") ? url.pathname.length-1 : url.pathname.length).split("/");
-        const pathLast = pathParts.at(-1);
-        const pathExt:string|undefined = pathLast?.split(".")[1];
-        
-        const resp = SocketsHandler(_req);
-        if(resp){ return resp; }
-    
         try
         {
-            // serve index by default
+          const { response, socket } = Deno.upgradeWebSocket(_req);
-            let type = `text/html`;
+          socket.onopen = () =>
-            let body:BodyInit = ``;
+          {
+              Sockets.add(socket);
+              console.log("Overwatch: Socket created");
+          };
+          socket.onclose = () =>
+          {
+              Sockets.delete(socket);
+              console.log("Overwatch: Socket deleted");
+          };
+          socket.onmessage = (e) => {};
+          socket.onerror = (e) => console.log("Overwatch: Socket errored:", e);
+          return response;
+        }
+        catch(e)
+        {
+            //
+        }
+    }
 
-            const isLib = url.pathname.startsWith(`/${Path.LibDir}/`);
+    try
-    
-            if(Transpileable(url.pathname))
-            {
-                type = `application/javascript`;
-                if(isLib)
-                {
-                    body = await TranspileURL(Path.Hosted+url.pathname, url.pathname, true);
-                }
-                else if(DevMode && !url.searchParams.get("reload"))
-                {
-                    const imp = await import(Path.Active+url.pathname);
-                    const members = [];
-                    for( const key in imp ) { members.push(key); }
-                    body =
-    `
-    import {FileListen} from "/${Path.LibDir}/hmr.tsx";
-    import * as Import from "${url.pathname}?reload=0";
-    ${ members.map(m=>`let proxy_${m} = Import.${m};
-    export { proxy_${m} as ${m} };
-    `).join(" ") }
-    const reloadHandler = (updatedModule)=>
     {
-        ${ members.map(m=>`proxy_${m} = updatedModule.${m};`).join("\n") }
+        // serve index by default
-    };
+        let type = `text/html`;
-    FileListen("${url.pathname}", reloadHandler);`;
+        let body:BodyInit = ``;
 
-                }
+        const isLib = url.pathname.startsWith(`/${LibPath}/`);
-                else
+
-                {
+        if(Transpileable(url.pathname))
-                    body = await TranspileURL(Path.Active+url.pathname, url.pathname, true);
+        {
-                }
+            type = `application/javascript`;
-            }
+            if(isLib)
-            // serve static media
-            else if( pathExt )
             {
-                type = MIME.typeByExtension(pathExt) || "text/html";
+                body = await TranspileURL(Path.Hosted+url.pathname, url.pathname, true);
-                const _fetch = await fetch((Path.Active)+url.pathname);
+            }
-                body = await _fetch.text();
+            else if(!url.searchParams.get("reload"))
+            {
+                const imp = await import(Path.Active+url.pathname);
+                const members = [];
+                for( const key in imp ) { members.push(key); }
+                body =
+`
+import {FileListen} from "/${LibPath}/hmr.tsx";
+import * as Import from "${url.pathname}?reload=0";
+${ members.map(m=>`let proxy_${m} = Import.${m};
+export { proxy_${m} as ${m} };
+`).join(" ") }
+const reloadHandler = (updatedModule)=>
+{
+    ${ members.map(m=>`proxy_${m} = updatedModule.${m};`).join("\n") }
+};
+FileListen("${url.pathname}", reloadHandler);`;
+
             }
             else
             {
+                body = await TranspileURL(Path.Active+url.pathname, url.pathname, true);
+            }
+        }
+        // serve static media
+        else if( pathExt )
+        {
+            type = MIME.typeByExtension(pathExt) || "text/html";
+            const _fetch = await fetch((isLib ? Path.Hosted : Path.Active)+url.pathname);
+            body = await _fetch.text();
+        }
+        else
+        {
+            Iso.Fetch.ServerBlocking = [];
+            Iso.Fetch.ServerTouched = new Set();
+            Iso.Fetch.ServerRemove = new Set();
+            let app = <Iso.Router.Provider url={url}><Iso.Meta.Provider><App/></Iso.Meta.Provider></Iso.Router.Provider>;
+            await Prepass(app)
+            let bake = SSR(app);
+            while(Iso.Fetch.ServerBlocking.length)
+            {
+                await Promise.all(Iso.Fetch.ServerBlocking);
                 Iso.Fetch.ServerBlocking = [];
-                Iso.Fetch.ServerTouched = new Set();
+                // at this point, anything that was requested that was not cached, has now been loaded and cached
-                Iso.Fetch.ServerRemove = new Set();
+                // this next render will use cached resources. using a cached resource (if its "Seed" is true) adds it to the "touched" set.
-                let app = <Iso.Router.Provider url={url}><App/></Iso.Router.Provider>;
+                app = <Iso.Router.Provider url={url}><Iso.Meta.Provider><App/></Iso.Meta.Provider></Iso.Router.Provider>;
                 await Prepass(app)
-                let bake = SSR(app);
+                bake = SSR(app);
-                while(Iso.Fetch.ServerBlocking.length)
-                {
-                    await Promise.all(Iso.Fetch.ServerBlocking);
-                    Iso.Fetch.ServerBlocking = [];
-                    // at this point, anything that was requested that was not cached, has now been loaded and cached
-                    // this next render will use cached resources. using a cached resource (if its "Seed" is true) adds it to the "touched" set.
-                    app = <Iso.Router.Provider url={url}><App/></Iso.Router.Provider>;
-                    await Prepass(app)
-                    bake = SSR(app);
-                }
-    
-                const seed:Iso.FetchRecord[] = [];
-                Iso.Fetch.ServerTouched.forEach((record)=>{
-                    const r:Iso.FetchRecord = {...record};
-                    delete r.Promise;
-                    seed.push(r);
-                });
-                Iso.Fetch.ServerTouched = false;
-    
-                const results = Twind.extract(bake, TwindInst);
-    
-                type = `text/html`;
-                body =
-    `<!doctype html>
-    <html lang="en">
-        <head>
-            <title>${Iso.Meta.Meta.title}</title>
-            <meta name="viewport" content="width=device-width, initial-scale=1.0">
-            <meta charset="utf-8"/>
-            <style data-twind>${results.css}</style>
-            <script type="importmap">${JSON.stringify(Imports)}</script>
-        </head>
-        <body>
-            <div id="app">${results.html}</div>
-            <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 * as App from "@eno/app";
-                import {Router, Fetch, CSS, Meta} from "@eno/iso";
-                Twind.install(App.CSS ? {...CSS, ...App.CSS} : CSS);
-                Fetch.Seed(${JSON.stringify(seed)});
-                const hmrWrap = H( ()=>H(App.default) );
-                hydrate(
-                    H(Router.Provider, null,
-                        H(Meta.Provider, null, hmrWrap)
-                    ),
-                    document.querySelector("#app")
-                );
-            </script>
-        </body>
-    </html>`;
             }
 
-            return new Response(body, {headers:{"content-type":type as string, "Access-Control-Allow-Origin":"*", charset:"utf-8"}});
+            const seed:Iso.FetchRecord[] = [];
+            Iso.Fetch.ServerTouched.forEach((record)=>{
+                const r:Iso.FetchRecord = {...record};
+                delete r.Promise;
+                seed.push(r);
+            });
+            Iso.Fetch.ServerTouched = false;
+
+            const results = Twind.extract(bake, TwindInst);
+
+            type = `text/html`;
+            body =
+`<!doctype html>
+<html lang="en">
+    <head>
+        <title>${Iso.Meta.Meta.title}</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <meta charset="utf-8"/>
+        <style data-twind>${results.css}</style>
+        <script type="importmap">${JSON.stringify(ImportObject)}</script>
+    </head>
+    <body>
+        <div id="app">${results.html}</div>
+        <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 {Router, Fetch, Meta} from "@eno/iso";
+            Twind.install(CSS);
+            Fetch.Seed(${JSON.stringify(seed)});
+            const hmrWrap = H( ()=>H(App) );
+            hydrate(
+                H(Router.Provider, null,
+                    H(Meta.Provider, null, hmrWrap)
+                ),
+                document.querySelector("#app")
+            );
+        </script>
+    </body>
+</html>`;
         }
-        catch(error)
+
+        return new Response(body, {headers:{"content-type":type as string, "Access-Control-Allow-Origin":"*", charset:"utf-8"}});
+    }
+    catch(error)
+    {
+        console.log(error);
+        return new Response(error, {status:404});
+    }
+});
+
+import App, {CSS} from "@eno/app";
+const TwindInst = Twind.install(CSS);
+
+const Sockets:Set<WebSocket> = new Set();
+const SocketsBroadcast =(inData:string)=>{ for (const socket of Sockets){ socket.send(inData); } }
+
+const FilesChanged:Map<string, string> = new Map();
+const ProcessFiles =debounce(async()=>
+{
+    console.log("Processing Files...", FilesChanged);
+    for await (const [path, action] of FilesChanged)
+    {
+        const key = path.substring(Deno.cwd().length).replaceAll("\\", "/");
+        console.log(key, action);
+
+        if(action != "remove")
         {
-            console.log(error);
+            await TranspileURL(Path.Active+key, key, false);
-            return new Response(error, {status:404});
+            console.log(`  ...cached "${key}"`);
+            SocketsBroadcast(key);
+        }
+        else
+        {
+            Transpiled.delete(key);
+        }
+    }
+    FilesChanged.clear();
+}, 1000);
+for await (const event of Deno.watchFs(Deno.cwd()))
+{
+    event.paths.forEach( path =>
+    {
+        if(Transpileable(path))
+        {
+            FilesChanged.set(path, event.kind);
         }
     });
+    if(FilesChanged.size)
+    {
+        ProcessFiles();
+    }
 }