fix meta-merging logic

oops :(

.vscode/launch.json

@@ -0,0 +1,23 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "request": "launch",
+            "name": "Launch Program",
+            "type": "node",
+            "program": "${workspaceFolder}/server.tsx",
+            "cwd": "${workspaceFolder}",
+            "runtimeExecutable": "deno.exe",
+            "runtimeArgs": [
+                "run",
+                "--unstable",
+                "--inspect-wait",
+                "--allow-all"
+            ],
+            "attachSimplePort": 9229
+        }
+    ]
+}

deno.jsonc

@@ -6,13 +6,13 @@
         "react": "https://esm.sh/preact@10.13.2/compat",
         
         "react-original": "https://esm.sh/preact@10.13.2/compat",
-        "@eno/app": "./example/app.tsx"
+        "@eno/app": "./example/app.tsx",
+        "@eno/iso": "./lib/iso.tsx"
     },
     "tasks":
     {
         "install": "deno install -f -A --unstable --no-lock -n eno server.tsx",
-        "run": "deno run -A --unstable --no-lock server.tsx",
-        "complete": "deno run -A --unstable https://deno.land/std@0.181.0/http/file_server.ts & cd example && pwd && deno task dev",
-        "host": "deno run -A --unstable https://deno.land/std@0.181.0/http/file_server.ts"
+        "host": "deno run -A --unstable https://deno.land/std@0.181.0/http/file_server.ts",
+        "example": "cd example && pwd && deno task dev"
     }
 }

deno.lock

@@ -0,0 +1,52 @@
+{
+  "version": "2",
+  "remote": {
+    "https://deno.land/std@0.151.0/async/debounce.ts": "564273ef242bcfcda19a439132f940db8694173abffc159ea34f07d18fc42620",
+    "https://deno.land/std@0.180.0/media_types/_db.ts": "7606d83e31f23ce1a7968cbaee852810c2cf477903a095696cdc62eaab7ce570",
+    "https://deno.land/std@0.180.0/media_types/_util.ts": "916efbd30b6148a716f110e67a4db29d6949bf4048997b754415dd7e42c52378",
+    "https://deno.land/std@0.180.0/media_types/content_type.ts": "c682589a0aeb016bfed355cc1ed6fbb3ead2ea48fc0000ac5de6a5730613ad1c",
+    "https://deno.land/std@0.180.0/media_types/extension.ts": "7a4ef2813d7182f724a941f38161525996e4a67abc3cf6a0f9bc2168d73a0f0e",
+    "https://deno.land/std@0.180.0/media_types/extensions_by_type.ts": "4358023feac696e6e9d49c0f1e76a859f03ca254df57812f31f8536890c3a443",
+    "https://deno.land/std@0.180.0/media_types/format_media_type.ts": "1e35e16562e5c417401ffc388a9f8f421f97f0ee06259cbe990c51bae4e6c7a8",
+    "https://deno.land/std@0.180.0/media_types/get_charset.ts": "8be15a1fd31a545736b91ace56d0e4c66ea0d7b3fdc5c90760e8202e7b4b1fad",
+    "https://deno.land/std@0.180.0/media_types/mod.ts": "d3f0b99f85053bc0b98ecc24eaa3546dfa09b856dc0bbaf60d8956d2cdd710c8",
+    "https://deno.land/std@0.180.0/media_types/parse_media_type.ts": "bed260d868ea271445ae41d748e7afed9b5a7f407d2777ead08cecf73e9278de",
+    "https://deno.land/std@0.180.0/media_types/type_by_extension.ts": "6076a7fc63181d70f92ec582fdea2c927eb2cfc7f9c9bee9d6add2aca86f2355",
+    "https://deno.land/std@0.180.0/media_types/vendor/mime-db.v1.52.0.ts": "6925bbcae81ca37241e3f55908d0505724358cda3384eaea707773b2c7e99586",
+    "https://deno.land/std@0.185.0/_util/asserts.ts": "178dfc49a464aee693a7e285567b3d0b555dc805ff490505a8aae34f9cfb1462",
+    "https://deno.land/std@0.185.0/json/common.ts": "ecd5e87d45b5f0df33238ed8b1746e1444da7f5c86ae53d0f0b04280f41a25bb",
+    "https://deno.land/std@0.185.0/jsonc/mod.ts": "b88dce28eb3645667caa856538ae2fe87af51410822544a0b45a4177ef3bd7dd",
+    "https://deno.land/std@0.185.0/jsonc/parse.ts": "2910e33bc7c3b243e3b6f3a39ce4d6ca84337b277a8df6f2ad2d9e4adbcddc08",
+    "https://deno.land/x/denoflate@1.2.1/mod.ts": "f5628e44b80b3d80ed525afa2ba0f12408e3849db817d47a883b801f9ce69dd6",
+    "https://deno.land/x/denoflate@1.2.1/pkg/denoflate.js": "b9f9ad9457d3f12f28b1fb35c555f57443427f74decb403113d67364e4f2caf4",
+    "https://deno.land/x/denoflate@1.2.1/pkg/denoflate_bg.wasm.js": "d581956245407a2115a3d7e8d85a9641c032940a8e810acbd59ca86afd34d44d",
+    "https://deno.land/x/esbuild@v0.17.4/mod.d.ts": "dc279a3a46f084484453e617c0cabcd5b8bd1920c0e562e4ea02dfc828c8f968",
+    "https://deno.land/x/esbuild@v0.17.4/mod.js": "28f92694d79c8ef313e7ead7bb0e915551a805c3ad14dd2af24bbb0872e38c0d",
+    "https://esm.sh/@twind/core@1.1.3": "022193fe0f683445f35b232bf4a105d2c2aa48cc035332b4939d4f795c7ed48f",
+    "https://esm.sh/preact-ssr-prepass@1.2.0": "2ad461cd2ebd0ccb3b0345102e51f94923084f089b85805da5ca97d0b8db77d2",
+    "https://esm.sh/preact@10.13.2/compat": "1cf68e0c8c6c84b60d42f30665403b67229c16ff5206824709b19df60ba9cdc3",
+    "https://esm.sh/stable/preact@10.13.2/deno/compat.js": "3151a948abd84aa75dfc9e57733da7e1a45fff7a25de58c7b6025b923874b508",
+    "https://esm.sh/stable/preact@10.13.2/deno/hooks.js": "c7a8e703bcbc6a05949f329b618c33d5d1ea5fee113ddcea44ff0f527af8556f",
+    "https://esm.sh/stable/preact@10.13.2/deno/preact.mjs": "365fab897381f4f403f859c5d12939084560545567108cc90dae901bbe892578",
+    "https://esm.sh/v113/preact-render-to-string@6.0.2": "9e27e8724b3e53ba3d006146efa7ac0d6764672e4cd7a2fb5738412526c2b16d",
+    "https://esm.sh/v113/preact-render-to-string@6.0.2/deno/preact-render-to-string.mjs": "09ead691b3745189a4171a6ee0948592c7a862b1bf1a97fe651fb34f88eabe3b",
+    "https://esm.sh/v113/preact-render-to-string@6.0.2/src/index.d.ts": "3df00ff7e5f6dc9d2d6b944a88c2e541b098c0e559bd3a918732f3aa35acf1af",
+    "https://esm.sh/v113/preact@10.13.2/src/index.d.ts": "65398710de6aa0a07412da79784e05e6e96763f51c7c91b77344d2d0af06385c",
+    "https://esm.sh/v113/preact@10.13.2/src/jsx.d.ts": "9ac9b82c199fa7b04748807d750eba1a106c0be52041b8617416f88d6fc0a257",
+    "https://esm.sh/v115/@twind/core@1.1.3/es2022/core.mjs": "937e906c390266871215f71372af7fadf98274fb47670a7e1e8cf98e775357a8",
+    "https://esm.sh/v115/@twind/preset-autoprefix@1.0.7/es2022/preset-autoprefix.mjs": "082486172119c516f5daf83cd178175302455fab8ed550a3cb58630864f0c4e3",
+    "https://esm.sh/v115/@twind/preset-tailwind@1.1.4/es2022/preset-tailwind.mjs": "7c561cfa2c639b259c390d4412f88b2f0675431b995261f1a5ef0916f1b9b48b",
+    "https://esm.sh/v115/style-vendorizer@2.2.3/es2022/style-vendorizer.mjs": "b0f813226f7c4a30e1742087311243bbb021ef9b201e064932fce1122625b29e",
+    "https://esm.sh/v118/preact-ssr-prepass@1.2.0/deno/preact-ssr-prepass.mjs": "302a0da48c6fb2232c6f713f17957e409ec909ccb8f5a4074065eb0ca7553ee3",
+    "https://esm.sh/v118/preact-ssr-prepass@1.2.0/typings/index.d.ts": "68d54a22a76ef21fd95266ba4d8c71b3228d5e7769baf899998d5348018671c4",
+    "https://esm.sh/v118/preact@10.13.2/compat/src/index.d.ts": "d02f015638a40e32649151e011cfda7b520d66f7fbd3c12a28fa03de2a5e1421",
+    "https://esm.sh/v118/preact@10.13.2/compat/src/suspense-list.d.ts": "b8e274324392157ce476ef3a48ae215c9f7003b08525d140645f19eab20d1948",
+    "https://esm.sh/v118/preact@10.13.2/compat/src/suspense.d.ts": "81f5266e0977a94347505d11b8103024211f2b4f3b2eb2aa276a10d8fd169e65",
+    "https://esm.sh/v118/preact@10.13.2/hooks/src/index.d.ts": "5c29febb624fc25d71cb0e125848c9b711e233337a08f7eacfade38fd4c14cc3",
+    "https://esm.sh/v118/preact@10.13.2/src/index.d.ts": "65398710de6aa0a07412da79784e05e6e96763f51c7c91b77344d2d0af06385c",
+    "https://esm.sh/v118/preact@10.13.2/src/jsx.d.ts": "9ac9b82c199fa7b04748807d750eba1a106c0be52041b8617416f88d6fc0a257",
+    "https://esm.sh/v119/@twind/core@1.1.3/core.d.ts": "87836d90ff43c5bd5cbb53df7adbcad9d9515fae21f8a31d34203027b7d75d29",
+    "https://esm.sh/v119/@twind/core@1.1.3/deno/core.mjs": "9a65476bdc46aeb10894c4496fbfbc863e45ffebf43e58d6320017f847aca7b2",
+    "https://esm.sh/v119/csstype@3.1.2/index.d.ts": "4c68749a564a6facdf675416d75789ee5a557afda8960e0803cf6711fa569288"
+  }
+}

example/app.tsx

@@ -1,19 +1,66 @@
-import TWPreTail from "https://esm.sh/@twind/preset-tailwind@1.1.4";
-import TWPreAuto from "https://esm.sh/@twind/preset-autoprefix@1.0.7";
 import React from "react";
-import Component from "./deep/component.tsx";
+import * as Iso from "@eno/iso";
+
+/*
+const delay =(inMS:number)=>
+{
+    return new Promise((accept)=>
+    {
+        setTimeout(()=>
+        {
+            accept({default:()=>
+            {
+                return <h1>loooooool</h1>;
+            }});
+        }, inMS);
+    });
+}
+const LOL = React.lazy(()=>delay(3000));
+*/
+
+const Comp = React.lazy(()=>import("./deep/component.tsx"));
+
 
 export default ()=>
 {
-    const [countGet, countSet] = React.useState(1);   
-    return <div class="p-4 font-sans">
-        <h1 class="my-2 font(bold serif) text(2xl)">Title!!</h1>
-        <h2>subtitle</h2>
-        <Component/>
-    </div>;
-};
 
-export const CSS = {
-    presets: [TWPreTail(), TWPreAuto()],
-    hash:false
-};
+    const [stack] = React.useContext(Iso.Meta.Context);
+
+    return <div class="p-4 font-sans">
+        <Iso.Meta.Metas title="Main Page!" description="its great"/>
+        <nav class="p-4">
+            <a class="text-red-500" href="/">Home</a>
+            <a href="/about">About</a>
+        </nav>
+
+        <h1 class="my-2 font(bold serif) text(3xl)">Title!!</h1>
+        <h2>suspended:</h2>
+        <React.Suspense fallback={<div>Loading!</div>}>
+            <Comp/>
+        </React.Suspense>
+        <Iso.Switch>
+            <Iso.Case value="/">
+                <p>thing1</p>
+                <p>thing2</p>
+            </Iso.Case>
+            <Iso.Case value="page">
+                <Iso.Switch>
+                    <Iso.Case value="about-us">
+                        <>
+                            <Iso.Meta.Metas title="About US" concatListed=" | "/>
+                            About us!
+                        </>
+                    </Iso.Case>
+                    <Iso.Case default>sorry no page</Iso.Case>
+                </Iso.Switch>
+            </Iso.Case>
+            <Iso.Case value="lol/idk">lol/idk</Iso.Case>
+            <Iso.Case default>
+                <>
+                    <Iso.Meta.Metas description="a 404 has occurred"/>
+                    <p>404!</p>
+                </>
+            </Iso.Case>
+        </Iso.Switch>
+    </div>;
+};

example/deep/component.tsx

@@ -1,9 +1,23 @@
 import React from "react";
+import * as Iso from "@eno/iso";
 
 export default ()=>
 {
     const [countGet, countSet] = React.useState(1);   
+    const [routeGet, routeSet] = Iso.Router.Consumer();
+
+    type CatFact = {fact:string, length:number}|undefined;
+    const [Data, Updating] = Iso.Fetch.Use(`https://catfact.ninja/fact`);
+
+
+    console.log("component.tsx render!!")
+
     return <div class="p-4 text-red-500">
-        Component!!!
+        <Iso.Meta.Metas title="Component!" description="components can set metas"/>
+        Component Route is: {routeGet.Path.toString()}
+        <button className="p-4 bg-green-500 text-white" onClick={e=>{countSet(countGet+1); routeSet(["lol", "idk"], {count:countGet+1});}}>{countGet}</button>
+        <a href="/page/about-us" className="p-2 text(lg blue-500) font-bold">a link</a>
+        <p>Data:{Data && (Data as CatFact)?.fact}</p>
+        <p>Status:{Updating?'loading':'done'}</p>
     </div>;
 };

example/deno.json

@@ -1,11 +0,0 @@
-{
-    "imports":
-    {
-        "react": "https://esm.sh/preact@10.13.2/compat",
-        "@deep/": "./deep/",
-        "@eno/app": "./app.tsx"
-    },
-    "tasks": {
-        "dev": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock --config=deno.json http://localhost:4507/server.tsx"
-    }
-}

example/deno.jsonc

@@ -0,0 +1,13 @@
+{
+    "compilerOptions": {"lib": ["deno.window", "dom"]},
+    "imports":
+    {
+        "react": "https://esm.sh/stable/preact@10.13.2/compat",
+        "@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",
+        "run": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock app.tsx"
+    }
+}

lib/hmr.tsx

@@ -1,7 +1,8 @@
 
 let reloads = 0;
 const listeners = new Map() as Map<string, Array<(module:unknown)=>void>>;
-new WebSocket("ws://"+document.location.host).addEventListener('message', (event) =>
+const socket:WebSocket = new WebSocket("ws://"+document.location.host);
+socket.addEventListener('message', (event) =>
 {
     let handlers = listeners.get(event.data)??[];
     reloads++;
@@ -13,6 +14,7 @@ new WebSocket("ws://"+document.location.host).addEventListener('message', (event
         })
     ).then(()=>HMR.update());
 });
+const socketTimer = setInterval(()=>{socket.send("ping")}, 1000);
 
 export const FileListen =(inPath:string, inHandler:()=>void)=>
 {

lib/iso.tsx

@@ -0,0 +1,409 @@
+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, { JSX } from "react";
+
+export const CSS = {
+    presets: [TWPreTail(), TWPreAuto()],
+    hash:false
+};
+
+if(!window.innerWidth && !Deno.mainModule.endsWith("server.tsx"))
+{
+    import(import.meta.resolve("../../server.tsx")).then(()=>{console.log("...imported!");});
+}
+
+type MetasInputs = { [Property in MetaKeys]?: string };
+type MetasModeArgs = {concatListed?:string; dropUnlisted?:boolean};
+type MetasStackItem = MetasModeArgs&MetasInputs&{id:string, depth:number}
+type Meta = {title:string, description:string, keywords:string, image:string, canonical:string }
+type MetaKeys = keyof Meta;
+
+export const Meta =
+{
+    Stack:[] as MetasStackItem[],
+    Meta: {
+        title:"",
+        description:"",
+        keywords:"",
+        image:"",
+        canonical:""
+    } as Meta,
+    ComputeFinal(inStack:MetasStackItem[], inStart=0)
+    {
+        const seed = {
+            title:"",
+            description:"",
+            keywords:"",
+            image:"",
+            canonical:""
+        };
+        if(inStack.length>0)
+        {
+            let final = {...seed, ...inStack[0]};
+            for(let i=inStart+1; i<inStack.length; i++)
+            {
+                const curr = inStack[i];
+                Object.keys(seed).forEach(key=>
+                {
+                    const lookup = key as MetaKeys
+                    const valPrev = final[lookup];
+                    const valCurr = curr[lookup];
+
+                    if(valPrev && !valCurr)
+                    {
+                        final[lookup] = curr.dropUnlisted ? "" : valPrev;
+                    }
+                    else if(valPrev && valCurr)
+                    {
+                        final[lookup] = curr.concatListed ? valPrev + curr.concatListed + valCurr : valCurr
+                    }
+                    else
+                    {
+                        final[lookup] = valCurr||"";
+                    }
+                });
+            }
+            return final;
+        }
+        else
+        {
+            return seed;
+        }
+    },
+    Context: React.createContext([[], ()=>{}] as [Get:MetasStackItem[], Set:React.StateUpdater<MetasStackItem[]>]),
+    Provider({children}:{children:Children})
+    {
+        const binding = React.useState([] as MetasStackItem[]);
+
+        type MetaDOM = {description:NodeListOf<Element>, title:NodeListOf<Element>, image:NodeListOf<Element>, url:NodeListOf<Element>};
+
+        const refElements = React.useRef(null as null | MetaDOM);
+
+        React.useEffect(()=>
+        {
+            refElements.current = {
+                description:document.querySelectorAll(`head > meta[name$='description']`),
+                title:document.querySelectorAll(`head > meta[name$='title']`),
+                image:document.querySelectorAll(`head > meta[name$='image']`),
+                url:document.querySelectorAll(`head > link[rel='canonical']`)
+            };
+        }, []);
+
+        React.useEffect(()=>
+        {
+            if(refElements.current)
+            {
+                const final = Meta.ComputeFinal(binding[0]);
+
+                refElements.current.url.forEach(e=>e.setAttribute("content", final.canonical||""));
+                document.title = final.title;
+                refElements.current.title.forEach(e=>e.setAttribute("content", final.title||""));
+                refElements.current.image.forEach(e=>e.setAttribute("content", final.image||""));
+                refElements.current.description.forEach(e=>e.setAttribute("content", final.description||""));
+            }
+        });
+        return <Meta.Context.Provider value={binding}>{children}</Meta.Context.Provider>;
+    },
+    Metas({concatListed=undefined, dropUnlisted=false, ...props}:MetasModeArgs&MetasInputs):null
+    {
+        const id = React.useId();
+        const [, metasSet] = React.useContext(Meta.Context);
+        const {depth} = React.useContext(SwitchContext);
+
+        React.useEffect(()=>{
+            metasSet((m)=>{
+                console.log(`adding meta`, props, depth);
+                const clone = [...m];
+                let i;
+                for(i=clone.length-1; i>-1; i--)
+                {
+                    if(clone[i].depth <= depth)
+                    {
+                        break;
+                    }
+                }
+                clone.splice(i+1, 0, {id, depth, concatListed, dropUnlisted, ...props});
+                return clone;
+            });
+            return ()=>
+            {
+                metasSet((m)=>{
+                    const clone = [...m];
+                    const ind = clone.findIndex(i=>i.id === id);      
+                    if(ind > -1)
+                    {
+                        console.log(`removing meta`, props, depth);
+                        clone.splice(ind, 1);
+                    } 
+                    return clone;
+                });
+
+            };
+        }, []);
+
+        React.useEffect(()=>{
+            metasSet((m)=>{
+                const clone = [...m];
+                const ind = clone.findIndex(i=>i.id === id);      
+                if(ind > -1)
+                {
+                    console.log(`updating meta`, props, depth);
+                    clone[ind] = {...clone[ind], ...props};
+                } 
+                return clone;
+            });
+        }, Object.keys(props).map( (key) => props[key as MetaKeys] ));
+
+        if(!window.innerWidth && props.title)
+        {
+            Meta.Stack.push({id, depth, concatListed, dropUnlisted, ...props});
+        }
+
+        return null;
+    }
+};
+
+
+export type Children = string | number | React.JSX.Element | React.JSX.Element[];
+
+type RoutePath = Array<string>;
+type RouteParams = Record<string, string|number|boolean>;
+type RouteState = {URL:URL, Path:RoutePath, Params:RouteParams, Anchor:string};
+type RouteContext = [Route:RouteState, Update:(inPath?:RoutePath, inParams?:RouteParams, inAnchor?:string)=>void];
+type RouteProps = {children:Children, url?:URL };
+export const Router = {
+    Parse(url:URL):RouteState
+    {
+        const Path = url.pathname.substring(1, url.pathname.endsWith("/") ? url.pathname.length-1 : url.pathname.length).split("/");
+        const Params:RouteParams = {};
+        new URLSearchParams(url.search).forEach((k, v)=> Params[k] = v);
+        const Anchor = url.hash.substring(1);
+        return {URL:url, Path, Params, Anchor} as RouteState;
+    },
+    Context:React.createContext([{URL:new URL("https://original.route/"), Path:[], Params:{}, Anchor:""}, ()=>{}] as RouteContext),
+    Provider(props:RouteProps)
+    {
+        const [routeGet, routeSet] = React.useState(Router.Parse(props.url || new URL(document.location.href)));
+        const [dirtyGet, dirtySet] = React.useState(true);
+
+        const routeUpdate:RouteContext[1] =(inPath, inParams, inAnchor)=>
+        {
+            const clone = new URL(routeGet.URL);
+            inPath && (clone.pathname = inPath.join("/"));
+            inParams && (clone.search = new URLSearchParams(inParams as Record<string, string>).toString());
+            routeSet({
+                URL:clone,
+                Path: inPath || routeGet.Path,
+                Params: inParams || routeGet.Params,
+                Anchor: inAnchor || routeGet.Anchor
+            });
+        };
+
+        // when the state changes, update the page url
+        React.useEffect(()=> dirtyGet ? dirtySet(false) : history.pushState({...routeGet, URL:undefined}, "", routeGet.URL), [routeGet.URL.href]);
+
+        React.useEffect(()=>{
+            history.replaceState({...routeGet, URL:undefined}, "", routeGet.URL);
+            window.addEventListener("popstate", ({state})=>
+            {
+                dirtySet(true);
+                routeUpdate(state.Path, state.Params, state.Anchor);
+            });
+            document.addEventListener("click", e=>
+            {
+                const t = e.target as HTMLAnchorElement;
+                const path = e.composedPath() as HTMLAnchorElement[];
+                for(let i=0; i<path.length; i++)
+                {
+                    if(path[i].href)
+                    {
+                        const u = new URL(t.href);
+                        if(u.origin == document.location.origin)
+                        {
+                            e.preventDefault();
+                            const parts = Router.Parse(u);
+                            routeUpdate(parts.Path, parts.Params, parts.Anchor);
+                        }
+                        return;
+                    }
+                }
+            })
+        }, []);
+
+        return <Router.Context.Provider value={[routeGet, routeUpdate]}>{props.children}</Router.Context.Provider>;
+    },
+    Consumer()
+    {
+        return React.useContext(Router.Context);
+    }
+};
+
+type SwitchContext = {depth:number, keys:Record<string, string>};
+export const SwitchContext = React.createContext({depth:0, keys:{}} as SwitchContext);
+export const Switch =({children}:{children:Children})=>
+{
+    let fallback = null;
+    if(Array.isArray(children))
+    {
+        const contextSelection = React.useContext(SwitchContext);
+        const [contextRoute] = Router.Consumer();
+        const routeSegment = contextRoute.Path.slice(contextSelection.depth);
+        const checkChild =(inChild:{props:{value?:string}})=>
+        {
+            if(inChild?.props?.value)
+            {   
+                const parts = inChild.props.value.split("/");
+                if(parts.length > routeSegment.length)
+                {
+                    return false;
+                }
+    
+                const output:SwitchContext = {depth:contextSelection.depth+parts.length, keys:{}};
+                for(let i=0; i<parts.length; i++)
+                {
+                    const partRoute = routeSegment[i];
+                    const partCase = parts[i];
+                    if(partCase[0] == ":")
+                    {
+                        output.keys[partCase.substring(1)] = partRoute;
+                    }
+                    else if(partCase != "*" && partCase != partRoute)
+                    {
+                        return false;
+                    }
+                }
+                return output;
+            }
+            return false;
+        }
+
+        for(let i=0; i<children.length; i++)
+        {
+            const childCase =  children[i];
+            const childCaseChildren = childCase.props?.__args?.slice(2) || childCase.props.children;
+            const newContextValue = checkChild(childCase);
+            if(newContextValue)
+            {
+                return <SwitchContext.Provider value={newContextValue}>{childCaseChildren}</SwitchContext.Provider>
+            }
+            if(childCase?.props?.default && !fallback)
+            {
+                //console.log(routeSegment);
+                fallback = childCaseChildren;
+            }
+        } 
+    }
+
+    return fallback;
+};
+export const Case =({children, value}:{children:Children, value?:string, default?:true})=>null;
+export const useRouteVars =()=> React.useContext(SwitchContext).keys;
+
+export type FetchCachOptions = {CacheFor:number, CacheOnServer:boolean, DelaySSR:boolean, Seed:boolean};
+export type FetchRecord = {URL:string, Promise?:Promise<FetchRecord>, CachedAt:number, Error?:string, JSON?:object} & FetchCachOptions;
+type FetchGuide = [Record:FetchRecord, Init:boolean, Listen:boolean];
+export type FetchHookState = [Data:undefined|object, Updating:boolean];
+export const Fetch = {
+    Cache:new Map() as Map<string, FetchRecord>,
+    ServerBlocking:false as false|Promise<FetchRecord>[],
+    ServerTouched:false as false|Set<FetchRecord>,
+    ServerRemove:false as false|Set<FetchRecord>,
+    Seed(seed:FetchRecord[])
+    {
+        seed.forEach(r=>{
+            //r.Promise = Promise.resolve(r);
+            Fetch.Cache.set(r.URL, r)
+        });
+    },
+    DefaultOptions:{CacheFor:60, CacheOnServer:true, DelaySSR:true, Seed:true} as FetchCachOptions,
+    Request(URL:string, Init?:RequestInit|null, CacheFor:number = 60, CacheOnServer:boolean = true, DelaySSR:boolean = true, Seed:boolean = true):FetchGuide
+    {
+        let check = Fetch.Cache.get(URL);
+        
+        const load =(inCheck:FetchRecord)=>
+        {
+            Fetch.Cache.set(URL, inCheck);
+            inCheck.CachedAt = 0;
+            inCheck.Promise = fetch(URL, Init?Init:undefined).then(resp=>resp.json()).then((json)=>{
+                inCheck.JSON = json;
+                inCheck.CachedAt = new Date().getTime();
+                //console.log(`...cached!`);
+                return inCheck;
+            });
+            return inCheck;
+        };
+
+        if(!check)
+        {
+            // not in the cache
+            // - listen
+
+            //console.log(`making new cache record...`);
+            return [load({URL, CacheFor, CachedAt:0, CacheOnServer, DelaySSR, Seed}), false, true];
+        }
+        else if(check.CachedAt == 0)
+        {
+            // loading started but not finished
+            // - listen
+            // - possibly init if there is something in JSON
+
+            //console.log(`currently being cached...`);
+            return [check, check.JSON ? true : false, true];
+        }
+        else
+        {
+            //console.log(`found in cache...`);
+            let secondsAge = (new Date().getTime() - check.CachedAt)/1000;
+            if(secondsAge > check.CacheFor)
+            {
+                // cached but expired
+                // - listen
+                // - init
+                //console.log(`...outdated...`);
+                return [load(check), true, true];
+            }
+            else
+            {
+                // cached and ready
+                // - init
+                //console.log(`...retrieved!`);
+                return [check, true, false];
+            }
+
+        }
+    },
+
+    Use(URL:string, Init?:RequestInit|null, Options?:FetchCachOptions)
+    {
+        const config = {...Fetch.DefaultOptions, ...Options};
+        const [receipt, init, listen] = Fetch.Request(URL, Init, config.CacheFor, config.CacheOnServer, config.DelaySSR, config.Seed);
+        const initialState:FetchHookState = init ? [receipt.JSON, listen] : [undefined, true];
+        const [cacheGet, cacheSet] = React.useState(initialState);
+
+        if(Fetch.ServerBlocking && Fetch.ServerTouched && config.DelaySSR) // if server-side rendering
+        {
+            if(listen) // if the request is pending
+            {
+                receipt.Promise && Fetch.ServerBlocking.push(receipt.Promise); // add promise to blocking list
+                return [undefined, listen] as FetchHookState; // no need to return any actual data while waiting server-side
+            }
+            else // if request is ready
+            {
+                receipt.Seed && Fetch.ServerTouched.add(receipt); // add record to client seed list (if specified in receipt.seed)
+                return [receipt.JSON, false] as FetchHookState;
+            }
+        }
+
+        React.useEffect(()=>
+        {
+            if(listen)
+            {
+                //const receipt = Fetch.Request(URL, Init, CacheFor, CacheOnServer, DelaySSR);
+                receipt.Promise?.then(()=>cacheSet([receipt.JSON, receipt.CachedAt === 0]));
+            }
+        }
+        , []);
+
+        return cacheGet;
+    }
+};

server.tsx

@@ -1,298 +1,448 @@
-import * as ESBuild from 'https://deno.land/x/esbuild@v0.14.45/mod.js';
+import * as ESBuild from 'https://deno.land/x/esbuild@v0.17.4/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 React, {createElement as h} from "react";
+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";
 
-const Transpiled = new Map();
-const Transpileable =(inFilePath:string):boolean=>
+Deno.env.set("initialized", "true");
+
+/**
+ * Setup a transpiler.
+ * @param inDevMode When true, starts a file-watcher
+ * @returns 
+ */
+function Transpiler(inDevMode:boolean)
 {
-    let dotIndex = inFilePath.length-4;
-    if(inFilePath[dotIndex] !== ".")
+    const Transpiled = new Map();
+    const Transpileable =(inFilePath:string):boolean=>
     {
-        if(inFilePath[++dotIndex] !== ".")
+        let dotIndex = inFilePath.length-4;
+        if(inFilePath[dotIndex] !== ".")
         {
-            return false;
+            if(inFilePath[++dotIndex] !== ".")
+            {
+                return false;
+            }
         }
-    }
-
-    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 });
-    Transpiled.set(inKey, transpile.code);
-    return transpile.code;
-};
-type Transpiler = (inPath:string, inKey:string, inCheck?:boolean)=>Promise<string>;
-const TranspileFS:Transpiler =async(inPath, inKey, inCheck)=>
-{
-    if(inCheck)
-    {
-        const cached = Transpiled.get(inKey);
-        if(cached)
+    
+        if(inFilePath[dotIndex+2] == "s")
         {
-            return cached;
+            const first = inFilePath[dotIndex+1];
+            return (first == "t" || first == "j");
         }
-    }
-    const body = await Deno.readTextFile(inPath);
-    return Transpile(body, inKey);
-};
-const TranspileURL:Transpiler =async(inPath, inKey, inCheck)=>
-{
-    if(inCheck)
+    
+        return false;
+    };
+    const Transpile =async(inCode:string, inKey:string):Promise<string>=>
     {
-        const cached = Transpiled.get(inKey);
-        if(cached)
+        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);
+        return transpile.code;
+    };
+    type Transpiler = (inPath:string, inKey:string, inCheck?:boolean)=>Promise<string>;
+    const TranspileURL:Transpiler =async(inPath, inKey, inCheck)=>
+    {
+        if(inCheck)
         {
-            return cached;
+            const cached = Transpiled.get(inKey);
+            if(cached)
+            {
+                return cached;
+            }
         }
-    }
-    const path = import.meta.resolve(`.${inPath}`);
-    let body = await fetch(path);
-    let text = await body.text();
-    return Transpile(text, inKey);
-};
-
-
-const LibPath = "lib";
-type ImportMap = {imports?:Record<string, string>, importMap?:string};
-let ImportObject:ImportMap = {};
-try
-{
-    const confDeno = await Deno.readTextFile(Deno.cwd()+"/deno.json");
-    const confDenoParsed:ImportMap = JSON.parse(confDeno);
-    if(confDenoParsed.importMap)
+        let body = await fetch(inPath);
+        let text = await body.text();
+        return Transpile(text, inKey);
+    };
+    
+    const Sockets:Set<WebSocket> = new Set();
+    const SocketsBroadcast =(inData:string)=>{ for (const socket of Sockets){ socket.send(inData); } }
+    const SocketsHandler = inDevMode ? (_req:Request)=>
     {
-        try
+        if(_req.headers.get("upgrade") == "websocket")
         {
-            const confImports = await Deno.readTextFile(confDenoParsed.importMap);
             try
             {
-                ImportObject = JSON.parse(confImports);
+              const { response, socket } = Deno.upgradeWebSocket(_req);
+              socket.onopen = () => Sockets.add(socket);
+              socket.onclose = () => Sockets.delete(socket);
+              socket.onmessage = (e) => {};
+              socket.onerror = (e) => console.log("Socket errored:", e);
+              return response;
             }
             catch(e)
             {
-                console.log(`"importMap" "${confDenoParsed.importMap}" contains invalid JSON`);
+                //
             }
         }
-        catch(e)
-        {
-            console.log(`"importMap" "${confDenoParsed.importMap}" cannot be found`);
-        }
+        return false;
     }
-    else if(confDenoParsed.imports)
+    :
+    ()=>false;
+
+    let reloads = 0;
+    const watcher =async()=>
     {
-        ImportObject = {imports:confDenoParsed.imports};
+        const FilesChanged:Map<string, string> = new Map();
+        const ProcessFiles =debounce(async()=>
+        {
+            for await (const [path, action] of FilesChanged)
+            {
+                const key = path.substring(Deno.cwd().length).replaceAll("\\", "/");
+                if(action != "remove")
+                {
+                    if(Imports?.imports)
+                    {
+                        reloads++;
+                        const importApp = Imports.imports["@eno/app"];
+                        const imp = await import(Path.Active+importApp+"?reloads="+reloads);
+                        App = imp.default;
+                    }
+                    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();
+            }
+        }
     }
 
-    if(ImportObject.imports)
+    if(inDevMode)
     {
-        const importReact = ImportObject.imports["react"];
-        if(importReact)
-        {
-            ImportObject.imports["react-original"] = importReact;
-            ImportObject.imports["react"] = `./${LibPath}/react.tsx`;
-        }
-        else
-        {
-            console.log(`"imports" configuration does not alias "react"`);
-        }
+        watcher().then(()=>{console.log("done watching");});
+    }
 
-        const importApp = ImportObject.imports["@eno/app"];
-        if(importApp)
-        {
-            
-        }
-        else
-        {
-            console.log(`"imports" configuration does not alias an entry-point component with "@eno/app"`);
-        }
-        
-    }
-    else
-    {
-        console.log(`No "imports" found in configuration`);
-    }
+    return {TranspileURL, Transpileable, SocketsHandler};
 
 }
-catch(e)
+
+/**
+ * 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)
 {
-    console.log(`deno.json not found`);
-}
-
-import {default as App, CSS} from "@eno/app";
-import * as Twind from "https://esm.sh/@twind/core@1.1.3";
-const TwindInst = Twind.install(CSS);
-
-
-Deno.serve({ port: 3000 }, async(_req:Request) =>
-{
-    const url:URL = new URL(_req.url);
-    const fsPath = Deno.cwd()+url.pathname;
-
-    console.log(`Request for "${url.pathname}"...`);
-
-    if(_req.headers.get("upgrade") == "websocket")
-    {
-        try
-        {
-          const { response, socket } = Deno.upgradeWebSocket(_req);
-          socket.onopen = () =>
-          {
-              Sockets.add(socket);
-              console.log("Overwatch: Socket created");
-          };
-          socket.onclose = () =>
-          {
-              Sockets.delete(socket);
-              console.log("Overwatch: Socket deleted");
-          };
-          socket.onmessage = (e) => {};
-          socket.onerror = (e) => console.log("Overwatch: Socket errored:", e);
-          return response;
-        }
-        catch(e)
-        {
-            //
-        }
-    }
-
+    type ImportMap = {imports?:Record<string, string>, importMap?:string};
+    const output:{Imports?:ImportMap, App?:React.FunctionComponent, TwindInst?:Twind.Twind, Error?:string} = {};
+    let ImportObject:ImportMap = {};
     try
     {
-        // serve index by default
-        let type = `text/html`;
-        let body:BodyInit = ``;
-
-        const isLib = url.pathname.startsWith(`/${LibPath}/`)
-
-        // serve .tsx .jsx .ts .js
-        if(Transpileable(url.pathname))
+        const confDeno = await fetch(`${Path.Active}/deno.jsonc`);
+        const confText = await confDeno.text();
+        const confDenoParsed = JSONC(confText) as ImportMap;
+        if(confDenoParsed.importMap)
         {
-            type = `application/javascript`;
-            if(isLib)
+            try
             {
-                body = await TranspileURL(url.pathname, url.pathname, true);
+                const confImports = await Deno.readTextFile(confDenoParsed.importMap);
+                try
+                {
+                    output.Imports = JSON.parse(confImports);
+                }
+                catch(e)
+                {
+                    output.Error = `"importMap" "${confDenoParsed.importMap}" contains invalid JSON`;
+                    return output;
+                }
             }
-            else if(!url.searchParams.get("reload"))
+            catch(e)
             {
-                const path = `file://${Deno.cwd().replaceAll("\\", "/")+url.pathname}`;
-                console.log(path);
-
-                const imp = await import(path);
-                const members = [];
-                for( const key in imp ) { members.push(key); }
-                body =
-`
-import {FileListen} from "/${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);`;
-
+                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"] = `/${inLibPath}/iso.tsx`;
             }
             else
             {
-                body = await TranspileFS(fsPath, url.pathname, true);
+                output.Error = `"imports" configuration does not alias "@eno/iso"`;
+                return output;
             }
-        }
-        // serve static media
-        else if( url.pathname.endsWith("/") === false)
-        {
-            type = MIME.typeByExtension(url.pathname.substring(url.pathname.lastIndexOf("."))) || "text/html";
-            if(isLib)
+    
+            const importApp = output.Imports.imports["@eno/app"];
+            if(importApp)
             {
-                const _fetch = await fetch(import.meta.resolve(`.${url.pathname}`));
+                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`;
+            return output;
+        }
+    }
+    catch(e)
+    {
+        output.Error = `error during configuration: ${e}`;
+        return output;
+    }
+    return output;
+}
+
+const Flags:Record<string, string|boolean> = {};
+Deno.args.forEach(arg=>
+{
+    if(arg.startsWith("--"))
+    {
+        const kvp = arg.substring(2).split("=");
+        Flags[kvp[0]] = kvp[1] ? kvp[1] : true; 
+    }
+});
+
+let DevMode = Flags.dev ? true : false;
+let hosted = import.meta.resolve("./");
+const Path = {
+    Hosted: hosted.substring(0, hosted.length-1),
+    Active: `file://${Deno.cwd().replaceAll("\\", "/")}`,
+    LibDir: "lib"
+};
+console.log(Path);
+console.log(`Dev Mode: ${DevMode}`);
+console.log(`Args seen: `, Flags);
+
+const {Transpileable, TranspileURL, SocketsHandler} = Transpiler(DevMode);
+let {Imports, App, TwindInst, Error} = await Configure(DevMode, Path.LibDir);
+
+if(Error)
+{
+    console.log(Error);
+}
+else if(App && TwindInst)
+{
+    Deno.serve({ port: Flags?.port||3000 }, async(_req:Request) =>
+    {
+        const url:URL = new URL(_req.url);
+        const pathParts = url.pathname.substring(1, url.pathname.endsWith("/") ? url.pathname.length-1 : url.pathname.length).split("/");
+        const pathLast = pathParts.at(-1);
+        const pathExt:string|undefined = pathLast?.split(".")[1];
+        
+        const resp = SocketsHandler(_req);
+        if(resp){ return resp; }
+    
+        try
+        {
+            // serve index by default
+            let type = `text/html`;
+            let body:BodyInit = ``;
+    
+            const isLib = url.pathname.startsWith(`/${Path.LibDir}/`);
+    
+            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.${m};`).join("\n") }
+    };
+    FileListen("${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((Path.Active)+url.pathname);
                 body = await _fetch.text();
             }
             else
             {
-                body = await Deno.readFile(fsPath);
+                Iso.Fetch.ServerBlocking = [];
+                Iso.Fetch.ServerTouched = new Set();
+                Iso.Fetch.ServerRemove = new Set();
+                let app = <Iso.Router.Provider url={url}><App/></Iso.Router.Provider>;
+                await Prepass(app);
+                Iso.Meta.Stack = [];
+                let 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);
+                    Iso.Meta.Stack = [];
+                    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;
+    
+                Iso.Meta.Meta = Iso.Meta.ComputeFinal(Iso.Meta.Stack);
+                const results = Twind.extract(bake, TwindInst);
+                
+                type = `text/html`;
+                body =
+    `<!doctype html>
+    <html lang="en">
+        <head>
+            <title>${Iso.Meta.Meta.title}</title>
+            <meta property="og:title" content="${Iso.Meta.Meta.title}">
+            <meta name="description" content="${Iso.Meta.Meta.description}">
+            <meta property="og:description" content="${Iso.Meta.Meta.description}">
+            <meta property="og:image" content="${Iso.Meta.Meta.image}">
+            <meta property="og:url" content="${Iso.Meta.Meta.canonical}">
+            <link rel="canonical" href="${Iso.Meta.Meta.canonical}" />
+
+            <meta name="viewport" content="width=device-width, initial-scale=1.0">
+            <meta charset="utf-8"/>
+            <style data-twind>${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(${JSON.stringify(seed)});
+                const hmrWrap = H( ()=>H(App.default) );
+                hydrate(
+                    H(Router.Provider, null,
+                        H(Meta.Provider, null, hmrWrap)
+                    ),
+                    document.querySelector("#app")
+                );
+            </script>
+        </body>
+    </html>`;
             }
+    
+            return new Response(body, {headers:{"content-type":type as string, "Access-Control-Allow-Origin":"*", charset:"utf-8"}});
         }
-        else
+        catch(error)
         {
-            const results = Twind.extract(SSR(<App/>), TwindInst);
-
-            type = `text/html`;
-            body = `<!doctype html>
-<html>
-    <head>
-        <meta name="viewport" content="width=device-width, initial-scale=1.0">
-        <style data-twind>${results.css}</style>
-        <script type="importmap">${JSON.stringify(ImportObject)}</script>
-        <script async src="https://ga.jspm.io/npm:es-module-shims@1.5.1/dist/es-module-shims.js" crossorigin="anonymous"></script>
-    </head>
-    <body>
-        <div id="app">${results.html}</div>
-        <script type="module">
-            import {render, createElement as H} from "react";
-            import * as Twind from "https://esm.sh/@twind/core@1.1.3";
-            import {default as App, CSS} from "@eno/app";
-            Twind.install(CSS);
-            render(H(()=>H(App)), document.querySelector("#app"));
-        </script>
-    </body>
-</html>`;
-        }
-
-        return new Response(body, {headers:{"content-type":type as string}});
-    }
-    catch(error)
-    {
-        console.log(error);
-        return new Response(error, {status:404});
-    }
-});
-
-
-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")
-        {
-            await TranspileFS(path, key, false);
-            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);
+            console.log(error);
+            return new Response(error, {status:404});
         }
     });
-    if(FilesChanged.size)
-    {
-        ProcessFiles();
-    }
 }