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able-baker
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client started

This commit is contained in:
Seth Trowbridge 2023-06-06 17:22:14 -04:00
parent bf0e2bb444
commit 223bebe48d
3 changed files with 137 additions and 62 deletions
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64
client.tsx Normal file
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import * as HTTP from "https://deno.land/std@0.177.0/http/server.ts";
import * as Transpile from "./xpile.tsx";
const dir = `file://${Deno.cwd().replaceAll("\\", "/")}`;
const Sockets:Set<WebSocket> = new Set();
const SocketsBroadcast =(inData:string)=>{ console.log(inData); for (const socket of Sockets){ socket.send(inData); } }
const SocketsHandler = (_req:Request)=>
{
if(_req.headers.get("upgrade") == "websocket")
{
try
{
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)
{
//
return new Response(e);
}
}
return new Response(`websockets only`);
};
HTTP.serve(SocketsHandler, { port: 4444 });
const watcher =async()=>
{
let blocking = false;
const filesChanged:Map<string, string> = new Map();
for await (const event of Deno.watchFs(Deno.cwd()))
{
event.paths.forEach( path => filesChanged.set(path, event.kind) );
if(!blocking)
{
blocking = true;
setTimeout(async()=>
{
for await (const [path, action] of filesChanged)
{
const key = path.substring(Deno.cwd().length).replaceAll("\\", "/");
if(action != "remove")
{
await Transpile.Fetch(dir+key, key, true);
SocketsBroadcast(key);
}
else
{
Transpile.Cache.delete(key);
}
}
filesChanged.clear();
blocking = false;
}
, 1000);
}
}
}
watcher().then(()=>console.log("done watching"));

70
serve.tsx
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import * as MIME from "https://deno.land/std@0.180.0/media_types/mod.ts";
import * as HTTP from "https://deno.land/std@0.177.0/http/server.ts";
import * as SWCW from "https://esm.sh/@swc/wasm-web@1.3.62";
import * as Transpile from "./xpile.tsx";
type Configuration = {Proxy:string, Allow:string, Reset:string};
type ConfigurationArgs = {Proxy?:string, Allow?:string, Reset?:string};
type Configuration = {Proxy:string, Allow:string, Reset:string, Local:boolean};
type ConfigurationArgs = {Proxy?:string, Allow?:string, Reset?:string, Local?:boolean};
let Configure:Configuration =
{
Proxy: "",
Allow: "*",
Reset: "/clear-cache"
Reset: "/clear-cache",
Local: false
};
export default (config:ConfigurationArgs)=> Configure = {...Configure, ...config};
const TranspileConfig:SWCW.Options = {
sourceMaps: true,
minify: true,
jsc:
{
minify:
{
compress: { unused: true },
mangle: true
},
parser:
{
syntax: "typescript",
tsx: true,
},
transform:
{
react: { runtime: "automatic" }
}
},
}
const TranspileCache:Map<string, string> = new Map();
const TranspileFetch =async(inPath:string)=>
{
if(inPath.endsWith(".tsx") || inPath.endsWith(".jsx") || inPath.endsWith(".js") || inPath.endsWith(".mjs"))
{
const check = TranspileCache.get(inPath);
if(check)
{
return check;
}
else
{
try
{
const resp = await fetch(Configure.Proxy + inPath);
const text = await resp.text();
const {code, map} = await SWCW.transform(text, TranspileConfig);
TranspileCache.set(inPath, code);
return code;
}
catch(e)
{
return null;
}
}
}
else
{
return false;
}
};
await SWCW.default();
HTTP.serve(async(req: Request)=>
{
const url:URL = new URL(req.url);
if(url.pathname === Configure.Reset)
{
const size = TranspileCache.size;
TranspileCache.clear();
return new Response(`cache cleared (${size} items)`);
return new Response(`cache cleared (${Transpile.Clear()} items)`);
}
const lookup = await TranspileFetch(url.pathname);
const lookup = await Transpile.Fetch(Configure.Proxy + url.pathname);
if(lookup === null)
{
// error
return new Response(`error (see console)`, {status:404, headers:{"content-type":"application/javascript", "Access-Control-Allow-Origin": Configure.Allow, charset:"utf-8"}});
return new Response(`transpile error (see console)`, {status:404, headers:{"content-type":"application/javascript", "Access-Control-Allow-Origin": Configure.Allow, charset:"utf-8"}});
}
else if(lookup === false)
{

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xpile.tsx Normal file
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import * as SWCW from "https://esm.sh/@swc/wasm-web@1.3.62";
await SWCW.default();
export const Config:SWCW.Options =
{
sourceMaps: false,
minify: true,
jsc:
{
minify:
{
compress: { unused: true },
mangle: true
},
parser:
{
syntax: "typescript",
tsx: true,
},
transform:
{
react: { runtime: "automatic" }
}
},
}
export const Cache:Map<string, string> = new Map();
export const Clear =()=>
{
const size = Cache.size;
Cache.clear();
return size;
};
export const Fetch =async(inPath:string, inKey:string, inCheckCache=true)=>
{
if(inPath.endsWith(".tsx") || inPath.endsWith(".jsx") || inPath.endsWith(".js") || inPath.endsWith(".mjs"))
{
const check = Cache.get(inPath);
if(check && inCheckCache)
{
return check;
}
else
{
try
{
const resp = await fetch(inPath);
const text = await resp.text();
const {code} = await SWCW.transform(text, Config);
Cache.set(inKey, code);
return code;
}
catch(e)
{
console.log(`xpile.tsx error. Key:${inKey} Path:${inPath} Error:"${e}"`);
return null;
}
}
}
else
{
return false;
}
};