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This commit is contained in:
Seth Trowbridge 2023-06-06 22:24:43 -04:00
parent 223bebe48d
commit afd760dbfb
4 changed files with 142 additions and 140 deletions
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64
client.tsx
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@ -1,64 +0,0 @@
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"));

59
local.tsx Normal file
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@ -0,0 +1,59 @@
import * as HTTP from "https://deno.land/std@0.177.0/http/server.ts";
import Setup, {Transpile} from "./serve.tsx";
const Directory = `file://${Deno.cwd().replaceAll("\\", "/")}`;
Transpile.Config.sourceMaps = "inline";
Setup({Proxy:Directory});
const SocketsLive:Set<WebSocket> = new Set();
const SocketsSend =(inData:string)=>{ console.log(inData); for (const socket of SocketsLive){ socket.send(inData); } }
HTTP.serve((_req:Request)=>
{
if(_req.headers.get("upgrade") == "websocket")
{
try
{
const { response, socket } = Deno.upgradeWebSocket(_req);
socket.onopen = () => SocketsLive.add(socket);
socket.onclose = () => SocketsLive.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`);
}, { port: 4444 });
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")
{
const tsx = await Transpile.Fetch(Directory+key, key, true);
tsx && SocketsSend(key);
}
else
{
Transpile.Cache.delete(key);
}
}
filesChanged.clear();
blocking = false;
}
, 1000);
}
}

94
serve.tsx
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@ -1,20 +1,85 @@
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 Transpile from "./xpile.tsx";
import * as SWCW from "https://esm.sh/@swc/wasm-web@1.3.62";
type Configuration = {Proxy:string, Allow:string, Reset:string, Local:boolean};
type ConfigurationArgs = {Proxy?:string, Allow?:string, Reset?:string, Local?:boolean};
let Configure:Configuration =
export type Configuration = {Proxy:string, Allow:string, Reset:string, Local:boolean};
export type ConfigurationArgs = {Proxy?:string, Allow?:string, Reset?:string, Local?:boolean};
export let Configure:Configuration =
{
Proxy: "",
Allow: "*",
Reset: "/clear-cache",
Local: false
};
export default (config:ConfigurationArgs)=> Configure = {...Configure, ...config};
export const Transpile = {
Config:
{
sourceMaps: false,
minify: true,
jsc:
{
target:"es2017",
minify:
{
compress: { unused: true },
mangle: true
},
parser:
{
syntax: "typescript",
tsx: true,
},
transform:
{
react: { runtime: "automatic" }
}
},
} as SWCW.Options,
Cache: new Map() as Map<string, string>,
Clear()
{
const size = this.Cache.size;
this.Cache.clear();
return size;
},
Fetch: async function(inPath:string, inKey:string, inCheckCache=true)
{
console.log("transpile", inPath)
if(inPath.endsWith(".tsx") || inPath.endsWith(".jsx") || inPath.endsWith(".js") || inPath.endsWith(".mjs"))
{
const check = this.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, {...this.Config, filename:inKey});
this.Cache.set(inKey, code);
return code;
}
catch(e)
{
console.log(`xpile.tsx error. Key:${inKey} Path:${inPath} Error:"${e}"`);
return null;
}
}
}
else
{
return false;
}
}
};
SWCW.default();
console.log("starting server");
HTTP.serve(async(req: Request)=>
{
const url:URL = new URL(req.url);
@ -24,7 +89,7 @@ HTTP.serve(async(req: Request)=>
return new Response(`cache cleared (${Transpile.Clear()} items)`);
}
const lookup = await Transpile.Fetch(Configure.Proxy + url.pathname);
const lookup = await Transpile.Fetch(Configure.Proxy + url.pathname, url.pathname);
if(lookup === null)
{
// error
@ -33,10 +98,17 @@ HTTP.serve(async(req: Request)=>
else if(lookup === false)
{
// not a javascript file
const type = MIME.typeByExtension(url.pathname.substring(url.pathname.lastIndexOf("."))) || "text/html";
const file = await fetch(Configure.Proxy + url.pathname);
const text = await file.text();
return new Response(text, {headers:{"content-type":type, "Access-Control-Allow-Origin":Configure.Allow, charset:"utf-8"}});
try
{
const type = MIME.typeByExtension(url.pathname.substring(url.pathname.lastIndexOf("."))) || "text/html";
const file = await fetch(Configure.Proxy + url.pathname);
const text = await file.text();
return new Response(text, {headers:{"content-type":type, "Access-Control-Allow-Origin":Configure.Allow, charset:"utf-8"}});
}
catch(e)
{
return new Response(`404 ${Configure.Proxy + url.pathname}`, {status:404});
}
}
else
{

65
xpile.tsx
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@ -1,65 +0,0 @@
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;
}
};