hmr #1
123
server.tsx
123
server.tsx
@ -2,8 +2,6 @@ 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 * 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 { debounce } from "https://deno.land/std@0.151.0/async/debounce.ts";
|
||||||
|
|
||||||
console.log(`Serving files from "${Deno.cwd()}"`);
|
|
||||||
|
|
||||||
const Transpiled = new Map();
|
const Transpiled = new Map();
|
||||||
/**
|
/**
|
||||||
* checks for (.tsx | .jsx | .ts | .js) extensions
|
* checks for (.tsx | .jsx | .ts | .js) extensions
|
||||||
@ -40,6 +38,7 @@ let ImportString = ``;
|
|||||||
let ImportObject = {};
|
let ImportObject = {};
|
||||||
try
|
try
|
||||||
{
|
{
|
||||||
|
|
||||||
const confDeno = await Deno.readTextFile(Deno.cwd()+"/deno.json");
|
const confDeno = await Deno.readTextFile(Deno.cwd()+"/deno.json");
|
||||||
const confDenoParsed:{importMap?:string, imports?:string} = JSON.parse(confDeno);
|
const confDenoParsed:{importMap?:string, imports?:string} = JSON.parse(confDeno);
|
||||||
if(confDenoParsed.importMap)
|
if(confDenoParsed.importMap)
|
||||||
@ -77,6 +76,35 @@ const Index = `
|
|||||||
<html>
|
<html>
|
||||||
<head>
|
<head>
|
||||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||||
|
<script>
|
||||||
|
let reloads = 0;
|
||||||
|
const listeners = new Map();
|
||||||
|
const socket = new WebSocket("ws://"+document.location.host);
|
||||||
|
|
||||||
|
socket.addEventListener('message', (event) =>
|
||||||
|
{
|
||||||
|
let handlers = listeners.get(event.data)??[];
|
||||||
|
reloads++;
|
||||||
|
Promise.all(
|
||||||
|
handlers.map(handler=>
|
||||||
|
{
|
||||||
|
return import(event.data+"?reload="+reloads)
|
||||||
|
.then(updatedModule=>handler(updatedModule));
|
||||||
|
})
|
||||||
|
).then(()=>
|
||||||
|
{
|
||||||
|
handlers = listeners.get("reload-complete")??[];
|
||||||
|
handlers.forEach(handler=>handler());
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
window.HMR = (path, handler)=>
|
||||||
|
{
|
||||||
|
const members = listeners.get(path)??[];
|
||||||
|
members.push(handler);
|
||||||
|
listeners.set(path, members);
|
||||||
|
};
|
||||||
|
</script>
|
||||||
</head>
|
</head>
|
||||||
<body>
|
<body>
|
||||||
<div id="app">Loading</div>
|
<div id="app">Loading</div>
|
||||||
@ -109,43 +137,6 @@ Deno.serve({ port: 3000 }, async(_req:Request) =>
|
|||||||
|
|
||||||
console.log(`Request for "${url.pathname}"...`);
|
console.log(`Request for "${url.pathname}"...`);
|
||||||
|
|
||||||
try
|
|
||||||
{
|
|
||||||
// serve index by default
|
|
||||||
let type = `text/html`;
|
|
||||||
let body:BodyInit = Index;
|
|
||||||
|
|
||||||
// serve .tsx .jsx .ts .js
|
|
||||||
if(Transpileable(url.pathname))
|
|
||||||
{
|
|
||||||
body = Transpiled.get(url.pathname);
|
|
||||||
type = `application/javascript`;
|
|
||||||
if(!body)
|
|
||||||
{
|
|
||||||
body = await Transpile(fsPath, url.pathname);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// serve static media
|
|
||||||
else if( url.pathname.endsWith("/") === false)
|
|
||||||
{
|
|
||||||
body = await Deno.readFile(fsPath);
|
|
||||||
type = MIME.typeByExtension(url.pathname.substring(url.pathname.lastIndexOf("."))) || "text/html";
|
|
||||||
}
|
|
||||||
|
|
||||||
return new Response(body, {headers:{"content-type":type as string}});
|
|
||||||
}
|
|
||||||
catch(error)
|
|
||||||
{
|
|
||||||
console.log(` ...404`);
|
|
||||||
return new Response(error, {status:404});
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
|
|
||||||
const Sockets:Set<WebSocket> = new Set();
|
|
||||||
const SocketsBroadcast =(inData:string)=>{ for (const socket of Sockets){ socket.send(inData); } }
|
|
||||||
Deno.serve({ port: 3001 }, (_req:Request) =>
|
|
||||||
{
|
|
||||||
if(_req.headers.get("upgrade") == "websocket")
|
if(_req.headers.get("upgrade") == "websocket")
|
||||||
{
|
{
|
||||||
try
|
try
|
||||||
@ -170,8 +161,60 @@ Deno.serve({ port: 3001 }, (_req:Request) =>
|
|||||||
//
|
//
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return new Response("Overwatch: Not a websocket request.");
|
|
||||||
|
try
|
||||||
|
{
|
||||||
|
// serve index by default
|
||||||
|
let type = `text/html`;
|
||||||
|
let body:BodyInit = Index;
|
||||||
|
|
||||||
|
// serve .tsx .jsx .ts .js
|
||||||
|
if(Transpileable(url.pathname))
|
||||||
|
{
|
||||||
|
type = `application/javascript`;
|
||||||
|
if(!url.searchParams.get("reload"))
|
||||||
|
{
|
||||||
|
const path = `file://${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 * 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.${m};`).join("\n") }
|
||||||
|
};
|
||||||
|
window.HMR("${url.pathname}", reloadHandler);`;
|
||||||
|
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
body = Transpiled.get(url.pathname) || await Transpile(fsPath, url.pathname);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// serve static media
|
||||||
|
else if( url.pathname.endsWith("/") === false)
|
||||||
|
{
|
||||||
|
body = await Deno.readFile(fsPath);
|
||||||
|
type = MIME.typeByExtension(url.pathname.substring(url.pathname.lastIndexOf("."))) || "text/html";
|
||||||
|
}
|
||||||
|
|
||||||
|
return new Response(body, {headers:{"content-type":type as string}});
|
||||||
|
}
|
||||||
|
catch(error)
|
||||||
|
{
|
||||||
|
console.log(` ...404`);
|
||||||
|
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 FilesChanged:Map<string, string> = new Map();
|
||||||
const ProcessFiles =debounce(async()=>
|
const ProcessFiles =debounce(async()=>
|
||||||
{
|
{
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user