serving adjacent files
This commit is contained in:
parent
9e2b7a5759
commit
08ecdfa6f0
|
|
@ -0,0 +1,132 @@
|
|||
import * as ReactParts from "react-original";
|
||||
|
||||
const H = ReactParts.createElement;
|
||||
|
||||
const HMR = {
|
||||
registered: new Map(),
|
||||
states: new Map(),
|
||||
statesOld: new Map(),
|
||||
reloads: 0,
|
||||
wireframe: false
|
||||
};
|
||||
HMR.onChange =(key, value)=>
|
||||
{
|
||||
HMR.registered.set(key, value);
|
||||
};
|
||||
HMR.update =()=>
|
||||
{
|
||||
HMR.reloads++;
|
||||
const keys = [];
|
||||
for(const [key, value] of HMR.registered){ keys.push(key); }
|
||||
HMR.registered.clear();
|
||||
HMR.statesOld = HMR.states;
|
||||
HMR.states = new Map();
|
||||
keys.forEach(k=>k());
|
||||
HMR.echoState();
|
||||
};
|
||||
HMR.echoState =()=>
|
||||
{
|
||||
let output = [];
|
||||
for(const[key, val] of HMR.statesOld)
|
||||
{
|
||||
output[key] = val.state+"--"+val.reload;
|
||||
}
|
||||
console.log(output);
|
||||
output = [];
|
||||
for(const[key, val] of HMR.states)
|
||||
{
|
||||
output[key] = val.state+"--"+val.reload;
|
||||
}
|
||||
console.log(output);
|
||||
};
|
||||
HMR.wipe =()=>
|
||||
{
|
||||
HMR.statesOld = new Map();
|
||||
};
|
||||
|
||||
const MapAt =(inMap, inIndex)=>
|
||||
{
|
||||
let index = 0;
|
||||
for(const kvp of inMap)
|
||||
{
|
||||
if(index == inIndex)
|
||||
{
|
||||
return kvp;
|
||||
}
|
||||
index++;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
window.HMR = HMR;
|
||||
|
||||
const ProxyElement = (props)=>
|
||||
{
|
||||
const [stateGet, stateSet] = ReactParts.useState(0);
|
||||
ReactParts.useEffect(()=>HMR.onChange( ()=>stateSet(stateGet+1), "ProxyElement" ));
|
||||
|
||||
const child = H(...props.__args);
|
||||
|
||||
if(HMR.wireframe)
|
||||
{
|
||||
return H("div", {style:{padding:"10px", border:"2px solid red"}},
|
||||
H("p", null, stateGet),
|
||||
child
|
||||
);
|
||||
}
|
||||
else
|
||||
{
|
||||
return child;
|
||||
}
|
||||
};
|
||||
|
||||
const ProxyCreate =(...args)=>
|
||||
{
|
||||
return typeof args[0] != "string" ? H(ProxyElement, {__args:args, ...args[1]}) : H(...args);
|
||||
};
|
||||
|
||||
const ProxyState =(arg)=>
|
||||
{
|
||||
const id = ReactParts.useId();
|
||||
const trueArg = arg;
|
||||
|
||||
// does statesOld have an entry for this state? use that instead of the passed arg
|
||||
const check = MapAt(HMR.statesOld, HMR.states.size);
|
||||
if(check)
|
||||
{
|
||||
arg = check[1].state;
|
||||
console.info(`BOOTING with ${arg}`);
|
||||
}
|
||||
|
||||
const lastKnowReloads = HMR.reloads;
|
||||
const [stateGet, stateSet] = ReactParts.useState(arg);
|
||||
ReactParts.useEffect(()=>{
|
||||
return ()=>{
|
||||
if(HMR.reloads == lastKnowReloads)
|
||||
{
|
||||
// this is a switch/ui change, not a HMR reload change
|
||||
const oldState = MapAt(HMR.statesOld, HMR.states.size-1);
|
||||
HMR.statesOld.set(oldState[0], {...oldState[1], state:trueArg});
|
||||
}
|
||||
HMR.states.delete(id);
|
||||
}
|
||||
}, []);
|
||||
|
||||
if(!HMR.states.has(id))
|
||||
{
|
||||
HMR.states.set(id, {state:arg, set:stateSet, reload:HMR.reloads});
|
||||
}
|
||||
|
||||
function proxySetter (arg)
|
||||
{
|
||||
//console.log("state spy update", id, arg);
|
||||
HMR.states.set(id, {state:arg, set:stateSet, reload:HMR.reloads});
|
||||
return stateSet(arg);
|
||||
}
|
||||
return [stateGet, proxySetter];
|
||||
|
||||
};
|
||||
|
||||
export * from "react-alias";
|
||||
export { ProxyCreate as createElement, ProxyState as useState };
|
||||
export default {...ReactParts.default, createElement:ProxyCreate, useState:ProxyState};
|
||||
105
server.tsx
105
server.tsx
|
|
@ -34,13 +34,13 @@ export const Transpile =async(inPath:string, inKey:string):Promise<string>=>
|
|||
};
|
||||
|
||||
|
||||
type ImportMap = {imports?:Record<string, string>, importMap?:string};
|
||||
let ImportString = ``;
|
||||
let ImportObject = {};
|
||||
let ImportObject:ImportMap = {};
|
||||
try
|
||||
{
|
||||
|
||||
const confDeno = await Deno.readTextFile(Deno.cwd()+"/deno.json");
|
||||
const confDenoParsed:{importMap?:string, imports?:string} = JSON.parse(confDeno);
|
||||
const confDenoParsed:ImportMap = JSON.parse(confDeno);
|
||||
if(confDenoParsed.importMap)
|
||||
{
|
||||
try
|
||||
|
|
@ -53,12 +53,12 @@ try
|
|||
}
|
||||
catch(e)
|
||||
{
|
||||
console.log(`importMap "${confDenoParsed.importMap}" contains invalid JSON`);
|
||||
console.log(`"importMap" "${confDenoParsed.importMap}" contains invalid JSON`);
|
||||
}
|
||||
}
|
||||
catch(e)
|
||||
{
|
||||
console.log(`importMap "${confDenoParsed.importMap}" cannot be found`);
|
||||
console.log(`"importMap" "${confDenoParsed.importMap}" cannot be found`);
|
||||
}
|
||||
}
|
||||
else if(confDenoParsed.imports)
|
||||
|
|
@ -66,11 +66,33 @@ try
|
|||
ImportObject = {imports:confDenoParsed.imports};
|
||||
ImportString = JSON.stringify(ImportObject);
|
||||
}
|
||||
|
||||
if(ImportObject.imports)
|
||||
{
|
||||
const importReact = ImportObject.imports?.["react"];
|
||||
if(importReact)
|
||||
{
|
||||
ImportObject.imports["react-original"] = importReact;
|
||||
ImportObject.imports["react"] = "/hmr/react.tsx";
|
||||
ImportString = JSON.stringify(ImportObject);
|
||||
}
|
||||
else
|
||||
{
|
||||
console.log(`"imports" configuration does not alias "react"`);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
console.log(`No "imports" found in configuration`);
|
||||
}
|
||||
|
||||
}
|
||||
catch(e)
|
||||
{
|
||||
console.log(`deno.json not found`);
|
||||
}
|
||||
|
||||
|
||||
const Index = `
|
||||
<!doctype html>
|
||||
<html>
|
||||
|
|
@ -130,6 +152,9 @@ window.HMR = (path, handler)=>
|
|||
</html>
|
||||
`;
|
||||
|
||||
const path = import.meta.resolve(`./hmr/react.sx`);
|
||||
console.log("meta path", path);
|
||||
|
||||
Deno.serve({ port: 3000 }, async(_req:Request) =>
|
||||
{
|
||||
const url:URL = new URL(_req.url);
|
||||
|
|
@ -168,38 +193,50 @@ Deno.serve({ port: 3000 }, async(_req:Request) =>
|
|||
let type = `text/html`;
|
||||
let body:BodyInit = Index;
|
||||
|
||||
// serve .tsx .jsx .ts .js
|
||||
if(Transpileable(url.pathname))
|
||||
if(url.pathname.startsWith("/hmr/"))
|
||||
{
|
||||
type = `application/javascript`;
|
||||
if(!url.searchParams.get("reload"))
|
||||
{
|
||||
const path = `file://${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);
|
||||
}
|
||||
const path = import.meta.resolve(`.${url.pathname}`);
|
||||
console.log("import path", path);
|
||||
const resp = await fetch(path);
|
||||
body = await resp.text();
|
||||
//body = Transpiled.get(url.pathname) || await Transpile("."+url.pathname, url.pathname);
|
||||
}
|
||||
// serve static media
|
||||
else if( url.pathname.endsWith("/") === false)
|
||||
else
|
||||
{
|
||||
body = await Deno.readFile(fsPath);
|
||||
type = MIME.typeByExtension(url.pathname.substring(url.pathname.lastIndexOf("."))) || "text/html";
|
||||
// serve .tsx .jsx .ts .js
|
||||
if(Transpileable(url.pathname))
|
||||
{
|
||||
type = `application/javascript`;
|
||||
if(!url.searchParams.get("reload"))
|
||||
{
|
||||
const path = `file://${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}});
|
||||
|
|
|
|||
Loading…
Reference in New Issue