hmr #1
@ -1,7 +1,11 @@
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{
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"compilerOptions": {"lib": [
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"deno.window", "DOM"
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]},
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"importMap": "deno.map.json",
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"tasks":
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{
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"install": "deno install -f -A --unstable --no-lock -n tsx server.tsx",
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"install": "deno install -f -A --unstable --no-lock -n eno server.tsx",
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"run": "deno run -A --unstable --no-lock server.tsx"
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}
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}
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5
deno.map.json
Normal file
5
deno.map.json
Normal file
@ -0,0 +1,5 @@
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{
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"imports": {
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"react-original": "https://esm.sh/react@18.2.0"
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}
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}
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65
lib/hmr.tsx
Normal file
65
lib/hmr.tsx
Normal file
@ -0,0 +1,65 @@
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let reloads = 0;
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const listeners = new Map();
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new WebSocket("ws://"+document.location.host).addEventListener('message', (event) =>
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{
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let handlers = listeners.get(event.data)??[];
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reloads++;
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Promise.all(
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handlers.map(handler=>
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{
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return import(event.data+"?reload="+reloads)
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.then(updatedModule=>handler(updatedModule));
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})
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).then(HMR.update);
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});
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export const HMR = {
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registered: new Map() as Map<string, ()=>void>,
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states: new Map(),
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statesOld: new Map(),
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reloads: 0,
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wireframe: false,
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onChange(key:string, value:()=>void):void
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{
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this.registered.set(key, value);
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},
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update()
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{
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this.reloads++;
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this.registered.forEach(handler=>handler());
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this.registered.clear();
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this.statesOld = this.states;
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this.states = new Map();
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this.echoState();
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},
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echoState()
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{
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let output = [];
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for(const[key, val] of HMR.statesOld)
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{
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output[key] = val.state+"--"+val.reload;
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}
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console.log(output);
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output = [];
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for(const[key, val] of HMR.states)
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{
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output[key] = val.state+"--"+val.reload;
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}
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console.log(output);
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}
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};
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export const MapAt =(inMap, inIndex)=>
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{
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let index = 0;
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for(const kvp of inMap)
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{
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if(index == inIndex)
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{
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return kvp;
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}
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index++;
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}
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return false;
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};
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@ -1,69 +1,13 @@
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import * as ReactParts from "react-original";
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import { HMR, MapAt } from "./hmr.tsx";
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const H = ReactParts.createElement;
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const HMR = {
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registered: new Map(),
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states: new Map(),
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statesOld: new Map(),
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reloads: 0,
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wireframe: false
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};
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HMR.onChange =(key, value)=>
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{
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HMR.registered.set(key, value);
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};
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HMR.update =()=>
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{
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HMR.reloads++;
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const keys = [];
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for(const [key, value] of HMR.registered){ keys.push(key); }
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HMR.registered.clear();
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HMR.statesOld = HMR.states;
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HMR.states = new Map();
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keys.forEach(k=>k());
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HMR.echoState();
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};
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HMR.echoState =()=>
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{
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let output = [];
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for(const[key, val] of HMR.statesOld)
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{
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output[key] = val.state+"--"+val.reload;
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}
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console.log(output);
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output = [];
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for(const[key, val] of HMR.states)
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{
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output[key] = val.state+"--"+val.reload;
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}
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console.log(output);
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};
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HMR.wipe =()=>
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{
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HMR.statesOld = new Map();
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};
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const MapAt =(inMap, inIndex)=>
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{
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let index = 0;
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for(const kvp of inMap)
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{
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if(index == inIndex)
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{
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return kvp;
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}
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index++;
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}
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return false;
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}
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window.HMR = HMR;
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const ProxyElement = (props)=>
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{
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const id = ReactParts.useId();
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const [stateGet, stateSet] = ReactParts.useState(0);
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ReactParts.useEffect(()=>HMR.onChange( ()=>stateSet(stateGet+1), "ProxyElement" ));
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ReactParts.useEffect(()=>HMR.onChange(id, ()=>stateSet(stateGet+1)));
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const child = H(...props.__args);
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|
30
server.tsx
30
server.tsx
@ -102,7 +102,7 @@ try
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if(importReact)
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{
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ImportObject.imports["react-original"] = importReact;
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ImportObject.imports["react"] = "/hmr/react.tsx";
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ImportObject.imports["react"] = "/lib/react.tsx";
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ImportString = JSON.stringify(ImportObject);
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}
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else
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@ -128,33 +128,7 @@ const Index = `
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
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<script>
|
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let reloads = 0;
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const listeners = new Map();
|
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const socket = new WebSocket("ws://"+document.location.host);
|
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|
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socket.addEventListener('message', (event) =>
|
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{
|
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let handlers = listeners.get(event.data)??[];
|
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reloads++;
|
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Promise.all(
|
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handlers.map(handler=>
|
||||
{
|
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return import(event.data+"?reload="+reloads)
|
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.then(updatedModule=>handler(updatedModule));
|
||||
})
|
||||
).then(()=>
|
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{
|
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handlers = listeners.get("reload-complete")??[];
|
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handlers.forEach(handler=>handler());
|
||||
});
|
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});
|
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|
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window.HMR = (path, handler)=>
|
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{
|
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const members = listeners.get(path)??[];
|
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members.push(handler);
|
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listeners.set(path, members);
|
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};
|
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</script>
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</head>
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<body>
|
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@ -271,7 +245,7 @@ window.HMR("${url.pathname}", reloadHandler);`;
|
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}
|
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catch(error)
|
||||
{
|
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console.log(` ...404`);
|
||||
console.log(error);
|
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return new Response(error, {status:404});
|
||||
}
|
||||
});
|
||||
|
Loading…
Reference in New Issue
Block a user