if ("POST" === req.method) {
      if (req.body) return new Response(JSON.parse(await req.text()),{ status: 200 })
   }

if ("POST" === req.method) {
      if (req.body) return new Response(JSON.parse(await req.text()),{ status: 200 })
   }

By default, if the connection between the client and server closes, the connection is restarted.

By default, if the connection between the client and server closes, the connection is restarted.

Note: The comment line can be used to prevent connections from timing out; a server can send a comment periodically to keep the connection alive.

Note: The comment line can be used to prevent connections from timing out; a server can send a comment periodically to keep the connection alive.

async function* sse() {
  while (true) { // every minute you send a comment line
    await new Promise(r => setTimeout(r, 60000));
    yield ': comments are ignored by the client \n\n';
  }
}

router.get('/sse', contentType(['text/event-stream']), (req, { type }) => {
  return new StreamResponse(sse(), { headers: [['content-type', type]] })
})

async function* sse() {
  while (true) { // every minute you send a comment line
    await new Promise(r => setTimeout(r, 60000));
    yield ': comments are ignored by the client \n\n';
  }
}

router.get('/sse', contentType(['text/event-stream']), (req, { type }) => {
  return new StreamResponse(sse(), { headers: [['content-type', type]] })
})

ServeHandlerInfo {}

ServeHandlerInfo {}

Deno.serve({ port: 1993, hostname: '0.0.0.0'},
    (request: Request) => {
        const url = new URL(request.url)
        return new Response(`
            Hello From:
            origin = ${url.origin}
            host = ${url.host}
            hostname = ${url.hostname}
            port = ${url.port}
            transport protocol = ${url.protocol}:
        `)
    })

Deno.serve({ port: 1993, hostname: '0.0.0.0'},
    (request: Request) => {
        const url = new URL(request.url)
        return new Response(`
            Hello From:
            origin = ${url.origin}
            host = ${url.host}
            hostname = ${url.hostname}
            port = ${url.port}
            transport protocol = ${url.protocol}:
        `)
    })

Hello From:
  origin = http://localhost:1993
  host = localhost:1993
  hostname = localhost
  port = 1993
  transport protocol = http:

Hello From:
  origin = http://localhost:1993
  host = localhost:1993
  hostname = localhost
  port = 1993
  transport protocol = http:

Hello From:
  origin = http://127.0.0.2:1993
  host = 127.0.0.2:1993
  hostname = 127.0.0.2
  port = 1993
  transport protocol = http:

Hello From:
  origin = http://127.0.0.2:1993
  host = 127.0.0.2:1993
  hostname = 127.0.0.2
  port = 1993
  transport protocol = http:

Type User = {id: number, first: string, last: string, age: number}>

// pre-fill with 100k user objects
const userMap: Map<number, User> = new Map()

// Serialize the Map
// 100k objects(10.7 MB) takes ~ 90ms.   
let serializedUsers = JSON.stringify(Array.from(userMap.entries()))

/* Deserialize     
 * hydrating 100,000 user objects takes ~ 160ms :         
 *     JSON.Parse: 145.30ms    
 *     Build-Map: 16.80ms
 */
const deserializedUsers = JSON.parse(serializedUsers)  
userMap = new Map(deserializedUsers)

Type User = {id: number, first: string, last: string, age: number}>

// pre-fill with 100k user objects
const userMap: Map<number, User> = new Map()

// Serialize the Map
// 100k objects(10.7 MB) takes ~ 90ms.   
let serializedUsers = JSON.stringify(Array.from(userMap.entries()))

/* Deserialize     
 * hydrating 100,000 user objects takes ~ 160ms :         
 *     JSON.Parse: 145.30ms    
 *     Build-Map: 16.80ms
 */
const deserializedUsers = JSON.parse(serializedUsers)  
userMap = new Map(deserializedUsers)

import { denoPlugins } from "jsr:@luca/esbuild-deno-loader@^0.11.0";
import { build, stop } from "npm:esbuild@0.24.0";

/** builds and bundles an entrypoint into a single ESM output. */
export async function buildIt() {
    await build({
        plugins: [...denoPlugins({})],
        entryPoints: ["./src/main.ts"],
        outfile: "./dist/bundle.js",
        bundle: true,
        minify: false,
        keepNames: true, 
        banner: { js: `// @ts-nocheck
// deno-lint-ignore-file`},
        format: "esm"
    }).catch((e: Error) => console.info(e));
    stop();
}

buildIt()
console.log('bundle.js was built!')

import { denoPlugins } from "jsr:@luca/esbuild-deno-loader@^0.11.0";
import { build, stop } from "npm:esbuild@0.24.0";

/** builds and bundles an entrypoint into a single ESM output. */
export async function buildIt() {
    await build({
        plugins: [...denoPlugins({})],
        entryPoints: ["./src/main.ts"],
        outfile: "./dist/bundle.js",
        bundle: true,
        minify: false,
        keepNames: true, 
        banner: { js: `// @ts-nocheck
// deno-lint-ignore-file`},
        format: "esm"
    }).catch((e: Error) => console.info(e));
    stop();
}

buildIt()
console.log('bundle.js was built!')