Assignment #1

assignment01.ts

import { args } from 'deno'
import { parse } from 'https://deno.land/x/flags/mod.ts'
import { serve } from 'https://deno.land/x/http/server.ts'

enum ErrorCode {
  NotFound = 400
}

const { p: port = 8080 } = parse(args)
const address = `0.0.0.0:${port}`

console.log(`listening on http://${address}`)
const s = serve(address)

async function main() {
  for await (const req of s) {
    let trimmedPath = req.url.replace(/^\/+|\/+$/g, '')

    if (trimmedPath === 'hello') {
      let body = new TextEncoder().encode(
        JSON.stringify({ message: 'hello world' })
      )
      let headers = new Headers()
      headers.set('content-type', 'application/json')
      req.respond({ headers, body })
    } else {
      let body = new TextEncoder().encode(
        JSON.stringify({ message: 'not found' })
      )
      let headers = new Headers()
      headers.set('content-type', 'application/json')
      req.respond({ status: ErrorCode.NotFound, headers, body })
    }
  }
}

main()

wonderful as always, thank you