index.js

/* index.js */

import { Application } from 'https://deno.land/x/oak@v6.5.1/mod.ts'
import { Handlebars } from 'https://deno.land/x/handlebars/mod.ts'
import { parse } from 'https://deno.land/std/flags/mod.ts'

import router from './routes.js'

Deno.env.delete('MODE') // clear the test mode if set

const defaultPort = 8080
const { args } = Deno
const argPort = parse(args).port
const port = argPort ? Number(argPort) : defaultPort

const app = new Application()
const handle = new Handlebars({ 
	defaultLayout: '',
	helpers: {
		compare: function(a, b, options) {
			if(a === b) {
				return options.fn(this)
			} else {
				return options.inverse(this)
			}
		}
	}
})

// error handler
app.use(async (context, next) => {
  try {
	// console.log(context.request.url.href)
	const authorised = context.cookies.get('authorised')
	// console.log(`authorised cookie: ${authorised}`)
    await next()
  } catch (err) {
	console.log(err)
  }
})

app.use(router.routes())
app.use(router.allowedMethods())

// static content
app.use(async (context, next) => {
	const root = `${Deno.cwd()}/public`
	try {
		await context.send({ root })
	} catch {
		next()
	}
})

// page not found
app.use( async context => {
	try {
		console.log('404 PAGE NOT FOUND')
		const body = await handle.renderView('404')
		context.response.body = body
// 		context.response.body = '404 PAGE NOT FOUND'
	} catch(err) {
		console.error(err)
	}
})

app.addEventListener('listen', ({ port }) => {
	console.log(`listening on port: ${port}`)
})

await app.listen({ port })