@deveckad/snakegame/server.js

The snake game.

#!/usr/bin/env node

// const express = require('express')
// const socketio = require('socket.io')
// const open = require('open')
// const http = require('http')
// const path = require('path')
// const inquirer = require('inquirer')
// const fs = require('fs')
// const app = express()
// const server = http.createServer(app)
// const io = socketio(server)
// const port = process.env.PORT || 8000

import express from 'express'
import { Server } from 'socket.io'
import open from 'open'
import { createServer } from 'http'
import { join, dirname } from 'path'
import inquirer from 'inquirer'
import fs from 'fs'
import os from 'os'
import { fileURLToPath } from 'url'

const __dirname = dirname(fileURLToPath(import.meta.url))
const app = express()
const server = createServer(app)
// const io = socketio(server)
const io = new Server(server)
const port = process.env.PORT || 8000
const dev = false
const homedir = os.homedir()
const snakedir = join(homedir, '.snakegame')
const scorefile = join(snakedir, 'hiscore.txt')

await askToOpenURL()

async function askToOpenURL() {
	if (dev) {
		return handleOpenURL(false)
	}
	const answers = await inquirer.prompt({
		name: 'open_url',
		type: 'list',
		message: 'Do you want to open the app in web browser?',
		choices: ['Yes', 'No']
	})

	return handleOpenURL(answers.open_url == 'Yes')
}

async function handleOpenURL(openURL) {
	app.use(express.static(join(__dirname, 'public')))

	server.listen(port, () => {
		if (openURL) {
			open(`http://localhost:${port}`)
		}
		console.log(`Listening on port ${port}`)
	})
}

io.on('connection', (socket) => {
	if (!fs.existsSync(snakedir)) {
		fs.mkdirSync(
			snakedir //, err => {
			//         if (err) {
			//            err.printStackTrace();
			//         }
			//     })
			// }
		)
	}

	if (!fs.existsSync(scorefile)) {
		fs.writeFileSync(
			scorefile,
			JSON.stringify({
				score: -1,
				name: ''
			})
		)
	}

	socket.on('gethiscore', () => {
		socket.emit('rethiscore', JSON.parse(fs.readFileSync(scorefile)))
	})

	socket.on('newhiscore', (data) => {
		var { score, name } = JSON.parse(data)
		fs.writeFileSync(
			scorefile,
			JSON.stringify({
				score,
				name
			})
		)
	})
})