| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title></title> | |
| <style type="text/css"> | |
| svg { | |
| background-color: #ccc; | |
| border: 1px solid silver; | |
| position: relative; | |
| display: block; |
| const express = require('express'); | |
| var proxy = require('express-http-proxy'); | |
| const cheerio = require('cheerio'); | |
| const nunjucks = require('nunjucks'); | |
| const host = 'http://hostname-or-ip/'; | |
| var app = express(); | |
| // some engine to serve own pages, not strictly necessary | |
| nunjucks.configure('templates', { |
With Node you can write very fast JavaScript programs serverside. It's pretty easy to install Node, code your program, and run it. But > how do you make it run nicely in the background like a true server?
/etc/init/$ sudo vim yourapp.conf$ sudo init-checkconf -d /etc/init/script.conf$ sudo start yourapp$ sudo stop yourapp
| let pbar = document.createElement('div'); | |
| pbar.classList.add('progress'); | |
| document.body.append(pbar); | |
| let st = document.createElement('style'); | |
| st.innerText=` | |
| .progress { | |
| width: calc(100vw - 20px); | |
| margin: 10px; height: 10px; | |
| border-radius: 5px; | |
| background-color: silver; |
| // input format | |
| let input = '2x(1m:5s) 2x(3x(2m:1s) 3m:2s 4x(2m:2s)) 20s 3m 3s'; | |
| // recursive splitter/parser | |
| let splitter = s=>s.split('').reduce((parse, char, idx, arr)=>{ | |
| if (parse.depth>0){ | |
| if (char==')'){ | |
| parse.depth--; | |
| if (parse.depth) | |
| parse.group+=char; |
| const noble = require('noble'); | |
| const SERVICE_UUID = '06aa1910f22a11e39daa0002a5d5c51b'; | |
| const TEMPERATURE = {low: '01', medium: '00', high: '02'}; | |
| const VOLUME = {ristretto: '00', espresso: '01', lungo: '02', americano: '04', hotwater: '05', recipe: '07'}; | |
| let brew_cmd = (vol, t)=>`0305070400000000${TEMPERATURE[t]}${VOLUME[vol]}`; | |
| let process_char = char=>{ | |
| if (char.uuid=='06aa3a41f22a11e39daa0002a5d5c51b') | |
| { | |
| char.write(Buffer.from(AUTH_KEY, 'hex')); |