dashy/server.js

75 lines
2.7 KiB
JavaScript

/* eslint-disable no-console */
/* This is a simple Node.js http server, that is used to serve up the contents of ./dist */
const connect = require('connect');
const serveStatic = require('serve-static');
const util = require('util');
const dns = require('dns');
const os = require('os');
require('./src/utils/ConfigValidator');
const isDocker = !!process.env.IS_DOCKER;
/* Checks env var for port. If undefined, will use Port 80 for Docker, or 4000 for metal */
const port = process.env.PORT || (isDocker ? 80 : 4000);
const getLocalIp = () => {
const dnsLookup = util.promisify(dns.lookup);
return dnsLookup(os.hostname());
};
const overComplicatedMessage = (ip) => {
let msg = '';
const chars = {
RESET: '\x1b[0m',
CYAN: '\x1b[36m',
GREEN: '\x1b[32m',
BLUE: '\x1b[34m',
BRIGHT: '\x1b[1m',
BR: '\n',
};
const stars = (count) => new Array(count).fill('*').join('');
const line = (count) => new Array(count).fill('━').join('');
const blanks = (count) => new Array(count).fill(' ').join('');
if (isDocker) {
const containerId = process.env.HOSTNAME || undefined;
msg = `${chars.BLUE}${stars(91)}${chars.BR}${chars.RESET}`
+ `${chars.CYAN}Welcome to Dashy! 🚀${chars.RESET}${chars.BR}`
+ `${chars.GREEN}Your new dashboard is now up and running `
+ `${containerId ? `in container ID ${containerId}` : 'with Docker'}${chars.BR}`
+ `${chars.GREEN}After updating your config file, run `
+ `'${chars.BRIGHT}docker exec -it ${containerId || '[container-id]'} yarn build`
+ `${chars.RESET}${chars.GREEN}' to rebuild${chars.BR}`
+ `${chars.BLUE}${stars(91)}${chars.BR}${chars.RESET}`;
} else {
msg = `${chars.GREEN}${line(75)}${chars.BR}`
+ `${chars.CYAN}Welcome to Dashy! 🚀${blanks(55)}${chars.GREEN}${chars.BR}`
+ `${chars.CYAN}Your new dashboard is now up and running at ${chars.BRIGHT}`
+ `http://${ip}:${port}${chars.RESET}${blanks(18 - ip.length)}${chars.GREEN}${chars.BR}`
+ `${chars.CYAN}After updating your config file, run '${chars.BRIGHT}yarn build`
+ `${chars.RESET}${chars.CYAN}' to rebuild the app${blanks(6)}${chars.GREEN}${chars.BR}`
+ `${line(75)}${chars.BR}${chars.BR}`;
}
return msg;
};
/* eslint no-console: 0 */
const printWelcomeMessage = () => {
getLocalIp().then(({ address }) => {
const ip = address || 'localhost';
console.log(overComplicatedMessage(ip));
});
};
try {
connect()
.use(serveStatic(`${__dirname}/dist`))
.use(serveStatic(`${__dirname}/public`, { index: 'default.html' }))
.listen(port, () => {
try { printWelcomeMessage(); } catch (e) { console.log('Dashy is Starting...'); }
});
} catch (error) {
console.log('Sorry, an error occurred ', error);
}