system.js

#!/usr/bin/env node

import si from 'systeminformation';
import ora from 'ora';
import chalk  from 'chalk';
import moment from 'moment';
import updateNotifier from 'update-notifier';
import { readFileSync } from 'fs';
const packageJSON = JSON.parse(readFileSync(new URL("./package.json", import.meta.url)));

updateNotifier({pkg: packageJSON}).notify();

// JavaScript To Convert Bytes To MB, KB, Etc - https://gist.github.com/lanqy/5193417
function bytesToSize(bytes) {
	const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']
	if (bytes === 0) return 'n/a'
	const i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)), 10)
	if (i === 0) return `${bytes} ${sizes[i]}`
	return `${(bytes / (1024 ** i)).toFixed(1)} ${sizes[i]}`
}

async function go() {

	const spinner = new ora({
		text: 'Fetching your System Data',
		spinner: 'hamburger'
	});

	spinner.start();

	setTimeout(() => {
		spinner.color = 'yellow';
		spinner.text = 'Successfully Fetched the System Data';
	}, 1000);

	try {
		await new Promise(resolve => setTimeout(resolve, 2000));
		const dataos = await si.osInfo();
		const datacpu = await si.cpu();
		const datamem = await si.mem();
		const datadisk = await si.fsSize();
		const datatime = await si.time();
		var sysos = dataos;
		var syscpu = datacpu;
		var sysmem = datamem;
		var sysdisk = datadisk;
		var systime = datatime;
		spinner.stop();
		console.log('\n');
		console.log(chalk.blueBright('---------------------------'));
		console.log(chalk.cyanBright('Platform: ' + sysos.platform));
		console.log(chalk.cyanBright('Distro: ' + sysos.distro));
		if (sysos.codename == 0) {
			console.log(chalk.cyanBright('CODE: n/a'));
		} else {
			console.log(chalk.cyanBright('CODE: ' + sysos.codename));
		}
		console.log(chalk.cyanBright('Version: ' + sysos.release));
		console.log(chalk.cyanBright('Kernel: ' + sysos.kernel));
		if (sysos.build == 0) {
			console.log(chalk.cyanBright('Build: n/a'));
		} else {
			console.log(chalk.cyanBright('Build: ' + sysos.build));
		}
		console.log(chalk.cyanBright('Architecture: ' + sysos.arch));
		console.log(chalk.blueBright('---------------------------'));
		console.log(chalk.magentaBright('Brand: ' + syscpu.brand));
		console.log(chalk.magentaBright('Manufacturer: ' + syscpu.manufacturer));
		console.log(chalk.magentaBright('Cores: ' + syscpu.cores));
		console.log(chalk.magentaBright('Processors: ' + syscpu.processors));
		console.log(chalk.blueBright('---------------------------'));
		console.log(chalk.yellowBright('Total Memory: ' + (bytesToSize(sysmem.total))));
		console.log(chalk.yellowBright('Free Memory: ' + (bytesToSize(sysmem.free))));
		console.log(chalk.yellowBright('Used Memory: ' + (bytesToSize(sysmem.used))));
		console.log(chalk.yellowBright('Active Memory: ' + (bytesToSize(sysmem.active))));
		console.log(chalk.yellowBright('Available Memory: ' + (bytesToSize(sysmem.available))));
		console.log(chalk.yellowBright('Total Swap Memory: ' + (bytesToSize(sysmem.swaptotal))));
		console.log(chalk.yellowBright('Total Swap Memory Used: ' + (bytesToSize(sysmem.swapused))));
		console.log(chalk.yellowBright('Free Swap Memory: ' + (bytesToSize(sysmem.swapfree))));
		console.log(chalk.blueBright('---------------------------'));
		sysdisk.forEach((disk) => {
			console.log(chalk.whiteBright('Disk Size: ' + (bytesToSize(disk.size))));
			console.log(chalk.whiteBright('Disk used: ' + (bytesToSize(disk.used))));
			console.log(chalk.whiteBright('Disk Usage: ' + disk.use + '%'));
			console.log(chalk.whiteBright('Location: ' + disk.fs));
			console.log(chalk.blueBright('---------------------------'));
		});
		console.log(chalk.greenBright('Time Zone: ' + systime.timezone));
		console.log(chalk.greenBright('Time Zone Name: ' + systime.timezoneName));
		console.log(chalk.greenBright('Current Time: ' + (moment(systime.current).format('LLLL'))));
		console.log(chalk.blueBright('---------------------------'));
		console.log('\n');

	} catch (e) {
		spinner.stop();
		console.log(e)
	}
}

go();