cli.js

#!/usr/bin/env node
'use strict';
const meow = require('meow');
const logSymbols = require('log-symbols');
const updateNotifier = require('update-notifier');

const pkg = require('./package.json');
const errorNotifier = require('./lib/error-notifier');

const cli = meow(`
	Usage
	  $ onerror <command> [options]

	Options
	  --title,   -t   Sets the title of the notification.
	                  Default: "An error has occured"
	  --message, -m   Sets the message body of the notification.
	                  Default: "Check the terminal for more information"
	  --icon,    -i   Sets an icon. Can be any absolute path.
	  --sound,   -s   Defines which sound to use.
	                  Use "mute" to disable default sound notification.
	                  Options: Mute, Basso, Blow, Bottle, Frog, Funk, Glass, Hero,
	                           Morse, Ping, Pop, Purr, Sosumi, Submarine, Tink
	                  Default: Bottle
	  --error    -e   A JavaScript code string to customize the content of the
	                  \${error} variable e.g. "error.stderr.substr(0, 9) + '...'"
                    Default: "error.toString()"
	  --version  -v   Displays the version number.
	  --help     -h   Displays the help.

	Examples
	  $ onerror "wget unknown-host.xyz"
	  $ onerror "wget unknown-host.xyz" -s mute
	  $ onerror "wget unknown-host.xyz" -t Error -m "My error message"
	  $ onerror "wget unknown-host.xyz"  -s Glass -i https://cdn.rawgit.com/npm/logos/31945b5c/npm%20square/n-64.png
`, {
	alias: {
		h: 'help',
		v: 'version'
	},
	flags: {
		title: {
			type: 'string',
			alias: 't'
		},
		message: {
			type: 'string',
			alias: 'm'
		},
		icon: {
			type: 'string',
			alias: 'i'
		},
		sound: {
			type: 'string',
			alias: 's'
		},
		error: {
			type: 'string',
			alias: 'e'
		}
	}
});

updateNotifier({pkg}).notify();

if (cli.input.length === 0 && cli.flags.v === true) {
	cli.showVersion();
}

if (cli.input.length === 0 && cli.flags.h === true) {
	cli.showHelp(0);
}

if (cli.input.length !== 1) {
	console.log(`\n${logSymbols.error} Invalid input. Please check the help below:`);
	cli.showHelp();
}

if (Object.keys(cli.flags).map(key => typeof cli.flags[key]).some(type => type === 'boolean')) {
	console.log(`\n${logSymbols.error} Wrong option(s) provided. Please check the help below:`);
	cli.showHelp();
}

errorNotifier(cli.input[0], cli.flags)
	.catch(error => {
		process.exit(error.code);
	});