fix: Exit with code 1 on error

README.md

@@ -1,12 +1,12 @@
-# Lyo
+![Lyo](https://i.imgur.com/nt5bYNJ.png)
 
-[![Npm version](https://badgen.net/npm/v/lyo)](https://npmjs.com/package/lyo)
+> Node.js to browser. The easy way
+
+[![Npm version](https://runkit.io/bokub/npm-version/branches/master/lyo)](https://npmjs.com/package/lyo)
 [![Build status](https://badgen.net/travis/bokub/lyo)](https://travis-ci.org/bokub/lyo)
-[![Build status](https://badgen.net/codecov/c/github/bokub/lyo)](https://codecov.io/gh/bokub/lyo)
+[![Code coverage](https://badgen.net/codecov/c/github/bokub/lyo)](https://codecov.io/gh/bokub/lyo)
 [![XO code style](https://badgen.net/badge/code%20style/XO/5ed9c7)](https://github.com/xojs/xo)
 
-> Node.js to browser. The easy way
-
 Lyo is the easiest way to publish Node.js modules as browser-compatible libraries.
 
 No decision-making, no configuration needed, it just works!

bin/cli.js

@@ -35,7 +35,11 @@ switch (cli.input[0]) {
 		init(cli.flags);
 		break;
 	case 'usage':
-		usage.getUsage(cli.flags);
+		try {
+			usage.getUsage(cli.flags);
+		} catch (err) {
+			process.exit(1);
+		}
 		break;
 	case undefined:
 		lyo(cli.flags);

index.js

@@ -20,6 +20,7 @@ function lyo(flags) {
 		.then(() => display.succeed(opts))
 		.catch(err => {
 			display.fail(err);
+			process.exit(1);
 		});
 }
 

lib/display.js

@@ -9,7 +9,7 @@ function succeed() {
 
 function fail(err) {
 	console.error(chalk.red('\nLyo encountered an error\n'));
-	console.error(err);
+	console.error(err + '\n');
 }
 
 function options(opts) {

lib/task.js

@@ -20,7 +20,7 @@ const runBrowserify = opts => new Promise((resolve, reject) => {
 		resolve(result);
 	}).catch(err => {
 		spinner.fail();
-		reject(err);
+		reject(err.message);
 	});
 });
 

lib/usage.js

@@ -1,3 +1,6 @@
+#!/usr/bin/env node
+'use strict';
+
 const path = require('path');
 
 const chalk = require('chalk');
@@ -10,13 +13,8 @@ const pkg = require(path.join(process.cwd(), 'package.json'));
 function getUsage(flags) {
 	const opts = parseOptions(flags, pkg);
 	display.options(opts);
-	let signature = '';
-	try {
-		signature = getModuleSignature(opts);
-	} catch (err) {
-		display.fail(err.message);
-		return;
-	}
+	const signature = getModuleSignature(opts);
+
 	printUsage(opts, signature);
 }
 
@@ -44,6 +42,7 @@ function getModuleSignature(opts) {
 		module = require(path.resolve(opts.input));
 	} catch (err) {
 		if (err.code === 'MODULE_NOT_FOUND') {
+			display.fail(err.message);
 			throw err;
 		}
 		return '';