Show CLI help on unknown command. Switching to chalk

Author: raphaelokon

bin/patternlab.js

@@ -1,20 +1,20 @@
 #!/usr/bin/env node
 'use strict';
 const cli = require('commander');
-const checkArgs = require('./check-args');
 const build = require('./cli-actions/build');
 const help = require('./cli-actions/help');
 const init = require('./cli-actions/init');
 const exportPatterns = require('./cli-actions/export');
 const serve = require('./cli-actions/serve');
+const error = require('./utils').error;
 const log = require('./utils').log;
 const pkg = require('../package.json');
 
 // Register error logging
 log.on('patternlab.error', err => console.log(err)); // eslint-disable-line
 
 // Conditionally register verbose logging
-const checkVerbose = verbose => log.on('patternlab.debug', msg => console.log(msg)); // eslint-disable-line
+const verboseLogs = verbose => log.on('patternlab.debug', msg => console.log(msg)); // eslint-disable-line
 
 /**
  * Hook up cli version, usage and options
@@ -23,9 +23,8 @@ cli
 	.version(pkg.version, '-V, --version')
 	.usage('<cmd> [options]')
 	.arguments('<cmd> [options]')
-	.action(checkArgs)
 	.option('-c, --config <path>', 'Specify config file. Default looks up the project dir', val => val.trim(), './patternlab-config.json')
-	.option('-v, --verbose', 'Show verbose logging', checkVerbose);
+	.option('-v, --verbose', 'Show verbose console logs', verboseLogs)
 
 /**
  * build
@@ -72,6 +71,14 @@ cli
 // Show additional help
 cli.on('--help', help);
 
-// Parse at the end because Node emit is immediate
-cli.parse(process.argv);
+/**
+ * Catch all unsupported commands and delegate to the cli's help
+ * Parse at the end because Node emit is immediate
+ */
+cli
+	.on('*', () => {
+		error('Invalid command provided. See the help for available commands/options.');
+		cli.help();
+	})
+	.parse(process.argv);
 

bin/utils.js

@@ -3,7 +3,7 @@ const fs = require('fs-promise');
 const spawn = require('execa');
 const glob = require('glob');
 const path = require('path');
-const colors = require('colors');
+const chalk = require('chalk');
 const EventEmitter = require('events').EventEmitter;
 
 /**
@@ -13,13 +13,10 @@ const EventEmitter = require('events').EventEmitter;
  */
 const log = Object.assign({
 	debug(msg) {
-		this.emit('patternlab.debug', colors.green(msg));
-	},
-	info(msg) {
-		this.emit('patternlab.info', colors.orange(msg));
+		this.emit('patternlab.debug', `${chalk.cyan('⊙ patternlab →')} ${chalk.dim(msg)}`);
 	},
 	error(msg) {
-		this.emit('patternlab.error', colors.red(msg));
+		this.emit('patternlab.error', `${chalk.red('⊙ patternlab →')} ${chalk.dim(msg)}`);
 	}
 }, EventEmitter.prototype);
 

package.json

@@ -13,7 +13,7 @@
     "archiver": "1.3.0",
     "browser-sync": "2.18.8",
     "bs-html-injector": "3.0.3",
-    "colors": "1.1.2",
+    "chalk": "1.1.3",
     "commander": "2.9.0",
     "execa": "0.6.1",
     "fs-promise": "2.0.0",