Update CLI

Author: Planeshifter

lib/node_modules/@stdlib/utils/parallel/bin/cli

@@ -22,128 +22,82 @@
 
 // MODULES //
 
-var fs = require( 'fs' );
-var path = require( 'path' );
-var parseArgs = require( 'minimist' );
-var notifier = require( 'update-notifier' );
-var pkg = require( './../package.json' );
-var opts = require( './opts.json' );
+var resolve = require( 'path' ).resolve;
+var readFileSync = require( '@stdlib/fs/read-file' ).sync;
+var CLI = require( '@stdlib/tools/cli' );
 var parallel = require( './../lib' );
 
 
 // FUNCTIONS //
 
 /**
-* Performs initialization tasks.
-*
-* @private
-* @example
-* init();
-*/
-function init() {
-	var opts;
-
-	// Check if newer versions exist for this package:
-	opts = {
-		'pkg': pkg
-	};
-	notifier( opts ).notify();
-
-	// Set the process title to allow the process to be more easily identified:
-	process.title = pkg.name;
-	process.stdout.on( 'error', process.exit );
-}
-
-/**
-* Prints usage information.
+* Callback invoked upon executing all scripts.
 *
 * @private
-* @example
-* help();
-* // => '...'
+* @param {Error} [error] - error object
+* @throws {Error} unexpected error
 */
-function help() {
-	var fpath = path.join( __dirname, 'usage.txt' );
-	fs.createReadStream( fpath )
-		.pipe( process.stdout )
-		.on( 'close', onClose );
-
-	function onClose() {
-		process.exit( 0 );
+function done( error ) {
+	if ( error ) {
+		throw error;
 	}
 }
 
-/**
-* Prints the package version.
-*
-* @private
-* @example
-* version();
-* // => '#.#.#'
-*/
-function version() {
-	var msg = pkg.version.toString()+'\n';
-	process.stdout.write( msg, 'utf8' );
-	process.exit( 0 );
-}
-
-
-// VARIABLES //
-
-var files;
-var args;
-
 
 // MAIN //
 
-init();
-
-// Parse command-line arguments:
-args = parseArgs( process.argv.slice( 2 ), opts );
-
-if ( args.help ) {
-	return help();
-}
-if ( args.version ) {
-	return version();
-}
-
-opts = {};
-if ( args.cmd ) {
-	opts.cmd = args.cmd;
-}
-if ( args.workers ) {
-	opts.workers = parseInt( args.workers, 10 );
-}
-if ( args.concurrency ) {
-	opts.concurrency = parseInt( args.concurrency, 10 );
-}
-if ( args.ordered ) {
-	opts.ordered = args.ordered;
-}
-if ( args.uid ) {
-	opts.uid = parseInt( args.uid, 10 );
-}
-if ( args.gid ) {
-	opts.gid = parseInt( args.gid, 10 );
-}
-if ( args.maxbuffer ) {
-	opts.maxBuffer = parseInt( args.maxbuffer, 10 );
-}
-files = args._;
-
-// Run main:
-parallel( files, opts, done );
-
 /**
-* Callback invoked upon executing all scripts.
+* Main execution sequence.
 *
 * @private
-* @param {Error} [error] - error object
-* @throws {Error} unexpected error
 */
-function done( error ) {
-	if ( error ) {
-		throw error;
+function main() {
+	var flags;
+	var args;
+	var opts;
+	var cli;
+
+	// Create a command-line interface:
+	cli = new CLI({
+		'pkg': require( './../package.json' ),
+		'options': require( './../etc/cli_opts.json' ),
+		'help': readFileSync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
+			'encoding': 'utf8'
+		})
+	});
+
+	// Get any command-line arguments:
+	args = cli.args();
+
+	// Get any command-line options:
+	flags = cli.flags();
+
+	opts = {};
+	if ( flags.cmd ) {
+		opts.cmd = flags.cmd;
+	}
+	if ( flags.workers ) {
+		opts.workers = parseInt( flags.workers, 10 );
+	}
+	if ( flags.concurrency ) {
+		opts.concurrency = parseInt( flags.concurrency, 10 );
+	}
+	if ( flags.ordered ) {
+		opts.ordered = flags.ordered;
 	}
+	if ( flags.uid ) {
+		opts.uid = parseInt( flags.uid, 10 );
+	}
+	if ( flags.gid ) {
+		opts.gid = parseInt( flags.gid, 10 );
+	}
+	if ( flags.maxbuffer ) {
+		opts.maxBuffer = parseInt( flags.maxbuffer, 10 );
+	}
+
+	// Run main:
+	parallel( args, opts, done );
 }
+
+main();
+