gulpfile.js

var gulp = require( "gulp" );
var fileImports = require( "gulp-imports" );
var header = require( "gulp-header" );
var beautify = require( "gulp-beautify" );
var hintNot = require( "gulp-hint-not" );
var uglify = require( "gulp-uglify" );
var rename = require( "gulp-rename" );
var plato = require( "gulp-plato" );
var gutil = require( "gulp-util" );
var express = require( "express" );
var path = require( "path" );
var pkg = require( "./package.json" );
var open = require( "open" );
var port = 3080;

var banner = [ "/**",
	" * <%= pkg.name %> - <%= pkg.description %>",
	" * Author: <%= pkg.author %>",
	" * Version: v<%= pkg.version %>",
	" * Url: <%= pkg.homepage %>",
	" * License(s): <% pkg.licenses.forEach(function( license, idx ){ %><%= license.type %><% if(idx !== pkg.licenses.length-1) { %>, <% } %><% }); %>",
	" */",
	""
].join( "\n" );

gulp.task( "combine", [ "combine.postal" ] );

gulp.task( "combine.postal", function() {
	return gulp.src( [ "./src/postal.linked-channels.js" ] )
		.pipe( header( banner, {
			pkg: pkg
		} ) )
		.pipe( fileImports() )
		.pipe( hintNot() )
		.pipe( beautify( {
			indentSize: 4,
			preserveNewlines: false
		} ) )
		.pipe( gulp.dest( "./lib/" ) )
		.pipe( uglify( {
			compress: {
				negate_iife: false
			}
		} ) )
		.pipe( header( banner, {
			pkg: pkg
		} ) )
		.pipe( rename( "postal.linked-channels.min.js" ) )
		.pipe( gulp.dest( "./lib/" ) );
} );

gulp.task( "default", [ "combine" ] );

gulp.task( "report", function() {
	return gulp.src( "./lib/postal.linked-channels.js" )
		.pipe( plato( "report" ) );
} );

var createServer = function( port ) {
	var p = path.resolve( "./" );
	var app = express();
	app.use( express.static( p ) );
	app.listen( port, function() {
		gutil.log( "Listening on", port );
	} );

	return {
		app: app
	};
};

var servers;

gulp.task( "server", [ "combine", "report" ], function() {
	if ( !servers ) {
		servers = createServer( port );
	}
	open( "http://localhost:" + port + "/index.html" );
} );