Gulp api and layouts server

gulpFile-runServers.js

'use strict'
var gulp = require('gulp')
    , forever = require('forever-monitor')
    , livereload = require('gulp-livereload')
    , paths = require('./paths')
    , _ = require('lodash')
;

/* Specifies the ports for local server dev */
var localPorts = { layoutsServer: 1234, apiServer: 2345 };

/**
 * Automatically re-build project common modules when files are changed
 */
gulp.task('DEV WATCH(templates,common,css)|BUILD', function() {
    // a bunch of watch tasks
    // eg: gulp.watch(paths.ravenScripts, {read:false} , ['BUILD concat.raven.js']);
});

/**
 *  Starts nodejs servers to serve layout and api
 *  watches the *-dist.html and executes a reload
 */
gulp.task('DEV START.servers'
    ,[  'DEV START.api.server'
        ,'DEV START.layouts.server'
        ,'DEV START.livereload.server'
        ]
    , function(){
    return gulp.watch(
        [ paths.localDevLayoutsDirFiles , paths.appModuleScripts ]
        , {read:false}
        , _.debounce(function(){
            gulp.src('app/index.html')
                .pipe(livereload());
        },50)
    );
});

/**
 * Starts a local UI server.
 * - Serves the html pages and proxies the api calls to a local api stub server
 */
gulp.task('DEV START.layouts.server', function() {
    let child = new (forever.Monitor)(paths.localDevDir + 'appServer.js',{
            args: ['--port='+ localPorts.layoutsServer
                ,'--apiPort='+ localPorts.apiServer
                , '--enableLiveReload']
            , watch:true
            , watchDirectory: paths.localDevDir
            , max:2
            , killTree: true
        })
        .start();

    // Force terminate process hierarchy on windows when pressing CTRL-C
    process.once('SIGINT',function(){
        child.stop();
    });
});

/**
 * Starts a local api server.
 * - Mimics the final api when developing locally
 */
gulp.task('DEV START.api.server', function() {
        let child = new (forever.Monitor)(paths.localDevDir + 'apiServer.js',{
            args: ['--port='+ localPorts.apiServer, '--responseDelay=' + 500 ]
            , watch:true
            , watchDirectory: paths.localDevDir
            , max:5
            , killTree: true
        })
        .start();

    // Force terminate process hierarchy on windows when pressing CTRL-C
    process.once('SIGINT',function(){
        child.stop();
    });
});

/**
 * Starts a live reload server to refresh the browser when things change
 */
gulp.task('DEV START.livereload.server',function(){
    return livereload.listen();
});