composer dump-autoload を自動で実行するやーつ

gulpfile.js

var elixir = require('laravel-elixir');
var gulp = require('gulp');
// npm install --save-dev gulp-shell
var shell = require('gulp-shell');

/*
 |--------------------------------------------------------------------------
 | Elixir Asset Management
 |--------------------------------------------------------------------------
 |
 | Elixir provides a clean, fluent API for defining some basic Gulp tasks
 | for your Laravel application. By default, we are compiling the Less
 | file for our application, as well as publishing vendor resources.
 |
 */

elixir(function(mix) {
    mix.less('app.less');
});

gulp.task('watch',function(){
    gulp.watch(['*.php'],function(event){
        if(event.type === "added"){
            console.log(event.path+' added');
            shell('composer dump-autoload');
        }else if( event.type === 'deleted'){
            console.log(event.path+' deleted');
            shell('composer dump-autoload');
        }
    });
    // routes.phpが変更されたら php artisan route:cacheを実行
    gulp.watch(['**/routes.php'], function(event){
        console.log('routes.phpに変更が有りました');
        shell('php artisan route:cache');
    });
});