stylistPublishMix.js
var gulp = require("gulp");
var shell = require('gulp-shell');
var elixir = require("laravel-elixir");
elixir.extend("stylistPublish", function() {
gulp.task("stylistPublish", function() {
gulp.src("").pipe(shell("php ../../artisan stylist:publish"));
});
return this.queueTask("stylistPublish");
});