Laravel Blade directive for FontAwesome icons.

BladeServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Blade;
use Illuminate\Support\ServiceProvider;

class BladeServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap the application services.
     *
     * @return void
     */
    public function boot()
    {
        Blade::directive('fa', function ($expression) {
            return sprintf('<span aria-hidden="true" class="fa fa-fw fa-%s"></span>', trim($expression, "'"));
        });
    }
}

Usage: @fa('chevron-left')