<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

class MinifyHtml
{

    public function handle($request, Closure $next)
    {
        $response = $next($request);

        if (str_contains($response->headers->get('Content-Type'), 'text/html')) {
            $content = $response->getContent();

            $minify = preg_replace([
                '/>\s+/s',     // espacios después de tags
                '/\s+</s',     // espacios antes de tags
                '/(\s)+/s'     // múltiples espacios
            ], [
                '>',
                '<',
                '\\1'
            ], $content);

            $response->setContent($minify);
        }

        return $response;
    }
}