Fousky\JSBlockBundle\Twig\JSBlockExtension

Complexity

Total Complexity

5

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	getTokenParsers()	0	6	1
A	render()	0	4	1
A	start()	0	9	2
A	stop()	0	6	1

<?php declare(strict_types = 1);

namespace Fousky\JSBlockBundle\Twig;

use Fousky\JSBlockBundle\Twig\TokenParser\JSTokenParser;
use Twig\Extension\AbstractExtension;

class JSBlockExtension extends AbstractExtension
{
    /** @var array $collected */
    protected $collected = [];

    /** @var bool $lock */
    protected $lock = false;

    public function getTokenParsers(): array
    {
        return [
            new JSTokenParser(), // {% jsblock %}
        ];
    }

    public function render(): string
    {
        return implode("\n    ", $this->collected)."\n";
    }

    public function start(): void
    {
        if ($this->lock) {
            throw new \BadFunctionCallException('Cannot use {% jsblock \'start\' %} inside multiple nesting level.');
        }

        $this->lock = true;
        \ob_start();
    }

    public function stop(): void
    {
        $data = \ob_get_clean();
        $this->lock = false;
        $this->collected[] = $data;
    }
}