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<?php
namespace Bitrix\Main\Web\WebPacker;
/**
* Class Loader
*
* @package Bitrix\Main\Web\WebPacker
*/
class Loader
{
/** @var Output\File */
protected $file;
protected $cacheTtl = 60;
protected $skipMoving = false;
protected $tagAttributes = [];
/**
* Loader constructor.
*
* @param Output\File $file File output instance.
*/
public function __construct(Output\File $file)
{
$this->file = $file;
}
/**
* Set cache ttl.
*
* @param int $cacheTtl Ttl in seconds.
* @return $this
*/
public function setCacheTtl($cacheTtl)
{
$this->cacheTtl = (int) $cacheTtl;
return $this;
}
/**
* Set skip moving.
*
* @param bool $skip Skip moving.
* @return $this
*/
public function setSkipMoving($skip)
{
$this->skipMoving = (bool) $skip;
return $this;
}
/**
* Set tag attributes.
*
* @param array $tagAttributes Tag attributes.
* @return $this
*/
public function setTagAttributes(array $tagAttributes = [])
{
$this->tagAttributes = $tagAttributes;
return $this;
}
/**
* Return loader file url.
*
* @return string
*/
public function getFileUrl()
{
return $this->file->getUri();
}
/**
* Return loader string.
*
* @return string
*/
public function getString()
{
$content = $this->getStringJs();
$attributes = $this->tagAttributes;
if ($this->skipMoving)
{
$attributes['data-skip-moving'] = 'true';
}
$attrs = '';
foreach ($attributes as $key => $value)
{
$attrs .= " " . htmlspecialcharsbx($key) . '="'
. htmlspecialcharsbx($value) . '"';
}
return <<<EOD
<script{$attrs}>
$content
</script>
EOD;
}
/**
* Return loader js string.
*
* @return string
*/
public function getStringJs()
{
$path = $this->file->getUri();
if (!$path)
{
return '';
}
$ttl = ($this->cacheTtl ?: 1) * 1000;
return
<<<EOD
(function(w,d,u){
var s=d.createElement('script');s.async=true;s.src=u+'?'+(Date.now()/$ttl|0);
var h=d.getElementsByTagName('script')[0];h.parentNode.insertBefore(s,h);
})(window,document,'$path');
EOD;
}
}