htmlcontent.php

<?php
namespace Bitrix\Main\Engine\Response;
 
use Bitrix\Main\Engine\Response\ContentArea\DataSectionInterface;
use Bitrix\Main\ErrorCollection;
use Bitrix\Main\Page\Asset;
use Bitrix\Main\Page\AssetMode;
use Bitrix\Main\Engine\Response\ContentArea\ContentAreaInterface;
 
class HtmlContent extends AjaxJson
{
    private $jsPathList = [];
    private $cssPathList = [];
 
    public function __construct(ContentAreaInterface $content, $status = self::STATUS_SUCCESS, ErrorCollection $errorCollection = null, array $additionalResponseParams = [])
    {
        $html = $content->getHtml();
 
        $this->collectAssetsPathList();
 
        $result = [
            'html' => $html,
            'assets' => [
                'css' => $this->getCssList(),
                'js' => $this->getJsList(),
                'string' => $this->getStringList()
            ],
            'additionalParams' => $additionalResponseParams,
        ];
        if($content instanceof DataSectionInterface)
        {
            $result[$content->getSectionName()] = $content->getSectionData();
        }
 
        parent::__construct($result, $status, $errorCollection);
 
        $this->addHeader('X-Process-Assets', 'assets');
    }
 
    final protected function collectAssetsPathList()
    {
        Asset::getInstance()->getCss();
        Asset::getInstance()->getJs();
        Asset::getInstance()->getStrings();
 
        $this->jsPathList = Asset::getInstance()->getTargetList('JS');
        $this->cssPathList = Asset::getInstance()->getTargetList('CSS');
    }
 
    final protected function getJsList()
    {
        $jsList = [];
        foreach($this->jsPathList as $targetAsset)
        {
            $assetInfo = Asset::getInstance()->getAssetInfo($targetAsset['NAME'], AssetMode::ALL);
            if (!empty($assetInfo['JS']))
            {
                $jsList = array_merge($jsList, $assetInfo['JS']);
            }
        }
 
        return $jsList;
    }
 
    final protected function getCssList()
    {
        $cssList = [];
        foreach ($this->cssPathList as $targetAsset)
        {
            $assetInfo = Asset::getInstance()->getAssetInfo($targetAsset['NAME'], AssetMode::ALL);
            if (!empty($assetInfo['CSS']))
            {
                $cssList = array_merge($cssList, $assetInfo['CSS']);
            }
        }
 
        return $cssList;
    }
 
    final protected function getStringList()
    {
        $stringList = [];
        foreach($this->cssPathList as $targetAsset)
        {
            $assetInfo = Asset::getInstance()->getAssetInfo($targetAsset['NAME'], AssetMode::ALL);
            if (!empty($assetInfo['STRINGS']))
            {
                $stringList = array_merge($stringList, $assetInfo['STRINGS']);
            }
        }
 
        foreach($this->jsPathList as $targetAsset)
        {
            $assetInfo = Asset::getInstance()->getAssetInfo($targetAsset['NAME'], AssetMode::ALL);
            if (!empty($assetInfo['STRINGS']))
            {
                $stringList = array_merge($stringList, $assetInfo['STRINGS']);
            }
        }
 
        $stringList[] = Asset::getInstance()->showFilesList();
 
        return $stringList;
    }
}