webpackbuilder.php

<?php
 
namespace Bitrix\Landing\Assets;
 
use Bitrix\Landing\Landing;
use Bitrix\Main;
 
class WebpackBuilder extends Builder
{
    protected const PACKAGE_CRITICAL_NAME = 'landing_grid';
 
    protected $criticalResources;
    protected $normalizedCriticalResources = [];
 
    protected $webpackFile;
 
    public function __construct(ResourceCollection $resources)
    {
        parent::__construct($resources);
        $this->criticalResources = new ResourceCollection();
    }
 
    protected function normalizeResources(): void
    {
        $this->normalizeCriticalResources();
        $this->normalizeBaseResources();
    }
 
    // todo: normalize lang in critical (like standartbuilder)
    protected function normalizeCriticalResources(): void
    {
        $this->criticalResources = $this->resources->getSliceByLocation(Location::LOCATION_BEFORE_ALL);
        $this->normalizedCriticalResources = $this->criticalResources->getNormalized();
    }
 
    protected function normalizeBaseResources(): void
    {
        $this->resources->remove($this->criticalResources->getPathes());
        $this->normalizedResources = $this->resources->getNormalized();
    }
 
    public function setOutput(): void
    {
        if ($this->resources->isEmpty())
        {
            return;
        }
 
        $this->normalizeResources();
 
        $this->buildFile();
 
        $this->setCriticalOutput();
        $this->setBaseOutput();
        $this->setStrings();
    }
 
    protected function buildFile(): void
    {
        $this->webpackFile = new WebpackFile();
        $this->webpackFile->setLandingId($this->landingId);
        $this->webpackFile->setPackageHash($this->createPackageHash());
 
        $this->fillPackageWithResources();
 
        $this->webpackFile->build();
    }
 
    protected function fillPackageWithResources(): void
    {
        foreach (Types::getAssetTypes() as $type)
        {
            if (array_key_exists($type, $this->normalizedResources))
            {
                if($type === Types::TYPE_LANG)
                {
                    $this->webpackFile->setUseLang();
                }
                foreach ($this->normalizedResources[$type] as $resource)
                {
                    $this->webpackFile->addResource($resource);
                }
            }
        }
    }
 
    protected function setCriticalOutput(): void
    {
        $this->initResourcesAsJsExtension($this->normalizedCriticalResources, self::PACKAGE_CRITICAL_NAME);
    }
 
    protected function setBaseOutput(): void
    {
        Main\Page\Asset::getInstance()->addString($this->webpackFile->getOutput());
    }
 
    protected function createPackageHash(): string
    {
        // List can be different with equal assets, because is depends on the order of adding assets. Unique and sort them!
        $list = [];
        foreach ($this->normalizedResources as $type => $resources)
        {
            foreach ($resources as $resource)
            {
                $list[] = $resource;
            }
        }
        $list = array_unique($list);
        sort($list);
 
        $list[] = 'version_' . Main\ModuleManager::getVersion('landing');
        $list[] = 'lid_' . $this->landingId;
        $list[] = Landing::getPreviewMode() ? 'previewMode' : 'publicMode';
 
        return substr(md5(serialize($list)), 0, 10);
    }
}