ACP2E-682: [Magento Cloud] - Add to cart button translation reverts back to English after clicking

 - Fixed the solution part when deploy strategy mode is compact.
 - Added the test coverage based on the solution part.

Author: devarul

app/code/Magento/Translation/Model/Js/PreProcessor.php

@@ -7,11 +7,14 @@
 
 namespace Magento\Translation\Model\Js;
 
+use Magento\Deploy\Console\DeployStaticOptions;
 use Magento\Framework\App\AreaList;
 use Magento\Framework\TranslateInterface;
 use Magento\Framework\View\Asset\File\FallbackContext;
 use Magento\Framework\View\Asset\PreProcessor\Chain;
 use Magento\Framework\View\Asset\PreProcessorInterface;
+use Symfony\Component\Console\Input\ArgvInput;
+use Magento\Deploy\Strategy\DeployStrategyFactory;
 
 /**
  * PreProcessor responsible for replacing translation calls in js files to translated strings
@@ -40,16 +43,27 @@ class PreProcessor implements PreProcessorInterface
      */
     protected $areasThemesLocales = [];
 
+    /**
+     * @var ArgvInput
+     */
+    private $input;
+
     /**
      * @param Config $config
      * @param AreaList $areaList
      * @param TranslateInterface $translate
+     * @param ArgvInput $input
      */
-    public function __construct(Config $config, AreaList $areaList, TranslateInterface $translate)
-    {
+    public function __construct(
+        Config $config,
+        AreaList $areaList,
+        TranslateInterface $translate,
+        ArgvInput $input
+    ) {
         $this->config = $config;
         $this->areaList = $areaList;
         $this->translate = $translate;
+        $this->input = $input;
     }
 
     /**
@@ -74,7 +88,11 @@ public function process(Chain $chain)
             $area = $this->areaList->getArea($areaCode);
             $area->load(\Magento\Framework\App\Area::PART_TRANSLATE);
 
-            $chain->setContent($this->translate($chain->getContent()));
+            if (!$this->isCheckStrategyCompact()) {
+                $chain->setContent($this->translate($chain->getContent()));
+            } else {
+                $chain->setContent($chain->getContent());
+            }
         }
     }
 
@@ -120,4 +138,24 @@ public function loadTranslationDataBasedOnThemesAndLocales(FallbackContext $cont
             $this->translate->loadData($context->getAreaCode(), false);
         }
     }
+
+    /**
+     * Check deploy argument strategy is compact.
+     *
+     * @return bool
+     */
+    public function isCheckStrategyCompact(): bool
+    {
+        $isCompact = false;
+        $isStrategy = $this->input->hasParameterOption('--' . DeployStaticOptions::STRATEGY) ||
+            $this->input->hasParameterOption('-s');
+        if ($isStrategy) {
+            $strategyValue = $this->input->getParameterOption('--' . DeployStaticOptions::STRATEGY) ?:
+                $this->input->getParameterOption('-s');
+            if ($strategyValue === DeployStrategyFactory::DEPLOY_STRATEGY_COMPACT) {
+                $isCompact = true;
+            }
+        }
+        return  $isCompact;
+    }
 }

app/code/Magento/Translation/Test/Unit/Model/Js/PreProcessorTest.php

@@ -15,6 +15,7 @@
 use Magento\Framework\View\Asset\PreProcessor\Chain;
 use Magento\Translation\Model\Js\Config;
 use Magento\Translation\Model\Js\PreProcessor;
+use Symfony\Component\Console\Input\ArgvInput;
 use PHPUnit\Framework\TestCase;
 
 class PreProcessorTest extends TestCase
@@ -39,6 +40,11 @@ class PreProcessorTest extends TestCase
      */
     private $translateMock;
 
+    /**
+     * @var ArgvInput|MockObject
+     */
+    private $inputMock;
+
     /**
      * @inheritdoc
      */
@@ -47,10 +53,12 @@ protected function setUp(): void
         $this->configMock = $this->createMock(Config::class);
         $this->areaListMock = $this->createMock(AreaList::class);
         $this->translateMock = $this->getMockForAbstractClass(TranslateInterface::class);
+        $this->inputMock = $this->createMock(ArgvInput::class);
         $this->model = new PreProcessor(
             $this->configMock,
             $this->areaListMock,
-            $this->translateMock
+            $this->translateMock,
+            $this->inputMock
         );
     }
 
@@ -93,14 +101,23 @@ public function testProcess()
             ->method('loadData')
             ->with($areaCode, false)
             ->willReturnSelf();
+        $this->translateMock->expects($this->any())
+            ->method('getData')
+            ->willReturn(['$t("Add to Cart")' => 'In Winkelwagen']);
         $area->expects($this->once())->method('load')->willReturnSelf();
+        $this->inputMock->expects($this->once())
+            ->method('hasParameterOption')
+            ->willReturn(true);
+        $this->inputMock->expects($this->once())
+            ->method('getParameterOption')
+            ->willReturn('quick');
         $this->areaListMock->expects($this->once())
             ->method('getArea')
             ->with($areaCode)
             ->willReturn($area);
         $chain->expects($this->once())
             ->method('getContent')
-            ->willReturn('$t("Add to Cart")');
+            ->willReturnMap([$this->translateMock]);
         $this->configMock->expects($this->any())
             ->method('getPatterns')
             ->willReturn(new \ArrayIterator(
@@ -109,6 +126,9 @@ public function testProcess()
                     '~\$\.mage\.__\(([\'"])(.+?)\1\)~'
                 ],
             ));
+        $chain->expects($this->once())
+            ->method('setContent')
+            ->willReturn($this->translateMock);
         $this->model->process($chain);
     }
 }