Refactored getting translation file version into a more desirable state, still using the modified timestamp for now.

Author: hostep

app/code/Magento/Translation/Block/Js.php

@@ -72,8 +72,8 @@ public function getTranslationFilePath()
     /**
      * @return string
      */
-    public function getTranslationFileFullPath()
+    public function getTranslationFileVersion()
     {
-        return $this->fileManager->getTranslationFileFullPath();
+        return $this->fileManager->getTranslationFileVersion();
     }
 }

app/code/Magento/Translation/Model/FileManager.php

@@ -73,7 +73,7 @@ public function getTranslationFileTimestamp()
     /**
      * @return string
      */
-    public function getTranslationFileFullPath()
+    protected function getTranslationFileFullPath()
     {
         return $this->directoryList->getPath(DirectoryList::STATIC_VIEW) .
         \DIRECTORY_SEPARATOR .
@@ -104,4 +104,12 @@ public function updateTranslationFileContent($content)
         }
         $this->driverFile->filePutContents($this->getTranslationFileFullPath(), $content);
     }
+
+    /**
+     * @return string
+     */
+    public function getTranslationFileVersion()
+    {
+        return sha1($this->getTranslationFileTimestamp() . $this->getTranslationFilePath());
+    }
 }

app/code/Magento/Translation/view/base/templates/translate.phtml

@@ -26,7 +26,7 @@
                 $.initNamespaceStorage('mage-translation-file-version');
                 versionObj = $.localStorage.get('mage-translation-file-version');
 
-                <?php $version = sha1(sha1_file($block->getTranslationFileFullPath()) . $block->getTranslationFilePath()); ?>
+                <?php $version = $block->getTranslationFileVersion(); ?>
 
                 if (versionObj.version !== '<?= /* @noEscape */ $version ?>') {
                     dependencies.push(