Merge pull request #12 from meanbee/10-backend-caching

Force network-only for backend requests

src/Block/Js.php

@@ -80,6 +80,16 @@ public function getExternalScriptUrls()
         return array_filter($scripts);
     }
 
+    /**
+     * Get the path prefix for backend requests.
+     *
+     * @return string
+     */
+    public function getBackendPathPrefix()
+    {
+        return $this->config->getBackendPathPrefix();
+    }
+
     /**
      * Get the configured paths with custom caching strategies.
      *

src/Helper/Config.php

@@ -18,17 +18,22 @@ class Config extends \Magento\Framework\App\Helper\AbstractHelper
     /** @var \Magento\Cms\Helper\Page $cmsPageHelper */
     protected $cmsPageHelper;
 
+    /** @var \Magento\Framework\App\DeploymentConfig $deploymentConfig */
+    protected $deploymentConfig;
+
     /** @var \Magento\Framework\Serialize\Serializer\Json $serializer */
     protected $serializer;
 
     public function __construct(
         \Magento\Framework\App\Helper\Context $context,
         \Magento\Cms\Helper\Page $cmsPageHelper,
+        \Magento\Framework\App\DeploymentConfig $deploymentConfig,
         \Magento\Framework\Serialize\Serializer\Json $serializer
     ) {
         parent::__construct($context);
 
         $this->cmsPageHelper = $cmsPageHelper;
+        $this->deploymentConfig = $deploymentConfig;
         $this->serializer = $serializer;
     }
 
@@ -58,6 +63,18 @@ public function getOfflinePageUrl()
         }
     }
 
+    /**
+     * Get the prefix path for backend requests.
+     *
+     * @return string
+     */
+    public function getBackendPathPrefix()
+    {
+        return $this->_urlBuilder->getBaseUrl()
+            . $this->deploymentConfig->get(\Magento\Backend\Setup\ConfigOptionsList::CONFIG_PATH_BACKEND_FRONTNAME)
+            . "/*";
+    }
+
     /**
      * Get the configured paths with custom caching strategies.
      *

src/view/frontend/templates/serviceworker.js.phtml

@@ -38,6 +38,11 @@ wbsw.precache([
 wbsw.router.registerRoute(/\.(png|jpeg|jpg|gif)$/, wbsw.strategies.cacheFirst());
 wbsw.router.registerRoute(/\.(js|css)$/, wbsw.strategies.cacheFirst());
 
+// Serve backend requests with network-only strategy
+// #####################################
+
+wbsw.router.registerRoute('<?php echo $block->getBackendPathPrefix() ?>', wbsw.strategies.networkOnly());
+
 // Serve paths with configured custom strategies
 // #####################################