SSR Implementation

src/functions.php

@@ -13,14 +13,45 @@ function bb_inject_inertia(string $id = 'app', string $classes = '')
             ? 'class="' . $classes . '"'
             : '';
 
+        $page = json_encode($bb_inertia_page);
+        $content = '';
+
+        if(
+            // Not an AJAX request
+            !(defined('DOING_AJAX') && DOING_AJAX)
+
+            // SSR entry point exists
+            && file_exists(get_template_directory().'/build/ssr/ssr.js')) 
+        {
+            // Try to connect to the SSR server
+            try {
+                $curl = curl_init('http://127.0.0.1:13714/render');
+
+                curl_setopt($curl, CURLOPT_POST, true);
+                curl_setopt($curl, CURLOPT_POSTFIELDS, $page);
+                curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+
+                $content = json_decode(curl_exec($curl));
+
+                curl_close($curl);
+
+                if($content) {
+                    echo $content->body;
+                    return;
+                }
+            } catch (Exception $e) {
+                throw new Exception("Couldn't contact the SSR server", $e->getMessage());
+            }
+        }
+
         $page = htmlspecialchars(
-            json_encode($bb_inertia_page),
+            $page,
             ENT_QUOTES,
             'UTF-8',
             true
-        );
+        );        
 
-        echo "<div id=\"{$id}\" {$classes} data-page=\"{$page}\"></div>";
+        echo "<div id=\"{$id}\" {$classes} data-page=\"{$page}\">$content</div>";
     }
 }
 
@@ -37,4 +68,4 @@ function getallheaders()
 
         return $headers;
     }
-}
+}