Shortcircuiting if search_endpoint isn't set (#1035)

modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php

@@ -494,17 +494,20 @@ protected function defineOptions() {
    */
   protected function addSearchEndpoint(array &$json, array $url_components) {
     $url_base = $this->getRequest()->getSchemeAndHttpHost();
-    $hocr_search_path = $this->options['search_endpoint'];
-    $hocr_search_url = $url_base . '/' . ltrim($hocr_search_path, '/');
+    $hocr_search_path = $this->options['search_endpoint'] ?? null;
 
-    $hocr_search_url = str_replace('%node', $url_components[1], $hocr_search_url);
+    if ($hocr_search_path) {
+      $hocr_search_url = $url_base . '/' . ltrim($hocr_search_path, '/');
 
-    $json['service'][] = [
-      "@context" => "http://iiif.io/api/search/0/context.json",
-      "@id" => $hocr_search_url,
-      "profile" => "http://iiif.io/api/search/0/search",
-      "label" => t("Search inside this work"),
-    ];
+      $hocr_search_url = str_replace('%node', $url_components[1], $hocr_search_url);
+
+      $json['service'][] = [
+        "@context" => "http://iiif.io/api/search/0/context.json",
+        "@id" => $hocr_search_url,
+        "profile" => "http://iiif.io/api/search/0/search",
+        "label" => t("Search inside this work"),
+      ];
+    }
   }
 
   /**