1 files changed, 9 insertions, 0 deletions
diff --git a/castle-search/src/extract.ts b/castle-search/src/extract.ts
index 653942b..0284bb7 100644
--- a/castle-search/src/extract.ts
+++ b/castle-search/src/extract.ts
@@ -65,6 +65,8 @@ export type PageProbe = {
    * and worth telling apart when diagnosing a zero-hit search.
    */
   container: "found" | "none";
+  /** True when the engine's own "no matches" marker is on the page. */
+  empty: boolean;
   results: SearchResult[];
 };
 
@@ -279,6 +281,12 @@ export const buildProbeScript = (config: ExtractionConfig): string => String.raw
   var challenge = null;
   var results = [];
   var container = "none";
+  var empty = false;
+  try {
+    empty = !!(CFG.emptyMarker && document.querySelector(CFG.emptyMarker));
+  } catch (e) {
+    empty = false;
+  }
   try {
     challenge = detectChallenge();
   } catch (e) {
@@ -298,6 +306,7 @@ export const buildProbeScript = (config: ExtractionConfig): string => String.raw
     readyState: document.readyState,
     challenge: challenge,
     container: container,
+    empty: empty,
     results: results,
   };
 })()`;