From 8fb04f45938296ba030fefaa164fe0e613a2c178 Mon Sep 17 00:00:00 2001
From: Balearica <you@example.com>
Date: Sat, 17 Sep 2022 16:33:20 -0700
Subject: [PATCH] Edited detect to return null when detection fails rather than
 throwing error per #526

---
 src/index.d.ts             | 10 +++++-----
 src/worker-script/index.js | 10 ++++++++--
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/index.d.ts b/src/index.d.ts
index 7bebf77..f2cba0d 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -74,11 +74,11 @@ declare namespace Tesseract {
     data: DetectData
   }
   interface DetectData {
-    tesseract_script_id: number
-    script: string
-    script_confidence: number
-    orientation_degrees: number
-    orientation_confidence: number
+    tesseract_script_id: number | null
+    script: string | null
+    script_confidence: number | null
+    orientation_degrees: number | null
+    orientation_confidence: number | null
   }
   interface Rectangle {
     left: number
diff --git a/src/worker-script/index.js b/src/worker-script/index.js
index 60e9c64..ff0a732 100644
--- a/src/worker-script/index.js
+++ b/src/worker-script/index.js
@@ -356,9 +356,15 @@ const detect = async ({ payload: { image } }, res) => {
     const results = new TessModule.OSResults();
 
     if (!api.DetectOS(results)) {
-      api.End();
       TessModule._free(ptr);
-      res.reject('Failed to detect OS');
+      
+      res.resolve({
+        tesseract_script_id: null,
+        script: null,
+        script_confidence: null,
+        orientation_degrees: null,
+        orientation_confidence: null,
+      });
     } else {
       const best = results.best_result;
       const oid = best.orientation_id;