From df6f707fc3c78b47ab3d1ba8e598f85a70838023 Mon Sep 17 00:00:00 2001
From: Mahdi Ghorbani <mahdi.ghorbani@gmail.com>
Date: Mon, 21 Oct 2024 15:33:37 +0330
Subject: [PATCH] reallocate documentScanner on each call (#134)

---
 ios/DocumentScanner.swift | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ios/DocumentScanner.swift b/ios/DocumentScanner.swift
index 237ca8c..88267e1 100644
--- a/ios/DocumentScanner.swift
+++ b/ios/DocumentScanner.swift
@@ -7,7 +7,7 @@ class DocumentScanner: NSObject {
     }
     
     /** @property  documentScanner the document scanner */
-    let documentScanner = DocScanner()
+    private var documentScanner: DocScanner?
 
     @objc(scanDocument:withResolver:withRejecter:)
     func scanDocument(
@@ -16,8 +16,10 @@ class DocumentScanner: NSObject {
       reject: @escaping RCTPromiseRejectBlock
     ) -> Void {
         DispatchQueue.main.async {
+            self.documentScanner = DocScanner()
+
             // launch the document scanner
-            self.documentScanner.startScan(
+            self.documentScanner?.startScan(
                 RCTPresentedViewController(),
                 successHandler: { (scannedDocumentImages: [String]) in
                     // document scan success
@@ -25,16 +27,19 @@ class DocumentScanner: NSObject {
                         "status": "success",
                         "scannedImages": scannedDocumentImages
                     ])
+                    self.documentScanner = nil
                 },
                 errorHandler: { (errorMessage: String) in
                     // document scan error
                     reject("document scan error", errorMessage, nil)
+                    self.documentScanner = nil
                 },
                 cancelHandler: {
                     // when user cancels document scan
                     resolve([
                         "status": "cancel"
                     ])
+                    self.documentScanner = nil
                 },
                 responseType: options["responseType"] as? String,
                 croppedImageQuality: options["croppedImageQuality"] as? Int