From 73bd76e98634eab237d6974ba0c3422398a641be Mon Sep 17 00:00:00 2001
From: Yann-prak <75838267+Yann-prak@users.noreply.github.com>
Date: Thu, 18 Jul 2024 11:53:36 +0200
Subject: [PATCH] Handle undefined callbacks ios (#5)

* update glide license url

* Handle undefined callbacks in setters on iOS native module
@onurersel

---------

Co-authored-by: Lu <lulu@luluetkroy.fr>
---
 README.md                       |  4 ++--
 ios/FastImage/FFFastImageView.m | 10 ++++++----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index de1d2a5..faf1dc8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 ### ⚠️ This is a fork of https://github.com/DylanVann/react-native-fast-image. All credit goes to the original author.
+
 <h1 align="center">
   🚩 FastImage
 </h1>
@@ -186,7 +187,6 @@ e.g. `onLoad={e => console.log(e.nativeEvent.width, e.nativeEvent.height)}`
 
 Called on an image fetching error or when source is malformed (i.e: empty or null).
 
-
 ---
 
 ### `onLoadEnd?: () => void`
@@ -268,7 +268,7 @@ Thanks to [@mobinni](https://github.com/mobinni) for helping with the conceptual
 
 -   FastImage - MIT © [Dream11](https://github.com/dream11)
 -   SDWebImage - `MIT`
--   Glide - BSD, part MIT and Apache 2.0. See the [LICENSE](https://github.com/bumptech/glide/blob/master/license) file for details.
+-   Glide - BSD, part MIT and Apache 2.0. See the [LICENSE](https://github.com/bumptech/glide/blob/master/LICENSE) file for details.
 
 [build-badge]: https://github.com/dream-sports-labs/react-native-fast-image/workflows/CI/badge.svg
 [build]: https://github.com/dream-sports-labs/react-native-fast-image/actions?query=workflow%3ACI
diff --git a/ios/FastImage/FFFastImageView.m b/ios/FastImage/FFFastImageView.m
index 7e1b016..3d3ad5c 100644
--- a/ios/FastImage/FFFastImageView.m
+++ b/ios/FastImage/FFFastImageView.m
@@ -32,21 +32,21 @@ - (void) setResizeMode: (RCTResizeMode)resizeMode {
 
 - (void) setOnFastImageLoadEnd: (RCTDirectEventBlock)onFastImageLoadEnd {
     _onFastImageLoadEnd = onFastImageLoadEnd;
-    if (self.hasCompleted) {
+    if (self.hasCompleted && _onFastImageLoadEnd) {
         _onFastImageLoadEnd(@{});
     }
 }
 
 - (void) setOnFastImageLoad: (RCTDirectEventBlock)onFastImageLoad {
     _onFastImageLoad = onFastImageLoad;
-    if (self.hasCompleted) {
+    if (self.hasCompleted && _onFastImageLoad) {
         _onFastImageLoad(self.onLoadEvent);
     }
 }
 
 - (void) setOnFastImageError: (RCTDirectEventBlock)onFastImageError {
     _onFastImageError = onFastImageError;
-    if (self.hasErrored) {
+    if (self.hasErrored && _onFastImageError) {
         _onFastImageError(@{});
     }
 }
@@ -54,7 +54,9 @@ - (void) setOnFastImageError: (RCTDirectEventBlock)onFastImageError {
 - (void) setOnFastImageLoadStart: (RCTDirectEventBlock)onFastImageLoadStart {
     if (_source && !self.hasSentOnLoadStart) {
         _onFastImageLoadStart = onFastImageLoadStart;
-        onFastImageLoadStart(@{});
+        if (onFastImageLoadStart) {
+            onFastImageLoadStart(@{});
+        }
         self.hasSentOnLoadStart = YES;
     } else {
         _onFastImageLoadStart = onFastImageLoadStart;