From b36d4fcd239abf45bd1bbe199069dfb0fc5da5b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Danilo=20B=C3=BCrger?= <danilo@feastr.de>
Date: Sat, 2 Apr 2022 16:17:30 +0200
Subject: [PATCH] Allow modifying ios image cache limits

---
 Libraries/Image/RCTImageCache.h |  3 +++
 Libraries/Image/RCTImageCache.m | 10 ++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Libraries/Image/RCTImageCache.h b/Libraries/Image/RCTImageCache.h
index 9425e9c405dc..b85de924e221 100644
--- a/Libraries/Image/RCTImageCache.h
+++ b/Libraries/Image/RCTImageCache.h
@@ -39,4 +39,7 @@
 @end
 
 @interface RCTImageCache : NSObject <RCTImageCache>
+
+RCT_EXTERN void RCTSetImageCacheLimits(NSUInteger maxCachableDecodedImageSizeInBytes, NSUInteger imageCacheTotalCostLimit);
+
 @end
diff --git a/Libraries/Image/RCTImageCache.m b/Libraries/Image/RCTImageCache.m
index 86a86c1848a6..76e28cf947de 100644
--- a/Libraries/Image/RCTImageCache.m
+++ b/Libraries/Image/RCTImageCache.m
@@ -18,7 +18,13 @@
 
 #import <React/RCTImageUtils.h>
 
-static const NSUInteger RCTMaxCachableDecodedImageSizeInBytes = 2097152; // 2 MB
+static NSUInteger RCTMaxCachableDecodedImageSizeInBytes = 2*1024*1024;
+static NSUInteger RCTImageCacheTotalCostLimit = 20*1024*1024;
+
+void RCTSetImageCacheLimits(NSUInteger maxCachableDecodedImageSizeInBytes, NSUInteger imageCacheTotalCostLimit) {
+  RCTMaxCachableDecodedImageSizeInBytes = maxCachableDecodedImageSizeInBytes;
+  RCTImageCacheTotalCostLimit = imageCacheTotalCostLimit;
+}
 
 static NSString *RCTCacheKeyForImage(NSString *imageTag, CGSize size, CGFloat scale,
                                      RCTResizeMode resizeMode)
@@ -38,7 +44,7 @@ - (instancetype)init
 {
   if (self = [super init]) {
     _decodedImageCache = [NSCache new];
-    _decodedImageCache.totalCostLimit = 20 * 1024 * 1024; // 20 MB
+    _decodedImageCache.totalCostLimit = RCTImageCacheTotalCostLimit;
     _cacheStaleTimes = [NSMutableDictionary new];
 
     [[NSNotificationCenter defaultCenter] addObserver:self