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avoid expensive sync disk read

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This commit is contained in:
Samuel Newman
2026-04-20 14:44:23 +03:00
parent afcb8f4fcb
commit e829b7a83e
1 changed files with 3 additions and 7 deletions
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modules/expo-bluesky-context-menu/ios/ImagePreviewController.swift
+3 -7
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@@ -77,15 +77,11 @@ final class ImagePreviewController: UIViewController {
} }
} }
/// Synchronous cache lookup across memory + disk. Memory hits are instant; /// Memory-only cache lookup. Disk reads are left to the async SDWebImage
/// disk hits incur a small read but remain on-thread (matches what SDWebImage /// load to avoid blocking the main thread during the peek animation.
/// does when the cache policy permits).
private func cachedImage(for url: URL) -> UIImage? { private func cachedImage(for url: URL) -> UIImage? {
let key = SDWebImageManager.shared.cacheKey(for: url) ?? url.absoluteString let key = SDWebImageManager.shared.cacheKey(for: url) ?? url.absoluteString
if let memory = SDImageCache.shared.imageFromMemoryCache(forKey: key) { return SDImageCache.shared.imageFromMemoryCache(forKey: key)
return memory
}
return SDImageCache.shared.imageFromDiskCache(forKey: key)
} }
/// Caps the preview to a comfortable size within the current key window. /// Caps the preview to a comfortable size within the current key window.