better performance in stickerbroswer

Emoji.sticker can return nil
added tests to measure .sticker perfomance
delete redundant stickerbrowserviewcontroller

StickerSlack.xcodeproj/project.pbxproj

@@ -26,7 +26,12 @@
 		A969D6AF2EA3F1AF00399C05 /* MessagesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = A969D6AA2EA3F1AF00399C05 /* MessagesViewController.swift */; };
 		A9773C2F2EA54AF000F3B753 /* EmojiPreview.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9773C2E2EA54AF000F3B753 /* EmojiPreview.swift */; };
 		A9B9A81C2EB2BCE4004C9245 /* StickerBrowserDataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9B9A81B2EB2BCE4004C9245 /* StickerBrowserDataSource.swift */; };
-		A9B9A81E2EB2BEF1004C9245 /* StickerBroswerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9B9A81D2EB2BEF1004C9245 /* StickerBroswerViewController.swift */; };
+		A9B9A82E2EB2CCBE004C9245 /* StickerSlackTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9B9A82C2EB2CCBE004C9245 /* StickerSlackTests.swift */; };
+		A9B9A82F2EB2CCED004C9245 /* EmojiHoarder.swift in Sources */ = {isa = PBXBuildFile; fileRef = A949B1F72EA04F2300215164 /* EmojiHoarder.swift */; };
+		A9B9A8302EB2CD0B004C9245 /* Emoji.swift in Sources */ = {isa = PBXBuildFile; fileRef = A924C3712EA9127200F20781 /* Emoji.swift */; };
+		A9B9A8312EB2CD14004C9245 /* FilterCategory.swift in Sources */ = {isa = PBXBuildFile; fileRef = A935437A2EB2A3C800BB80A4 /* FilterCategory.swift */; };
+		A9B9A8322EB2CD29004C9245 /* SlackResponse.swift in Sources */ = {isa = PBXBuildFile; fileRef = A949B1FA2EA0518800215164 /* SlackResponse.swift */; };
+		A9B9A8332EB2CD4B004C9245 /* ApiEmoji.swift in Sources */ = {isa = PBXBuildFile; fileRef = A940FE3C2EA232590016870B /* ApiEmoji.swift */; };
 		A9BE06DB2EA656B80033B213 /* EmojiHoarder.swift in Sources */ = {isa = PBXBuildFile; fileRef = A949B1F72EA04F2300215164 /* EmojiHoarder.swift */; };
 		A9BE06DC2EA657C70033B213 /* ApiEmoji.swift in Sources */ = {isa = PBXBuildFile; fileRef = A940FE3C2EA232590016870B /* ApiEmoji.swift */; };
 		A9BE06DD2EA657CF0033B213 /* SlackResponse.swift in Sources */ = {isa = PBXBuildFile; fileRef = A949B1FA2EA0518800215164 /* SlackResponse.swift */; };
@@ -42,6 +47,13 @@
 			remoteGlobalIDString = A969D6902EA3E86500399C05;
 			remoteInfo = StickerSlackiMessageExtension;
 		};
+		A9B9A8272EB2CCB5004C9245 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = A949B1D72EA04C0B00215164 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = A949B1DE2EA04C0B00215164;
+			remoteInfo = StickerSlack;
+		};
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -78,7 +90,8 @@
 		A969D6AA2EA3F1AF00399C05 /* MessagesViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MessagesViewController.swift; sourceTree = "<group>"; };
 		A9773C2E2EA54AF000F3B753 /* EmojiPreview.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPreview.swift; sourceTree = "<group>"; };
 		A9B9A81B2EB2BCE4004C9245 /* StickerBrowserDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StickerBrowserDataSource.swift; sourceTree = "<group>"; };
-		A9B9A81D2EB2BEF1004C9245 /* StickerBroswerViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StickerBroswerViewController.swift; sourceTree = "<group>"; };
+		A9B9A8232EB2CCB5004C9245 /* StickerSlackTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = StickerSlackTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		A9B9A82C2EB2CCBE004C9245 /* StickerSlackTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StickerSlackTests.swift; sourceTree = "<group>"; };
 		A9D15B892EB1142C00404792 /* EmojiPack.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPack.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -100,6 +113,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		A9B9A8202EB2CCB5004C9245 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -108,6 +128,7 @@
 			children = (
 				A949B1F22EA04E8200215164 /* StickerSlack */,
 				A969D6AB2EA3F1AF00399C05 /* StickerSlackiMessageExtension */,
+				A9B9A82D2EB2CCBE004C9245 /* StickerSlackTests */,
 				A969D6922EA3E86500399C05 /* Frameworks */,
 				A949B1E02EA04C0B00215164 /* Products */,
 			);
@@ -118,6 +139,7 @@
 			children = (
 				A949B1DF2EA04C0B00215164 /* StickerSlack.app */,
 				A969D6912EA3E86500399C05 /* StickerSlackiMessageExtension.appex */,
+				A9B9A8232EB2CCB5004C9245 /* StickerSlackTests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -181,11 +203,18 @@
 				A969D6A92EA3F1AF00399C05 /* MainInterface.storyboard */,
 				A969D6AA2EA3F1AF00399C05 /* MessagesViewController.swift */,
 				A9B9A81B2EB2BCE4004C9245 /* StickerBrowserDataSource.swift */,
-				A9B9A81D2EB2BEF1004C9245 /* StickerBroswerViewController.swift */,
 			);
 			path = StickerSlackiMessageExtension;
 			sourceTree = "<group>";
 		};
+		A9B9A82D2EB2CCBE004C9245 /* StickerSlackTests */ = {
+			isa = PBXGroup;
+			children = (
+				A9B9A82C2EB2CCBE004C9245 /* StickerSlackTests.swift */,
+			);
+			path = StickerSlackTests;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -231,6 +260,26 @@
 			productReference = A969D6912EA3E86500399C05 /* StickerSlackiMessageExtension.appex */;
 			productType = "com.apple.product-type.app-extension.messages";
 		};
+		A9B9A8222EB2CCB5004C9245 /* StickerSlackTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = A9B9A8292EB2CCB5004C9245 /* Build configuration list for PBXNativeTarget "StickerSlackTests" */;
+			buildPhases = (
+				A9B9A81F2EB2CCB5004C9245 /* Sources */,
+				A9B9A8202EB2CCB5004C9245 /* Frameworks */,
+				A9B9A8212EB2CCB5004C9245 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				A9B9A8282EB2CCB5004C9245 /* PBXTargetDependency */,
+			);
+			name = StickerSlackTests;
+			packageProductDependencies = (
+			);
+			productName = StickerSlackTests;
+			productReference = A9B9A8232EB2CCB5004C9245 /* StickerSlackTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
@@ -247,6 +296,10 @@
 					A969D6902EA3E86500399C05 = {
 						CreatedOnToolsVersion = 26.0.1;
 					};
+					A9B9A8222EB2CCB5004C9245 = {
+						CreatedOnToolsVersion = 26.0.1;
+						TestTargetID = A949B1DE2EA04C0B00215164;
+					};
 				};
 			};
 			buildConfigurationList = A949B1DA2EA04C0B00215164 /* Build configuration list for PBXProject "StickerSlack" */;
@@ -268,6 +321,7 @@
 			targets = (
 				A949B1DE2EA04C0B00215164 /* StickerSlack */,
 				A969D6902EA3E86500399C05 /* StickerSlackiMessageExtension */,
+				A9B9A8222EB2CCB5004C9245 /* StickerSlackTests */,
 			);
 		};
 /* End PBXProject section */
@@ -290,6 +344,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		A9B9A8212EB2CCB5004C9245 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -313,7 +374,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				A9B9A81E2EB2BEF1004C9245 /* StickerBroswerViewController.swift in Sources */,
 				A924C3722EA9127200F20781 /* Emoji.swift in Sources */,
 				A9BE06DC2EA657C70033B213 /* ApiEmoji.swift in Sources */,
 				A9BE06DB2EA656B80033B213 /* EmojiHoarder.swift in Sources */,
@@ -325,6 +385,19 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		A9B9A81F2EB2CCB5004C9245 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				A9B9A8302EB2CD0B004C9245 /* Emoji.swift in Sources */,
+				A9B9A82F2EB2CCED004C9245 /* EmojiHoarder.swift in Sources */,
+				A9B9A8322EB2CD29004C9245 /* SlackResponse.swift in Sources */,
+				A9B9A82E2EB2CCBE004C9245 /* StickerSlackTests.swift in Sources */,
+				A9B9A8312EB2CD14004C9245 /* FilterCategory.swift in Sources */,
+				A9B9A8332EB2CD4B004C9245 /* ApiEmoji.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
@@ -333,6 +406,11 @@
 			target = A969D6902EA3E86500399C05 /* StickerSlackiMessageExtension */;
 			targetProxy = A969D69E2EA3E86600399C05 /* PBXContainerItemProxy */;
 		};
+		A9B9A8282EB2CCB5004C9245 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = A949B1DE2EA04C0B00215164 /* StickerSlack */;
+			targetProxy = A9B9A8272EB2CCB5004C9245 /* PBXContainerItemProxy */;
+		};
 /* End PBXTargetDependency section */
 
 /* Begin PBXVariantGroup section */
@@ -618,6 +696,53 @@
 			};
 			name = Release;
 		};
+		A9B9A82A2EB2CCB5004C9245 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 8JGND254B7;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.neon443.StickerSlackTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = NO;
+				SWIFT_APPROACHABLE_CONCURRENCY = YES;
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/StickerSlack.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/StickerSlack";
+			};
+			name = Debug;
+		};
+		A9B9A82B2EB2CCB5004C9245 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 8JGND254B7;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.neon443.StickerSlackTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = NO;
+				SWIFT_APPROACHABLE_CONCURRENCY = YES;
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/StickerSlack.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/StickerSlack";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
@@ -648,6 +773,15 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		A9B9A8292EB2CCB5004C9245 /* Build configuration list for PBXNativeTarget "StickerSlackTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				A9B9A82A2EB2CCB5004C9245 /* Debug */,
+				A9B9A82B2EB2CCB5004C9245 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 /* End XCConfigurationList section */
 
 /* Begin XCRemoteSwiftPackageReference section */

StickerSlack.xcodeproj/xcshareddata/xcschemes/StickerSlack.xcscheme

@@ -29,6 +29,19 @@
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES"
       shouldAutocreateTestPlan = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "A9B9A8222EB2CCB5004C9245"
+               BuildableName = "StickerSlackTests.xctest"
+               BlueprintName = "StickerSlackTests"
+               ReferencedContainer = "container:StickerSlack.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"

StickerSlack.xcodeproj/xcshareddata/xcschemes/StickerSlackiMessageExtension.xcscheme

@@ -44,6 +44,19 @@
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES"
       shouldAutocreateTestPlan = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "A9B9A8222EB2CCB5004C9245"
+               BuildableName = "StickerSlackTests.xctest"
+               BlueprintName = "StickerSlackTests"
+               ReferencedContainer = "container:StickerSlack.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -57,8 +70,18 @@
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES"
       launchAutomaticallySubstyle = "2">
-      <BuildableProductRunnable
+      <RemoteRunnable
-         runnableDebuggingMode = "0">
+         runnableDebuggingMode = "1"
+         BundleIdentifier = "com.apple.MobileSMS">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "A969D6902EA3E86500399C05"
+            BuildableName = "StickerSlackiMessageExtension.appex"
+            BlueprintName = "StickerSlackiMessageExtension"
+            ReferencedContainer = "container:StickerSlack.xcodeproj">
+         </BuildableReference>
+      </RemoteRunnable>
+      <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "A949B1DE2EA04C0B00215164"
@@ -66,7 +89,7 @@
             BlueprintName = "StickerSlack"
             ReferencedContainer = "container:StickerSlack.xcodeproj">
          </BuildableReference>
-      </BuildableProductRunnable>
+      </MacroExpansion>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

StickerSlack/Emoji/Emoji.swift

@@ -27,11 +27,11 @@ struct Emoji: Codable, Identifiable, Hashable {
 		return (try? Data(contentsOf: localImageURL)) != nil
 	}
 	
-	var sticker: MSSticker {
+	var sticker: MSSticker? {
 		guard isLocal else {
-			fatalError("sticker \(name) isnt local")
+			return nil
 		}
-		return try! MSSticker(contentsOfFileURL: localImageURL, localizedDescription: name)
+		return try? MSSticker(contentsOfFileURL: localImageURL, localizedDescription: name)
 	}
 	
 	var image: UIImage? {

StickerSlackTests/StickerSlackTests.swift

@@ -0,0 +1,20 @@
+//
+//  StickerSlackTests.swift
+//  StickerSlackTests
+//
+//  Created by neon443 on 29/10/2025.
+//
+
+import Testing
+
+struct StickerSlackTests {
+	var hoarder = EmojiHoarder()
+	
+	@Test func example() async throws {
+		// Write your test here and use APIs like `#expect(...)` to check expected conditions.
+		for emoji in hoarder.emojis {
+			print(emoji.sticker)
+		}
+	}
+	
+}

StickerSlackiMessageExtension/MessagesViewController.swift

@@ -30,6 +30,7 @@ class MessagesViewController: MSMessagesAppViewController {
 		let stickerBrowser = MSStickerBrowserView(frame: .zero, stickerSize: .regular)
 		stickerBrowser.frame = CGRect(x: 60, y: 20, width: 200, height: 600)
 		stickerBrowser.dataSource = dataSource
+		stickerBrowser.autoresizingMask = [.flexibleWidth]
 		view.addSubview(stickerBrowser)
 		stickerBrowser.reloadData()
 		view.bringSubviewToFront(stickerBrowser)

StickerSlackiMessageExtension/StickerBroswerViewController.swift

@@ -1,25 +0,0 @@
-//
-//  StickerBroswerViewController.swift
-//  StickerSlackiMessageExtension
-//
-//  Created by neon443 on 29/10/2025.
-//
-
-import Foundation
-import UIKit
-import Messages
-
-class StickerBroswerViewController: MSStickerBrowserViewController {
-	var hoarder: EmojiHoarder = EmojiHoarder()
-	
-	var emojis: [Emoji] = []
-	
-	override func numberOfStickers(in stickerBrowserView: MSStickerBrowserView) -> Int {
-		emojis = hoarder.emojis.filter { $0.isLocal }
-		return emojis.count
-	}
-	
-	override func stickerBrowserView(_ stickerBrowserView: MSStickerBrowserView, stickerAt index: Int) -> MSSticker {
-		return emojis[index].sticker
-	}
-}

StickerSlackiMessageExtension/StickerBrowserDataSource.swift

@@ -11,11 +11,17 @@ import Messages
 class StickerBrowserDataSource: NSObject, MSStickerBrowserViewDataSource {
 	var hoarder: EmojiHoarder = EmojiHoarder()
 	
+	var emojis: [MSSticker] = []
+	
 	func numberOfStickers(in stickerBrowserView: MSStickerBrowserView) -> Int {
-		return hoarder.emojis.filter { $0.isLocal }.count
+		for emoji in hoarder.emojis {
+			guard let sticker = emoji.sticker else { continue }
+			emojis.append(sticker)
+		}
+		return emojis.count
 	}
 	
 	func stickerBrowserView(_ stickerBrowserView: MSStickerBrowserView, stickerAt index: Int) -> MSSticker {
-		return hoarder.emojis.filter { $0.isLocal }[index].sticker
+		return emojis[index]
 	}
 }