started working on a trie!

thanks @foxmoss

StickerSlack.xcodeproj/project.pbxproj

@@ -39,6 +39,9 @@
 		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 */; };
+		A9C172DC2EB8C9AC008A7885 /* Trie.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C172DB2EB8C9AC008A7885 /* Trie.swift */; };
+		A9C172DD2EB8C9AC008A7885 /* Trie.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C172DB2EB8C9AC008A7885 /* Trie.swift */; };
+		A9C172DE2EB8C9AC008A7885 /* Trie.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C172DB2EB8C9AC008A7885 /* Trie.swift */; };
 		A9D15B8B2EB1142C00404792 /* EmojiPack.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9D15B892EB1142C00404792 /* EmojiPack.swift */; };
 /* End PBXBuildFile section */
 
@@ -98,6 +101,7 @@
 		A986A6CB2EB659E000B6E0FA /* StickerBrowserDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StickerBrowserDataSource.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>"; };
+		A9C172DB2EB8C9AC008A7885 /* Trie.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Trie.swift; sourceTree = "<group>"; };
 		A9D15B892EB1142C00404792 /* EmojiPack.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPack.swift; sourceTree = "<group>"; };
 		A9E2ECD72EB74CE00038B2D6 /* Config.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Config.xcconfig; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -200,6 +204,7 @@
 				A924C3712EA9127200F20781 /* Emoji.swift */,
 				A9D15B892EB1142C00404792 /* EmojiPack.swift */,
 				A935437A2EB2A3C800BB80A4 /* FilterCategory.swift */,
+				A9C172DB2EB8C9AC008A7885 /* Trie.swift */,
 			);
 			path = Emoji;
 			sourceTree = "<group>";
@@ -387,6 +392,7 @@
 				A9104C802EB4022500D160EA /* MSSticker.swift in Sources */,
 				A949B1FB2EA0518800215164 /* SlackResponse.swift in Sources */,
 				A935437B2EB2A3C800BB80A4 /* FilterCategory.swift in Sources */,
+				A9C172DD2EB8C9AC008A7885 /* Trie.swift in Sources */,
 				A924C3732EA9127200F20781 /* Emoji.swift in Sources */,
 				A9D15B8B2EB1142C00404792 /* EmojiPack.swift in Sources */,
 				A949B1F82EA04F2300215164 /* EmojiHoarder.swift in Sources */,
@@ -401,6 +407,7 @@
 				A986A6C32EB6598100B6E0FA /* FilterCategory.swift in Sources */,
 				A986A6CD2EB659E000B6E0FA /* MessagesViewController.swift in Sources */,
 				A986A6CE2EB659E000B6E0FA /* StickerBrowserDataSource.swift in Sources */,
+				A9C172DE2EB8C9AC008A7885 /* Trie.swift in Sources */,
 				A986A6C42EB6598500B6E0FA /* SlackResponse.swift in Sources */,
 				A986A6C22EB6597600B6E0FA /* Emoji.swift in Sources */,
 				A986A6C12EB6595F00B6E0FA /* EmojiHoarder.swift in Sources */,
@@ -414,6 +421,7 @@
 				A9104C7F2EB4022500D160EA /* MSSticker.swift in Sources */,
 				A9B9A8302EB2CD0B004C9245 /* Emoji.swift in Sources */,
 				A9B9A82F2EB2CCED004C9245 /* EmojiHoarder.swift in Sources */,
+				A9C172DC2EB8C9AC008A7885 /* Trie.swift in Sources */,
 				A9B9A8322EB2CD29004C9245 /* SlackResponse.swift in Sources */,
 				A9B9A82E2EB2CCBE004C9245 /* StickerSlackTests.swift in Sources */,
 				A9B9A8312EB2CD14004C9245 /* FilterCategory.swift in Sources */,

StickerSlack/Emoji/Trie.swift

@@ -0,0 +1,78 @@
+//
+//  Trie.swift
+//  StickerSlack
+//
+//  Created by neon443 on 03/11/2025.
+//
+
+import Foundation
+import SwiftUI
+import Combine
+
+class TrieNode: ObservableObject {
+	@Published var children: [Character: TrieNode] = [:]
+	@Published var isEndOfWord: Bool = false
+}
+
+class Trie: ObservableObject {
+	@Published var root: TrieNode = TrieNode()
+	
+	func insert(word: String) {
+		var currentNode = root
+		for char in word {
+			if let node = currentNode.children[char] {
+				print("node \(char) exists")
+				currentNode = node
+			} else {
+				print("node \(char) didnt exist creating")
+				currentNode.children[char] = TrieNode()
+				currentNode = currentNode.children[char]!
+			}
+		}
+	}
+}
+
+struct TrieTestingView: View {
+	@ObservedObject var trie: Trie = Trie()
+	@State var id: UUID = UUID()
+	@State var newWord: String = ""
+	@State var searchTerm: String = ""
+	
+	var body: some View {
+		VStack {
+			TextField("", text: $newWord)
+				.textFieldStyle(.roundedBorder)
+				.border(.red)
+			Button("add word") {
+				trie.insert(word: newWord)
+				id = UUID()
+			}
+			
+			TextField("", text: $searchTerm)
+			
+			Text("\(trie.root.children.count)")
+			
+			List {
+				TrieNodeView(trieNode: trie.root)
+			}
+			.id(id)
+		}
+	}
+}
+
+struct TrieNodeView: View {
+	@State var trieNode: TrieNode
+	
+	var body: some View {
+		ForEach(trieNode.children.map { $0.key }, id: \.self) { key in
+			Text(String(key))
+					.frame(width: 20, height: 20)
+			TrieNodeView(trieNode: trieNode.children[key]!)
+				.padding(.leading, 20)
+		}
+	}
+}
+
+#Preview {
+	TrieTestingView()
+}