started working on a trie!

thanks @foxmoss

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()
+}