Update

Other Projects/Combine using GitHub API/SwiftUI-Combine-Example/SearchUserViewModel.swift

@@ -0,0 +1,60 @@
+import SwiftUI
+import Combine
+
+final class SearchUserViewModel: BindableObject {
+    var didChange = PassthroughSubject<SearchUserViewModel, Never>()
+
+    private(set) var users = [User]() {
+        didSet {
+            didChange.send(self)
+        }
+    }
+
+    private(set) var userImages = [User: UIImage]() {
+        didSet {
+            didChange.send(self)
+        }
+    }
+
+    private var cancellable: Cancellable? {
+        didSet { oldValue?.cancel() }
+    }
+
+    func search(name: String) {
+        guard !name.isEmpty else {
+            return users = []
+        }
+
+        var urlComponents = URLComponents(string: "https://api.github.com/search/users")!
+        urlComponents.queryItems = [
+            URLQueryItem(name: "q", value: name)
+        ]
+        var request = URLRequest(url: urlComponents.url!)
+        request.addValue("application/json", forHTTPHeaderField: "Content-Type")
+
+        let assign = Subscribers.Assign(object: self, keyPath: \.users)
+        cancellable = assign
+
+        URLSession.shared.send(request: request)
+            .map { $0.data }
+            .decode(type: SearchUserResponse.self, decoder: JSONDecoder())
+            .map { $0.items }
+            .replaceError(with: [])
+            .receive(subscriber: assign)
+    }
+
+    func getImage(for user: User) {
+        guard case .none = userImages[user] else {
+            return
+        }
+
+        let request = URLRequest(url: user.avatar_url)
+        URLSession.shared.send(request: request)
+            .map { UIImage(data: $0.data) }
+            .replaceError(with: nil)
+            .eraseToAnyPublisher()
+            .receive(subscriber: Subscribers.Sink<AnyPublisher<UIImage?, Never>> { [weak self] image in
+                self?.userImages[user] = image
+            })
+    }
+}