From abfe62b1c942ac55a65b05e24a9c0774e2835013 Mon Sep 17 00:00:00 2001
From: "Alkenso (Vladimir Vashurkin)" <alkensox@gmail.com>
Date: Tue, 10 Dec 2024 07:30:33 +0200
Subject: [PATCH] Add HTTPClientProtocol to allow easier mocking

---
 Sources/SpellbookHTTP/HTTPClient.swift | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Sources/SpellbookHTTP/HTTPClient.swift b/Sources/SpellbookHTTP/HTTPClient.swift
index 3f4ab4c..6fc9855 100644
--- a/Sources/SpellbookHTTP/HTTPClient.swift
+++ b/Sources/SpellbookHTTP/HTTPClient.swift
@@ -31,6 +31,21 @@ public protocol HTTPClientProtocol {
     func data(for request: () throws -> URLRequest, delegate: URLSessionTaskDelegate?) async throws -> HTTPResult<Data>
 }
 
+@available(macOS 12.0, iOS 15, tvOS 15.0, watchOS 8.0, *)
+extension HTTPClientProtocol {
+    public func data(for request: () throws -> URLRequest, completion: @escaping (Result<HTTPResult<Data>, any Error>) -> Void) {
+        let request = Result(catching: request)
+        Task {
+            do {
+                let result = try await data(for: request.get, delegate: nil)
+                completion(.success(result))
+            } catch {
+                completion(.failure(error))
+            }
+        }
+    }
+}
+
 open class HTTPClient: HTTPClientProtocol {
     private var additionalHeaders = Synchronized<HTTPParameters<HTTPHeader>>(.unfair, .init())
     private let session: URLSession