Two handy extensions to work with HTTPClientResponse body

Sources/AsyncHTTPClient/AsyncAwait/HTTPClientResponse.swift

@@ -138,6 +138,19 @@ extension HTTPClientResponse {
     }
 }
 
+@available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
+extension HTTPClientResponse {
+    /// Response body as `ByteBuffer`.
+    public var bytes: ByteBuffer {
+        get async throws {
+            let expectedBytes = headers
+                .first(name: "content-length")
+                .flatMap(Int.init) ?? 1024 * 1024
+            return try await body.collect(upTo: expectedBytes)
+        }
+    }
+}
+
 @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
 @usableFromInline
 typealias TransactionBody = NIOThrowingAsyncSequenceProducer<

Sources/AsyncHTTPClient/FoundationExtensions.swift

@@ -64,3 +64,14 @@ extension HTTPClient.Body {
         return self.bytes(data)
     }
 }
+
+@available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
+extension HTTPClientResponse {
+    /// Response body as `Data`.
+    public var data: Data? {
+        get async throws {
+            var bytes = try await bytes
+            return bytes.readData(length: bytes.readableBytes)
+        }
+    }
+}