~20% faster json decoding

Package.swift

@@ -37,12 +37,16 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-argument-parser", from: "1.0.0"),
         .package(url: "https://github.com/jpsim/Yams.git", from: "4.0.4"),
         .package(url: "https://github.com/unstoppablefi/GzipSwift", .upToNextMajor(from: "5.0.0")),
+        .package(url: "https://github.com/michaeleisel/ZippyJSON", .upToNextMajor(from: "1.0.0")),
     ],
     targets: [
         /* SwiftGraphQL */
         .target(
             name: "SwiftGraphQL",
-            dependencies: [.product(name: "Gzip", package: "GzipSwift")],
+            dependencies: [
+                .product(name: "Gzip", package: "GzipSwift"),
+                .product(name: "ZippyJSON", package: "ZippyJSON")
+            ],
             path: "Sources/SwiftGraphQL"
         ),
         .target(

Sources/SwiftGraphQL/AnyCodable.swift

@@ -1,4 +1,5 @@
 import Foundation
+import ZippyJSON
 
 
 // Based on: https://github.com/yonaskolb/Codability/blob/master/Sources/Codability/AnyCodable.swift
@@ -123,7 +124,7 @@ extension AnyCodable: Equatable {
     /// Calling this allows you to compare AnyCodables that were initialised with a custom Encodable type.
     mutating func recode() throws {
         let encoded = try JSONEncoder().encode(self)
-        self = try JSONDecoder().decode(AnyCodable.self, from: encoded)
+        self = try ZippyJSONDecoder().decode(AnyCodable.self, from: encoded)
     }
 }
 

Sources/SwiftGraphQL/HTTP+WebSockets.swift

@@ -1,5 +1,6 @@
 import Foundation
 import Network
+import ZippyJSON
 
 import os.log
 
@@ -47,7 +48,7 @@ public class GraphQLSocket<S: GraphQLEnabledSocket> {
     private var queue: [(GraphQLSocket) -> Void] = []
     private var subscriptions: [String: (GraphQLSocketMessage) -> Void] = [:]
 
-    private var decoder = JSONDecoder()
+    private var decoder = ZippyJSONDecoder()
     private var encoder = JSONEncoder()
 
     // Every successful ping should be matched by a successful pong
@@ -101,7 +102,7 @@ public class GraphQLSocket<S: GraphQLEnabledSocket> {
 //                           log: OSLog.subscription,
 //                           type: .debug, (String(data: data, encoding: .utf8) ?? "Invalid .utf8")
 //                    )
-                    guard var message = try? JSONDecoder().decode(Message.self, from: data) else {
+                    guard var message = try? ZippyJSONDecoder().decode(Message.self, from: data) else {
                         os_log("Invalid JSON Payload", log: OSLog.subscription, type: .debug)
                         return false
                     }

Sources/SwiftGraphQL/Result.swift

@@ -1,4 +1,6 @@
 import Foundation
+import ZippyJSON
+//import zippyjson
 
 // MARK: - GraphQL Result
 
@@ -11,12 +13,12 @@ public struct GraphQLResult<Type, TypeLock> {
 extension GraphQLResult: Equatable where Type: Equatable, TypeLock: Decodable {}
 
 extension GraphQLResult where TypeLock: Decodable {
-    init(_ response: Data, with selection: Selection<Type, TypeLock?>) throws {
+    public init(_ response: Data, with selection: Selection<Type, TypeLock?>) throws {
         // Decodes the data using provided selection.
         var errors: [GraphQLError]? = nil
         var extensions: [String: AnyCodable]? = nil
         do {
-            let decoder = JSONDecoder()
+            let decoder = ZippyJSONDecoder()
             let response = try decoder.decode(GraphQLResponse.self, from: response)
             errors = response.errors
             extensions = response.extensions