cheykrym/socket.io-client-swift
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Don’t create empty closures when we don’t need them.

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Fixes https://github.com/socketio/socket.io-client-swift/issues/1118.
This commit is contained in:
Valentin Slawicek 2018-11-07 12:37:48 +01:00
parent 9708019adc
commit a4b334b6f2
10 changed files with 26 additions and 26 deletions
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10
Source/SocketIO/Client/SocketIOClient.swift
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@ -230,7 +230,7 @@ open class SocketIOClient : NSObject, SocketIOClientSpec {
/// - parameter event: The event to send.
/// - parameter items: The items to send with this event. May be left out.
/// - parameter completion: Callback called on transport write completion.
open func emit(_ event: String, _ items: SocketData..., completion: @escaping () -> ()) {
open func emit(_ event: String, _ items: SocketData..., completion: @escaping (() -> ())? = nil) {
do {
try emit(event, with: items.map({ try $0.socketRepresentation() }), completion: completion)
} catch {
@ -256,7 +256,7 @@ open class SocketIOClient : NSObject, SocketIOClientSpec {
/// - parameter items: The items to send with this event. Send an empty array to send no data.
/// - parameter completion: Callback called on transport write completion.
@objc
open func emit(_ event: String, with items: [Any], completion: @escaping () -> ()) {
open func emit(_ event: String, with items: [Any], completion: @escaping (() -> ())? = nil) {
emit([event] + items, completion: completion)
}
@ -317,10 +317,10 @@ open class SocketIOClient : NSObject, SocketIOClientSpec {
ack: Int? = nil,
binary: Bool = true,
isAck: Bool = false,
completion: @escaping () -> () = {}
completion: @escaping (() -> ())? = nil
) {
// wrap the completion handler so it always runs async via handlerQueue
let wrappedCompletion = {[weak self] in
let wrappedCompletion: (() -> ())? = (completion == nil) ? nil : {[weak self] in
guard let this = self else { return }
this.manager?.handleQueue.async {
completion()
@ -328,7 +328,7 @@ open class SocketIOClient : NSObject, SocketIOClientSpec {
}
guard status == .connected else {
wrappedCompletion()
wrappedCompletion?()
handleClientEvent(.error, data: ["Tried emitting when not connected"])
return
}

2
Source/SocketIO/Client/SocketIOClientSpec.swift
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@ -109,7 +109,7 @@ public protocol SocketIOClientSpec : AnyObject {
/// - parameter event: The event to send.
/// - parameter items: The items to send with this event. May be left out.
/// - parameter completion: Callback called on transport write completion.
func emit(_ event: String, _ items: SocketData..., completion: @escaping () -> ())
func emit(_ event: String, _ items: SocketData..., completion: @escaping (() -> ())? = nil)
/// Call when you wish to tell the server that you've received the event for `ack`.
///

12
Source/SocketIO/Engine/SocketEngine.swift
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@ -346,7 +346,7 @@ open class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePollable, So
if polling {
disconnectPolling(reason: reason)
} else {
sendWebSocketMessage("", withType: .close, withData: [], completion: {})
sendWebSocketMessage("", withType: .close, withData: [], completion: nil)
closeOutEngine(reason: reason)
}
}
@ -372,7 +372,7 @@ open class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePollable, So
DefaultSocketLogger.Logger.log("Switching to WebSockets", type: SocketEngine.logType)
sendWebSocketMessage("", withType: .upgrade, withData: [], completion: {})
sendWebSocketMessage("", withType: .upgrade, withData: [], completion: nil)
polling = false
fastUpgrade = false
probing = false
@ -550,7 +550,7 @@ open class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePollable, So
}
pongsMissed += 1
write("", withType: .ping, withData: [], completion: {})
write("", withType: .ping, withData: [], completion: nil)
engineQueue.asyncAfter(deadline: .now() + .milliseconds(pingInterval)) {[weak self, id = self.sid] in
// Make sure not to ping old connections
@ -606,7 +606,7 @@ open class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePollable, So
DefaultSocketLogger.Logger.log("Upgrading transport to WebSockets", type: SocketEngine.logType)
fastUpgrade = true
sendPollMessage("", withType: .noop, withData: [], completion: {})
sendPollMessage("", withType: .noop, withData: [], completion: nil)
// After this point, we should not send anymore polling messages
}
}
@ -617,10 +617,10 @@ open class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePollable, So
/// - parameter type: The type of this message.
/// - parameter data: Any data that this message has.
/// - parameter completion: Callback called on transport write completion.
open func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: @escaping () -> ()) {
open func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: @escaping (() -> ())? = nil) {
engineQueue.async {
guard self.connected else {
completion()
completion?()
return
}
guard !self.probing else {

6
Source/SocketIO/Engine/SocketEnginePollable.swift
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@ -65,7 +65,7 @@ public protocol SocketEnginePollable : SocketEngineSpec {
/// - parameter message: The message to send.
/// - parameter withType: The type of message to send.
/// - parameter withData: The data associated with this message.
func sendPollMessage(_ message: String, withType type: SocketEnginePacketType, withData datas: [Data], completion: @escaping () -> ())
func sendPollMessage(_ message: String, withType type: SocketEnginePacketType, withData datas: [Data], completion: @escaping (() -> ())?)
/// Call to stop polling and invalidate the URLSession.
func stopPolling()
@ -75,7 +75,7 @@ public protocol SocketEnginePollable : SocketEngineSpec {
extension SocketEnginePollable {
func createRequestForPostWithPostWait() -> URLRequest {
defer {
for packet in postWait { packet.completion() }
for packet in postWait { packet.completion?() }
postWait.removeAll(keepingCapacity: true)
}
@ -219,7 +219,7 @@ extension SocketEnginePollable {
/// - parameter withType: The type of message to send.
/// - parameter withData: The data associated with this message.
/// - parameter completion: Callback called on transport write completion.
public func sendPollMessage(_ message: String, withType type: SocketEnginePacketType, withData datas: [Data], completion: @escaping () -> ()) {
public func sendPollMessage(_ message: String, withType type: SocketEnginePacketType, withData datas: [Data], completion: @escaping (() -> ())? = nil) {
DefaultSocketLogger.Logger.log("Sending poll: \(message) as type: \(type.rawValue)", type: "SocketEnginePolling")
postWait.append((String(type.rawValue) + message, completion))

4
Source/SocketIO/Engine/SocketEngineSpec.swift
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@ -138,7 +138,7 @@ import Starscream
/// - parameter type: The type of this message.
/// - parameter data: Any data that this message has.
/// - parameter completion: Callback called on transport write completion.
func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: @escaping () -> ())
func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: @escaping (() -> ())?)
}
extension SocketEngineSpec {
@ -180,7 +180,7 @@ extension SocketEngineSpec {
}
/// Send an engine message (4)
func send(_ msg: String, withData datas: [Data], completion: @escaping () -> () = {}) {
func send(_ msg: String, withData datas: [Data], completion: @escaping (() -> ())? = nil) {
write(msg, withType: .message, withData: datas, completion: completion)
}
}

6
Source/SocketIO/Engine/SocketEngineWebsocket.swift
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@ -41,14 +41,14 @@ public protocol SocketEngineWebsocket : SocketEngineSpec {
func sendWebSocketMessage(_ str: String,
withType type: SocketEnginePacketType,
withData datas: [Data],
completion: @escaping () -> ())
completion: @escaping (() -> ())?)
}
// WebSocket methods
extension SocketEngineWebsocket {
func probeWebSocket() {
if ws?.isConnected ?? false {
sendWebSocketMessage("probe", withType: .ping, withData: [], completion: {})
sendWebSocketMessage("probe", withType: .ping, withData: [], completion: nil)
}
}
@ -63,7 +63,7 @@ extension SocketEngineWebsocket {
public func sendWebSocketMessage(_ str: String,
withType type: SocketEnginePacketType,
withData datas: [Data],
completion: @escaping () -> ()
completion: @escaping (() -> ())?
) {
DefaultSocketLogger.Logger.log("Sending ws: \(str) as type: \(type.rawValue)", type: "SocketEngineWebSocket")

2
Source/SocketIO/Manager/SocketManager.swift
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@ -286,7 +286,7 @@ open class SocketManager : NSObject, SocketManagerSpec, SocketParsable, SocketDa
/// - parameter items: The data to send with this event.
open func emitAll(_ event: String, withItems items: [Any]) {
forAll {socket in
socket.emit(event, with: items, completion: {})
socket.emit(event, with: items, completion: nil)
}
}

4
Source/SocketIO/Util/SocketTypes.swift
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@ -74,10 +74,10 @@ public typealias AckCallback = ([Any]) -> ()
public typealias NormalCallback = ([Any], SocketAckEmitter) -> ()
/// A typealias for a queued POST
public typealias Post = (msg: String, completion: (() -> ()))
public typealias Post = (msg: String, completion: (() -> ())?)
typealias JSON = [String: Any]
typealias Probe = (msg: String, type: SocketEnginePacketType, data: [Data], completion: (() -> ()))
typealias Probe = (msg: String, type: SocketEnginePacketType, data: [Data], completion: (() -> ())?)
typealias ProbeWaitQueue = [Probe]
enum Either<E, V> {

2
Tests/TestSocketIO/SocketMangerTest.swift
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@ -198,7 +198,7 @@ public class TestSocket : SocketIOClient {
super.didDisconnect(reason: reason)
}
public override func emit(_ event: String, with items: [Any], completion: @escaping () -> ()) {
public override func emit(_ event: String, with items: [Any], completion: @escaping (() -> ())?) {
expectations[ManagerExpectation.emitAllEventCalled]?.fulfill()
expectations[ManagerExpectation.emitAllEventCalled] = nil

2
Tests/TestSocketIO/SocketSideEffectTest.swift
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@ -511,5 +511,5 @@ class TestEngine : SocketEngineSpec {
func flushWaitingForPostToWebSocket() { }
func parseEngineData(_ data: Data) { }
func parseEngineMessage(_ message: String) { }
func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: @escaping () -> ()) { }
func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: @escaping (() -> ())?) { }
}