WebSocket polyfill

Summary:
- Added as a library in /Libraries/WebSocket
- Drag and drop to add to project (similar to adding Geolocation polyfill)
- Exposed as `window.WebSocket` which conforms with https://developer.mozilla.org/en-US/docs/Web/API/WebSocket specs
Closes https://github.com/facebook/react-native/pull/890
Github Author: Harrison Harnisch <hharnisc@gmail.com>

Test Plan: Imported from GitHub, without a `Test Plan:` line.
This commit is contained in:
Harrison Harnisch
2015-05-14 09:28:09 -07:00
parent 55e280d200
commit babdc21614
18 changed files with 2265 additions and 2270 deletions

View File

@@ -41,12 +41,12 @@ function handleErrorWithRedBox(e, isFatal) {
}
}
function setupRedBoxErrorHandler() {
function setUpRedBoxErrorHandler() {
var ErrorUtils = require('ErrorUtils');
ErrorUtils.setGlobalHandler(handleErrorWithRedBox);
}
function setupRedBoxConsoleErrorHandler() {
function setUpRedBoxConsoleErrorHandler() {
// ExceptionsManager transitively requires Promise so we install it after
var ExceptionsManager = require('ExceptionsManager');
var Platform = require('Platform');
@@ -63,7 +63,7 @@ function setupRedBoxConsoleErrorHandler() {
* implement our own custom timing bridge that should be immune to
* unexplainably dropped timing signals.
*/
function setupTimers() {
function setUpTimers() {
var JSTimers = require('JSTimers');
GLOBAL.setTimeout = JSTimers.setTimeout;
GLOBAL.setInterval = JSTimers.setInterval;
@@ -78,7 +78,7 @@ function setupTimers() {
};
}
function setupAlert() {
function setUpAlert() {
var RCTAlertManager = require('NativeModules').AlertManager;
if (!GLOBAL.alert) {
GLOBAL.alert = function(text) {
@@ -92,13 +92,13 @@ function setupAlert() {
}
}
function setupPromise() {
function setUpPromise() {
// The native Promise implementation throws the following error:
// ERROR: Event loop not supported.
GLOBAL.Promise = require('Promise');
}
function setupXHR() {
function setUpXHR() {
// The native XMLHttpRequest in Chrome dev tools is CORS aware and won't
// let you fetch anything from the internet
GLOBAL.XMLHttpRequest = require('XMLHttpRequest');
@@ -110,15 +110,20 @@ function setupXHR() {
GLOBAL.Response = fetchPolyfill.Response;
}
function setupGeolocation() {
function setUpGeolocation() {
GLOBAL.navigator = GLOBAL.navigator || {};
GLOBAL.navigator.geolocation = require('Geolocation');
}
setupRedBoxErrorHandler();
setupTimers();
setupAlert();
setupPromise();
setupXHR();
setupRedBoxConsoleErrorHandler();
setupGeolocation();
function setUpWebSockets() {
GLOBAL.WebSocket = require('WebSocket');
}
setUpRedBoxErrorHandler();
setUpTimers();
setUpAlert();
setUpPromise();
setUpXHR();
setUpRedBoxConsoleErrorHandler();
setUpGeolocation();
setUpWebSockets();

View File

@@ -1,275 +0,0 @@
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View File

@@ -1,132 +0,0 @@
//
// Copyright 2012 Square Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import <Foundation/Foundation.h>
#import <Security/SecCertificate.h>
typedef enum {
SR_CONNECTING = 0,
SR_OPEN = 1,
SR_CLOSING = 2,
SR_CLOSED = 3,
} SRReadyState;
typedef enum SRStatusCode : NSInteger {
SRStatusCodeNormal = 1000,
SRStatusCodeGoingAway = 1001,
SRStatusCodeProtocolError = 1002,
SRStatusCodeUnhandledType = 1003,
// 1004 reserved.
SRStatusNoStatusReceived = 1005,
// 1004-1006 reserved.
SRStatusCodeInvalidUTF8 = 1007,
SRStatusCodePolicyViolated = 1008,
SRStatusCodeMessageTooBig = 1009,
} SRStatusCode;
@class SRWebSocket;
extern NSString *const SRWebSocketErrorDomain;
extern NSString *const SRHTTPResponseErrorKey;
#pragma mark - SRWebSocketDelegate
@protocol SRWebSocketDelegate;
#pragma mark - SRWebSocket
@interface SRWebSocket : NSObject <NSStreamDelegate>
@property (nonatomic, weak) id <SRWebSocketDelegate> delegate;
@property (nonatomic, readonly) SRReadyState readyState;
@property (nonatomic, readonly, retain) NSURL *url;
// This returns the negotiated protocol.
// It will be nil until after the handshake completes.
@property (nonatomic, readonly, copy) NSString *protocol;
// Protocols should be an array of strings that turn into Sec-WebSocket-Protocol.
- (id)initWithURLRequest:(NSURLRequest *)request protocols:(NSArray *)protocols;
- (id)initWithURLRequest:(NSURLRequest *)request;
// Some helper constructors.
- (id)initWithURL:(NSURL *)url protocols:(NSArray *)protocols;
- (id)initWithURL:(NSURL *)url;
// Delegate queue will be dispatch_main_queue by default.
// You cannot set both OperationQueue and dispatch_queue.
- (void)setDelegateOperationQueue:(NSOperationQueue*) queue;
- (void)setDelegateDispatchQueue:(dispatch_queue_t) queue;
// By default, it will schedule itself on +[NSRunLoop SR_networkRunLoop] using defaultModes.
- (void)scheduleInRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode;
- (void)unscheduleFromRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode;
// SRWebSockets are intended for one-time-use only. Open should be called once and only once.
- (void)open;
- (void)close;
- (void)closeWithCode:(NSInteger)code reason:(NSString *)reason;
// Send a UTF8 String or Data.
- (void)send:(id)data;
// Send Data (can be nil) in a ping message.
- (void)sendPing:(NSData *)data;
@end
#pragma mark - SRWebSocketDelegate
@protocol SRWebSocketDelegate <NSObject>
// message will either be an NSString if the server is using text
// or NSData if the server is using binary.
- (void)webSocket:(SRWebSocket *)webSocket didReceiveMessage:(id)message;
@optional
- (void)webSocketDidOpen:(SRWebSocket *)webSocket;
- (void)webSocket:(SRWebSocket *)webSocket didFailWithError:(NSError *)error;
- (void)webSocket:(SRWebSocket *)webSocket didCloseWithCode:(NSInteger)code reason:(NSString *)reason wasClean:(BOOL)wasClean;
- (void)webSocket:(SRWebSocket *)webSocket didReceivePong:(NSData *)pongPayload;
@end
#pragma mark - NSURLRequest (CertificateAdditions)
@interface NSURLRequest (CertificateAdditions)
@property (nonatomic, retain, readonly) NSArray *SR_SSLPinnedCertificates;
@end
#pragma mark - NSMutableURLRequest (CertificateAdditions)
@interface NSMutableURLRequest (CertificateAdditions)
@property (nonatomic, retain) NSArray *SR_SSLPinnedCertificates;
@end
#pragma mark - NSRunLoop (SRWebSocket)
@interface NSRunLoop (SRWebSocket)
+ (NSRunLoop *)SR_networkRunLoop;
@end

File diff suppressed because it is too large Load Diff

View File

@@ -0,0 +1,132 @@
//
// Copyright 2012 Square Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import <Foundation/Foundation.h>
#import <Security/SecCertificate.h>
typedef enum {
RCTSR_CONNECTING = 0,
RCTSR_OPEN = 1,
RCTSR_CLOSING = 2,
RCTSR_CLOSED = 3,
} RCTSRReadyState;
typedef enum RCTSRStatusCode : NSInteger {
RCTSRStatusCodeNormal = 1000,
RCTSRStatusCodeGoingAway = 1001,
RCTSRStatusCodeProtocolError = 1002,
RCTSRStatusCodeUnhandledType = 1003,
// 1004 reserved.
RCTSRStatusNoStatusReceived = 1005,
// 1004-1006 reserved.
RCTSRStatusCodeInvalidUTF8 = 1007,
RCTSRStatusCodePolicyViolated = 1008,
RCTSRStatusCodeMessageTooBig = 1009,
} RCTSRStatusCode;
@class RCTSRWebSocket;
extern NSString *const RCTSRWebSocketErrorDomain;
extern NSString *const RCTSRHTTPResponseErrorKey;
#pragma mark - RCTSRWebSocketDelegate
@protocol RCTSRWebSocketDelegate;
#pragma mark - RCTSRWebSocket
@interface RCTSRWebSocket : NSObject <NSStreamDelegate>
@property (nonatomic, weak) id<RCTSRWebSocketDelegate> delegate;
@property (nonatomic, readonly) RCTSRReadyState readyState;
@property (nonatomic, readonly, strong) NSURL *url;
// This returns the negotiated protocol.
// It will be nil until after the handshake completes.
@property (nonatomic, readonly, copy) NSString *protocol;
// Protocols should be an array of strings that turn into Sec-WebSocket-Protocol.
- (instancetype)initWithURLRequest:(NSURLRequest *)request protocols:(NSArray *)protocols NS_DESIGNATED_INITIALIZER;
- (instancetype)initWithURLRequest:(NSURLRequest *)request;
// Some helper constructors.
- (instancetype)initWithURL:(NSURL *)url protocols:(NSArray *)protocols;
- (instancetype)initWithURL:(NSURL *)url;
// Delegate queue will be dispatch_main_queue by default.
// You cannot set both OperationQueue and dispatch_queue.
- (void)setDelegateOperationQueue:(NSOperationQueue*) queue;
- (void)setDelegateDispatchQueue:(dispatch_queue_t) queue;
// By default, it will schedule itself on +[NSRunLoop RCTSR_networkRunLoop] using defaultModes.
- (void)scheduleInRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode;
- (void)unscheduleFromRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode;
// RCTSRWebSockets are intended for one-time-use only. Open should be called once and only once.
- (void)open;
- (void)close;
- (void)closeWithCode:(NSInteger)code reason:(NSString *)reason;
// Send a UTF8 String or Data.
- (void)send:(id)data;
// Send Data (can be nil) in a ping message.
- (void)sendPing:(NSData *)data;
@end
#pragma mark - RCTSRWebSocketDelegate
@protocol RCTSRWebSocketDelegate <NSObject>
// message will either be an NSString if the server is using text
// or NSData if the server is using binary.
- (void)webSocket:(RCTSRWebSocket *)webSocket didReceiveMessage:(id)message;
@optional
- (void)webSocketDidOpen:(RCTSRWebSocket *)webSocket;
- (void)webSocket:(RCTSRWebSocket *)webSocket didFailWithError:(NSError *)error;
- (void)webSocket:(RCTSRWebSocket *)webSocket didCloseWithCode:(NSInteger)code reason:(NSString *)reason wasClean:(BOOL)wasClean;
- (void)webSocket:(RCTSRWebSocket *)webSocket didReceivePong:(NSData *)pongPayload;
@end
#pragma mark - NSURLRequest (CertificateAdditions)
@interface NSURLRequest (CertificateAdditions)
@property (nonatomic, readonly, copy) NSArray *RCTSR_SSLPinnedCertificates;
@end
#pragma mark - NSMutableURLRequest (CertificateAdditions)
@interface NSMutableURLRequest (CertificateAdditions)
@property (nonatomic, copy) NSArray *RCTSR_SSLPinnedCertificates;
@end
#pragma mark - NSRunLoop (RCTSRWebSocket)
@interface NSRunLoop (RCTSRWebSocket)
+ (NSRunLoop *)RCTSR_networkRunLoop;
@end

File diff suppressed because it is too large Load Diff

View File

@@ -15,7 +15,7 @@
@interface RCTWebSocketExecutor : NSObject <RCTJavaScriptExecutor>
- (instancetype)initWithURL:(NSURL *)URL;
- (instancetype)initWithURL:(NSURL *)URL NS_DESIGNATED_INITIALIZER;
@end

View File

@@ -16,16 +16,17 @@
#import "RCTLog.h"
#import "RCTSparseArray.h"
#import "RCTUtils.h"
#import "SRWebSocket.h"
#import "RCTSRWebSocket.h"
typedef void (^WSMessageCallback)(NSError *error, NSDictionary *reply);
typedef void (^RCTWSMessageCallback)(NSError *error, NSDictionary *reply);
@interface RCTWebSocketExecutor () <RCTSRWebSocketDelegate>
@interface RCTWebSocketExecutor () <SRWebSocketDelegate>
@end
@implementation RCTWebSocketExecutor
{
SRWebSocket *_socket;
RCTSRWebSocket *_socket;
dispatch_queue_t _jsQueue;
RCTSparseArray *_callbacks;
dispatch_semaphore_t _socketOpenSemaphore;
@@ -42,7 +43,7 @@ typedef void (^WSMessageCallback)(NSError *error, NSDictionary *reply);
if (self = [super init]) {
_jsQueue = dispatch_queue_create("com.facebook.React.WebSocketExecutor", DISPATCH_QUEUE_SERIAL);
_socket = [[SRWebSocket alloc] initWithURL:URL];
_socket = [[RCTSRWebSocket alloc] initWithURL:URL];
_socket.delegate = self;
_callbacks = [[RCTSparseArray alloc] init];
_injectedObjects = [[NSMutableDictionary alloc] init];
@@ -95,28 +96,28 @@ typedef void (^WSMessageCallback)(NSError *error, NSDictionary *reply);
return runtimeIsReady == 0 && initError == nil;
}
- (void)webSocket:(SRWebSocket *)webSocket didReceiveMessage:(id)message
- (void)webSocket:(RCTSRWebSocket *)webSocket didReceiveMessage:(id)message
{
NSError *error = nil;
NSDictionary *reply = RCTJSONParse(message, &error);
NSNumber *messageID = reply[@"replyID"];
WSMessageCallback callback = _callbacks[messageID];
RCTWSMessageCallback callback = _callbacks[messageID];
if (callback) {
callback(error, reply);
}
}
- (void)webSocketDidOpen:(SRWebSocket *)webSocket
- (void)webSocketDidOpen:(RCTSRWebSocket *)webSocket
{
dispatch_semaphore_signal(_socketOpenSemaphore);
}
- (void)webSocket:(SRWebSocket *)webSocket didFailWithError:(NSError *)error
- (void)webSocket:(RCTSRWebSocket *)webSocket didFailWithError:(NSError *)error
{
RCTLogError(@"WebSocket connection failed with error %@", error);
}
- (void)sendMessage:(NSDictionary *)message context:(NSNumber *)executorID waitForReply:(WSMessageCallback)callback
- (void)sendMessage:(NSDictionary *)message context:(NSNumber *)executorID waitForReply:(RCTWSMessageCallback)callback
{
static NSUInteger lastID = 10000;
@@ -190,7 +191,7 @@ typedef void (^WSMessageCallback)(NSError *error, NSDictionary *reply);
- (BOOL)isValid
{
return _socket != nil && _socket.readyState == SR_OPEN;
return _socket != nil && _socket.readyState == RCTSR_OPEN;
}
- (void)dealloc

View File

@@ -0,0 +1,14 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTBridgeModule.h"
@interface RCTWebSocketManager : NSObject <RCTBridgeModule>
@end

View File

@@ -0,0 +1,116 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTWebSocketManager.h"
#import "RCTBridge.h"
#import "RCTEventDispatcher.h"
#import "RCTSRWebSocket.h"
#import "RCTSparseArray.h"
@implementation RCTSRWebSocket (React)
- (NSNumber *)reactTag
{
return objc_getAssociatedObject(self, _cmd);
}
- (void)setReactTag:(NSNumber *)reactTag
{
objc_setAssociatedObject(self, @selector(reactTag), reactTag, OBJC_ASSOCIATION_COPY_NONATOMIC);
}
@end
@interface RCTWebSocketManager () <RCTSRWebSocketDelegate>
@end
@implementation RCTWebSocketManager
{
RCTSparseArray *_sockets;
}
RCT_EXPORT_MODULE()
@synthesize bridge = _bridge;
- (instancetype)init
{
if ((self = [super init])) {
_sockets = [[RCTSparseArray alloc] init];
}
return self;
}
- (void)dealloc
{
for (RCTSRWebSocket *socket in _sockets.allObjects) {
socket.delegate = nil;
[socket close];
}
}
RCT_EXPORT_METHOD(connect:(NSURL *)URL socketID:(NSNumber *)socketID)
{
RCTSRWebSocket *webSocket = [[RCTSRWebSocket alloc] initWithURL:URL];
webSocket.delegate = self;
webSocket.reactTag = socketID;
_sockets[socketID] = webSocket;
[webSocket open];
}
RCT_EXPORT_METHOD(send:(NSString *)message socketID:(NSNumber *)socketID)
{
[_sockets[socketID] send:message];
}
RCT_EXPORT_METHOD(close:(NSNumber *)socketID)
{
[_sockets[socketID] close];
_sockets[socketID] = nil;
}
#pragma mark - RCTSRWebSocketDelegate methods
- (void)webSocket:(RCTSRWebSocket *)webSocket didReceiveMessage:(id)message
{
[_bridge.eventDispatcher sendDeviceEventWithName:@"websocketMessage" body:@{
@"data": message,
@"id": webSocket.reactTag
}];
}
- (void)webSocketDidOpen:(RCTSRWebSocket *)webSocket
{
[_bridge.eventDispatcher sendDeviceEventWithName:@"websocketOpen" body:@{
@"id": webSocket.reactTag
}];
}
- (void)webSocket:(RCTSRWebSocket *)webSocket didFailWithError:(NSError *)error
{
[_bridge.eventDispatcher sendDeviceEventWithName:@"websocketFailed" body:@{
@"message":[error localizedDescription],
@"id": webSocket.reactTag
}];
}
- (void)webSocket:(RCTSRWebSocket *)webSocket didCloseWithCode:(NSInteger)code
reason:(NSString *)reason wasClean:(BOOL)wasClean
{
[_bridge.eventDispatcher sendDeviceEventWithName:@"websocketClosed" body:@{
@"code": @(code),
@"reason": reason,
@"clean": @(wasClean),
@"id": webSocket.reactTag
}];
}
@end

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule WebSocket
*
*/
'use strict';
var WebSocketBase = require('WebSocketBase');
class WebSocket extends WebSocketBase {
connectToSocketImpl(url: string): void {
console.warn('WebSocket is not yet supported on Android');
}
closeConnectionImpl(): void{
console.warn('WebSocket is not yet supported on Android');
}
cancelConnectionImpl(): void {
console.warn('WebSocket is not yet supported on Android');
}
sendStringImpl(message: string): void {
console.warn('WebSocket is not yet supported on Android');
}
sendArrayBufferImpl(): void {
console.warn('WebSocket is not yet supported on Android');
}
}
module.exports = WebSocket;

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule WebSocket
*
*/
'use strict';
var RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
var RCTWebSocketManager = require('NativeModules').WebSocketManager;
var WebSocketBase = require('WebSocketBase');
var WebSocketId = 0;
class WebSocket extends WebSocketBase {
_socketId: number;
_subs: any;
connectToSocketImpl(url: string): void {
this._socketId = WebSocketId++;
RCTWebSocketManager.connect(url, this._socketId);
this._registerEvents(this._socketId);
}
closeConnectionImpl(): void {
RCTWebSocketManager.close(this._socketId);
}
cancelConnectionImpl(): void {
RCTWebSocketManager.close(this._socketId);
}
sendStringImpl(message: string): void {
RCTWebSocketManager.send(message, this._socketId);
}
sendArrayBufferImpl(): void {
// TODO
console.warn('Sending ArrayBuffers is not yet supported');
}
_unregisterEvents(): void {
this._subs.forEach(e => e.remove());
this._subs = [];
}
_registerEvents(id: number): void {
this._subs = [
RCTDeviceEventEmitter.addListener(
'websocketMessage',
function(ev) {
if (ev.id !== id) {
return;
}
this.onmessage && this.onmessage({
data: ev.data
});
}.bind(this)
),
RCTDeviceEventEmitter.addListener(
'websocketOpen',
function(ev) {
if (ev.id !== id) {
return;
}
this.readyState = this.OPEN;
this.onopen && this.onopen();
}.bind(this)
),
RCTDeviceEventEmitter.addListener(
'websocketClosed',
function(ev) {
if (ev.id !== id) {
return;
}
this.readyState = this.CLOSED;
this.onclose && this.onclose(ev);
this._unregisterEvents();
RCTWebSocketManager.close(id);
}.bind(this)
),
RCTDeviceEventEmitter.addListener(
'websocketFailed',
function(ev) {
if (ev.id !== id) {
return;
}
this.onerror && this.onerror(new Error(ev.message));
this._unregisterEvents();
RCTWebSocketManager.close(id);
}.bind(this)
)
];
}
}
module.exports = WebSocket;

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule WebSocketBase
*
*/
'use strict';
/**
* Shared base for platform-specific WebSocket implementations.
*/
class WebSocketBase {
CONNECTING: number;
OPEN: number;
CLOSING: number;
CLOSED: number;
onclose: ?Function;
onerror: ?Function;
onmessage: ?Function;
onopen: ?Function;
binaryType: ?string;
bufferedAmount: number;
extension: ?string;
protocol: ?string;
readyState: number;
url: ?string;
constructor(url: string, protocols: ?any) {
this.CONNECTING = 0;
this.OPEN = 1;
this.CLOSING = 2;
this.CLOSED = 3;
if (!protocols) {
protocols = [];
}
this.connectToSocketImpl(url);
}
close(): void {
if (this.readyState === WebSocketBase.CLOSING ||
this.readyState === WebSocketBase.CLOSED) {
return;
}
if (this.readyState === WebSocketBase.CONNECTING) {
this.cancelConnectionImpl();
}
this.closeConnectionImpl();
}
send(data: any): void {
if (this.readyState === WebSocketBase.CONNECTING) {
throw new Error('INVALID_STATE_ERR');
}
if (typeof data === 'string') {
this.sendStringImpl(data);
} else if (data instanceof ArrayBuffer) {
this.sendArrayBufferImpl(data);
} else {
throw new Error('Not supported data type');
}
}
closeConnectionImpl(): void {
throw new Error('Subclass must define closeConnectionImpl method');
}
connectToSocketImpl(): void {
throw new Error('Subclass must define connectToSocketImpl method');
}
cancelConnectionImpl(): void {
throw new Error('Subclass must define cancelConnectionImpl method');
}
sendStringImpl(): void {
throw new Error('Subclass must define sendStringImpl method');
}
sendArrayBufferImpl(): void {
throw new Error('Subclass must define sendArrayBufferImpl method');
}
}
module.exports = WebSocketBase;