From 4b6e9d3dfd213689c5b319a4efee8d4f606d6f9d Mon Sep 17 00:00:00 2001
From: Eric Rozell <erozell@outlook.com>
Date: Sun, 8 Apr 2018 18:06:21 -0700
Subject: [PATCH] Revert "Remove Platform check from WebSocket module"

Summary:
This reverts commit b9be28915cf323eb36f1d7c77821cdf994954074.

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Fix #18696

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Run Jest tests.
Run WebSocket example from RNTester on Android.

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[ANDROID][BUGFIX][WebSocketModule] - revert change that regresses WebSocketModule
Closes https://github.com/facebook/react-native/pull/18733

Differential Revision: D7548850

Pulled By: hramos

fbshipit-source-id: b8c79810c1cd6e5a30ec4118bd5ff8ad719f04b9
---
 Libraries/WebSocket/WebSocket.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Libraries/WebSocket/WebSocket.js b/Libraries/WebSocket/WebSocket.js
index 021e42507e5db0..1b401d236c2830 100644
--- a/Libraries/WebSocket/WebSocket.js
+++ b/Libraries/WebSocket/WebSocket.js
@@ -14,6 +14,7 @@ const EventTarget = require('event-target-shim');
 const NativeEventEmitter = require('NativeEventEmitter');
 const BlobManager = require('BlobManager');
 const NativeModules = require('NativeModules');
+const Platform = require('Platform');
 const WebSocketEvent = require('WebSocketEvent');
 
 /* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
@@ -205,7 +206,7 @@ class WebSocket extends EventTarget(...WEBSOCKET_EVENTS) {
   }
 
   _close(code?: number, reason?: string): void {
-    if (WebSocketModule.close.length === 3) {
+    if (Platform.OS === 'android') {
       // See https://developer.mozilla.org/en-US/docs/Web/API/CloseEvent
       const statusCode = typeof code === 'number' ? code : CLOSE_NORMAL;
       const closeReason = typeof reason === 'string' ? reason : '';