From 27795119ee68dfe643d1e6d95af612ffb4ba80ad Mon Sep 17 00:00:00 2001
From: Damien Arrachequesne <damien.arrachequesne@gmail.com>
Date: Mon, 24 Apr 2017 13:49:16 +0200
Subject: [PATCH] move binary detection to the parser

---
 index.js     | 5 +++++
 package.json | 1 +
 2 files changed, 6 insertions(+)

diff --git a/index.js b/index.js
index 65ee2ad..ea206ea 100644
--- a/index.js
+++ b/index.js
@@ -5,6 +5,7 @@
 
 var debug = require('debug')('socket.io-parser');
 var Emitter = require('component-emitter');
+var hasBin = require('has-binary2');
 var binary = require('./binary');
 var isBuf = require('./is-buffer');
 
@@ -123,6 +124,10 @@ function Encoder() {}
  */
 
 Encoder.prototype.encode = function(obj, callback){
+  if ((obj.type === exports.EVENT || obj.type === exports.ACK) && hasBin(obj.data)) {
+    obj.type = obj.type === exports.EVENT ? exports.BINARY_EVENT : exports.BINARY_ACK;
+  }
+
   debug('encoding packet %j', obj);
 
   if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {
diff --git a/package.json b/package.json
index a10abc8..74dd27a 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
   "dependencies": {
     "debug": "2.3.3",
     "component-emitter": "1.2.1",
+    "has-binary2": "1.0.1",
     "isarray": "2.0.1"
   },
   "devDependencies": {