From 27fa6949f38896e18a6ef426516359f8d54e7db6 Mon Sep 17 00:00:00 2001
From: "Chris West (Faux)" <git@goeswhere.com>
Date: Fri, 13 Dec 2019 10:51:25 +0000
Subject: [PATCH] refactor: remove indexof dependency

This is a polyfill for indexOf(), which we use literally everywhere else.
---
 lib/socket.js     | 3 +--
 package-lock.json | 9 +++++----
 package.json      | 1 -
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/lib/socket.js b/lib/socket.js
index 3322c361b..85951e6a1 100644
--- a/lib/socket.js
+++ b/lib/socket.js
@@ -1,7 +1,6 @@
 const transports = require("./transports/index");
 const Emitter = require("component-emitter");
 const debug = require("debug")("engine.io-client:socket");
-const index = require("indexof");
 const parser = require("engine.io-parser");
 const parseuri = require("parseuri");
 const parseqs = require("parseqs");
@@ -643,7 +642,7 @@ class Socket extends Emitter {
     let i = 0;
     const j = upgrades.length;
     for (; i < j; i++) {
-      if (~index(this.transports, upgrades[i]))
+      if (~this.transports.indexOf(upgrades[i]))
         filteredUpgrades.push(upgrades[i]);
     }
     return filteredUpgrades;
diff --git a/package-lock.json b/package-lock.json
index 125b90b6f..abbd1cf9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3552,7 +3552,7 @@
         "cookie": "0.3.1",
         "cors": "~2.8.5",
         "debug": "~4.1.0",
-        "engine.io-parser": "git+https://github.com/socketio/engine.io-parser.git#v4",
+        "engine.io-parser": "~4.0.0-alpha.0",
         "ws": "^7.1.2"
       },
       "dependencies": {
@@ -3563,8 +3563,8 @@
           "dev": true
         },
         "engine.io-parser": {
-          "version": "git+https://github.com/socketio/engine.io-parser.git#7f5a903f91c4851e5807595adc50964474260048",
-          "from": "git+https://github.com/socketio/engine.io-parser.git#v4",
+          "version": "4.0.0-alpha.0",
+          "resolved": "git+https://github.com/socketio/engine.io-parser.git#7f5a903f91c4851e5807595adc50964474260048",
           "dev": true,
           "requires": {
             "after": "0.8.2",
@@ -5874,7 +5874,8 @@
     "indexof": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
-      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
+      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=",
+      "dev": true
     },
     "infer-owner": {
       "version": "1.0.4",
diff --git a/package.json b/package.json
index a938a66e7..cfcdc76a6 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,6 @@
     "debug": "~4.1.0",
     "engine.io-parser": "~4.0.0-alpha.0",
     "has-cors": "1.1.0",
-    "indexof": "0.0.1",
     "parseqs": "0.0.5",
     "parseuri": "0.0.5",
     "ws": "~7.2.1",