From 9e7833c05b3a168a4da2b2eb351135710d5e3086 Mon Sep 17 00:00:00 2001
From: Joe Haddad <timer150@gmail.com>
Date: Sun, 19 Nov 2017 15:18:38 -0500
Subject: [PATCH] Use Node's spawn behavior except default to a shell on
 Windows

---
 packages/react-dev-utils/crossSpawn.js  | 32 ++++++++++++++++++++++++-
 packages/react-dev-utils/openBrowser.js |  2 +-
 packages/react-dev-utils/package.json   |  1 -
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/packages/react-dev-utils/crossSpawn.js b/packages/react-dev-utils/crossSpawn.js
index b772086f21a..dddef818b87 100644
--- a/packages/react-dev-utils/crossSpawn.js
+++ b/packages/react-dev-utils/crossSpawn.js
@@ -7,6 +7,36 @@
 
 'use strict';
 
-var crossSpawn = require('cross-spawn');
+const { spawn } = require('child_process');
+
+function crossSpawn(file, args, options) {
+  if (typeof file !== 'string' || file.length === 0) {
+    throw new TypeError('"file" argument must be a non-empty string');
+  }
+
+  if (Array.isArray(args)) {
+    args = args.slice(0);
+  } else if (
+    args !== undefined &&
+    (args === null || typeof args !== 'object')
+  ) {
+    throw new TypeError('Incorrect value of args option');
+  } else {
+    options = args;
+    args = [];
+  }
+
+  if (options === undefined) {
+    options = {};
+  } else if (options === null || typeof options !== 'object') {
+    throw new TypeError('"options" argument must be an object');
+  }
+
+  // Default to using a shell on Windows
+  if (options.shell === undefined && process.platform === 'win32') {
+    options.shell = true;
+  }
+  return spawn(file, args, options);
+}
 
 module.exports = crossSpawn;
diff --git a/packages/react-dev-utils/openBrowser.js b/packages/react-dev-utils/openBrowser.js
index cb9f32c6a85..d6a459eab0e 100644
--- a/packages/react-dev-utils/openBrowser.js
+++ b/packages/react-dev-utils/openBrowser.js
@@ -9,7 +9,7 @@
 
 var chalk = require('chalk');
 var execSync = require('child_process').execSync;
-var spawn = require('cross-spawn');
+var spawn = require('./crossSpawn');
 var opn = require('opn');
 
 // https://github.com/sindresorhus/opn#app
diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index 54606f33fe8..a1def4bfa10 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -39,7 +39,6 @@
     "address": "1.0.3",
     "babel-code-frame": "6.26.0",
     "chalk": "1.1.3",
-    "cross-spawn": "5.1.0",
     "detect-port-alt": "1.1.3",
     "escape-string-regexp": "1.0.5",
     "filesize": "3.5.11",