From abd94a7f5a50f43c797a11b53549ae48fff667c3 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 10 Oct 2016 03:43:44 +0200
Subject: add node_modules to address #4364

---
 node_modules/is-stream/index.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 node_modules/is-stream/index.js

(limited to 'node_modules/is-stream/index.js')

diff --git a/node_modules/is-stream/index.js b/node_modules/is-stream/index.js
new file mode 100644
index 000000000..6f7ec91a4
--- /dev/null
+++ b/node_modules/is-stream/index.js
@@ -0,0 +1,21 @@
+'use strict';
+
+var isStream = module.exports = function (stream) {
+	return stream !== null && typeof stream === 'object' && typeof stream.pipe === 'function';
+};
+
+isStream.writable = function (stream) {
+	return isStream(stream) && stream.writable !== false && typeof stream._write === 'function' && typeof stream._writableState === 'object';
+};
+
+isStream.readable = function (stream) {
+	return isStream(stream) && stream.readable !== false && typeof stream._read === 'function' && typeof stream._readableState === 'object';
+};
+
+isStream.duplex = function (stream) {
+	return isStream.writable(stream) && isStream.readable(stream);
+};
+
+isStream.transform = function (stream) {
+	return isStream.duplex(stream) && typeof stream._transform === 'function' && typeof stream._transformState === 'object';
+};
-- 
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