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/stream-shift/index.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 node_modules/stream-shift/index.js

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

diff --git a/node_modules/stream-shift/index.js b/node_modules/stream-shift/index.js
new file mode 100644
index 000000000..c4b18b9c2
--- /dev/null
+++ b/node_modules/stream-shift/index.js
@@ -0,0 +1,20 @@
+module.exports = shift
+
+function shift (stream) {
+  var rs = stream._readableState
+  if (!rs) return null
+  return rs.objectMode ? stream.read() : stream.read(getStateLength(rs))
+}
+
+function getStateLength (state) {
+  if (state.buffer.length) {
+    // Since node 6.3.0 state.buffer is a BufferList not an array
+    if (state.buffer.head) {
+      return state.buffer.head.data.length
+    }
+
+    return state.buffer[0].length
+  }
+
+  return state.length
+}
-- 
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