Index: node_modules/set-blocking/index.js
===================================================================
--- node_modules/set-blocking/index.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
+++ node_modules/set-blocking/index.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
@@ -0,0 +1,7 @@
+module.exports = function (blocking) {
+  [process.stdout, process.stderr].forEach(function (stream) {
+    if (stream._handle && stream.isTTY && typeof stream._handle.setBlocking === 'function') {
+      stream._handle.setBlocking(blocking)
+    }
+  })
+}