add node_modules to address #4364

1 files changed, 49 insertions, 0 deletions

diff --git a/node_modules/duplexer2/example.js b/node_modules/duplexer2/example.js
new file mode 100755
index 000000000..90416e9ac
--- /dev/null
+++ b/node_modules/duplexer2/example.js
@@ -0,0 +1,49 @@
+#!/usr/bin/env node
+
+var stream = require("readable-stream");
+
+var duplexer2 = require("./");
+
+var writable = new stream.Writable({objectMode: true}),
+    readable = new stream.Readable({objectMode: true});
+
+writable._write = function _write(input, encoding, done) {
+  if (readable.push(input)) {
+    return done();
+  } else {
+    readable.once("drain", done);
+  }
+};
+
+readable._read = function _read(n) {
+  // no-op
+};
+
+// simulate the readable thing closing after a bit
+writable.once("finish", function() {
+  setTimeout(function() {
+    readable.push(null);
+  }, 500);
+});
+
+var duplex = duplexer2(writable, readable);
+
+duplex.on("data", function(e) {
+  console.log("got data", JSON.stringify(e));
+});
+
+duplex.on("finish", function() {
+  console.log("got finish event");
+});
+
+duplex.on("end", function() {
+  console.log("got end event");
+});
+
+duplex.write("oh, hi there", function() {
+  console.log("finished writing");
+});
+
+duplex.end(function() {
+  console.log("finished ending");
+});