add file

node_modules/bfj/src/datastream.js

@@ -0,0 +1,17 @@
+'use strict'
+
+const check = require('check-types')
+const BfjStream = require('./stream')
+const util = require('util')
+
+util.inherits(DataStream, BfjStream)
+
+module.exports = DataStream
+
+function DataStream (read, options) {
+  if (check.not.instanceStrict(this, DataStream)) {
+    return new DataStream(read, options)
+  }
+
+  return BfjStream.call(this, read, Object.assign({ objectMode: true }, options))
+}