routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/npm-run-all2/test/lib/buffer-stream.js

@@ -0,0 +1,47 @@
+/**
+ * @author Toru Nagashima
+ * @copyright 2016 Toru Nagashima. All rights reserved.
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+const stream = require('stream')
+
+// ------------------------------------------------------------------------------
+// Public Interface
+// ------------------------------------------------------------------------------
+
+/**
+ * The stream to accumulate written data as a single string.
+ */
+module.exports = class BufferStream extends stream.Writable {
+  /**
+     * Initialize the current data as a empty string.
+     */
+  constructor () {
+    super()
+
+    /**
+         * Accumulated data.
+         * @type {string}
+         */
+    this.value = ''
+  }
+
+  /**
+     * Accumulates written data.
+     *
+     * @param {string|Buffer} chunk - A written data.
+     * @param {string} _encoding - The encoding of chunk.
+     * @param {function} callback - The callback to notify done.
+     * @returns {void}
+     */
+  _write (chunk, _encoding, callback) {
+    this.value += chunk.toString()
+    callback()
+  }
+}