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diff --git a/node_modules/npm-run-all/lib/create-prefix-transform-stream.js b/node_modules/npm-run-all/lib/create-prefix-transform-stream.js
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+++ b/node_modules/npm-run-all/lib/create-prefix-transform-stream.js
@@ -0,0 +1,89 @@
+/**
+ * @module create-prefix-transform-stream
+ * @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")
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ALL_BR = /\n/g
+
+/**
+ * The transform stream to insert a specific prefix.
+ *
+ * Several streams can exist for the same output stream.
+ * This stream will insert the prefix if the last output came from other instance.
+ * To do that, this stream is using a shared state object.
+ *
+ * @private
+ */
+class PrefixTransform extends stream.Transform {
+    /**
+     * @param {string} prefix - A prefix text to be inserted.
+     * @param {object} state - A state object.
+     * @param {string} state.lastPrefix - The last prefix which is printed.
+     * @param {boolean} state.lastIsLinebreak -The flag to check whether the last output is a line break or not.
+     */
+    constructor(prefix, state) {
+        super()
+
+        this.prefix = prefix
+        this.state = state
+    }
+
+    /**
+     * Transforms the output chunk.
+     *
+     * @param {string|Buffer} chunk - A chunk to be transformed.
+     * @param {string} _encoding - The encoding of the chunk.
+     * @param {function} callback - A callback function that is called when done.
+     * @returns {void}
+     */
+    _transform(chunk, _encoding, callback) {
+        const prefix = this.prefix
+        const nPrefix = `\n${prefix}`
+        const state = this.state
+        const firstPrefix =
+            state.lastIsLinebreak ? prefix :
+            (state.lastPrefix !== prefix) ? "\n" :
+            /* otherwise */ ""
+        const prefixed = `${firstPrefix}${chunk}`.replace(ALL_BR, nPrefix)
+        const index = prefixed.indexOf(prefix, Math.max(0, prefixed.length - prefix.length))
+
+        state.lastPrefix = prefix
+        state.lastIsLinebreak = (index !== -1)
+
+        callback(null, (index !== -1) ? prefixed.slice(0, index) : prefixed)
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public API
+//------------------------------------------------------------------------------
+
+/**
+ * Create a transform stream to insert the specific prefix.
+ *
+ * Several streams can exist for the same output stream.
+ * This stream will insert the prefix if the last output came from other instance.
+ * To do that, this stream is using a shared state object.
+ *
+ * @param {string} prefix - A prefix text to be inserted.
+ * @param {object} state - A state object.
+ * @param {string} state.lastPrefix - The last prefix which is printed.
+ * @param {boolean} state.lastIsLinebreak -The flag to check whether the last output is a line break or not.
+ * @returns {stream.Transform} The created transform stream.
+ */
+module.exports = function createPrefixTransform(prefix, state) {
+    return new PrefixTransform(prefix, state)
+}