Added node modules

node_modules/mocha/lib/hook.js

@@ -0,0 +1,30 @@
+
+/**
+ * Module dependencies.
+ */
+
+var Runnable = require('./runnable');
+
+/**
+ * Expose `Hook`.
+ */
+
+module.exports = Hook;
+
+/**
+ * Initialize a new `Hook` with the given `title` and callback `fn`.
+ *
+ * @param {String} title
+ * @param {Function} fn
+ * @api private
+ */
+
+function Hook(title, fn) {
+  Runnable.call(this, title, fn);
+}
+
+/**
+ * Inherit from `Runnable.prototype`.
+ */
+
+Hook.prototype.__proto__ = Runnable.prototype;