From 84bd16d4a2faa78623737b3bb2a44efcd29c21fa Mon Sep 17 00:00:00 2001
From: Austen Collins <austencollins@gmail.com>
Date: Tue, 13 Oct 2015 02:31:57 -0700
Subject: [PATCH] compose function

---
 lib/index2.js | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/lib/index2.js b/lib/index2.js
index 6c5a250bc..cd310bdef 100644
--- a/lib/index2.js
+++ b/lib/index2.js
@@ -10,6 +10,7 @@ const path = require('path'),
 /**
  * JAWS Class
  */
+
 let JAWS = class JAWS {
 
   constructor() {
@@ -107,6 +108,7 @@ let JAWS = class JAWS {
    * Update Config
    * @param config
    */
+
   config(config) {
 
     // Extend JAWS with config properties
@@ -116,6 +118,7 @@ let JAWS = class JAWS {
   /**
    * Set Action
    */
+
   action(action, actionGenerator) {
 
     // Check action is valid
@@ -129,6 +132,7 @@ let JAWS = class JAWS {
   /**
    * Set Hook
    */
+
   hook(hook, hookGenerator, index) {
 
     // Check hook is valid
@@ -141,13 +145,26 @@ let JAWS = class JAWS {
   }
 
   /**
-   * Orchestrator
+   * Compose
    */
-  orchestrate() {
 
+  compose(genArray) {
+    return function *(next){
+      if (!next) next = noop();
+
+      var i = genArray.length;
+
+      while (i--) {
+        next = genArray[i].call(this, next);
+      }
+
+      yield *next;
+    }
   }
 }
 
 module.exports = new JAWS();
 
+function *noop(){}
+