update

node_modules/traverse-chain/README.md

@@ -0,0 +1,37 @@
+# traverse-chain
+
+A simple asynchronous tool 
+
+## Installation
+
+```bash
+$ npm install traverse-chain
+```
+
+## Example
+
+```javascript
+
+var Chain = require('traverse-chain');
+var chain = new Chain();
+
+chain.add(
+  function() {
+    setTimeout(function() {
+      chain.next();
+    }, 2000);
+  },
+  functin() {
+    setTimeout(function() {
+      chain.next();
+    }, 1000); 
+  }
+)
+
+chain.traverse(function() {
+  // done
+});
+```
+
+## License
+MIT

node_modules/traverse-chain/index.js

@@ -0,0 +1,102 @@
+/**
+ * Simple asynchronous tool for saving my life.
+ */
+
+/**
+ * A wrapper function create a `Chain` instance at the same 
+ * time initializes the `queue` with a serial of arguments. 
+ */
+module.exports = function() {
+  var s = new Chain();
+  return s.__init.apply(s, arguments);
+}
+
+
+/** 
+ * Chain constructor.
+ * @api pivate
+ */
+function Chain() {
+  this.queue = [];
+  this.onend = function(err) {};
+  this.pass = true;
+} 
+
+
+/**
+ * Trying to Initialize the `queue` with a serial of arguments. 
+ *
+ * @api private
+ */
+Chain.prototype.__init = function() {
+  this.queue = [].slice.call(arguments);
+  return this;
+}
+
+
+/**
+ * Add a `job` or an array of `jobs` into the Chain.
+ * A `job` is defined by a function. 
+ *
+ * @param {Function|Array} a function or an array of functions 
+ * @return {Chain}
+ * @api public
+ */
+Chain.prototype.add = function() {
+  var jobs = [].slice.call(arguments);
+  jobs.forEach(
+    (function(job) {
+      this.queue.push.apply(
+        this.queue, Array.isArray(job) ? job : [job]
+      );
+    }).bind(this)
+  );
+  return this;
+}
+
+
+/**
+ * The iterator of the Chain. When it reaches end then call 
+ * call the callback function.
+ * 
+ * @return {Chain}
+ * @api public
+ */
+Chain.prototype.next = function() {
+  if (!this.pass) return this;
+  if (this.queue.length) {
+    this.queue.shift().call();    
+  } else {
+    this.onend();
+  }
+  return this;
+}  
+
+
+/**
+ * Terminate the chain.
+ * 
+ * @return {Chain}
+ * @api public
+ */
+Chain.prototype.stop = function() {
+  this.pass = false;
+  this.onend.apply(this, arguments);
+  return this;
+}  
+ 
+
+/**
+ * Start iterating through the Chain and ends with the  
+ * given callback.
+ * 
+ * @param {Function} end callback
+ * @return {Chain} 
+ * @api public
+ */
+Chain.prototype.traverse = function(fn) {
+  fn && fn.call && fn.apply && (this.onend = fn);
+  this.next();
+  return this;
+}
+

node_modules/traverse-chain/package.json

@@ -0,0 +1,54 @@
+{
+  "_args": [
+    [
+      "traverse-chain@0.1.0",
+      "/Users/tatiana/selfdefined"
+    ]
+  ],
+  "_from": "traverse-chain@0.1.0",
+  "_id": "traverse-chain@0.1.0",
+  "_inBundle": false,
+  "_integrity": "sha1-YdvC1Ttp/2CRoSoWj9fUMxB+QPE=",
+  "_location": "/traverse-chain",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "traverse-chain@0.1.0",
+    "name": "traverse-chain",
+    "escapedName": "traverse-chain",
+    "rawSpec": "0.1.0",
+    "saveSpec": null,
+    "fetchSpec": "0.1.0"
+  },
+  "_requiredBy": [
+    "/find"
+  ],
+  "_resolved": "https://registry.npmjs.org/traverse-chain/-/traverse-chain-0.1.0.tgz",
+  "_spec": "0.1.0",
+  "_where": "/Users/tatiana/selfdefined",
+  "author": {
+    "name": "yuanchuan"
+  },
+  "bugs": {
+    "url": "https://github.com/yuanchuan/traverse-chain/issues"
+  },
+  "description": "A simple asynchronous tool",
+  "homepage": "https://github.com/yuanchuan/traverse-chain#readme",
+  "keywords": [
+    "async",
+    "chain",
+    "queue"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "traverse-chain",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/yuanchuan/traverse-chain.git"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "version": "0.1.0"
+}