Started on node.js+socket.io+mongoDB on the backend for more responsivnes

server/node_modules/monk/lib/promise.js

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+
+/**
+ * Module dependencies.
+ */
+
+var MPromise = require('mpromise');
+var immediately = global.setImmediate || process.nextTick;
+
+/**
+ * Module exports.
+ */
+
+module.exports = Promise;
+
+/**
+ * Promise constructor.
+ *
+ * @param {Collection} collection
+ * @param {String} type
+ * @param {Object} query options
+ * @api public
+ */
+
+function Promise (col, type, opts) {
+  this.col = col;
+  this.type = type;
+  this.opts = opts || {};
+
+  // MPromise constructor
+  MPromise.call(this);
+
+  // Compability methods
+  this.success = this.onFulfill;
+  this.error = this.onReject;
+  this.complete = this.onResolve;
+  this.onResolve(this.emit.bind(this,'complete'));
+
+  // for practical purposes
+  this.resolve = MPromise.prototype.resolve.bind(this);
+  this.fulfill = MPromise.prototype.fulfill.bind(this);
+  this.reject = MPromise.prototype.reject.bind(this);
+}
+
+/*!
+ * event names
+ */
+
+Promise.SUCCESS = 'success';
+Promise.FAILURE = 'error';
+
+/**
+ * Inherits from MPromise.
+ */
+
+Promise.prototype.__proto__ = MPromise.prototype;
+
+/**
+ * Each method
+ *
+ * @api public
+ */
+
+Promise.prototype.each = function (fn) {
+  if (fn) {
+    this.on('each', fn);
+  }
+  return this;
+};
+
+/**
+ * Destroys the promise.
+ *
+ * @api public
+ */
+
+Promise.prototype.destroy = function(){
+  this.emit('destroy');
+  var self = this;
+  immediately(function(){
+    // null the query ref
+    delete self.query;
+  });
+};