Rewrite of Select query

src/bfsTraverse.coffee

@@ -0,0 +1,46 @@
+
+
+	# bfsTraverse
+	#
+	# It will traverse all nodes of object
+	#
+	# Arguments of functionToCall like that
+	#
+	# i.e...      objectToTraverse = [{a:[{b:1}]}]
+	#   first time
+	#    { value:[{a:[{b:1}]}]
+	#       path:""
+	#     }
+	#
+	#   second time
+	#   {value:{a:[{b:1}]}
+	#    path:0
+	#     }
+	#
+	#    third time
+	#    {value:[{b:1}]
+	#      path:0/a
+	#     }
+
+
+
+
+
+
+	bfsTraverse = (objectToTraverse, functionToCall) ->
+		q = [objectToTraverse]
+		while q.length isnt 0
+
+			# This is the parent node being popped out of the Queue.
+			parentNode = {value: q.shift(), path:''}
+
+
+			if typeof parentNode.value is 'object'
+				for key,nodeValue of parentNode.value
+					parentNode.path = if parentNode.path then parentNode.path + '/' + key else key
+					parentNode.value = nodeValue
+					functionToCall nodeValue, parentNode
+					q.push nodeValue
+
+
+	module.exports = bfsTraverse

src/select.coffee

@@ -0,0 +1,15 @@
+
+
+	_ = require 'underscore'
+	jequel={}
+
+	jequel.query = (obj,path) ->
+
+		destPath = 'obj'
+		path = _.values(path)
+		for i in path[0].split '/'
+			destPath += "['#{i}']" if i isnt " "
+
+		return eval destPath
+
+	module.exports = jequel

test/bfsTraverse.js

@@ -0,0 +1,16 @@
+var chai = require('chai');
+var expect = require('chai').expect;
+var should = require('chai').should;
+var bfsTraverse = require("../src/bfsTraverse");
+
+
+
+describe("bfsTraverse()", function() {
+	bfsTraverse([{
+		a: [{
+			b: 'c'
+		}]
+	}],function(node, parent){
+		console.log('node', node, 'parent', parent)
+	})
+})

test/selectquery.js

@@ -0,0 +1,21 @@
+	var chai = require('chai');
+	var expect = require('chai').expect;
+	var should = require('chai').should;
+	var jequel = require("../src/select");
+
+
+
+	describe("select", function() {
+		var obj = [{
+			a: [{
+				b: 'c'
+			}]
+		}];
+	it("Should return a value", function() {
+
+	expect(jequel.query(obj,{select:"0/a/0"})).to.deep.equal(
+			 {b:'c'}
+		)
+	  });
+
+	})