more refactoring

Author: mrodrig

lib/csv-2-json.js

@@ -38,7 +38,7 @@ var addNestedKey = function (key, value, doc) {
         nestedKeys = key.split('.'), // Array of all keys and sub keys for the document
         finalKey = nestedKeys.pop(); // Retrieve the last sub key.
     _.each(nestedKeys, function (nestedKey) {
-        if (keyExists(nestedKey, trackerDocument)) { // This nestedKey already exists, use an existing doc
+        if (trackerDocument[nestedKey]) { // This nestedKey already exists, use an existing doc
             trackerDocument = trackerDocument[nestedKey]; // Update the trackerDocument to use the existing document
         } else {
             trackerDocument[nestedKey] = {}; // Add document at the current subKey
@@ -49,11 +49,6 @@ var addNestedKey = function (key, value, doc) {
     return subDocumentRoot; // Return the document with the nested document structure setup
 };
 
-// Helper function to check if the given key already exists in the given document
-var keyExists = function (key, doc) {
-    return (!_.isUndefined(doc[key])); // If the key doesn't exist, then the type is 'undefined'
-};
-
 /**
  * Does the given value represent an array?
  * @param value
@@ -125,18 +120,6 @@ var convertCSV = function (lines, callback) {
     return _.filter(jsonDocs, function (doc) { return doc !== false; }); // Return all non 'falsey' values to filter blank lines
 };
 
-/**
- * Validates the input provided to csv2json.
- * Only returns (undefined) if no errors are found
- * @param opts Object options object
- * @param data String csv string
- * @param callback Function callback function
- * @returns {*}
- */
-var checkErrors = function (opts, data, callback){
-
-};
-
 module.exports = {
 
     /**