added API version config

Author: kelp404

README.md

@@ -19,8 +19,10 @@ $ npm install enju --save
 enju use [node-config](https://github.com/lorenwest/node-config).  
 `/your_project/config/default.cson`
 ```cson
-enjuElasticsearchHost: 'http://localhost:9200'
-enjuIndexPrefix: ''
+enju:
+    apiVersion: '2.4'
+    elasticsearchHost: 'http://localhost:9200'
+    indexPrefix: ''
 ```
 
 

config/default.coffee

@@ -1,3 +1,5 @@
 module.exports =
-    enjuElasticsearchHost: 'http://localhost:9200'
-    enjuIndexPrefix: ''
+    enju:
+        apiVersion: '2.4'
+        elasticsearchHost: 'http://localhost:9200'
+        indexPrefix: ''

lib/utils.js

@@ -13,7 +13,8 @@
       @returns {Elasticsearch.Client}
        */
       return new elasticsearch.Client({
-        host: config.enjuElasticsearchHost
+        host: config.enju.elasticsearchHost,
+        apiVersion: config.enju.apiVersion
       });
     },
     getIndexPrefix: function() {
@@ -23,7 +24,7 @@
       @returns {string}
        */
       var ref;
-      return (ref = config.enjuIndexPrefix) != null ? ref : '';
+      return (ref = config.enju.indexPrefix) != null ? ref : '';
     }
   };
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "enju",
-  "version": "0.2.8",
+  "version": "0.3.0",
   "description": "An elasticsearch on node.js written in CoffeeScript.",
   "main": "index.js",
   "scripts": {

src/lib/utils.coffee

@@ -9,11 +9,12 @@ module.exports =
         @returns {Elasticsearch.Client}
         ###
         new elasticsearch.Client
-            host: config.enjuElasticsearchHost
+            host: config.enju.elasticsearchHost
+            apiVersion: config.enju.apiVersion
 
     getIndexPrefix: ->
         ###
         Get index prefix.
         @returns {string}
         ###
-        config.enjuIndexPrefix ? ''
+        config.enju.indexPrefix ? ''

tests/test-utils.coffee

@@ -3,11 +3,11 @@ utils = require '../lib/utils'
 
 
 exports.testGetIndexPrefix = (test) ->
-    _enjuIndexPrefix = config.enjuIndexPrefix
-    config.enjuIndexPrefix = 'index_'
+    _enjuIndexPrefix = config.enju.indexPrefix
+    config.enju.indexPrefix = 'index_'
 
     test.expect 1
     test.equals utils.getIndexPrefix(), 'index_'
     test.done()
 
-    config.enjuIndexPrefix = _enjuIndexPrefix
+    config.enju.indexPrefix = _enjuIndexPrefix