refactor - move validation into new module

src/index.js

@@ -1,31 +1,17 @@
 import events from 'events';
-import Joi from 'joi';
+import validateSchema from './lib/validate_schema';
 
 export default class Elastique extends events.EventEmitter {
   constructor(options = {}) {
     super();
 
-    var schema = Joi.object({
-      url: Joi.string().uri({ scheme: ['http', 'https'] }).default('http://localhost:9200'),
-      index: Joi.string().required(),
-      interval: Joi.string().default('1w'),
-      timeout: Joi.number().min(10000).default(10000),
-    }).default();
-
-    const validateSchema = () => new Promise(function (resolve, reject) {
-      schema.validate(options, (err, settings) => {
-        if (err) return reject(err);
-        resolve(settings);
-      })
-    })
-
     this.ready = true;
 
+    // initalize the module
     Promise.all([
-      validateSchema()
+      validateSchema(options)
     ])
     .then(([ settings ]) => {
-      console.log('settings', settings);
       this.settings = settings;
     })
     .catch((err) => {

src/lib/validate_schema.js

@@ -0,0 +1,17 @@
+import Joi from 'joi';
+
+var schema = Joi.object({
+  url: Joi.string().uri({ scheme: ['http', 'https'] }).default('http://localhost:9200'),
+  index: Joi.string().required(),
+  interval: Joi.string().default('1w'),
+  timeout: Joi.number().min(10000).default(10000),
+}).default();
+
+const validateSchema = (options) => new Promise(function (resolve, reject) {
+  schema.validate(options, (err, settings) => {
+    if (err) return reject(err);
+    resolve(settings);
+  })
+})
+
+export default validateSchema;