fixed extra spacing bug when sorting tags

brain/data/Book.js

@@ -5,8 +5,10 @@ import _ from 'lodash';
 import * as DataEvent from '../../src/com/events/DataEvent';
 import Navigation from './Navigation';
 import Settings from './Settings';
+import StringUtils from '../../src/com/utils/StringUtils';
 const nav = new Navigation();
 const settings = new Settings();
+const utils = new StringUtils();
 const moment = require('moment');
 /**
  *  Class for handling blog content pages
@@ -192,10 +194,15 @@ export default class Pages {
 			let temp = [];
 			temp = page.metadata.tags.split(',');
 			for (let i = 0; i < temp.length; i++) {
-				if (!_.find(tags, { tag_name: temp[i] })) {
-					tags.push({ tag_name: temp[i], count: 1 });
+				let label = temp[i];
+				if (!_.find(tags, { tag_name: label.trim() })) {
+					tags.push({
+						tag_name: label.trim(),
+						slug: utils.cleanString(label.trim()),
+						count: 1
+					});
 				} else {
-					_.find(tags, { tag_name: temp[i] }).count++;
+					_.find(tags, { tag_name: label.trim() }).count++;
 				}
 			}
 		}