Manage more packages with npm and webpack

public/js/cover.js

@@ -12,6 +12,9 @@ var getHistory = historyModule.getHistory;
 var saveHistory = historyModule.saveHistory;
 var removeHistory = historyModule.removeHistory;
 
+var saveAs = require('file-saver').saveAs;
+var List = require('list.js');
+
 var options = {
     valueNames: ['id', 'text', 'timestamp', 'fromNow', 'time', 'tags', 'pinned'],
     item: '<li class="col-xs-12 col-sm-6 col-md-6 col-lg-4">\

public/js/extra.js

@@ -1,6 +1,7 @@
 var hljs = require('highlight.js');
 var PDFObject = require('pdfobject');
 var S = require('string');
+var saveAs = require('file-saver').saveAs;
 
 //auto update last change
 var createtime = null;

public/js/index.js

@@ -29,22 +29,19 @@ require('markdown-it-imsize');
 /* other vendors plugin */
 require('gist-embed');
 require('string');
-require('highlight.js');
 require('prismjs');
 require('prismjs/components/prism-wiki');
-require('js-cookie');
 require('to-markdown');
 
 require('raphael');
 require('js-sequence-diagrams');
 
 require('flowchart.js');
-require('viz.js');
-require('file-saver');
+var saveAs = require('file-saver').saveAs;
 require('store');
 require('js-url');
 require('visibilityjs');
-require('list.js');
+var List = require('list.js');
 require('../vendor/md-toc');
 require('randomcolor');
 

public/js/public.js

@@ -33,14 +33,12 @@ require('string');
 require('highlight.js');
 require('prismjs');
 require('prismjs/components/prism-wiki');
-require('js-cookie');
 require('to-markdown');
 
 require('raphael');
 require('js-sequence-diagrams');
 
 require('flowchart.js');
-require('viz.js');
 require('file-saver');
 require('store');
 require('js-url');