Merge pull request #1046 from SISheogorath/feature/optimizeXSS

Remove the xss library from webpack

public/js/render.js

@@ -1,6 +1,8 @@
 /* eslint-env browser, jquery */
-/* global filterXSS */
 // allow some attributes
+
+var filterXSS = require('xss')
+
 var whiteListAttr = ['id', 'class', 'style']
 window.whiteListAttr = whiteListAttr
 // allow link starts with '.', '/' and custom protocol with '://', exclude link starts with javascript://
@@ -71,5 +73,6 @@ function preventXSS (html) {
 window.preventXSS = preventXSS
 
 module.exports = {
-  preventXSS: preventXSS
+  preventXSS: preventXSS,
+  escapeAttrValue: filterXSS.escapeAttrValue
 }

public/js/reveal-markdown.js

@@ -1,6 +1,6 @@
 /* eslint-env browser, jquery */
 
-import { preventXSS } from './render'
+import { preventXSS, escapeAttrValue } from './render'
 import { md } from './extra'
 
 /**
@@ -259,7 +259,7 @@ import { md } from './extra'
       while ((matchesClass = mardownClassRegex.exec(classes))) {
         var name = matchesClass[1]
         var value = matchesClass[2]
-        if (name.substr(0, 5) === 'data-' || window.whiteListAttr.indexOf(name) !== -1) { elementTarget.setAttribute(name, window.filterXSS.escapeAttrValue(value)) }
+        if (name.substr(0, 5) === 'data-' || window.whiteListAttr.indexOf(name) !== -1) { elementTarget.setAttribute(name, escapeAttrValue(value)) }
       }
       return true
     }