fix: prism not working when not specified language or language's name…

… error

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "magicbook",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "description": "An lightweight and scalable docs system for markdown, text or other.",
   "homepage": "http://ipluser.github.io/magicbook/",
   "keywords": [

index.html

@@ -24,7 +24,7 @@
   <script>
     var book = Magicbook.markdown('awesome', {
       homeUrl: 'public/doc/quick-start.md',
-      urlArgs: 'ver=0.7.0'
+      urlArgs: 'ver=0.7.1'
     });
 
     book.agilities();

package.json

@@ -1,6 +1,6 @@
 {
   "name": "magicbookjs",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "description": "An lightweight and scalable docs system for markdown, text or other.",
   "author": "ipluser",
   "main": "dist/magicbook.js",

plugins/markdown/js/awesome.js

@@ -3,7 +3,7 @@
   marked.setOptions({
     langPrefix: 'language-',
     highlight: function highlight(code, lang) {
-      return Prism.highlight(code, Prism.languages[lang]);
+      return Prism.highlight(code, Prism.languages[normalizeLang(lang)]);
     }
   });
 
@@ -18,20 +18,25 @@
     return new Magicbook(cfg);
   });
 
+  function normalizeLang(lang) {
+    if (!lang || !Prism.languages[lang]) {
+      return 'bash';
+    }
+
+    return lang;
+  }
+
   function routeCallbackSuccessForPrismStyle() {
     var $codes = $('pre > code');
     var index;
     var len;
 
     for (index = 0, len = $codes.length; index < len; index++) {
       var $code = $($codes[index]);
-      var codeClass = $code.attr('class');
-
-      if (!codeClass) {
-        return;
-      }
+      var codeClass = $code.attr('class') || 'language-bash';
 
-      $code.parent().addClass(codeClass);
+      Magicbook.addClassName($code, codeClass);
+      Magicbook.addClassName($code.parent(), codeClass);
     }
   }
 })(window, jQuery, marked, Prism, Magicbook);  // eslint-disable-line