Add linksInNewTab config option

README.md

@@ -40,7 +40,8 @@ marked.setOptions({
   sanitize: false,
   smartLists: true,
   smartypants: false,
-  xhtml: false
+  xhtml: false,
+  linksInNewTab: false
 });
 
 console.log(marked('I am using __markdown__.'));
@@ -282,6 +283,13 @@ Default: `false`
 
 Self-close the tags for void elements (<br/>, <img/>, etc.) with a "/" as required by XHTML.
 
+### linksInNewTab
+
+Type: `boolean`
+Default: `false`
+
+Opens links in new tabs.
+
 ## Access to lexer and parser
 
 You also have direct access to the lexer and parser if you so desire.

lib/marked.js

@@ -899,6 +899,11 @@ Renderer.prototype.link = function(href, title, text) {
   if (title) {
     out += ' title="' + title + '"';
   }
+
+  if (this.options.linksInNewTab) {
+	  out += ' target="_blank"';
+  }
+
   out += '>' + text + '</a>';
   return out;
 };
@@ -1331,6 +1336,7 @@ marked.defaults = {
   headerPrefix: '',
   renderer: new Renderer,
   xhtml: false,
+  linksInNewTab: false,
   baseUrl: null
 };
 

test/new/linksinnewtab.html

@@ -0,0 +1 @@
+<p><a href="https://www.google.com" target="_blank">Google</a></p>

test/new/linksinnewtab.md

@@ -0,0 +1,4 @@
+---
+linksInNewTab: true
+---
+[Google](https://www.google.com)