Add class to code blocks that have highlighted lines

Author: garrettreed

highlight-line.js

@@ -34,6 +34,7 @@ function addHighlights() {
 		var $el = $(el);
 		var lines = getLines($el.attr('line-highlight'));
 		var codeBlock = $el.parent().prev('pre').children('code');
+		codeBlock.addClass("line-highlight");
 
 		var lineMap = [[]];
 		var k = 0;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bit-docs-html-highlight-line",
-  "version": "0.2.0",
+  "version": "0.2.2",
   "description": "Highlight a line in source code",
   "main": "highlight-line.js",
   "scripts": {

test.js

@@ -84,7 +84,8 @@ describe("bit-docs-tag-demo", function(){
 					// NOTE: there should be 2 lines.  But it seems
 					// like prettify doesn't work in zombie right.
 					assert.ok(highlights.length,  "there are 2 tabs");
-
+					var codeBlocks = doc.getElementsByClassName("line-highlight");
+					assert.ok(codeBlocks.length, "there are code blocks with highlight class");
 					close();
 					done();
 				}, done);