Fix bug in code handling where content wasn’t trimmed

Author: wooorm

lib/handlers/code.js

@@ -5,6 +5,7 @@ module.exports = code;
 var is = require('hast-util-is-element');
 var has = require('hast-util-has-property');
 var toString = require('hast-util-to-string');
+var trim = require('trim-trailing-lines');
 
 var prefix = 'language-';
 
@@ -40,5 +41,5 @@ function code(h, node) {
     }
   }
 
-  return h(node, 'code', {lang: lang || null}, toString(node));
+  return h(node, 'code', {lang: lang || null}, trim(toString(node)));
 }

package.json

@@ -27,6 +27,7 @@
     "hast-util-is-element": "^1.0.0",
     "hast-util-to-string": "^1.0.0",
     "rehype-minify-whitespace": "^2.0.0",
+    "trim-trailing-lines": "^1.1.0",
     "unist-util-is": "^2.1.0",
     "unist-util-visit": "^1.1.1",
     "xtend": "^4.0.1"