Add final eol when needed

Author: wooorm

lib/index.js

@@ -23,8 +23,17 @@ function toMarkdown(tree, options) {
     options: settings,
     unsafePatterns: extensions.unsafe
   }
+  var result = handle(tree, null, context, {before: '\n', after: '\n'})
 
-  return handle(tree, null, context, {before: '\n', after: '\n'})
+  if (
+    result &&
+    result.charCodeAt(result.length - 1) !== 10 &&
+    result.charCodeAt(result.length - 1) !== 13
+  ) {
+    result += '\n'
+  }
+
+  return result
 
   function enter(name) {
     stack.push(name)