Merge pull request #8 from auroral-ui/beta

feat: changed default post abstract length to 80

lib/helpers/mapper.js

@@ -14,7 +14,7 @@ const {
  */
 function postMapper(post, configs) {
   const abstract = post.abstracts || post.content;
-  const abstractLength = post.abstracts ? post.abstracts.length : post.preview || 140;
+  const abstractLength = post.abstracts ? post.abstracts.length : post.preview || 80;
   return {
     title: post.title,
     uid: generateUid('post_uid___' + post.title),