From f29086d1b2954c121e5a0abfb6673e32150c1139 Mon Sep 17 00:00:00 2001
From: 18292821405 <760218327@qq.com>
Date: Sat, 27 Apr 2019 20:00:16 +0800
Subject: [PATCH] fix mermaid class problem

---
 packages/nodeppt-parser/lib/markdown/mermaid.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/nodeppt-parser/lib/markdown/mermaid.js b/packages/nodeppt-parser/lib/markdown/mermaid.js
index 6080ec7db..bf1ed9db2 100644
--- a/packages/nodeppt-parser/lib/markdown/mermaid.js
+++ b/packages/nodeppt-parser/lib/markdown/mermaid.js
@@ -4,6 +4,7 @@ module.exports = md => {
         const token = tokens[idx];
         const code = token.content;
         if (token.info === 'mermaid') {
+            token.attrJoin('class', 'lang-mermaid no-style');
             let attrs = token.attrs || [];
             attrs = attrs
                 .map(([key, value]) => {
@@ -13,7 +14,7 @@ module.exports = md => {
             // 增加对 mermaidjs 支持，这样就可以画流程图了哦~
             return `
 <div class="embed">
-    <pre class="lang-mermaid no-style" ${attrs}>${code}</pre>
+    <pre ${attrs}>${code}</pre>
 </div>
 `;
         }