From 2f588b24aa37643df6e31d1dc2a072a2aed39495 Mon Sep 17 00:00:00 2001
From: ache <ache@ache.one>
Date: Wed, 6 May 2020 04:50:54 +0200
Subject: Forbid empty atx header

---
 src/index.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/index.js b/src/index.js
index 30d216d..e89c3b5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -116,6 +116,10 @@ function tokenizeModifierGenerator(oldParser, config) {
 
     index = lastChild.value.lastIndexOf('{');
 
+    if (index <= 0) {
+      return eaten;
+    }
+
     const parsedAttr = parseAttr(lastChild.value, index, config.mdAttrConfig);
 
     if (parsedAttr.eaten.length !== lastChild.value.length - index) {
@@ -127,6 +131,10 @@ function tokenizeModifierGenerator(oldParser, config) {
       index -= 1;
     }
 
+    if (index < 0) {
+      return eaten;
+    }
+
     // If parsed configure the node
     if (parsedAttr) {
       if (config.scope && config.scope !== 'none') {
-- 
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