Don't try to parse link title if link wasn't found

CHANGELOG.md

@@ -10,7 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - `[](<foo<bar>)` is no longer a valid link.
 - `[](url (xxx())` is no longer a valid link.
-- Fix performance issues when parsing links, #732.
+- Fix performance issues when parsing links, #732, #734.
 - Fix performance issues when parsing backticks, #733.
 
 

lib/rules_inline/link.js

@@ -15,9 +15,9 @@ module.exports = function link(state, silent) {
       pos,
       res,
       ref,
-      title,
       token,
       href = '',
+      title = '',
       oldPos = state.pos,
       max = state.posMax,
       start = state.pos,
@@ -60,7 +60,6 @@ module.exports = function link(state, silent) {
       } else {
         href = '';
       }
-    }
 
       // [link](  <href>  "title"  )
       //                ^^ skipping these spaces
@@ -83,8 +82,7 @@ module.exports = function link(state, silent) {
           code = state.src.charCodeAt(pos);
           if (!isSpace(code) && code !== 0x0A) { break; }
         }
-    } else {
-      title = '';
+      }
     }
 
     if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {