[comment-fold addon] Fix bug that broke folding of comments at start …

…of line Closes codemirror#4056
eponymous-labs · Jun 7, 2016 · 8eb1588 · 8eb1588
1 parent eabf5b5
commit 8eb1588
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/addon/fold/comment-fold.js b/addon/fold/comment-fold.js
@@ -29,7 +29,7 @@ CodeMirror.registerGlobalHelper("fold", "comment", function(mode) {
     }
     if (pass == 1 && found < start.ch) return;
     if (/comment/.test(cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1))) &&
-        (lineText.slice(found - endToken.length, found) == endToken ||
+        (found == 0 || lineText.slice(found - endToken.length, found) == endToken ||
          !/comment/.test(cm.getTokenTypeAt(CodeMirror.Pos(line, found))))) {
       startCh = found + startToken.length;
       break;