fix surrogate crash.

2015-04-15 10:38:26 -07:00 · 2015-04-15 10:38:26 -07:00 · c5e5ed86f6
parent 29ca94e719
commit c5e5ed86f6
1 changed files with 1 additions and 1 deletions
--- a/lib/widget.js
+++ b/lib/widget.js
@ -3997,7 +3997,7 @@ Element.prototype.render = function() {

      // Handle surrogate pairs:
      // Make sure we put surrogate pair chars in one cell.
-      if (this.screen.fullUnicode) {
+      if (this.screen.fullUnicode && content[ci - 1]) {
        var code = content[ci - 1].charCodeAt(0);
        // if (content.codePointAt(ci - 1) > 0xffff) {
        if (code >= 0xd800 && code <= 0xdbff) {