Issue #821 - Prevent TypeError in resize()

[mirror_xterm.js.git] / src / xterm.js

diff --git a/src/xterm.js b/src/xterm.js
index b1f20694e1ec37a89422403f799906815fed1e12..f26e4e157b94e0ce0ab0b95e27348d778b0d0387 100644 (file)
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -1941,6 +1941,9 @@ Terminal.prototype.resize = function(x, y) {
     ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?
     i = this.buffer.lines.length;
     while (i--) {
+      if (this.buffer.lines.get(i) === undefined) {
+        this.buffer.lines.set(i, this.blankLine());
+      }
       while (this.buffer.lines.get(i).length < x) {
         this.buffer.lines.get(i).push(ch);
       }