InputMethod#winsize fallback to [24, 80] if width or height is zero

tompng · Jan 23, 2025 · d436dcb · d436dcb
1 parent 4d77944
commit d436dcb
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb
@@ -26,10 +26,11 @@ def gets
 
     def winsize
       if instance_variable_defined?(:@stdout) && @stdout.tty?
-        @stdout.winsize
-      else
-        [24, 80]
+        winsize = @stdout.winsize
+        # If width or height is 0, something is wrong.
+        return winsize unless winsize.include? 0
       end
+      [24, 80]
     end
 
     # Whether this input method is still readable when there is no more data to