Resize stopped working

[jcubic]

Issue summary

If you close the browser and you have opened jQuery Terminal app. and you open the browser again and Terminal app is restored in background, then the width of the single char is probably 0 and everything is on one column.

Expected behavior

Terminal looks normalny

Actual behavior

All text is single column (each line have single character)

Steps to reproduce

1. Open terminal demo
2. Select different tab
3. Close the browser
4. Open browser again
5. Switch to terminal demo

Browser and OS

Ubuntu GNU/Linux

Additional info

the fix may use: Page Visibility API.

[jcubic]

This is critical, the resize is not working anymore. This can be observed at https://codepen.io/jcubic/pen/WZvYGj the greetings is resizing but the text that got echoed is not wrapping when resized.

[jcubic]

The problem was a cache that contained wrapped ouput.