Fixed Reply input box freezes entire page when highlighting 3000 lines of text

[⭐ Alex ⭐]

Affected version

2.2

So, why am I highlighting 3000 lines of text? Because I pasted in some source code not knowing it wouldn't send, so I wanted to highlight and remove it.

Reproduction Steps:

Browser: Firefox 79.0

Step 1: Get to a message input box either by trying to respond to a thread or creating a new one.
Step 2: Hit insert code bbcode (under more options) -> paste in some text with 3000 lines or so click continue.
Step 3: Just press control + A (Select All) Painstakingly highlight all the code by starting at the end and drag highlighting until it's all highlighted.
Step 4: The web page will be unresponsive and you may get a message saying the page is slowing down your browser. Let go the mouse button and investigate the status of your mouse cursor, it should be an I all over



I think the editor is doing some processing while it's highlighted. It does not freeze at all while no text is highlighted.

What I expected:

No freeze ups, or perhaps the insert code bb-code not allowing that much code to be inputted in the first place.

 

[Mike]

I've reproduced this and passed it upstream to the Froala devs:

Highlighting a large amount of text is unresponsive (performance regression) · Issue #4023 · froala/wysiwyg-editor

When a large amount of text (potentially over 150KB) is highligted, the editor becomes unresponsive. (This is before any modification happens to that text -- just the act of highlighting it.) The e...

github.com

 

[⭐ Alex ⭐]

I've reproduced this and passed it upstream to the Froala devs:

Highlighting a large amount of text is unresponsive (performance regression) · Issue #4023 · froala/wysiwyg-editor

When a large amount of text (potentially over 150KB) is highligted, the editor becomes unresponsive. (This is before any modification happens to that text -- just the act of highlighting it.) The e...

github.com

Thanks for standing up for my strange case of pasting a large amount of text in. Haha!

 

[Chris D]

I'm not sure when it was fixed but I just tested this and it now seems to be working fine on the version of Froala we're running here.

Feel free to give it a try and let us know if it is still not working for you.