[Bug]:

[Gn0ume]

Component

Carousel

Package version

9.54.13

React version

18.3.1

Environment

any

Current Behavior

component throws exception when resizing the page:

@fluentui_react-comp…js?v=2d5cf0e3:53320 Uncaught TypeError: Cannot read properties of undefined (reading 'map')
    at @fluentui_react-comp…v=2d5cf0e3:53320:47
    at @fluentui_react-comp…?v=2d5cf0e3:55846:7
    at @fluentui_react-comp…?v=2d5cf0e3:1658:12
    at @fluentui_react-comp…v=2d5cf0e3:54927:38
    at Array.forEach (<anonymous>)
    at Object.emit (@fluentui_react-comp…v=2d5cf0e3:54927:23)
    at Object.reActivate [as reInit] (@fluentui_react-comp…v=2d5cf0e3:55085:18)
    at defaultCallback (@fluentui_react-comp…v=2d5cf0e3:54053:20)
    at ResizeObserver.<anonymous> (@fluentui_react-comp…?v=2d5cf0e3:54061:9)

Expected Behavior

compomnent should now throw exceptions on page (container) resize.

Reproduction

https://stackblitz.com/edit/qpdudpny

Steps to reproduce

1. Open web-tools console
2. Start resizing the window on X-axis
3. when dots in carousel disapear (due to wider container) library throws exeption to the console.

Are you reporting an Accessibility issue?

None

Suggested severity

Urgent - No workaround and Products/sites are affected

Products/sites affected

No response

Are you willing to submit a PR to fix?

yes

Validations

• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• The provided reproduction is a minimal reproducible example of the bug.