Algolia Instant search V4.5.0 - Not working in Firefox

Hello Team,
We are using the Instant search v4.5.0 in our application and it works perfectly in Chrome where as the same breaks in Firefox v78.0.2 with the below error.
image

Any assistance here would be really helpful.

This error does not seem like a browser-specific one, do you have a reproduction URL of this somewhere so we can investigate?