useMutationObserver

Creates a MutationObserver that calls a callback when the DOM of the observed element changes.

Arguments

targetRef: A React ref to the element to observe.
callback: A function to be called on mutation. Additionally, it will be called immediately with the init argument whenever a new MutationObserver is created.
options: A MutationObserverInit object, as defined by the MutationObserver.observe function.

No return value.