I copied this function from another stackoverflow subject (to call child methods outside render) and it worked in a small test project
window.FindReact = function(dom) {
for (var key in dom) {
if (key.startsWith("__reactInternalInstance$")) {
var compInternals = dom[key]._currentElement;
var compWrapper = compInternals._owner;
var comp = compWrapper._instance;
return comp;
}
}
return null;
};
I made a class that shows a messagebox in mid of screen (Fade-in; show msg few seconds; then fade out)
and I could call the method to show the message of the child component directly thanks to above function. So all good.
Then I copied that object (messagebox) to my main project and copied above function to the parent object. And when I call it, no key ... well not the key I'm looking for
i listed the keys both of the working and failing project. all keys are the same except the first one (which is missing in the fail project)
key=__reactInternalInstance$bv23g7yipka
The fail project works, no errors, also the message component works (can call from inside to show message)
I really have no idea why this fails (key is missing), hope some of you do.