get react object from the DOM

getReactComponentInstance.js

getReactElement = (dom) => {
    for (var key in dom) {
        if (!key.startsWith("__reactInternalInstance$")) continue;
        
         var compInternals = dom[key]._currentElement;
         var compWrapper = compInternals._owner;
         var comp = compWrapper._instance;
         return comp;
    }
    
    return null;
}