Called immediately after updating occurs. Not called for the initial render.
The snapshot is only present if getSnapshotBeforeUpdate is present and returns non-null.
Called immediately before a component is destroyed. Perform any necessary cleanup in this method, such as
cancelled network requests, or cleaning up any DOM elements created in componentDidMount.
Runs before React applies the result of Component.render render to the document, and returns an object to be given to componentDidUpdate. Useful for saving things such as scroll position before Component.render render causes changes to it.
Note: the presence of this method prevents any of the deprecated lifecycle events from running.
Call this method to save the current state of the h5p editor. This will
result in a call to the saveContentCallback that was passed in the
through the props.
Called immediately after a component is mounted. Setting state here will trigger re-rendering.