An abstract manager which can be useful for broadcasting lazily-loaded data.
Extend the AbstractDataManager class and override async getData() to customize where data is fetched from.
Consumers call addListener to receive updates on the underlying data.
Allows multiple consumers to get data updates over time.
The manager handles simultaneous requests by locking and preventing multiple calls.
The first listener will trigger an update which makes this a lazily-loaded approach.
Consumers should call removeListener when they no longer need updates.
May optionally override destruct() to handle destruction.
May optionally override clear() to handle fetch cancelling. (Recommended)
Remember to npm run build before deploying.