You ruled out passing an updateData function down, but that is the "plain React way" to do this: pass a callback down, and children can call it when there's new data. Hooks don't change that model.
There are libraries that implement the observer pattern, like MobX, that can detect changes and re-render components that use the changed data.
There's also react-query, which is pretty much built to solve your fetching/updating/reloading data use case. It maintains a global cache of responses, and every query & mutation feeds into that same cache, so changes will cause the components using the data to re-render.
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You ruled out passing an
updateDatafunction down, but that is the "plain React way" to do this: pass a callback down, and children can call it when there's new data. Hooks don't change that model.There are libraries that implement the observer pattern, like MobX, that can detect changes and re-render components that use the changed data.
There's also react-query, which is pretty much built to solve your fetching/updating/reloading data use case. It maintains a global cache of responses, and every query & mutation feeds into that same cache, so changes will cause the components using the data to re-render.