RoyalSloth reviews the three most common patterns to model interconnected state in a user interface.

Connect the boxes: create the user avatar component and pass its instance to the inventory table component

Lift the state up: move the internal state of the user avatar component and the state of the inventory table into a separate box/class

Introduce a message bus: connect the inventory table and the user avatar component to the shared pipe that is used for distributing events in the application

Connect the boxes and lift the state up seem to be the most common choices for React apps; respectively prop drilling and context or single state trees (like Redux).

There's no silver bullet to UI complexity, all methods have their caveats.

Read the full article on blog.royalsloth.eu.