The standard approach is to store the minimal amount of data directly in the state, and derive data as needed externally to the store. This is usually done wit

The standard approach is to store the minimal amount of data directly in the state, and derive data as needed externally to the store. This is usually done with "selector functions". See http://redux.js.org/docs/recipes/ComputingDerivedData.html http://redux.js.org/docs/recipes/ComputingDerivedData.html , https://medium.com/@adamrackis/querying-a-redux-store-37db8c7f3b0f https://medium.com/@adamrackis/querying-a-redux-store-37db8c... , and http://redux.js.org/docs/faq/CodeStructure.html#structure-file-structure http://redux.js.org/docs/faq/CodeStructure.html#structure-fi... for more information.