app/javascript/selectors/table.js
import { createSelector } from 'reselect'
import players from './players'
export const table = (state) => state.table
export const isMatchmaking = createSelector(table, (table) => table.isMatchmaking)
export const tableId = createSelector(table, (table) => table.id)
export const trackingInterval = createSelector(table, (table) => table.trackingInterval)
export const activePlayers = createSelector(table, (table) => table.activePlayers)
export const inactivePlayers = createSelector(
activePlayers, players,
(activePlayers, players) => {
const activePlayerIds = activePlayers.map(({ id }) => id)
return players.filter((player) => !activePlayerIds.includes(player.id))
}
)