export const state = () => ({ users: [] }) export const getters = { getIsUserOnline: state => id => { return state.users.find(u => u.id === id) } } export const actions = { } export const mutations = { resetUsers(state) { state.users = [] }, updateUser(state, user) { var index = state.users.findIndex(u => u.id === user.id) if (index >= 0) { state.users.splice(index, 1, user) } else { state.users.push(user) } }, removeUser(state, user) { state.users = state.users.filter(u => u.id !== user.id) } }