https://vuex.vuejs.org/guide/getters.html
.
const store = new Vuex.Store({
state: {
todos: [
{ id: 1, text: '...', done: true },
{ id: 2, text: '...', done: false }
]
},
getters: {
doneTodos: state => {
return state.todos.filter(todo => todo.done)
}
}
})
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