get element by Id Vue (getters)

getters.js

// store.js

export default new Vuex.Store({

state:{
  tasks: JSON.parse(localStorage.getItem('tasks') || '[]')
},
mutations: {
  createTask(state, payload){
    state.tasks.push(payload);
    
    localStorage.setItem('tasks', JSON.stringify(state.tasks));
  },
  actions:{
    createTask({commit}, payload){
      commit('createTask', payload
    }
  },
  getters: {
    tasks: s => s.tasks,
    taskById: s => id => s.tasks.find(t => t.id === id),
    operatorActive: (state) => {
        return (name) => {
            for (const key in state.operators) {
                if (state.operators.hasOwnProperty(key)) {
                    const element = state.operators[key];
                    if(element.routerName === name){
                        return element
                    }
                }
            }
        }
    }
  }
}

});

// component.vue 

export default{
  computed:{
    task(){
      return this.$store.getters.taskById(parseInt(this.$route.params.id));
//       OR
      return this.$store.getters.taskById(+this.$route.params.id);
    }
  }
}