Netlify function for countdown timer to specific date, stores in Nuxt Vuex store

get-time-countdown.js

// Docs on event and context https://www.netlify.com/docs/functions/#the-handler-method
const handler = async () => {
  try {
    // Note that time will always show 5 hours longer than prod, that is normal & expected.
    const dateFuture = new Date(new Date().getFullYear(), 1, 5, 5); //  UTC is 5 hours ahead ET
    const dateNow = new Date();
    const seconds = Math.floor((dateFuture - (dateNow))/1000);
    const minutes = Math.floor(seconds/60);
    const hours = Math.floor(minutes/60);
    const hoursMinutes = minutes - hours * 60
    const timeLeft = `${hours}h ${hoursMinutes}m`;
    return {
      statusCode: 200,
      body: JSON.stringify({ timeLeft: timeLeft }),
    }
  } catch (error) {
    return { statusCode: 500, body: error.toString() }
  }
}

module.exports = { handler }

set-time-countdown.js

export default function({ $axios, store }) {
  const setTimeCountdown = function() {
    async function getTimeCountdown() {
      const url = process.env.nodeEnv === 'production'
        ? '/.netlify/functions/get-time-countdown/'
        : '/api/get-time-countdown/';
      return await $axios.get(url);
    }

    getTimeCountdown().then(({data}) => {
      store.commit('time/setTimeLeft', data.timeLeft);
    });
  };
  setInterval(setTimeCountdown, 60000);
  setTimeCountdown();
}

time.js

export const state = () => ({
  timeLeft: '0h 0m'
})

export const mutations = {
  setTimeLeft(state, value) {
    state.timeLeft = value
  },
}