sample use async inside method vue

SystemInformation.vue

<template>
  <div>
    <div class="title">Information</div>
    <div class="items">
      <div class="item">
        <div class="name">Path:</div>
        <div class="value">{{ path }}</div>
      </div>
      <div class="item">
        <div class="name">Route Name:</div>
        <div class="value">{{ name }}</div>
      </div>
      <div class="item">
        <div class="name">Vue.js:</div>
        <div class="value">{{ vue }}</div>
      </div>
      <div class="item">
        <div class="name">Electron:</div>
        <div class="value">{{ electron }}</div>
      </div>
      <div class="item">
        <div class="name">Node:</div>
        <div class="value">{{ node }}</div>
      </div>
      <div class="item">
        <div class="name">Platform:</div>
        <div class="value">{{ platform }}</div>
      </div>
    </div>
    <button @click="update">update</button>
    <button @click="openDirectory">opendir</button>
  </div>
</template>

<script>
  export default {
    data () {
      return {
        electron: process.versions.electron,
        name: this.$route.name,
        node: process.versions.node,
        path: this.$route.path,
        platform: require('os').platform(),
        vue: require('vue/package.json').version
      }
    },
    mounted () {
    },
    methods: {
      openDirectory () {
        const electron = require('electron')
        const remote = electron.remote
        const dialog = remote.dialog
        const fs = require('fs')

        dialog.showOpenDialog({properties: ['openDirectory']}, function (path) {
          if (path) {
            fs.access(path[0], fs.R_OK && fs.W_OK, function (err) {
              if (err) {
                prompt.alert('Cannot select this folder')
              } else {
                console.log(path[0])
                // settingsForm.find('input[name="downloadpath"]').val(path[0])
              }
            })
          }
        })
      },
      update () {
        const axios = require('axios')
        const vm = this

        const getDetails = async function () {
          const goldalworming = await axios.get('https://api.github.com/users/goldalworming')

          return goldalworming
        }
        const getDetails2 = async function () {
          const wesbos = await axios.get('https://api.github.com/users/wesbos')

          return wesbos
        }

        var name1 = ''
        var name2 = ''
        const main = async function () {
          let user = await getDetails()
          name1 = user.data.login
          user = await getDetails2()
          name2 = user.data.login
          vm.name = name1
          vm.node = name2
        }
        main()
      }
    }
  }
</script>

<style scoped>
  .title {
    color: #888;
    font-size: 18px;
    font-weight: initial;
    letter-spacing: .25px;
    margin-top: 10px;
  }

  .items { margin-top: 8px; }

  .item {
    display: flex;
    margin-bottom: 6px;
  }

  .item .name {
    color: #6a6a6a;
    margin-right: 6px;
  }

  .item .value {
    color: #35495e;
    font-weight: bold;
  }
</style>