Vue2Leaflet Problem

App.vue

<template>
  <div id="app">
    <div class="company-list">
      <ul>
        <li v-for="company in companies" 
          :class="{ active : activeCompany == company.id }"
          :key="company.id" 
          @click="openPopup(company.id)"
        >
          <div class="company-title">
            {{company.id}} - {{company.name}}
          </div>
          <div class="company-logo"><img :src="company.logoUrl" /></div>
        </li>
      </ul>
    </div>
    <div class="map-div">
      <v-map :zoom=8 :center="[49.5, -117]" ref="map">
        <v-tilelayer url="http://{s}.tile.osm.org/{z}/{x}/{y}.png"></v-tilelayer>
        <v-marker 
          v-for="company in companies"
          :lat-lng="company.location" 
          :icon="companyIcon(company.id)"
          :key="company.id"
          @l-popupopen="popupOpenHandler(company.id)"
          @l-popupclose="popupCloseHandler(company.id)">

          <v-popup 
            :content='popupTemplate(company)' 
            :key="company.id" 
            :ref="'popup_' + company.id"
          />
          
          <v-tooltip :content='company.name' />
        </v-marker>
      </v-map>
    </div>
  </div>
</template>

<script>
import {
  Map as vMap,
  TileLayer as vTilelayer,
  Marker as vMarker,
  Popup as vPopup,
  Tooltip as vTooltip
} from 'vue2-leaflet'

import L from 'leaflet'
import Glyph from 'leaflet.icon.glyph' // eslint-disable-line no-unused-vars
// import axios from 'axios'

// const templateIf = (condition, thenTemplate, elseTemplate = '') => {
//   return condition ? thenTemplate : elseTemplate
// }

const companies = [
  {
    'name': 'Columbia',
    'description': 'service provider',
    'address': 'Nelson, BC',
    'location': [ 49.4928119, -117.2948343 ],
    'telephone': '250 505-4041',
    'url': '',
    'contactEmail': '',
    'logoUrl': ''
  }, {
    'name': 'Spice',
    'description': 'Product',
    'address': 'Trail, BC',
    'location': [ 49.0965676, -117.7117301 ],
    'telephone': '',
    'url': '',
    'contactEmail': '',
    'logoUrl': ''
  }
]

const sortBy = function (field, reverse, primer) {
  let key = primer
    ? function (x) { return primer(x[field]) }
    : function (x) { return x[field] }

  reverse = !reverse ? 1 : -1

  return function (a, b) {
    let A = key(a)
    let B = key(b)
    return ((A < B) ? -1 : ((A > B) ? 1 : 0)) * [-1, 1][+!!reverse]
  }
}

export default {
  name: 'app',
  components: {
    vMap,
    vTilelayer,
    vMarker,
    vPopup,
    vTooltip
  },
  data () {
    return {
      companies: {},
      activeCompany: false
    }
  },
  created () {
    // axios.get('/static/companies.json').then(response => {
    //   response.data.sort(sortBy('name', false, function (a) { return a.toUpperCase() }))
    //   response.data.forEach((item, index) => {
    //     item.id = index + 1
    //   })
    //   this.companies = response.data
    // })

    this.companies = companies
    this.companies.sort(sortBy('name', false, function (a) { return a.toUpperCase() }))
    this.companies.forEach((item, index) => {
      item.id = index + 1
    })
  },
  mounted () {
  },
  methods: {
    companyIcon (value) {
      return L.icon.glyph({
        prefix: '',
        glyph: value
      })
    },
    popupTemplate (company) {
      return `
      <img src=${company.logoUrl} /><br />
      <h2><a href=${company.url} target="_blank">${company.name}</a></h2> <br /> 
      ${company.description} <br /><br />

      Tel: ${company.telephone} <br />
      <a href="mailto:${company.contactEmail}">${company.contactEmail}</a> <br />
      ${company.address} <br />
      `
    },
    openPopup (cid) {
      this.$refs['popup_' + cid][0].parent.openPopup()
    },
    popupOpenHandler (company) {
      this.activeCompany = company
    },
    popupCloseHandler (company) {
      this.activeCompany = false
    }
  }
}
</script>

<style src="leaflet/dist/leaflet.css" lang="css"></style>
<style>
body {
  margin: 0;
}

#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
  display: flex;
  height: 100%;
  width: 100%;
}

.company-list {
  height: 100vh;
  width: 350px;
  overflow-y: scroll;
}

.company-list ul {
  padding: 0;
  margin: 0;
} 

.company-list li {
  display: flex;
  list-style: none;
  padding: 3px 0;
  height: 50px;
  vertical-align: middle;
  cursor: pointer;
}

.company-list li:nth-child(odd) {
  background-color: #8F8F8F;
  color: white;
}

.company-list li:nth-child(even) {
  background-color: #777777;
  color: white;
}

.company-list li.active {
  background-color: red;
}

.company-list img {
  max-width: 100px;
  max-height: 50px;
}

.company-list .company-title {
  flex: 1;
  align-self: center;
  padding-left: 5px;
}

.company-list .company-logo {
  align-self: center;
}

.map-div {
  height: 100vh;
  flex: 1;
}

.leaflet-popup-content img {
  width: 200px
}

.leaflet-popup-content h2 {
  margin: 3px 0;
}
</style>