An example about how Leaflet.js can be integrated with Vue.js.
Modified http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js to a secure url
https://d3js.org/d3.v4.min.js
https://d3js.org/d3-selection-multi.v0.4.min.js
https://cdnjs.cloudflare.com/ajax/libs/vue/2.0.3/vue.js
https://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js