Version Management for Vue SPA application to see for outdated content

check-version.js

import compareVersions from 'compare-versions';
fetch(process.env.BASE_URL + `version.json?_d=` + encodeURI(new Date().toJSON()), {
  method: "GET",
  headers: {
    "pragma": "no-cache",
    "cache-control": "no-store"
  }
})
  .then(resp => resp.json())
  .then(json => {
    console.log("Server Version: " + json.version)
    console.log("Local Version: " + document.head.querySelector("[name=version]").attributes['content'].value)
    if (compareVersions(json.version, document.head.querySelector("[name=version]").attributes['content'].value) != 0) {
      confirm("You are using outdated application, from cache. Do you want to reload the latest version from server?")
    }
  })
  .catch(e => console.error('Unable to compare version from server')) 

main.js

// add this library for comparing versions
// yarn add compare-versions
require("./check-version")

version.ejs

{
  "name": "<%= package.name %>",
  "buildDate": "<%= currentTime %>",
  "version": "<%= package.version %>"
}