invertedIndex.js

function Index() {
  this.importedJson = {}

}
Index.prototype.createIndex = function () {
  fetch('the url to the jsoin').then((res)=> {
    return res.json()
  }).then((res)=> {
    this.importedJson = res
  })
}
Index.prototype.searchToken = function() {
  
}
Index.prototype.search = function() {
  
}
Index.prototype.vm = function() {
  
}