gistfile1.js

var api = Api.get("https://lesbonneschoses.prismic.io/api")

// Find all macarons
var products = api.then(function(api) {
    return api.forms['products']
      .query('[[:d = at(document.tags, "Macaron")]]')
      .ref(api.master)
      .submit()
  })

// Display macarons
products.then(function(products) {
    
    // go through products and display them
  
  })