when successful it sends a rails ajax post to donations

donations_controller.rb

class DonationsController < ApplicationController
  def new
  end

  def create
    amount = CorrectMoneyService.new(params[:amount]).call
    @current_user = FindMemberService.new(params).call
    session[:user_id] = @current_user.id
    #begin
      AttachPaymentMethodService.new(@current_user.stripe_id, params[:cc]).call
    #rescue Stripe::CardError => e
    #   binding.pry
    #   respond_to do |format|
    #     format.js {  }
    #   end
    # end
      charge_type = CheckChargeType.new(@current_user.stripe_id, params, amount).call
      @intent = case charge_type
      when "custom_monthly"
      when "monthly"
      when "charge"
        @intent = CreatePaymentIntentService.new(@current_user, amount, params ).call
      end

      if @intent[1].has_value?(true)
        redirect_to thank_you_path
      else

      end
  end
end

log

Started POST "/donations" for ::1 at 2019-12-30 21:41:40 -0500
Processing by DonationsController#create as */*
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"Zqa3djUGM64ylO1ph+cKpMFk6sSonMZ1vTaLecU9PorVVPTQS3KOkunsmGfr00ptyairFhswQu7JrpqAz6LQtA==", "name"=>"Gustavo Pares", "phone"=>"13056193724", "email"=>"gustavoanal
ytics@gmail.com", "address_line1"=>"3540 South Marion Ave", "address_city"=>"Tulsa", "address_state"=>"OK", "address_zip"=>"74135", "address_country"=>"United States", "dedication"=>"", "amount"=>"250.00", "cc"=>
"pm_1FvafwLe7Ukzj8Aa1UIanfMw", "subscription"=>"", "custom"=>"", "plan"=>"plan_Ew2RkoXy6PoFns", "charge_type"=>"donation"}
  Membership Load (0.3ms)  SELECT  "memberships".* FROM "memberships" WHERE "memberships"."email" = $1 LIMIT $2  [["email", "gustavoanalytics@gmail.com"], ["LIMIT", 1]]
  CACHE Membership Load (0.0ms)  SELECT  "memberships".* FROM "memberships" WHERE "memberships"."email" = $1 LIMIT $2  [["email", "gustavoanalytics@gmail.com"], ["LIMIT", 1]]
Redirected to http://localhost:3000/thank-you
Completed 200 OK in 2584ms (ActiveRecord: 0.3ms)


The redirection does not complete I have noticed that #create as */* is not the normal HTML 

new.haml

stripe
  .createPaymentMethod({
    type: 'card',
    card: cardNumberElement,
    billing_details: {
      name: $('#name').val(),
    },
  })
  .then(function(result) {
    if(result.error) {
      console.log(result.error)
    } else {
      console.log(result.paymentMethod.id)
      console.log("winning")
      $("#cc").val(result.paymentMethod.id)

      var formData = new FormData(form)
      console.log(formData.entries())

      Rails.ajax({
        url: "/donations",
        type: "post",
        data: formData,
        success: function(data) {
        },
        error: function(data) {}
      })
    }
    });