Validate checkout

checkout.js

params = {
  amount:"{{\App\Helpers\Money::fromPounds($course->amount)->inPence()}}",
  buttonText:"Pagar",
  maxInstallments:{{$course->max_installments}},
  uiColor:"#6500cc",
  paymentMethods:"{{$course->payment_method}}",
  postbackUrl:"{{route('course.callback.transaction')}}",
  createToken:true,
  interestRate:{{$course->interest_rate}},
  freeInstallments:{{$course->free_installments}},
  defaultInstallment:1,
  headerText:"{{$course->name}} R$ {{number_format($course->amount,2,',','.')}}",
}

params.customerData = addressValid ? "false" : "true"

if(customerData === "false" && '{{Auth::check()}}' && '{{Auth::user()->addresses->valid == "S"}}') {
  params.customer = {
    external_id: '{{Auth::id()}}',
    name: 'Auth::user()->display_name}}',
    type: 'individual',
    country: '{{(Auth::user()->addresses->valid == "S") ? strtolower(Auth::user()->addresses->country) : "br"}}',
    email: '{{Auth::user()->email}}',
    documents: [
      {
        type: '{{(Auth::user()->addresses->valid == "S") ? Auth::user()->addresses->document_type : 'cpf'}}',
        number: '{{(Auth::user()->addresses->valid == "S") ? Auth::user()->addresses->document_number : '00000000000'}}',
      },
    ],
    phone_numbers: ['+{{(Auth::user()->addresses->valid == "S") ? Auth::user()->addresses->ddi : '55'}}{{Auth::user()->addresses->valid == "S") ? Auth::user()->addresses->ddd : '51'}}{{ Auth::user()->addresses->valid == "S") ? Auth::user()->addresses->number : '999999999'}}']
  }
  params.billing = {
    name: '{{Auth::user()->display_name}}',
    address: {
      country: '{{(Auth::user()->addresses->valid == "S") ? strtolower(Auth::user()->addresses->country) : "br"}}',
      state: '{{Auth::user()->addresses->state}}',
      city: '{{Auth::user()->addresses->city}}',
      neighborhood: '{{(Auth::user()->addresses->neighborhood}}',
      street: '{{Auth::user()->addresses->street}}',
      street_number: '{{Auth::user()->addresses->street_number}}',
      zipcode: '{{Auth::user()->addresses->zipcode}}'
    }
  }
  params.items: [
    {
      id: '{{$course->id}}',
      title: '{{$course->name}}',
      unit_price: {{\App\Helpers\Money::fromPounds($course->amount)->inPence()}},
      quantity: 1,
      tangible: false
    }
  ] 

}

// Obs.: é necessário passar os valores boolean como string
checkout.open(params);