FormDataExample2.re

FormDataExample2.re

[@bs.new] external makeFormData: unit => Fetch.formData = "FormData";

[@bs.send]
external appendFormData: (Fetch.formData, string, string) => unit = "append";

let formData = makeFormData();
  appendFormData(formData, "field1", "value1");
  appendFormData(formData, "field2", "value2");
  appendFormData(formData, "field3", "value3");

let someRequest = bodyFormData =>
  Js.Promise.(
    Fetch.fetchWithInit(
      "https://backend.api.server",
      Fetch.RequestInit.make(
        ~method_=Post,
        ~credentials=Include,
        ~body=Fetch.BodyInit.makeWithFormData(bodyFormData),
        (),
      ),
    )
  );