Objects two ways

Person.js

// Generated by BUCKLESCRIPT VERSION 3.1.5, PLEASE EDIT WITH CARE
'use strict';

var CamlinternalOO = require("bs-platform/lib/js/camlinternalOO.js");

var shared = [
  "name",
  "age"
];

var $$class = CamlinternalOO.create_table(shared);

var ids = CamlinternalOO.get_method_labels($$class, shared);

var name = ids[0];

var age = ids[1];

CamlinternalOO.set_methods($$class, /* array */[
      name,
      (function () {
          return "Chris";
        }),
      age,
      (function () {
          return 36;
        })
    ]);

CamlinternalOO.init_class($$class);

var chris1 = CamlinternalOO.create_object_opt(0, $$class);

var chris2 = {
  name: "Chris2",
  age: 36,
  job: "Crafter"
};

exports.chris1 = chris1;
exports.chris2 = chris2;
/* class Not a pure module */

Person.re

type person1('a) =
  {
    ..
    name: string,
    age: int,
  } as 'a;

let chris1:
  person1({
    .
    name: string,
    age: int,
  }) = {
  pub name = "Chris";
  pub age = 36
};

[@bs.deriving abstract]
type person2 = {
  name: string,
  age: int,
  job: string,
};

let chris2 = person2(~name="Chris2", ~age=36, ~job="Crafter");