How to Update a User Document Using the @Sanity Client

const addCalc = async () =>
  await getClient(false)
    .create({ ...calcDetails, _type: 'calculator' })
    .then(
      async res =>
        await getClient(false)
          .patch('user.cf26c3dd-7c63-4fcc-b936-6069b05213a7')
          .set({
            calculator: {
              _ref: res._id,
              type: 'reference',
            },
          })
          .commit()
          .then(res => console.log(res))
    );

import { Document } from "./schemaTypes";

export default <Document>{
  name: "user",
  title: "User",
  type: "document",
  fields: [
    {
      name: "name",
      title: "Name",
      type: "string",
    },
    {
      name: "email",
      title: "Email",
      type: "string",
    },
    {
      name: "image",
      title: "Image",
      type: "url",
    },
    {
      name: "calculator",
      title: "Calculator Data",
      type: "reference",
      to: { type: "calculator" },
    },
  ],
};