svrjs-nextjs-website/lib/sanity.ts

import { createClient } from "next-sanity";
import imageUrlBuilder from "@sanity/image-url";

const config = {
  apiVersion: "2023-08-08",
  dataset: "production",
  projectId: `${process.env.NEXT_PUBLIC_SANITY_PROJECT_ID}`,
  useCdn: false // ensure fresh data
};

export const client = createClient(config);

const builder = imageUrlBuilder(client);

export function urlFor(source: any) {
  return builder.image(source);
}