cal.pub0.org/apps/storybook/.storybook/preview.js

import { RouterContext } from "next/dist/shared/lib/router-context";
import * as NextImage from "next/image";

import "../styles/globals.css";

const OriginalNextImage = NextImage.default;

Object.defineProperty(NextImage, "default", {
  configurable: true,
  value: (props) => <OriginalNextImage {...props} unoptimized />,
});

export const parameters = {
  actions: { argTypesRegex: "^on[A-Z].*" },
  controls: {
    matchers: {
      color: /(background|color)$/i,
      date: /Date$/,
    },
  },
  nextRouter: {
    Provider: RouterContext.Provider,
  },
};

window.getEmbedNamespace = () => {
  const url = new URL(document.URL);
  const namespace = url.searchParams.get("embed");
  return namespace;
};

window.getEmbedTheme = () => {
  return "auto";
};