Module not found: can't resolve 'fs' error

ExamplePage.tsx

/** THIS FILE THROWS AN ERROR! */

import type { GetServerSideProps } from "next";

import { getFileExistence, formatResult } from './file-utils.ts'

type Props = {
  doesFileExist: boolean;
};

export const getServerSideProps: GetServerSideProps = async () => {
  return {
    props: {
      doesFileExist: getFileExistence('/some-file')
    },
  };
};

const ExamplePage = ({ doesFileExist }: Props) => {
  return <div>File exists?: {formatResult(doesFileExist)}</div>;
};

export default ExamplePage;

file-utils.ts

import fs from 'fs'

export function getFileExistence(filepath: string) {
  return fs.existsSync(filepath)
}

export function formatResult(fileExistsResult: boolean) {
  return fileExistsResult ? 'Yes, file exists' : 'No, file does not exist'
}