how_to_check_pure_esm

Check the notes for pure esm

https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c

Check remix notes on esm/cjs problems

https://remix.run/docs/en/main/guides/vite#esm--cjs

Applying the Solution Generally

This pattern can be applied to any module that might export differently based on ESM or CJS.

import someModuleSource from 'some-module';

const someModule = (someModuleSource as any).default ?? someModuleSource;