Deprecated: use node-modules-inspector instead.

are-we-esm

CLI to check your project's ESM support status

Usage

Run the following command in your project root:

pnpx are-we-esm

Note

Only works with pnpm projects

--simple - Simplified the module type to CJS and ESM. Consider DUAL as ESM, FAUX as CJS (default: false)
--prod - Check only the production dependencies
--dev - Check only the development dependencies
--exclude - Exclude packages from the check, e.g. --exclude="eslint,eslint-*,@eslint/*"
--all - Print all packages, including those that are ESM compatible (default: false)
--list - Print the flat list of packages, instead of tree (default: false)
--depth - Limit the depth search of the tree (default: 25)

Thanks to the following projects and their authors for inspiration:

MIT License © 2025-PRESENT Anthony Fu