Deprecated: use node-modules-inspector
instead.
CLI to check your project's ESM support status
Run the following command in your project root:
pnpx are-we-esm
Note
Only works with pnpm projects
--simple
- Simplified the module type toCJS
andESM
. ConsiderDUAL
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)
- Add progress bar
- Cache the result to disk
- Improve
--prod
flag by traversing the tree - Support exclude list
- Summary how top-level packages are contribute to ESM support
- Web UI
Thanks to the following projects and their authors for inspiration:
- The ESM/CJS detection logic is modified from this project by @wooorm.
MIT License © 2025-PRESENT Anthony Fu