I think that's a key point, the earlier you can catch the problem the less frustrating for both sides. There is https://www.npmjs.org/package/commitplease https

I think that's a key point, the earlier you can catch the problem the less frustrating for both sides. There is https://www.npmjs.org/package/commitplease https://www.npmjs.org/package/commitplease for commit hooks but it's still handy to have something audit pull requests.