patch-package lets app authors instantly make and keep fixes to npm dependencies. It's a vital band-aid for those of us living on the bleeding edge. # fix a bug in one of your dependencies vim node_modules/some-package/brokenFile.js # run patch-package to create a .patch file npx patch-package some-package # commit the patch file to share the fix with your team git add patches/some-package+3.14.15