Function compiled with netlify-lambda throwing a dependency error once deployed

[jen]

Hey! This post should have all that you seek:

"Error: Cannot find module 'node-fetch'" when deploying function

hi @jhull, do you have your function dependencies in a package.json inside the function folder? If so, our buildbot will not automatically run npm install in those folders. You’ll need to add something like cd path_where_function lives/ && npm install && rest of your build command. This will ensure your dependencies are installed. Our buildbot only runs npm install (or yarn install) for the root package.json. That’s why that added step is needed. You can, instead, have your function dependencie…

Want to let us know if you continue to run into issues after taking a look and implementing the suggestion there?