Failed to deploy functions if project is located in subdirectory (with minimal example to reproduce)

[hmpthz]

Just found out the real issue here, close the discussion.

Vercel deploys functions directly from sourcecode, BEFORE build step, which could be inflexible to devs

Hi Vercel Staff, Sorry for the confusion from the bug report I created before. At first, I thought this must an issue regarding monorepo or project root directory, given that there were a lot of similar issues in the community. It turns out I didn’t correctly understand how Vercel functions are deployed: it directly searchs through /api directory from the sourcecode to found any .js, .cjs, .mjs, .ts file and deploy each of them as a node runtime function. In contrast, my previous workflow wa…