netlify dev function not updating

[mcansh]

Describe the bug

A clear and concise description of what the bug is.

To Reproduce

Steps to reproduce the behavior:

1. Run git clone git@github.com:mcansh/netlify-require-cache.git
2. Navigate to the cloned repository
3. Run netlify dev and ./build.cjs --watch
4. make a change to ./src/index.js
5. notice that the dist file (netlify/functions/server/dist/index.cjs) is updated and whats shown in the browser is not

Configuration

• If possible, please copy/paste below your netlify.toml.

[build]
  functions = "netlify/functions"
  publish = "public"

[dev]
  functions = "netlify/functions"
  publish = "public"
  port = 3000
  autoLaunch = false

[[redirects]]
  from = "/*"
  to = "/.netlify/functions/server"
  status = 200

[[headers]]
  for = "/build/*"
  [headers.values]
    "Cache-Control" = "public, max-age=31536000, s-maxage=31536000"

• Please enter the following command in a terminal and copy/paste its output:

npx envinfo --system --binaries --npmPackages netlify-cli --npmGlobalPackages netlify-cli

  System:
    OS: macOS 12.0
    CPU: (12) x64 Intel(R) Core(TM) i9-8950HK CPU @ 2.90GHz
    Memory: 786.18 MB / 32.00 GB
    Shell: 5.8 - /bin/zsh
  Binaries:
    Node: 14.17.6 - ~/.n/bin/node
    Yarn: 1.22.5 - ~/.yarn/bin/yarn
    npm: 7.24.0 - ~/.n/bin/npm
  npmGlobalPackages:
    netlify-cli: 6.9.9

Expected behavior

the require cache would be updated and show the latest changes

CLI Output

If applicable, add the CLI output to help explain your problem.

Additional context

Add any other context about the problem here.

[netlify-team-account-1]

Hi @mcansh, thank you for reporting this error! I was able to reproduce it locally. I'll circle around internally to find what we'll do about it.

To unblock yourself, you can use the esbuild bundler. That solved the issue for me:

# netlify.toml

+ [functions]
+   node_bundler = "esbuild"