API function error when Nextjs app has package type=module

Verify canary release

• I verified that the issue exists in Next.js canary release

Provide environment information

Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 21.4.0: Fri Mar 18 00:47:26 PDT 2022; root:xnu-8020.101.4~15/RELEASE_ARM64_T8101
Binaries:
  Node: 16.15.0
  npm: 8.5.5
  Yarn: 1.22.15
  pnpm: 6.11.0
Relevant packages:
  next: 12.1.5
  react: 18.1.0
  react-dom: 18.1.0

What browser are you using? (if relevant)

No response

How are you deploying your application? (if relevant)

branch trigger

Describe the Bug

Getting error when calling an api route when my package.json type=module

2022-05-14T00:47:32.805Z	undefined	ERROR	ReferenceError: exports is not defined in ES module scope
This file is being treated as an ES module because it has a '.js' file extension and '/var/task/package.json' contains "type": "module". To treat it as a CommonJS script, rename it to use the '.cjs' file extension.
    at file:///var/task/___next_launcher.js:2:23
    at ModuleJob.run (node:internal/modules/esm/module_job:195:25)
    at async Promise.all (index 0)
    at async ESMLoader.import (node:internal/modules/esm/loader:337:24)
    at async importModuleDynamicallyWrapper (node:internal/vm/module:437:15)
    at async getListener (/var/task/___vc/__launcher.js:37:11)
RequestId: 53046e6c-3224-48d2-9428-1db2456069c2 Error: Runtime exited with error: exit status 1
Runtime.ExitError

Expected Behavior

Run function without error

To Reproduce

create api function with .ts in a nextjs app with it’s package.json type=module

deploy function to vercel

trigger production function

[ijjk]

The above PR is not yet available, we will update here when it is rolled

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