[bug] invalid_grant: code_verifier or verifier is not needed

[murtuzaalisurti]

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A screenshot that you have tested with "Try this API".

NA

Link to the code that reproduces this issue. A link to a public Github Repository or gist with a minimal reproduction.

invalid_grant: code_verifier or verifier is not needed

A step-by-step description of how to reproduce the issue, based on the linked reproduction.

• Upgrade googleapis to v150
• npm run dev
• hit localhost:3000
• try to login using your google account

A clear and concise description of what the bug is, and what you expected to happen.

The SDK/API injects a code_verifier prop to the API call data when in fact it shouldn't be there. That's causing an invalid_grant error stating code_verifier or verifier is not needed.

The code_verifier prop should not be injected (it is undefined in the payload).

A clear and concise description WHY you expect this behavior, i.e., was it a recent change, there is documentation that points to this behavior, etc. **

The SDK/API works fine with the same code in versions below 150, so it's likely a change in this version which is causing this behavior. I haven't been able to find documentation around it.

[github-actions]

Issue was opened with an invalid reproduction link. Please make sure the repository is a valid, publicly-accessible github repository, and make sure the url is complete (example: https://github.com/googleapis/google-cloud-node)