"OAuth2Client is not a constructor" for google-sheet-sync

I am receiving the following error when attempting to deploy the google-sheet-sync function:

TypeError: OAuth2Client is not a constructor

The error points to line 45 in the index file:

const functionsOauthClient = new OAuth2Client(CONFIG_CLIENT_ID, CONFIG_CLIENT_SECRET, FUNCTIONS_REDIRECT);

I go through the 14 steps laid out exactly, configuring all the IDs and everything else. I believe the issue might also have to do with line 22 in the index file:

const {OAuth2Client} = require('google-auth-library');

Elsewhere (e.g. on stack overflow here and on Google’s GitHub here) people have talked about how the syntax for the OAuth2Client class and the GoogleAuth class was altered slightly, but this code reflects that change and this issue remains.

[FluorescentHallucinogen]

See #341. 😉

[PaulSteenkisteKrikey]

Thanks for getting back to me!

I was using Node version 8.9.4, but I tried updating to 9.6.1 and the issue persisted. I also tried removing the “new” keyword, and the error changed to:

TypeError: OAuth2Client is not a function

so I do not believe that is the issue. Any other suggestions/ideas?

Thanks!