alexander-e-andrews opened a new issue, #21382:
URL: https://github.com/apache/superset/issues/21382

   A clear and concise description of what the bug is.
   Followed along with example deployment. Successfully passing in the first 
token.   
   Afterwards it attempts to do getGuestTokenRefreshTiming and fails as 
Buffer.from is not found
   #### How to reproduce the bug
   
   1. Follow along with example
   2. Navigate to the webpage
   
   ### Expected results
   
   Function runs without issue
   
   ### Actual results
   
   `guestTokenRefresh.js:41 Uncaught (in promise) ReferenceError: Buffer is not 
defined.  
       at getGuestTokenRefreshTiming (guestTokenRefresh.js:41:1)   
       at _callee3$ (index.js:137:1)   
       at tryCatch (runtime.js:63:1)   
       at Generator.invoke [as _invoke] (runtime.js:293:1)   
       at Generator.next (runtime.js:118:1)   
       at asyncGeneratorStep (asyncToGenerator.js:3:1)    
       at _next (asyncToGenerator.js:25:1)`    
   
   
   ### Environment
   
   - browser type and version: chrome 105.0.5195.102
   - superset version: 2.0.0
   - node.js version: v16.17.0
   
   ### Checklist
   
   Make sure to follow these steps before submitting your issue - thank you!
   
   - [x] I have checked the superset logs for python stacktraces and included 
it here as text if there are any.
   - [x] I have reproduced the issue with at least the latest released version 
of superset.
   - [x] I have checked the issue tracker for the same issue and I haven't 
found one similar.
   
   ### Additional context
   
   Adding a buffer replacement to guestTokenRefresh.js like 
npmjs.com/package/buffer removes the error
   


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