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OAuth (Open Authorization) is a specification for client applications to access protected resources on behalf of a user. It was developed as an alternative to users handing out their login credentials to third-party applications.

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Prevent multiple async calls from all attempting to refresh an expired OAuth token

I have some code that needs to access an API that requires OAuth authorization in the form of a token, and every time the token expires, it needs to be refreshed. … Basically, I would memoize the reAuth() function such that as long as the promise it returns the first time isn't resolved it would return that same promise for all future calls to prevent calling the OAuth
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