Token Refresh Stampede: The Hidden Race Bug Killing Your App's Auth — Fixed in 40 Lines
Your app's dashboard mounts five components. Token's expired. Boom—five refresh requests collide. Here's the dead-simple fix pros use.
⚡ Key Takeaways
- Token refresh stampede hits when concurrent API calls race on expired tokens, causing duplicate requests and 401 loops.
- Shared Promise reference ensures one refresh serves all callers—no booleans, queues, or libs needed.
- DIY JWT expiry parse shaves KB from bundles; 60s buffer adds reliability.
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Originally reported by dev.to
