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June 19th, 2023 × #javascript#nodejs#webdev

AsyncLocalStorage + AsyncContext API

Discussion on AsyncLocalStorage and Async Context API in JavaScript which allow accessing context down the call stack without passing references explicitly.

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In this Hasty Treat, Scott and Wes talk about AsyncLocalStorage, why more frameworks aren't using it yet, some examples, as well as some footguns.

Show Notes

  • 00:22 Welcome
  • 01:44 What is AsyncLocalStorage?
  • 03:14 What is context?
  • 07:49 Why aren't more frameworks using AsyncLocalStorage for context for middleware?
  • 10:16 Examples of usage
  • 14:20 Footguns

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