Imports are not code – they're declarations
Sam and Ryan talk about a confusing situation where moving code into an ES module changed the execution order of a program. They also talk about conflicting advice over whether React's useEffect is appropriate for writing data, and chat about PostCSS, Tailwind and build tools.
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Show Notes
Topics include:
- 2:31 – Tailwind, PostCSS, and low-level vs. high-level tools
- 13:12 – Mirage JS and Cypress
- 13:55 – Ember 3.13 and Octane
- 15:28 – Ryan's experiencing upgrading EmberMap from 3.4 to 3.12
- 20:19 - ES Modules, and learning that imports are not code
- 42:12 – React and useEffect, and the difference between reads and writes vs. rendering and event handlers
- 1:00:50 – Object-oriented vs. functional programming in JavaScript
Links:
- [Ember 3.13 Release (Octane Preview)](https://blog.emberjs.com/2019/09/25/ember-3-13-released.html)
- [How to upgrade an Ember App or Addon](https://embermap.com/video/how-to-upgrade-an-ember-app-or-addon)
- [Rich Harris and Edward Faulkner Twitter thread about ES module design](https://twitter.com/Rich_Harris/status/1176509180951322624)
- [Twitter thread about ES module execution order](https://twitter.com/samselikoff/status/1182485014815993856)
- [Sam Selikoff on Twitter](https://twitter.com/samselikoff)
- [Ryan Toronto on Twitter](https://twitter.com/ryantotweets)