October 11, 2019

Imports are not code – they're declarations

Episode 76 // The EmberMap Podcast

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.

How to listen

Watch above, or find us on your favorite channel:

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


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