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tracked-tools / tracked-built-ins

Tracked versions of JavaScript's built-in classes

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Prepare for Ember adoption

chriskrycho opened this issue · comments

commented

Tracking issue for readying this package to be the "polyfill" for emberjs/rfcs#812 – we will keep this updated as that evolves!

  • #27
  • update the constructors to match those for the types they represent? (ongoing discussion with Framework team)
  • #320
  • #327
commented

cross-posting from here: starbeamjs/starbeam#89

but, imo (ofc, but strong feelings), the current TrackedArray implementation needs some performance improvements before being adopted by Ember.
it's already implemented in ember-data, here: https://github.com/emberjs/data/blob/main/packages/store/src/-private/record-arrays/identifier-array.ts

Also, we probably also need proper storage primitives, because all the storage primitives (right now) greatly thrash memory and cpu compared to if the storage primitives were non-polyfilled.
(build on top of tracked requires decorator + class + instance on top of the native tracked implementation), and doing that for every tracked value is a lot.