It's backward compatible so still supports our 3.28 ember-source.
The visible change is finally getting rid of this message:
```
WARNING: Node v18.12.0 is not tested against Ember CLI on your platform. We recommend that you use the most-recent "Active LTS" version of Node.js. See https://git.io/v7S5n for details.
```
---
`@ember/string` dependency is added for future compatibility. See: https://github.com/ember-cli/ember-cli/pull/10125
---
`tests/helpers/index.js` is unused for now, but is a nice pattern. We could move some of our test setup into local `setupApplicationTest/setupRenderingTest/setupTest` helpers.
Co-authored-by: David Taylor <david@taylorhq.com>
The implemented helpers, are helper which might be in Ember core in the future:
- and
- or
- not
- eq
- not-eq
- lt
- lte
- gt
- gte
They follow the implementation of ember-truth-helpers: https://github.com/jmurphyau/ember-truth-helpers
Note 1: Ember rfcs are still debating going with {{not-eq}} or {{neq}}, should be easy to support in the future whatever is finally chosen.
Note 2: this commit also moves it to its own addon, and removes the {{not}} test, to simplify further updates.