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Remove support for this.attrs #1016

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@NullVoxPopuli NullVoxPopuli commented Mar 27, 2024

Propose re-deprecating this.attrs

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@github-actions github-actions bot added the S-Proposed In the Proposed Stage label Mar 27, 2024
@NullVoxPopuli
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Alternative: We deprecate @ember/component entirely

Comment on lines +28 to +29
{{! is equivalent to }}
{{@foo}} and {{@foo}}
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This is less confusing

Suggested change
{{! is equivalent to }}
{{@foo}} and {{@foo}}
{{! are equivalent to }}
{{@foo}}

It was a legacy API that existed prior to named arguments being introduced in
Ember, and has continued to be supported via a template transform for some time.

This RFC proposes that we add a deprecation warning to the build-time assertion that forbids `{{attrs}}`, it will also forbid `{{this.attrs}}`.
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Suggested change
This RFC proposes that we add a deprecation warning to the build-time assertion that forbids `{{attrs}}`, it will also forbid `{{this.attrs}}`.
This RFC proposes that we add a deprecation warning to the build-time assertion that forbids `{{attrs}}` and `{{this.attrs}}`.

@chancancode
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I think we decided this is already covered by an existing deprecation RFC and was just accidentally re-enabled; we re-enabled the deprecation in emberjs/ember.js#20672 so I think we are good here

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