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Add Target Action Support deprecation guide #1410

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@wagenet wagenet commented Jun 20, 2025

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The `actions` hash on components, controllers, and routes, along with the `send` method, is deprecated. These APIs were primarily used with the now-deprecated `{{action}}` modifier and helper.

The modern approach is to use standard class methods decorated with the `@action` decorator, and to pass functions directly.
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@NullVoxPopuli NullVoxPopuli Jun 23, 2025

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speaking of @action -- do we ever update deprecation guides? the recommendation will change once we actually get plain methods working for real

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Wouldn't we just deprecate @action at that point?

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@NullVoxPopuli NullVoxPopuli Jun 23, 2025

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we could -- tho that would be hugely disruptive across the ecosystem, so I think I'd want to wait a smidge.

There was huge resistance to deprecating @action here: emberjs/rfcs#1045 (which the RFC wasn't even proposing)

maybe that'll change once the alternative ships

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