noSvelteLegacyConst

Summary

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{
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  "linter": {
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    "rules": {
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      "nursery": {
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        "noSvelteLegacyConst": "error"
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      }
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    }
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  }
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}

Disallow legacy Svelte {@const} tags.

Declaration tags provide the current syntax for deriving values in Svelte markup (available since Svelte 5.56).

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{#each boxes as box}
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    {@const area = box.width * box.height}
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    <p>{area}</p>
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{/each}

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{#each boxes as box}
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    {const area = $derived(box.width * box.height)}
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    <p>{area}</p>
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{/each}