mirror of https://github.com/sveltejs/svelte
feat: add support for {@const} inside snippet block (#9904)
* check for snippet block * change the error msg * edit tests * changeset * testpull/9899/head
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---
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'svelte': patch
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---
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feat: add support for `{@const}` inside snippet block
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import { test } from '../../test';
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export default test({
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html: `<button>0</button>`,
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async test({ assert, target }) {
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const btn = target.querySelector('button');
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assert.htmlEqual(target.innerHTML, '<button>0</button>');
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await btn?.click();
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assert.htmlEqual(target.innerHTML, '<button>2</button>');
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await btn?.click();
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assert.htmlEqual(target.innerHTML, '<button>4</button>');
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}
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});
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<script>
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let count = $state(0);
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</script>
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{#snippet counter()}
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{@const doubled = count * 2}
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<button on:click={() => (count += 1)}>{doubled}</button>
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{/snippet}
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{@render counter()}
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