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fix: locate Rollup annontaion friendly to JS downgraders #17724

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7nik merged 2 commits into from
Feb 17, 2026
Merged

fix: locate Rollup annontaion friendly to JS downgraders #17724

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fix: locate Rollup annontaion friendly to JS downgraders
7nik Feb 17, 2026
867bc71
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dummdidumm Feb 17, 2026
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5 changes: 5 additions & 0 deletions .changeset/icy-otters-fall.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'svelte': patch
---

fix: locate Rollup annontaion friendly to JS downgraders
5 changes: 4 additions & 1 deletion packages/svelte/src/internal/client/constants.js
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Expand Up @@ -67,7 +67,10 @@ export const STALE_REACTION = new (class StaleReactionError extends Error {
message = 'The reaction that called `getAbortSignal()` was re-run or destroyed';
})();

export const IS_XHTML = /* @__PURE__ */ globalThis.document?.contentType?.includes('xml') ?? false;
export const IS_XHTML =
// We gotta write it like this because after downleveling the pure comment may end up in the wrong location
!!globalThis.document?.contentType &&
/* @__PURE__ */ globalThis.document.contentType.includes('xml');
export const ELEMENT_NODE = 1;
export const TEXT_NODE = 3;
export const COMMENT_NODE = 8;
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10 changes: 5 additions & 5 deletions packages/svelte/src/internal/client/dom/reconciler.js
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Expand Up @@ -2,15 +2,15 @@

import { create_element } from './operations.js';

const policy = /* @__PURE__ */ globalThis?.window?.trustedTypes?.createPolicy(
'svelte-trusted-html',
{
const policy =
// We gotta write it like this because after downleveling the pure comment may end up in the wrong location
globalThis?.window?.trustedTypes &&
/* @__PURE__ */ globalThis.window.trustedTypes.createPolicy('svelte-trusted-html', {
/** @param {string} html */
createHTML: (html) => {
return html;
}
}
);
});

/** @param {string} html */
function create_trusted_html(html) {
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