fix: allow instrinsic <svelte:...> elements to inherit from SvelteHTMLElements (#16424)

Rich-Harris · web-flow · commit 98fb1b1f8b95 · 2025-07-17T12:14:03.000-04:00
diff --git a/.changeset/funny-masks-build.md b/.changeset/funny-masks-build.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: allow instrinsic `<svelte:...>` elements to inherit from `SvelteHTMLElements`
diff --git a/packages/svelte/svelte-html.d.ts b/packages/svelte/svelte-html.d.ts
@@ -239,18 +239,6 @@ declare global {
 			use: HTMLProps<'use', SVGAttributes>;
 			view: HTMLProps<'view', SVGAttributes>;
 
-			// Svelte specific
-			'svelte:window': HTMLProps<'svelte:window', HTMLAttributes>;
-			'svelte:body': HTMLProps<'svelte:body', HTMLAttributes>;
-			'svelte:document': HTMLProps<'svelte:document', HTMLAttributes>;
-			'svelte:fragment': { slot?: string };
-			'svelte:head': { [name: string]: any };
-			'svelte:boundary': {
-				onerror?: (error: unknown, reset: () => void) => void;
-				failed?: import('svelte').Snippet<[error: unknown, reset: () => void]>;
-			};
-			// don't type svelte:options, it would override the types in svelte/elements and it isn't extendable anyway
-
 			[name: string]: { [name: string]: any };
 		}
 	}

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'svelte': patch
 +---
++
 +fix: allow instrinsic `<svelte:...>` elements to inherit from `SvelteHTMLElements`