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-rw-r--r--.changeset/blue-dolls-melt.md5
-rw-r--r--packages/astro/types.d.ts5
2 files changed, 9 insertions, 1 deletions
diff --git a/.changeset/blue-dolls-melt.md b/.changeset/blue-dolls-melt.md
new file mode 100644
index 000000000..a4d0c26d7
--- /dev/null
+++ b/.changeset/blue-dolls-melt.md
@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Updates the `HTMLAttributes` type exported from `astro` to allow data attributes
diff --git a/packages/astro/types.d.ts b/packages/astro/types.d.ts
index 7eaa4823c..eaf3f30c6 100644
--- a/packages/astro/types.d.ts
+++ b/packages/astro/types.d.ts
@@ -4,11 +4,14 @@ import type { Simplify } from './dist/type-utils.js';
/** Any supported HTML or SVG element name, as defined by the HTML specification */
export type HTMLTag = keyof astroHTML.JSX.DefinedIntrinsicElements;
+
/** The built-in attributes for any known HTML or SVG element name */
export type HTMLAttributes<Tag extends HTMLTag> = Omit<
astroHTML.JSX.IntrinsicElements[Tag],
keyof Omit<AstroBuiltinAttributes, 'class:list'>
->;
+> & {
+ [key: string]: string | number | boolean | null | undefined;
+};
/**
* All the CSS properties available, as defined by the CSS specification