// Seeds ARIA attributes so Solid 2's DOM spread keeps the key in `ownKeys`
// from render 1 — see `test/internals/merge-props-undefined-attr.test.tsx`.

export function ariaLabelledBy(read: () => string | undefined): {
	readonly "aria-labelledby": string;
} {
	return {
		get "aria-labelledby"(): string {
			return read() ?? "";
		},
	};
}

export function ariaDescribedBy(read: () => string | undefined): {
	readonly "aria-describedby": string;
} {
	return {
		get "aria-describedby"(): string {
			return read() ?? "";
		},
	};
}

export function ariaInvalid(read: () => boolean | undefined): {
	readonly "aria-invalid": "true" | "false" | undefined;
} {
	return {
		get "aria-invalid"(): "true" | "false" | undefined {
			const v = read();
			if (v === undefined) return undefined;
			return v ? "true" : "false";
		},
	};
}