function rune_outside_svelte(rune) {
	if (DEV) {
		const error = new Error(`rune_outside_svelte\nThe \`${rune}\` rune is only available inside \`.svelte\` and \`.svelte.js/ts\` files\nhttps://svelte.dev/e/rune_outside_svelte`);

		error.name = 'Svelte error';
		throw error;
	} else {
		throw new Error(`https://svelte.dev/e/rune_outside_svelte`);
	}
}
The `%rune%` rune is only available inside `.svelte` and `.svelte.js/ts` files
@param {string} rune
@returns {never}