@sveltejs/vite-plugin-svelte/src/utils/svelte-version.js

The official [Svelte](https://svelte.dev) plugin for [Vite](https://vitejs.dev).

import { VERSION } from 'svelte/compiler';

/**
 * @type {boolean}
 */
export const isSvelte5 = VERSION.startsWith('5.');

/**
 * @type {boolean}
 */
export const isSvelte5WithHMRSupport =
	VERSION.startsWith('5.0.0-next.') && Number(VERSION.slice(11)) > 96;