@sveltejs/vite-plugin-svelte/src/index.js

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

/** @import { Options } from './public.js' */
/** @import { PluginAPI } from './types/plugin-api.js' */
/** @import { Plugin } from 'vite' */

import process from 'node:process';
import { log } from './utils/log.js';
import { configure } from './plugins/configure.js';
import { preprocess } from './plugins/preprocess.js';
import { compile } from './plugins/compile.js';
import { loadCompiledCss } from './plugins/load-compiled-css.js';
import { setupOptimizer } from './plugins/setup-optimizer.js';
import { compileModule } from './plugins/compile-module.js';
import { svelteInspector } from './plugins/inspector/index.js';
import { loadCustom } from './plugins/load-custom.js';
import { hotUpdate } from './plugins/hot-update.js';

/**
 * returns a list of plugins to handle svelte files
 * plugins are named `vite-plugin-svelte:<task>`
 *
 * @param {Partial<Options>} [inlineOptions]
 * @returns {Plugin[]}
 */
export function svelte(inlineOptions) {
	if (process.env.DEBUG != null) {
		log.setLevel('debug');
	}
	/** @type {PluginAPI} */
	// @ts-expect-error initialize empty to guard against early use
	const api = {}; // initialized by configure plugin, used in others
	return [
		{ name: 'vite-plugin-svelte' }, // marker for detection logic in other plugins that expect this name
		configure(api, inlineOptions),
		setupOptimizer(api),
		loadCompiledCss(api),
		loadCustom(api),
		preprocess(api),
		compile(api),
		compileModule(api),
		hotUpdate(api),
		svelteInspector(api)
	];
}

export { vitePreprocess } from './preprocess.js';
export { loadSvelteConfig } from './utils/load-svelte-config.js';