From 7a7f9089d33a93b21366fd26b79cac9d501ebae5 Mon Sep 17 00:00:00 2001
From: dominikg <dominik.goepel@gmx.de>
Date: Wed, 28 Apr 2021 22:11:08 +0200
Subject: [PATCH] fix: use pathToFileURL to ensure windows compatibility

see https://github.com/sveltejs/vite-plugin-svelte/issues/29#issuecomment-828218723
---
 packages/vite-plugin-svelte/src/utils/loadSvelteConfig.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vite-plugin-svelte/src/utils/loadSvelteConfig.ts b/packages/vite-plugin-svelte/src/utils/loadSvelteConfig.ts
index 383ee3c9f..07721ab17 100644
--- a/packages/vite-plugin-svelte/src/utils/loadSvelteConfig.ts
+++ b/packages/vite-plugin-svelte/src/utils/loadSvelteConfig.ts
@@ -1,5 +1,6 @@
 import path from 'path';
 import fs from 'fs';
+import { pathToFileURL } from 'url';
 import { log } from './log';
 import { Options } from './options';
 import { ResolvedConfig } from 'vite';
@@ -21,7 +22,7 @@ export async function loadSvelteConfig(
 		// try to use dynamic import for svelte.config.js first
 		if (configFile.endsWith('.js') || configFile.endsWith('.mjs')) {
 			try {
-				return await dynamicImportDefault(configFile);
+				return await dynamicImportDefault(pathToFileURL(configFile).href);
 			} catch (e) {
 				log.debug(`failed to import config ${configFile}`, e);
 				err = e;