ugh windows

Author: Rich-Harris

packages/kit/src/core/dev/plugin.js

@@ -12,6 +12,7 @@ import { get_mime_lookup, get_runtime_path, resolve_entry } from '../utils.js';
 import { coalesce_to_error } from '../../utils/error.js';
 import { load_template } from '../config/index.js';
 import { sequence } from '../../hooks.js';
+import { posixify } from '../../utils/filesystem.js';
 
 /**
  * @param {import('types').ValidatedConfig} config
@@ -235,12 +236,12 @@ export async function create_plugin(config, cwd) {
 // can get loaded twice via different URLs, which causes failures. Might
 // require changes to Vite to fix
 const { default: root } = await vite.ssrLoadModule(
-'/' + path.relative(cwd, `${config.kit.outDir}/generated/root.svelte`)
+`/${posixify(path.relative(cwd, `${config.kit.outDir}/generated/root.svelte`))}`
 );
 
 const paths = await vite.ssrLoadModule(
 process.env.BUNDLED
-? '/' + path.relative(cwd, `${config.kit.outDir}/runtime/paths.js`)
+? `/${posixify(path.relative(cwd, `${config.kit.outDir}/runtime/paths.js`))}`
 : `/@fs${runtime}/paths.js`
 );