From 6c9a90e87d16a446f859edfba6585dc9766cb7bb Mon Sep 17 00:00:00 2001
From: Richard Harris <richard.a.harris@gmail.com>
Date: Sun, 9 Jun 2019 18:55:00 -0400
Subject: [PATCH] rewrite source code to point at correct files

---
 src/api/utils/copy_runtime.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/api/utils/copy_runtime.ts b/src/api/utils/copy_runtime.ts
index 6f50815..c446460 100644
--- a/src/api/utils/copy_runtime.ts
+++ b/src/api/utils/copy_runtime.ts
@@ -1,7 +1,14 @@
 import * as fs from 'fs';
 import * as path from 'path';
+import relative from 'require-relative';
 import { mkdirp } from './fs_utils';
 
+const svelte_pkg = relative('svelte/package.json', process.cwd());
+const match = /(\d+)\.(\d+)\.(\d+)/.exec(svelte_pkg.version);
+const legacy = match
+	? ((+match[1] - 3) || (+match[2] - 4) || (+match[3] - 4)) <= 0
+	: false; // ???
+
 const runtime = [
 	'app.mjs',
 	'server.mjs',
@@ -16,6 +23,8 @@ const runtime = [
 export function copy_runtime(output: string) {
 	runtime.forEach(({ file, source }) => {
 		mkdirp(path.dirname(`${output}/${file}`));
+
+		if (!legacy) source = source.replace(/svelte\/(.+)\.mjs/g, `svelte/$1/index.mjs`);
 		fs.writeFileSync(`${output}/${file}`, source);
 	});
 }
\ No newline at end of file