Fix compatibility for @astrojs/db with cloudflare (#10677)

* Fix compatibility for @astrojs/db with cloudflare

* Use a manual implementation

* Update lockfile

.changeset/eleven-eyes-sip.md

@@ -0,0 +1,5 @@
+---
+"@astrojs/db": patch
+---
+
+Fix compatibility of @astrojs/db with Cloudflare

packages/db/src/runtime/index.ts

@@ -1,4 +1,4 @@
-import { pathToFileURL } from 'url';
+import { pathToFileURL } from './utils.js';
 import { type ColumnBuilderBaseConfig, type ColumnDataType, sql } from 'drizzle-orm';
 import {
 	type IndexBuilder,

packages/db/src/runtime/utils.ts

@@ -1,5 +1,7 @@
 import { AstroError } from 'astro/errors';
 
+const isWindows = process?.platform === "win32";
+
 /**
  * Small wrapper around fetch that throws an error if the response is not OK. Allows for custom error handling as well through the onNotOK callback.
  */
@@ -22,3 +24,27 @@ export async function safeFetch(
 export class AstroDbError extends AstroError {
 	name = 'Astro DB Error';
 }
+
+export default function slash(path: string) {
+	const isExtendedLengthPath = path.startsWith('\\\\?\\');
+
+	if (isExtendedLengthPath) {
+		return path;
+	}
+
+	return path.replace(/\\/g, '/');
+}
+
+export function pathToFileURL(path: string): URL {
+	if(isWindows) {
+		let slashed = slash(path);
+		// Windows like C:/foo/bar
+		if(!slashed.startsWith('/')) {
+			slashed = '/' + slashed;
+		}
+		return new URL('file://' + slashed);
+	}
+
+	// Unix is easy
+	return new URL('file://' + path);
+}