fix: edge function path parsing on windows

Author: gregnr

packages/mcp-server-supabase/src/edge-function.ts

@@ -1,5 +1,5 @@
 import { codeBlock } from 'common-tags';
-import { fileURLToPath } from 'url';
+import { fileURLToPath } from 'node:url';
 import { extractFiles } from './eszip.js';
 import {
   assertSuccess,
@@ -84,11 +84,17 @@ export async function getFullEdgeFunction(
   const pathPrefix = getPathPrefix(deploymentId);
 
   const entrypoint_path = edgeFunction.entrypoint_path
-    ? fileURLToPath(edgeFunction.entrypoint_path).replace(pathPrefix, '')
+    ? fileURLToPath(edgeFunction.entrypoint_path, { windows: false }).replace(
+        pathPrefix,
+        ''
+      )
     : undefined;
 
   const import_map_path = edgeFunction.import_map_path
-    ? fileURLToPath(edgeFunction.import_map_path).replace(pathPrefix, '')
+    ? fileURLToPath(edgeFunction.import_map_path, { windows: false }).replace(
+        pathPrefix,
+        ''
+      )
     : undefined;
 
   const eszipResponse = await managementApiClient.GET(

packages/mcp-server-supabase/src/eszip.ts

@@ -1,5 +1,5 @@
 import { build, Parser } from '@deno/eszip';
-import { join, relative } from 'node:path';
+import { join, relative } from 'node:path/posix';
 import { fileURLToPath } from 'node:url';
 import { z } from 'zod';
 
@@ -45,7 +45,10 @@ export async function extractFiles(
       const sourceMapString: string =
         await parser.getModuleSourceMap(specifier);
 
-      const filePath = relative(pathPrefix, fileURLToPath(specifier));
+      const filePath = relative(
+        pathPrefix,
+        fileURLToPath(specifier, { windows: false })
+      );
 
       const file = new File([source], filePath, {
         type: 'text/plain',

packages/mcp-server-supabase/test/mocks.ts

@@ -2,7 +2,7 @@ import { PGlite, type PGliteInterface } from '@electric-sql/pglite';
 import { format } from 'date-fns';
 import { http, HttpResponse } from 'msw';
 import { customAlphabet } from 'nanoid';
-import { join } from 'node:path';
+import { join } from 'node:path/posix';
 import { expect } from 'vitest';
 import { z } from 'zod';
 import packageJson from '../package.json' with { type: 'json' };