[adapter-vercel] Use path/posix to resolve the relative path (issue#3…

…163) (#3200) * Use path/posix to resolve the relative path if we use the default path implementation, on windows we get malformed output since esmodules use "/" as the seperator (related #3163 ) * use posix as export instead of subpackage * Add changeset * Update .changeset/fuzzy-jobs-retire.md Co-authored-by: Ignatius Bagus <[email protected]> Co-authored-by: Simon H <[email protected]> Co-authored-by: Ignatius Bagus <[email protected]>
sveltejs · Jan 4, 2022 · a34370c · a34370c
1 parent 2839689
commit a34370c
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diff --git a/.changeset/fuzzy-jobs-retire.md b/.changeset/fuzzy-jobs-retire.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-vercel': patch
+---
+
+Use path.posix to resolve routes for esmodules
diff --git a/packages/adapter-vercel/index.js b/packages/adapter-vercel/index.js
@@ -1,5 +1,5 @@
 import { writeFileSync } from 'fs';
-import { relative } from 'path';
+import { posix } from 'path';
 import { fileURLToPath } from 'url';
 import esbuild from 'esbuild';
 
@@ -31,7 +31,7 @@ export default function () {
 
 			builder.log.minor('Generating serverless function...');
 
-			const relativePath = relative(tmp, builder.getServerDirectory());
+			const relativePath = posix.relative(tmp, builder.getServerDirectory());
 
 			builder.copy(files, tmp, {
 				replace: {