From 58fb4176e9f3aae1aa38deac874830079caa88de Mon Sep 17 00:00:00 2001
From: Ben Scott <227292+BPScott@users.noreply.github.com>
Date: Fri, 26 Sep 2025 16:19:30 -0700
Subject: [PATCH 1/2] Allow emitFile filenames that start with a period

---
 plugin/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/index.ts b/plugin/index.ts
index c3a8a07..29b6a3c 100644
--- a/plugin/index.ts
+++ b/plugin/index.ts
@@ -290,7 +290,7 @@ export const visualizer = (
       });
 
       if (opts.emitFile) {
-        if (path.isAbsolute(filename) || filename.startsWith(".")) {
+        if (path.isAbsolute(filename) || filename.startsWith("./") || filename.startsWith("../")) {
           this.error(ERR_FILENAME_EMIT);
         }
         this.emitFile({

From c65a9bead366951302b5869d38afc1adca582223 Mon Sep 17 00:00:00 2001
From: Ben Scott <ben@reload.me.uk>
Date: Mon, 29 Sep 2025 15:14:02 -0700
Subject: [PATCH 2/2] Check for relative paths on windows

---
 plugin/index.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugin/index.ts b/plugin/index.ts
index 29b6a3c..55313d9 100644
--- a/plugin/index.ts
+++ b/plugin/index.ts
@@ -290,7 +290,9 @@ export const visualizer = (
       });
 
       if (opts.emitFile) {
-        if (path.isAbsolute(filename) || filename.startsWith("./") || filename.startsWith("../")) {
+        // Regex checks for filenames starting with `./`, `../`, `.\` or `..\`
+        // to account for windows-style path separators
+        if (path.isAbsolute(filename) ||  /^\.{1,2}[/\\]/.test(filename)) {
           this.error(ERR_FILENAME_EMIT);
         }
         this.emitFile({