From 9623b4e4156a8a14833867db701366d8bbfb70fb Mon Sep 17 00:00:00 2001
From: Jacob Ebey <jacob.ebey@live.com>
Date: Mon, 2 Oct 2023 12:04:33 -0700
Subject: [PATCH] fix: sourcemap takes into account special chars in output
 file (#7574)

---
 .changeset/fix-cf-sourcemaps.md             | 5 +++++
 packages/remix-dev/compiler/server/write.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/fix-cf-sourcemaps.md

diff --git a/.changeset/fix-cf-sourcemaps.md b/.changeset/fix-cf-sourcemaps.md
new file mode 100644
index 00000000000..164eb7b5561
--- /dev/null
+++ b/.changeset/fix-cf-sourcemaps.md
@@ -0,0 +1,5 @@
+---
+"@remix-run/dev": patch
+---
+
+sourcemap takes into account special chars in output file
diff --git a/packages/remix-dev/compiler/server/write.ts b/packages/remix-dev/compiler/server/write.ts
index d5300452d1b..680b8e8b69f 100644
--- a/packages/remix-dev/compiler/server/write.ts
+++ b/packages/remix-dev/compiler/server/write.ts
@@ -14,7 +14,7 @@ export async function write(
     if ([".js", ".cjs", ".mjs"].some((ext) => file.path.endsWith(ext))) {
       // fix sourceMappingURL to be relative to current path instead of /build
       let filename = file.path.substring(file.path.lastIndexOf(path.sep) + 1);
-      let escapedFilename = filename.replace(/\./g, "\\.");
+      let escapedFilename = filename.replace(/([.[\]])/g, "\\$1");
       let pattern = `(//# sourceMappingURL=)(.*)${escapedFilename}`;
       let contents = Buffer.from(file.contents).toString("utf-8");
       contents = contents.replace(new RegExp(pattern), `$1${filename}`);