From b411206fc49a019adf76f2773591d43ac956f935 Mon Sep 17 00:00:00 2001
From: Chris Brown <77508021+peakschris@users.noreply.github.com>
Date: Wed, 19 Nov 2025 12:19:22 -0500
Subject: [PATCH 1/2] windows

---
 jest/private/jest_test.bzl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jest/private/jest_test.bzl b/jest/private/jest_test.bzl
index 76c891f..b1a858d 100644
--- a/jest/private/jest_test.bzl
+++ b/jest/private/jest_test.bzl
@@ -102,7 +102,7 @@ def _impl(ctx):
         "--config",
         # quote the path since it might have special chars such as parens.
         # quoting ensures that the shell doesn't do any globbing or splitting.
-        "'" + paths.join(unwind_chdir_prefix, generated_config.short_path) + "'",
+        '"' + paths.join(unwind_chdir_prefix, generated_config.short_path) + '"',
     ])
     if ctx.attr.log_level == "debug":
         fixed_args.append("--debug")

From 0d030bbe7234776746aa64ec39905ff6eb93d52b Mon Sep 17 00:00:00 2001
From: Chris Brown <77508021+peakschris@users.noreply.github.com>
Date: Wed, 19 Nov 2025 12:33:10 -0500
Subject: [PATCH 2/2] windows

---
 jest/private/jest_test.bzl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/jest/private/jest_test.bzl b/jest/private/jest_test.bzl
index b1a858d..9075f6a 100644
--- a/jest/private/jest_test.bzl
+++ b/jest/private/jest_test.bzl
@@ -48,6 +48,11 @@ _attrs = dicts.add(js_binary_lib.attrs, {
     ),
 })
 
+def _quote(ctx, str):
+    # Use double quotes on Windows hosts, single quotes elsewhere
+    quote_char = '"' if ctx.configuration.host_path_separator == ";" else "'"
+    return quote_char + str + quote_char
+
 def _impl(ctx):
     providers = []
     generated_config = ctx.actions.declare_file("%s__jest.config.mjs" % ctx.label.name)
@@ -102,7 +107,7 @@ def _impl(ctx):
         "--config",
         # quote the path since it might have special chars such as parens.
         # quoting ensures that the shell doesn't do any globbing or splitting.
-        '"' + paths.join(unwind_chdir_prefix, generated_config.short_path) + '"',
+        _quote(ctx, paths.join(unwind_chdir_prefix, generated_config.short_path)),
     ])
     if ctx.attr.log_level == "debug":
         fixed_args.append("--debug")