From 51a9b75141757712a7cfb9917b9f66867793617a Mon Sep 17 00:00:00 2001
From: Nikhil Rao <nikhil@reflex.dev>
Date: Wed, 7 Feb 2024 05:27:44 +0700
Subject: [PATCH] Don't purge web dir if flag is set (#2529)

---
 reflex/compiler/compiler.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/reflex/compiler/compiler.py b/reflex/compiler/compiler.py
index 052936f7f..9f4b7cbe5 100644
--- a/reflex/compiler/compiler.py
+++ b/reflex/compiler/compiler.py
@@ -460,7 +460,12 @@ def remove_tailwind_from_postcss() -> tuple[str, str]:
 
 
 def purge_web_pages_dir():
-    """Empty out .web directory."""
+    """Empty out .web/pages directory."""
+    if _is_dev_mode() and os.environ.get("REFLEX_PERSIST_WEB_DIR"):
+        # Skip purging the web directory in dev mode if REFLEX_PERSIST_WEB_DIR is set.
+        return
+
+    # Empty out the web pages directory.
     utils.empty_dir(constants.Dirs.WEB_PAGES, keep_files=["_app.js"])