From b5a8fce13cd01546bb63520992c38811a88680a8 Mon Sep 17 00:00:00 2001
From: Barrett Ruth <br.barrettruth@gmail.com>
Date: Thu, 5 Mar 2026 11:20:25 -0500
Subject: [PATCH] fix(codeforces): set source via JS to handle hidden
 CodeMirror textarea

---
 scrapers/codeforces.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/scrapers/codeforces.py b/scrapers/codeforces.py
index d2c3164..895a511 100644
--- a/scrapers/codeforces.py
+++ b/scrapers/codeforces.py
@@ -379,7 +379,17 @@ def _submit_headless(
                 problem_id.upper(),
             )
             page.select_option('select[name="programTypeId"]', language_id)
-            page.fill('textarea[name="source"]', source_code)
+            page.evaluate(
+                """(code) => {
+                    const cm = document.querySelector('.CodeMirror');
+                    if (cm && cm.CodeMirror) {
+                        cm.CodeMirror.setValue(code);
+                    }
+                    const ta = document.querySelector('textarea[name="source"]');
+                    if (ta) ta.value = code;
+                }""",
+                source_code,
+            )
             page.locator("form.submit-form input.submit").click(no_wait_after=True)
             try:
                 page.wait_for_url(