From 4c99d2e01504eb1f054bf50dcf33e716814a07a4 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Fri, 25 Feb 2022 08:42:26 +0100
Subject: checker: make puzzles linkable

---
 check_checkers.py | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/check_checkers.py b/check_checkers.py
index f6d2a9b..fd4472e 100755
--- a/check_checkers.py
+++ b/check_checkers.py
@@ -191,7 +191,14 @@ def run(
     .unexpected {background: #ffd2d0}
     th {position: sticky; top: 0; background: #e8e8e8;}
     table {border-spacing: 0;}
-    </style>'''
+    td:target {background: #ffffc3;}
+
+    html {
+        /* prevent sticky table header from overlapping table cell targeted via #anchor */
+        scroll-padding-top: 60px;
+    }
+    </style>
+    '''
     )
 
     out.write('<table border=1>')
@@ -228,8 +235,8 @@ def run(
                 'checker_results': checker_results,
             }
 
-        out.write('<tr>')
-        out.write('<td>')
+        anchor = html.escape(puzzle.rsplit('/', maxsplit=1)[1]).replace('.py', '').replace('_', '-')
+        out.write('<tr><td id="{0}"><a href="#{0}">{0}</a>'.format(anchor))
         with open(puzzle) as f:
             code = f.read()
         out.write(highlight(code, python_lexer, html_formatter))
-- 
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