correction nav

site/snippets/nav.php

@@ -6,9 +6,11 @@ de la vérité et de la justice.</p>
     <span class="icon"><?= svg('assets/icons/search.svg') ?></span>
     <input type="text" id="search" class="input" placeholder="Rechercher" list="keywords-list">
     <datalist id="keywords-list">
-        <?php foreach (page('database')->keywords()->split() as $keyword): ?>
-            <option value="<?= esc($keyword) ?>">
-        <?php endforeach ?>
+        <?php if ($db = page('database')): ?>
+            <?php foreach ($db->keywords()->split() as $keyword): ?>
+                <option value="<?= esc($keyword) ?>">
+            <?php endforeach ?>
+        <?php endif ?>
     </datalist>
 </form>