Repo Interface für tests

web/js/core/app-page-config.js

@@ -0,0 +1,37 @@
+import { warnOnce } from './app-dom.js';
+
+export function readPageConfig(configId, root = document) {
+  const id = `page-config-${String(configId || '').trim()}`;
+  if (!id || id === 'page-config-') {
+    warnOnce('UI_CONFIG_INVALID', 'Invalid page config id', { module: 'page-config', configId });
+    return null;
+  }
+
+  const node = root.getElementById(id);
+  if (!node) {
+    warnOnce('UI_CONFIG_MISSING', `Missing page config element: #${id}`, { module: 'page-config', configId });
+    return null;
+  }
+
+  const raw = String(node.textContent || '').trim();
+  if (raw === '') {
+    warnOnce('UI_CONFIG_EMPTY', `Empty page config payload: #${id}`, { module: 'page-config', configId });
+    return null;
+  }
+
+  try {
+    const parsed = JSON.parse(raw);
+    if (!parsed || typeof parsed !== 'object') {
+      warnOnce('UI_CONFIG_INVALID', `Page config is not an object: #${id}`, { module: 'page-config', configId });
+      return null;
+    }
+    return parsed;
+  } catch (error) {
+    warnOnce('UI_CONFIG_PARSE_FAIL', `Failed to parse page config: #${id}`, {
+      module: 'page-config',
+      configId,
+      error,
+    });
+    return null;
+  }
+}