showing quesiton-keys instead of ids

website/js/test-data.js

@@ -16,7 +16,9 @@ export function testDataRowClassForUser(username) {
     return isDevTestUsername(username) ? ' row-test-data' : '';
 }
 
-/** Local question key from full questionID (hash__q5 → q5). */
+const STABLE_KEY_RE = /^[a-zA-Z][a-zA-Z0-9_]*$/;
+
+/** Local question id from full questionID (hash__q5 → q5). */
 export function questionLocalKey(questionID, fallback = '') {
     const id = String(questionID ?? '');
     const sep = id.lastIndexOf('__');
@@ -24,6 +26,39 @@ export function questionLocalKey(questionID, fallback = '') {
     return fallback || id;
 }
 
+function parseQuestionConfig(q) {
+    if (!q || typeof q !== 'object') return {};
+    let cfg = q.configJson;
+    if (typeof cfg === 'string') {
+        try {
+            cfg = JSON.parse(cfg);
+        } catch {
+            cfg = {};
+        }
+    }
+    return cfg && typeof cfg === 'object' ? cfg : {};
+}
+
+/** Stable question key for table headers / CSV (matches server qdb_question_column_label). */
+export function questionDisplayKey(q) {
+    if (!q) return '';
+    if (q.questionKey) return String(q.questionKey);
+    const cfg = parseQuestionConfig(q);
+    const fromCfg = String(cfg.questionKey || '').trim();
+    if (fromCfg && STABLE_KEY_RE.test(fromCfg)) return fromCfg;
+    const dt = String(q.defaultText || '').trim();
+    if (dt && STABLE_KEY_RE.test(dt)) return dt;
+    return questionLocalKey(q.questionID, dt);
+}
+
+/** German question text for header tooltips. */
+export function questionGermanLabel(q) {
+    const dt = String(q?.defaultText || '').trim();
+    const key = questionDisplayKey(q);
+    if (dt && dt !== key) return dt;
+    return '';
+}
+
 /** header_order.json column id → question key (questionnaire_x-y → y). */
 export function headerColumnQuestionKey(headerId) {
     const id = String(headerId ?? '');