fixed: loading to the wrong page if the first page contains no dn wid…

public/js/src/module/page.js

@@ -6,6 +6,31 @@ import reasons from './reasons';
 import settings from './settings';
 import gui from './gui';
 
+// Contains fix for https://github.com/OpenClinica/enketo-express-oc/issues/720
+// This function should be removed once PR https://github.com/enketo/enketo/pull/1286 is merged
+// and published
+pageModule.flipToPageContaining = function ($e) {
+    const e = $e[0];
+    const closestPage = e.closest('[role="page"]');
+
+    if (closestPage) {
+        this._flipTo(closestPage);
+    } else if (e.closest('.question')) {
+        // If $e is a comment question, and it is not inside a group, there will be no closestPage.
+        const referer = e.querySelector('[data-for]');
+        const ancestor = e.closest('.or-repeat, form.or');
+        if (referer && ancestor) {
+            const linkedQuestion = ancestor.querySelector(
+                `[name="${referer.dataset.for}"]`
+            );
+            if (linkedQuestion) {
+                this._flipTo(linkedQuestion.closest('[role="page"]'));
+            }
+        }
+    }
+    this.$toc.parent().find('.pages-toc__overlay').click();
+};
+
 /*
  * The only thing we want to change in this function for OC,
  * is to NOT flip to the next page when a repeat is the same as a page and