From a6de8d172eb4ffed1da730f2a03ed16c86634793 Mon Sep 17 00:00:00 2001
From: Martijn van de Rijdt <martijn@enketo.org>
Date: Mon, 29 Jan 2024 14:44:20 -0500
Subject: [PATCH] fixed: temporary workaround for calculations not updating
 when they are non-relevant upon load, #730

---
 public/js/src/module/calculate.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/public/js/src/module/calculate.js b/public/js/src/module/calculate.js
index 2b8de62b5..6c918a792 100644
--- a/public/js/src/module/calculate.js
+++ b/public/js/src/module/calculate.js
@@ -14,6 +14,15 @@ calculationModule._updateCalc = function (control, props, emptyNonRelevant) {
         !control.matches('[readonly]')
     );
 
+    if (emptyNonRelevant) {
+        // We're temporarily disabling this cache because it is causing this bug
+        // https://github.com/OpenClinica/enketo-express-oc/issues/730
+        // which we don't quite understand yet, but need to fix urgently.
+        // A proper fix would have to be created in enketo/enketo after which we should remove this clause
+        // (and improve performance).
+        this.preInitRelevance = new WeakMap();
+    }
+
     return this._originalUpdateCalc(control, props, emptyNonRelevant);
 };