GH-797 Fix accessing missing value

There was an JS error when we tried to access the `contextid` data value of a HTML button, if that button was not defined. Fixed now by checking if the model button exists.
Wunderbyte-GmbH · Jan 24, 2025 · c199f55 · c199f55
1 parent 2778585
commit c199f55
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diff --git a/amd/build/calculatescales.min.js b/amd/build/calculatescales.min.js
diff --git a/amd/build/calculatescales.min.js.map b/amd/build/calculatescales.min.js.map
diff --git a/amd/src/calculatescales.js b/amd/src/calculatescales.js
@@ -33,6 +33,9 @@ const SELECTORS = {
 export const init = () => {
 
     const calculateButton = document.querySelector(SELECTORS.CALCULATEBUTTON);
+    if (!calculateButton) {
+        return;
+    }
     const contextId = parseInt(calculateButton.dataset.contextid);
     calculateButton.onclick = () => {
         updateParameters(contextId);
@@ -88,4 +91,4 @@ export const init = () => {
     const disableButton = () => {
         document.querySelector(SELECTORS.CALCULATEBUTTON).setAttribute('disabled', true);
     };
-};
+};