Merge pull request #24 from DiamondLightSource/prevent_rerender_on_page_not_in_map

Prevent re-render on screen not in JsonMap

Author: GregJHarris

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "daedalus",
   "private": true,
-  "version": "0.0.4",
+  "version": "0.0.5",
   "type": "module",
   "scripts": {
     "dev": "vite",

package.json

@@ -70,8 +70,9 @@ export default function ScreenDisplay() {
       const currentFile = Object.values(allFiles).find(
         values => values.file === displayedPath
       );
-      if (currentFile?.urlId !== pathname) {
-        // URL and state are out of sync with file displayed, update accordingly
+
+      if (currentFile?.urlId && currentFile.urlId !== pathname) {
+        // URL and state are out of sync with file displayed, update accordingly, if currentFile is null this file is not in the JsonMap
         navigate(`/synoptic/${state.currentBeamline}/${currentFile?.urlId}`, {
           state: location.state,
           replace: true