fix: stop relying on window.isElectron

app/assets/javascripts/utils.ts

@@ -74,10 +74,6 @@ export function debounce(this: any, func: any, wait: number, immediate = false)
   };
 };
 
-export function isDesktopApplication() {
-  return (window as any).isElectron;
-}
-
 // https://tc39.github.io/ecma262/#sec-array.prototype.includes
 if (!Array.prototype.includes) {
   // eslint-disable-next-line no-extend-native
@@ -148,3 +144,15 @@ export async function preventRefreshing(
     window.onbeforeunload = onBeforeUnload;
   }
 }
+
+/** Platform-detection functions */
+declare const __WEB__: boolean;
+declare const __DESKTOP__: boolean;
+
+if (!__WEB__ && !__DESKTOP__) {
+  throw Error('Neither __WEB__ nor __DESKTOP__ is true. Check your configuration files.');
+}
+
+export function isDesktopApplication() {
+  return __DESKTOP__;
+}