Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

apps/desktop/src/app/hooks/use-on-profile-switch.ts

@@ -0,0 +1,25 @@
+import { useStore } from '@nanostores/react'
+import { useEffect, useRef } from 'react'
+
+import { $activeGatewayProfile } from '@/store/profile'
+
+/** Run `onSwitch` when the active gateway profile changes — never on first
+ *  mount. For dropping per-profile view state (probes, cached usage, drafts)
+ *  when the backend the app talks to swaps underneath a still-mounted view. */
+export function useOnProfileSwitch(onSwitch: () => void): void {
+  const profile = useStore($activeGatewayProfile)
+  const first = useRef(true)
+
+  // eslint-disable-next-line no-restricted-syntax -- legitimate non-atom ref write (see eslint rule comment)
+  useEffect(() => {
+    if (first.current) {
+      first.current = false
+
+      return
+    }
+
+    onSwitch()
+    // Fire on profile change only; onSwitch identity is intentionally ignored.
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [profile])
+}