[positioner] handleIconState in JS (#1822)

* [positioner] handleIconState in JS

* update readme

* fix change file version

* fixes

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

plugins/positioner/guest-js/index.ts

@@ -4,6 +4,7 @@
 // SPDX-License-Identifier: MIT
 
 import { invoke } from '@tauri-apps/api/core'
+import type { TrayIconEvent } from '@tauri-apps/api/tray'
 
 /**
  * Well known window positions.
@@ -37,3 +38,14 @@ export async function moveWindow(to: Position): Promise<void> {
     position: to
   })
 }
+
+export async function handleIconState(event: TrayIconEvent): Promise<void> {
+  await invokeSetTrayIconState(event.rect)
+}
+
+async function invokeSetTrayIconState(rect: TrayIconEvent['rect']) {
+  await invoke('plugin:positioner|set_tray_icon_state', {
+    position: rect.position,
+    size: rect.size
+  })
+}