feat(client/radial): radial menu history and radial id getter

Store an array containing the history of opened menus, and restore
the previous menu when closing out of nested menus.
Added lib.getCurrentRadialId and improved types.

resource/interface/client/radial.lua

@@ -1,8 +1,3 @@
-local isOpen = false
-local menus = {}
-local menuItems = {}
-local currentRadial = nil
-
 ---@class RadialMenuItem
 ---@field id string
 ---@field icon string
@@ -14,12 +9,30 @@ local currentRadial = nil
 ---@field id string
 ---@field items RadialMenuItem[]
 
+local isOpen = false
+
+---@type table<string, RadialMenuProps>
+local menus = {}
+
+---@type RadialMenuItem[]
+local menuItems = {}
+
+---@type string[]
+local menuHistory = {}
+
+---@type RadialMenuProps?
+local currentRadial = nil
+
 ---Registers a radial sub menu with predefined options.
 ---@param radial RadialMenuProps
 function lib.registerRadial(radial)
     menus[radial.id] = radial
 end
 
+function lib.getCurrentRadialId()
+    return currentRadial and currentRadial.id
+end
+
 ---Open a registered radial submenu with the given id.
 ---@param id string
 local function showRadial(id)
@@ -58,6 +71,7 @@ function lib.hideRadial()
     })
 
     SetNuiFocus(false, false)
+    table.wipe(menuHistory)
 
     isOpen = false
     currentRadial = nil
@@ -110,9 +124,13 @@ end
 RegisterNUICallback('radialClick', function(index, cb)
     cb(1)
 
-    local item = not currentRadial and menuItems[index + 1] or currentRadial.items[index + 1]
+    local item = (currentRadial and currentRadial.items or menuItems)[index + 1]
 
     if item.menu then
+        if currentRadial then
+            menuHistory[#menuHistory + 1] = currentRadial.id
+        end
+
         showRadial(item.menu)
     else
         lib.hideRadial()
@@ -123,8 +141,13 @@ end)
 
 RegisterNUICallback('radialBack', function(_, cb)
     cb(1)
-    if currentRadial.menu then
-        return showRadial(currentRadial.menu)
+
+    local numHistory = #menuHistory
+    local lastMenu = numHistory > 0 and menuHistory[numHistory]
+
+    if lastMenu then
+        menuHistory[numHistory] = nil
+        return showRadial(lastMenu)
     end
 
     currentRadial = nil