Return callbacks with 'ok' instead of an empty object

cl_plate_reader.lua

@@ -177,14 +177,14 @@ end )
 RegisterNUICallback( "togglePlateReaderDisplay", function( data, cb )
 	-- Toggle the display state 
 	READER:ToggleDisplayState()
-	cb({})
+	cb('ok')
 end )
 
 -- Runs when the "Set BOLO Plate" button is pressed on the plate reader box
 RegisterNUICallback( "setBoloPlate", function( plate, cb )
 	-- Set the BOLO plate 
 	READER:SetBoloPlate( plate )
-	cb({})
+	cb('ok')
 end )
 
 -- This is the main function that runs and scans all vehicles in front and behind the patrol vehicle

cl_radar.lua

@@ -1422,21 +1422,21 @@ end
 RegisterNUICallback( "toggleRadarDisplay", function( data, cb )
 	-- Toggle the display state 
 	RADAR:ToggleDisplayState()
-	cb({})
+	cb('ok')
 end )
 
 -- Runs when the user presses the power button on the radar ui 
 RegisterNUICallback( "togglePower", function( data, cb )
 	-- Toggle the radar's power 
 	RADAR:TogglePower()
-	cb({})
+	cb('ok')
 end )
 
 -- Runs when the user presses the ESC or RMB when the remote is open 
 RegisterNUICallback( "closeRemote", function( data, cb )
 	-- Remove focus to the NUI side 
 	SetNuiFocus( false, false )
-	cb({})
+	cb('ok')
 end )
 
 -- Runs when the user presses any of the antenna mode buttons on the remote
@@ -1468,7 +1468,7 @@ RegisterNUICallback( "setAntennaMode", function( data, cb )
 			end )
 		end 
 	end
-	cb({}) 
+	cb('ok') 
 end )
 
 -- Runs when the user presses either of the XMIT/HOLD buttons on the remote 
@@ -1493,7 +1493,7 @@ RegisterNUICallback( "toggleAntenna", function( data, cb )
 			end )
 		end 
 	end
-	cb({}) 
+	cb('ok') 
 end )
 
 -- Runs when the user presses the menu button on the remote control
@@ -1515,20 +1515,20 @@ RegisterNUICallback( "menu", function( data, cb )
 		-- Play the standard audio beep
 		SendNUIMessage( { _type = "audio", name = "beep", vol = RADAR:GetSettingValue( "beep" ) } )
 	end
-	cb({}) 
+	cb('ok') 
 end )
 
 -- Runs when the JavaScript side sends the UI data for saving 
 RegisterNUICallback( "saveUiData", function( data, cb )
 	UTIL:Log( "Saving updated UI settings data." )
 	SetResourceKvp( "wk_wars2x_ui_data", json.encode( data ) )
-	cb({})
+	cb('ok')
 end )
 
 -- Runs when the JavaScript side sends the quick start video has been watched
 RegisterNUICallback( "qsvWatched", function( data, cb )
 	SetResourceKvpInt( "wk_wars2x_new_user", 1 )
-	cb({})
+	cb('ok')
 end )