feat(infobox): custom infobox league for deadlock (#4873)

components/infobox/wikis/deadlock/infobox_league_custom.lua

@@ -0,0 +1,46 @@
+---
+-- @Liquipedia
+-- wiki=deadlock
+-- page=Module:Infobox/League/Custom
+--
+-- Please see https://github.com/Liquipedia/Lua-Modules to contribute
+--
+
+local Class = require('Module:Class')
+local Lua = require('Module:Lua')
+
+local Injector = Lua.import('Module:Widget/Injector')
+local League = Lua.import('Module:Infobox/League')
+
+local Widgets = require('Module:Widget/All')
+local Cell = Widgets.Cell
+
+---@class DeadlockLeagueInfobox: InfoboxLeague
+local CustomLeague = Class.new(League)
+local CustomInjector = Class.new(Injector)
+
+---@param frame Frame
+---@return Html
+function CustomLeague.run(frame)
+	local league = CustomLeague(frame)
+	league:setWidgetInjector(CustomInjector(league))
+
+	return league:createInfobox()
+end
+
+---@param id string
+---@param widgets Widget[]
+---@return Widget[]
+function CustomInjector:parse(id, widgets)
+	local args = self.caller.args
+
+	if id == 'custom' then
+		return {
+			Cell{name = 'Number of teams', content = {args.team_number}},
+			Cell{name = 'Number of players', content = {args.player_number}},
+		}
+	end
+	return widgets
+end
+
+return CustomLeague