Add Trigger.CreateFromConfig function to help initialize new triggers

src/types/triggers/auratrigger.lua

@@ -27,6 +27,23 @@ local Trigger = types.Trigger
 local AuraTrigger = types.CreateClass("AuraTrigger", Trigger)
 types.AuraTrigger = AuraTrigger
 
+
+---Creates a new AuraTrigger from a config description and attaches it to the
+---correct data source
+---@param unit UnitFrame
+---@param config table
+---@return AuraTrigger
+function AuraTrigger.CreateFromConfig(unit, config)
+    local trigger = AuraTrigger:new(
+        config.spellId,
+        config.own,
+        config.requiredCount,
+        config.invert
+    )
+    unit.auras:AddTrigger(trigger)
+    return trigger
+end
+
 ---@return AuraTrigger
 function AuraTrigger.new(cls, ...)
     --- I really dislike duplicating this everywhere but it makes

src/types/triggers/multitrigger.lua

@@ -30,6 +30,20 @@ local Trigger = types.Trigger
 local MultiTrigger = types.CreateClass("MultiTrigger", Trigger)
 types.MultiTrigger = MultiTrigger
 
+---Creates a new MultiTrigger from a config description
+---@param unit UnitFrame
+---@param config table
+---@return MultiTrigger
+function MultiTrigger.CreateFromConfig(unit, config)
+    local trigger = MultiTrigger:new(config.invert)
+    for _, childConfig in ipairs(config.children) do
+        local childType = types[childConfig.kind]
+        local child = childType.CreateFromConfig(unit, childConfig)
+        trigger:AddTrigger(child)
+    end
+    return trigger
+end
+
 --- Initialize a new Trigger object
 ---@param invert boolean|nil
 function MultiTrigger:Init(invert)

src/types/triggers/statustrigger.lua

@@ -25,6 +25,16 @@ local Trigger = types.Trigger
 local StatusTrigger = types.CreateClass("StatusTrigger", Trigger)
 types.StatusTrigger = StatusTrigger
 
+---Creates a new StatusTrigger from a config description
+---@param unit UnitFrame
+---@param config table
+function StatusTrigger.CreateFromConfig(unit, config)
+    local trigger = StatusTrigger:new(config.status, config.requiredCount,
+        config.invert)
+    unit.auras:AddTrigger(trigger)
+    return trigger
+end
+
 ---@return StatusTrigger
 function StatusTrigger.new(cls, ...)
     --- I really dislike duplicating this everywhere but it makes

src/types/triggers/trigger.lua

@@ -26,6 +26,14 @@ local types = omi.GetModule("types")
 local Trigger = types.CreateClass("Trigger")
 types.Trigger = Trigger
 
+
+---@param unit UnitFrame
+---@param config table
+---@return Trigger
+function Trigger.CreateFromConfig(unit, config)
+    error("Must override")
+end
+
 --- Initialize a new Trigger object
 ---@param invert boolean|nil
 function Trigger:Init(invert)