consolidated patterns

FlexLove.lua

@@ -89,25 +89,16 @@ if ImageDataReader.init then
   ImageDataReader.init(errorHandlerDeps)
 end
 
--- Initialize Units module with Context dependency
+-- Initialize modules with dependencies
-Units.initialize(Context)
+Units.init({ Context = Context, ErrorHandler = ErrorHandler })
-Units.initializeErrorHandler(ErrorHandler)
+Color.init({ ErrorHandler = ErrorHandler })
-
+utils.init({ ErrorHandler = ErrorHandler })
--- Initialize ErrorHandler for Color module
+Animation.init({ ErrorHandler = ErrorHandler, Easing = Easing, Color = Color })
-Color.initializeErrorHandler(ErrorHandler)
+AnimationGroup.init({ ErrorHandler = ErrorHandler })
-
--- Initialize ErrorHandler for utils
-utils.initializeErrorHandler(ErrorHandler)
-
--- Initialize ErrorHandler for Animation module
-Animation.initializeErrorHandler(ErrorHandler)
-
--- Initialize ErrorHandler for AnimationGroup module
-AnimationGroup.initializeErrorHandler(ErrorHandler)
 
 -- Add version and metadata
 flexlove._VERSION = "0.2.3"
-flexlove._DESCRIPTION = "0I Library for LÖVE Framework based on flexbox"
+flexlove._DESCRIPTION = "UI Library for LÖVE Framework based on flexbox"
 flexlove._URL = "https://github.com/mikefreno/FlexLove"
 flexlove._LICENSE = [[
   MIT License

modules/Animation.lua

@@ -1,11 +1,6 @@
---- Easing function type
----@alias EasingFunction fun(t: number): number
-
--- ErrorHandler dependency (injected via initializeErrorHandler)
 local ErrorHandler = nil
-
+local Easing = nil
--- Easing module for easing functions
+local Color = nil
-local Easing = require("modules.Easing")
 ---@class Keyframe
 ---@field at number Normalized time position (0-1)
 ---@field values table Property values at this keyframe
@@ -231,15 +226,21 @@ end
 ---@param ColorModule table Color module reference
 ---@return any interpolated Interpolated Color instance
 local function lerpColor(startColor, finalColor, easedT, ColorModule)
-  if not ColorModule then
+  -- Use provided ColorModule or fall back to module-level Color or static _ColorModule
-    return nil
+  local CM = ColorModule or Color or Animation._ColorModule
+
+  if not CM or not CM.parse or not CM.lerp then
+    if ErrorHandler then
+      ErrorHandler.warn("Animation", "Color module not properly initialized. Cannot interpolate colors.")
+    end
+    return startColor -- Return start color as fallback
   end
 
   -- Parse colors if needed
-  local colorA = ColorModule.parse(startColor)
+  local colorA = CM.parse(startColor)
-  local colorB = ColorModule.parse(finalColor)
+  local colorB = CM.parse(finalColor)
 
-  return ColorModule.lerp(colorA, colorB, easedT)
+  return CM.lerp(colorA, colorB, easedT)
 end
 
 --- Helper function to interpolate table values (padding, margin, cornerRadius)
@@ -252,8 +253,12 @@ local function lerpTable(startTable, finalTable, easedT)
 
   -- Iterate through all keys in both tables
   local keys = {}
-  for k in pairs(startTable) do keys[k] = true end
+  for k in pairs(startTable) do
-  for k in pairs(finalTable) do keys[k] = true end
+    keys[k] = true
+  end
+  for k in pairs(finalTable) do
+    keys[k] = true
+  end
 
   for key in pairs(keys) do
     local startVal = startTable[key]
@@ -305,36 +310,60 @@ function Animation:lerpKeyframes(prevFrame, nextFrame, easedT)
 
   -- Get all unique property keys
   local keys = {}
-  for k in pairs(prevFrame.values) do keys[k] = true end
+  for k in pairs(prevFrame.values) do
-  for k in pairs(nextFrame.values) do keys[k] = true end
+    keys[k] = true
+  end
+  for k in pairs(nextFrame.values) do
+    keys[k] = true
+  end
 
   -- Define properties that should be animated as numbers
   local numericProperties = {
-    "width", "height", "opacity", "x", "y", 
+    "width",
-    "gap", "imageOpacity", "scrollbarWidth",
+    "height",
-    "borderWidth", "fontSize", "lineHeight"
+    "opacity",
+    "x",
+    "y",
+    "gap",
+    "imageOpacity",
+    "scrollbarWidth",
+    "borderWidth",
+    "fontSize",
+    "lineHeight",
   }
 
   -- Define properties that should be animated as Colors
   local colorProperties = {
-    "backgroundColor", "borderColor", "textColor",
+    "backgroundColor",
-    "scrollbarColor", "scrollbarBackgroundColor", "imageTint"
+    "borderColor",
+    "textColor",
+    "scrollbarColor",
+    "scrollbarBackgroundColor",
+    "imageTint",
   }
 
   -- Define properties that should be animated as tables
   local tableProperties = {
-    "padding", "margin", "cornerRadius"
+    "padding",
+    "margin",
+    "cornerRadius",
   }
 
   -- Create lookup sets for faster property type checking
   local numericSet = {}
-  for _, prop in ipairs(numericProperties) do numericSet[prop] = true end
+  for _, prop in ipairs(numericProperties) do
+    numericSet[prop] = true
+  end
 
   local colorSet = {}
-  for _, prop in ipairs(colorProperties) do colorSet[prop] = true end
+  for _, prop in ipairs(colorProperties) do
+    colorSet[prop] = true
+  end
 
   local tableSet = {}
-  for _, prop in ipairs(tableProperties) do tableSet[prop] = true end
+  for _, prop in ipairs(tableProperties) do
+    tableSet[prop] = true
+  end
 
   -- Interpolate each property
   for key in pairs(keys) do
@@ -343,9 +372,9 @@ function Animation:lerpKeyframes(prevFrame, nextFrame, easedT)
 
     if numericSet[key] and type(startVal) == "number" and type(finalVal) == "number" then
       result[key] = lerpNumber(startVal, finalVal, easedT)
-    elseif colorSet[key] and self._Color then
+    elseif colorSet[key] and (self._Color or Animation._ColorModule) then
       if startVal ~= nil and finalVal ~= nil then
-        result[key] = lerpColor(startVal, finalVal, easedT, self._Color)
+        result[key] = lerpColor(startVal, finalVal, easedT, self._Color or Animation._ColorModule)
       end
     elseif tableSet[key] and type(startVal) == "table" and type(finalVal) == "table" then
       result[key] = lerpTable(startVal, finalVal, easedT)
@@ -375,7 +404,7 @@ function Animation:interpolate()
   local t = math.min(self.elapsed / self.duration, 1)
 
   -- Handle keyframe animations
-  if self.keyframes and #self.keyframes >= 2 then
+  if self.keyframes and type(self.keyframes) == "table" and #self.keyframes >= 2 then
     local prevFrame, nextFrame = self:findKeyframes(t)
 
     if prevFrame and nextFrame then
@@ -433,20 +462,34 @@ function Animation:interpolate()
 
   -- Define properties that should be animated as numbers
   local numericProperties = {
-    "width", "height", "opacity", "x", "y", 
+    "width",
-    "gap", "imageOpacity", "scrollbarWidth",
+    "height",
-    "borderWidth", "fontSize", "lineHeight"
+    "opacity",
+    "x",
+    "y",
+    "gap",
+    "imageOpacity",
+    "scrollbarWidth",
+    "borderWidth",
+    "fontSize",
+    "lineHeight",
   }
 
   -- Define properties that should be animated as Colors
   local colorProperties = {
-    "backgroundColor", "borderColor", "textColor",
+    "backgroundColor",
-    "scrollbarColor", "scrollbarBackgroundColor", "imageTint"
+    "borderColor",
+    "textColor",
+    "scrollbarColor",
+    "scrollbarBackgroundColor",
+    "imageTint",
   }
 
   -- Define properties that should be animated as tables
   local tableProperties = {
-    "padding", "margin", "cornerRadius"
+    "padding",
+    "margin",
+    "cornerRadius",
   }
 
   -- Interpolate numeric properties
@@ -460,13 +503,14 @@ function Animation:interpolate()
   end
 
   -- Interpolate color properties (if Color module is available)
-  if self._Color then
+  local ColorModule = self._Color or Animation._ColorModule
+  if ColorModule then
     for _, prop in ipairs(colorProperties) do
       local startVal = self.start[prop]
       local finalVal = self.final[prop]
 
       if startVal ~= nil and finalVal ~= nil then
-        result[prop] = lerpColor(startVal, finalVal, easedT, self._Color)
+        result[prop] = lerpColor(startVal, finalVal, easedT, ColorModule)
       end
     end
   end
@@ -778,7 +822,7 @@ function Animation.keyframes(props)
     ErrorHandler.warn("Animation", "Keyframe animation requires at least 2 keyframes. Using empty animation.")
     props.keyframes = {
       { at = 0, values = {} },
-      {at = 1, values = {}}
+      { at = 1, values = {} },
     }
   end
 
@@ -790,7 +834,9 @@ function Animation.keyframes(props)
     end
   end
 
-  table.sort(sortedKeyframes, function(a, b) return a.at < b.at end)
+  table.sort(sortedKeyframes, function(a, b)
+    return a.at < b.at
+  end)
 
   -- Ensure keyframes start at 0 and end at 1
   if #sortedKeyframes > 0 then
@@ -815,13 +861,22 @@ function Animation.keyframes(props)
   })
 end
 
---- Initialize ErrorHandler dependency
+--- Initialize dependencies
----@param errorHandler table The ErrorHandler module
+---@param deps table Dependencies: { ErrorHandler = ErrorHandler, Easing = Easing, Color = Color? }
-local function initializeErrorHandler(errorHandler)
+function Animation.init(deps)
-  ErrorHandler = errorHandler
+  if type(deps) == "table" then
+    ErrorHandler = deps.ErrorHandler
+    Easing = deps.Easing
+    if deps.Color then
+      Color = deps.Color
+      Animation._ColorModule = deps.Color
+    end
+  end
 end
 
--- Export ErrorHandler initializer
+-- Static method for Color module injection (for per-instance Color override)
-Animation.initializeErrorHandler = initializeErrorHandler
+function Animation.setColorModule(ColorModule)
+  Animation._ColorModule = ColorModule
+end
 
 return Animation

modules/AnimationGroup.lua

@@ -327,13 +327,12 @@ function AnimationGroup:apply(element)
   element.animationGroup = self
 end
 
---- Initialize ErrorHandler dependency
+--- Initialize dependencies
----@param errorHandler table The ErrorHandler module
+---@param deps table Dependencies: { ErrorHandler = ErrorHandler }
-local function initializeErrorHandler(errorHandler)
+function AnimationGroup.init(deps)
-  ErrorHandler = errorHandler
+  if type(deps) == "table" then
+    ErrorHandler = deps.ErrorHandler
+  end
 end
 
--- Export ErrorHandler initializer
-AnimationGroup.initializeErrorHandler = initializeErrorHandler
-
 return AnimationGroup

modules/Color.lua

@@ -1,11 +1,5 @@
 local ErrorHandler = nil
 
---- Initialize ErrorHandler dependency
----@param errorHandler table The ErrorHandler module
-local function initializeErrorHandler(errorHandler)
-  ErrorHandler = errorHandler
-end
-
 --- Standardized error message formatter (fallback for when ErrorHandler not available)
 ---@param module string -- Module name (e.g., "Color", "Theme", "Units")
 ---@param message string
@@ -461,7 +455,12 @@ function Color.lerp(colorA, colorB, t)
   return Color.new(r, g, b, a)
 end
 
--- Export ErrorHandler initializer
+--- Initialize dependencies
-Color.initializeErrorHandler = initializeErrorHandler
+---@param deps table Dependencies: { ErrorHandler = ErrorHandler }
+function Color.init(deps)
+  if type(deps) == "table" then
+    ErrorHandler = deps.ErrorHandler
+  end
+end
 
 return Color

modules/Units.lua

@@ -5,14 +5,17 @@ local ErrorHandler = nil
 
 --- Initialize Units module with Context dependency
 ---@param context table The Context module
-function Units.initialize(context)
+--- Initialize dependencies
-  Context = context
+---@param deps table Dependencies: { Context = Context?, ErrorHandler = ErrorHandler? }
+function Units.init(deps)
+  if type(deps) == "table" then
+    if deps.Context then
+      Context = deps.Context
+    end
+    if deps.ErrorHandler then
+      ErrorHandler = deps.ErrorHandler
+    end
   end
-
---- Initialize ErrorHandler dependency
----@param errorHandler table The ErrorHandler module
-function Units.initializeErrorHandler(errorHandler)
-  ErrorHandler = errorHandler
 end
 
 ---@param value string|number

modules/utils.lua

@@ -300,10 +300,12 @@ end
 -- Validation utilities
 local ErrorHandler = nil
 
---- Initialize ErrorHandler dependency for validation utilities
+--- Initialize dependencies
----@param errorHandler table The ErrorHandler module
+---@param deps table Dependencies: { ErrorHandler = ErrorHandler }
-local function initializeErrorHandler(errorHandler)
+local function init(deps)
-  ErrorHandler = errorHandler
+  if type(deps) == "table" then
+    ErrorHandler = deps.ErrorHandler
+  end
 end
 
 --- Validate that a value is in an enum table
@@ -1104,7 +1106,7 @@ return {
   resolveTextSizePreset = resolveTextSizePreset,
   getModifiers = getModifiers,
   TEXT_SIZE_PRESETS = TEXT_SIZE_PRESETS,
-  initializeErrorHandler = initializeErrorHandler,
+  init = init,
   validateEnum = validateEnum,
   validateRange = validateRange,
   validateType = validateType,

testing/__tests__/animation_properties_test.lua

@@ -2,18 +2,16 @@ local luaunit = require("testing.luaunit")
 require("testing.loveStub")
 
 local Animation = require("modules.Animation")
+local Easing = require("modules.Easing")
 local Color = require("modules.Color")
 local Transform = require("modules.Transform")
 local ErrorHandler = require("modules.ErrorHandler")
 local ErrorCodes = require("modules.ErrorCodes")
 
--- Initialize ErrorHandler
+-- Initialize modules
 ErrorHandler.init({ ErrorCodes = ErrorCodes })
-Animation.initializeErrorHandler(ErrorHandler)
+Color.init({ ErrorHandler = ErrorHandler })
-Color.initializeErrorHandler(ErrorHandler)
+Animation.init({ ErrorHandler = ErrorHandler, Easing = Easing, Color = Color })
-
--- Make Color module available to Animation
-Animation.setColorModule(Color)
 
 TestAnimationProperties = {}
 

testing/__tests__/animation_test.lua

@@ -2,12 +2,13 @@ local luaunit = require("testing.luaunit")
 require("testing.loveStub")
 
 local Animation = require("modules.Animation")
+local Easing = require("modules.Easing")
 local ErrorHandler = require("modules.ErrorHandler")
 local ErrorCodes = require("modules.ErrorCodes")
 
--- Initialize ErrorHandler for Animation module
+-- Initialize modules
 ErrorHandler.init({ ErrorCodes = ErrorCodes })
-Animation.initializeErrorHandler(ErrorHandler)
+Animation.init({ ErrorHandler = ErrorHandler, Easing = Easing })
 
 TestAnimation = {}
 

testing/__tests__/keyframe_animation_test.lua

@@ -2,12 +2,13 @@ local luaunit = require("testing.luaunit")
 require("testing.loveStub")
 
 local Animation = require("modules.Animation")
+local Easing = require("modules.Easing")
 local ErrorHandler = require("modules.ErrorHandler")
 local ErrorCodes = require("modules.ErrorCodes")
 
--- Initialize ErrorHandler for Animation module
+-- Initialize modules
 ErrorHandler.init({ ErrorCodes = ErrorCodes })
-Animation.initializeErrorHandler(ErrorHandler)
+Animation.init({ ErrorHandler = ErrorHandler, Easing = Easing })
 
 TestKeyframeAnimation = {}