Change children to a function for consistency

examples/parse.js

@@ -8,4 +8,4 @@ console.log(psd.header.export());
 //   console.log("Finished!");
 // });
 
-console.log(psd.tree().children[0].children[0].nextSibling().export());
\ No newline at end of file
+console.log(psd.tree().children()[0].children()[0].nextSibling().export());
\ No newline at end of file

lib/psd/node.coffee

@@ -10,7 +10,7 @@ module.exports = class Node extends Module
 
   constructor: (@layer, @parent = null) ->
     @layer.node = @
-    @children = []
+    @_children = []
 
     @name = @layer.name
 
@@ -82,11 +82,11 @@ module.exports = class Node extends Module
   updateDimensions: ->
     return if @isLayer()
 
-    child.updateDimensions() for child in @children
+    child.updateDimensions() for child in @_children
 
     return if @isRoot()
 
-    nonEmptyChildren = @children.filter((c) -> not c.isEmpty())
+    nonEmptyChildren = @_children.filter((c) -> not c.isEmpty())
     @left = _.min(nonEmptyChildren.map((c) -> c.left)) or 0
     @top = _.min(nonEmptyChildren.map((c) -> c.top)) or 0
     @bottom = _.max(nonEmptyChildren.map((c) -> c.bottom)) or 0

lib/psd/nodes/ancestry.coffee

@@ -7,16 +7,18 @@ module.exports =
 
   isRoot: -> @depth() is 0
 
+  children: -> @_children
+
   ancestors: ->
     return [] if not @parent? or @parent.isRoot()
     return @parent.ancestors().concat [@parent]
 
-  hasChildren: -> @children.length > 0
+  hasChildren: -> @_children.length > 0
   childless: -> not @hasChildren()
 
   siblings: ->
     return [] unless @parent?
-    @parent.children
+    @parent.children()
 
   nextSibling: ->
     return null unless @parent?
@@ -31,7 +33,7 @@ module.exports =
   hasSiblings: -> @siblings().length > 1
   onlyChild: -> not @hasSiblings()
 
-  descendants: -> _.flatten @children.map((n) -> n.subtree())
+  descendants: -> _.flatten @_children.map((n) -> n.subtree())
 
   subtree: -> [@].concat @descendants()
 

lib/psd/nodes/group.coffee

@@ -8,9 +8,9 @@ module.exports = class Group extends Node
     @get('blendingMode') is 'passthru'
 
   isEmpty: ->
-    return false unless child.isEmpty() for child in @children
+    return false unless child.isEmpty() for child in @_children
 
   export: ->
     _.merge super(),
       type: 'group'
-      children: @children.map((c) -> c.export())
\ No newline at end of file
+      children: @_children.map((c) -> c.export())
\ No newline at end of file

lib/psd/nodes/root.coffee

@@ -30,7 +30,7 @@ module.exports = class Root extends Node
   fillOpacity: -> 255
 
   export: ->
-    children: @children.map((c) -> c.export())
+    children: @_children.map((c) -> c.export())
     document:
       width: @width
       height: @height
@@ -50,9 +50,9 @@ module.exports = class Root extends Node
         currentGroup = new Group(layer, _.last(parseStack))
       else if layer.isFolderEnd()
         parent = parseStack.pop()
-        parent.children.push currentGroup
+        parent.children().push currentGroup
         currentGroup = parent
       else
-        currentGroup.children.push new Layer(layer, currentGroup)
+        currentGroup.children().push new Layer(layer, currentGroup)
 
     @updateDimensions()
\ No newline at end of file