D3.js Selection Extensions

d3.selection_extensions.coffee

d3.selection::attrs = (attrs) ->
  for key, value of attrs
    @attr(key, value)

  return this

d3.selection::addClass = (name) ->
  @classed(name, true)
  return this

d3.selection::removeClass = (name) ->
  @classed(name, false)
  return this

d3.selection::show = ->
  @node()?.style.display = 'inherit'
  return this

d3.selection::hide = ->
  @node()?.style.display = 'none'
  return this

d3.selection::arrangeFront = ->
  parentNode = @node().parentNode
  parentNode.removeChild(@node())
  parentNode.appendChild(@node())
  return this

d3.selection::arrangeBack = ->
  parentNode = @node().parentNode
  parentNode.removeChild(@node())
  parentNode.insertBefore(@node(), parentNode.firstChild)
  return this

d3.selection::bounds = ->
  @node()?.getBBox()