Class: ComponentFiles

Inherits:
Object show all
Defined in:
lib/volt/server/rack/component_files.rb

Overview

Takes in the path to a component and gets all other components required from this one

Instance Method Summary collapse

Constructor Details

#initialize(component_name, component_paths, main_component = false) ⇒ ComponentFiles

Returns a new instance of ComponentFiles.



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# File 'lib/volt/server/rack/component_files.rb', line 7

def initialize(component_name, component_paths, main_component=false)
  @component_name = component_name
  @component_paths = component_paths
  @asset_folders = []
  @components = [component_name]
  @main_component = main_component
  
  if @main_component
    # Add in volt's JS files first
    component('volt')
  end
  
  load_child_components
  add_asset_folder(component_name)
end

Instance Method Details

#add_asset_folder(component_name) ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 41

def add_asset_folder(component_name)
  path = path_to_component(component_name)
  
  asset_folder = File.join(path, 'assets')
  if File.directory?(asset_folder)
    @asset_folders << asset_folder
  end
end

#asset_folders ⇒ Object

Returns every asset folder that is included from this component. This means this components assets folder and any in the dependency chain.



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# File 'lib/volt/server/rack/component_files.rb', line 75

def asset_folders
  files = []
  @asset_folders.each do |asset_folder|
    files << yield(asset_folder)
  end
  
  return files.flatten
end

#component(name) ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 27

def component(name)
  # Load any sub-requires
  child_files = ComponentFiles.new(name, @component_paths)
  new_components = child_files.components
  
  # remove any we already have
  new_components = new_components - @components
  new_components.each {|nc| add_asset_folder(nc) }
  
  @components += new_components
  
  return @components
end

#component_paths ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 54

def component_paths
  @components.map {|c| [path_to_component(c), c] }
end

#components ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 23

def components
  @components
end

#css_files ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 103

def css_files
  asset_folders do |asset_folder|
    Dir["#{asset_folder}/**/*.{css,scss}"].map {|path| '/assets' + path[asset_folder.size..-1].gsub(/[.]scss$/, '') }
  end
end

#javascript_files ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 85

def javascript_files
  javascript_files = asset_folders do |asset_folder|
    Dir["#{asset_folder}/**/*.js"].map {|path| '/assets' + path[asset_folder.size..-1] }
  end
  
  opal_js_files = []
  if Volt.source_maps?
    opal_js_files << environment['volt/templates/page'].to_a.map {|v| '/assets/' + v.logical_path + '?body=1' }
  else
    opal_js_files << '/assets/volt/templates/page.js'
  end
  opal_js_files << '/components/home.js'

  javascript_files.insert(2, *opal_js_files)
  
  return javascript_files
end

#load_child_components ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 58

def load_child_components
  path = path_to_component
  if path
    dependencies_file = File.join(path_to_component, "config/dependencies.rb")
  else
    raise "Unable to find component #{@component_name.inspect}"
  end
  
  if File.exists?(dependencies_file)
    # Run the dependencies file in this ComponentFiles context
    code = File.read(dependencies_file)
    instance_eval(code)
  end
end

#path_to_component(name = nil) ⇒ Object 



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# File 'lib/volt/server/rack/component_files.rb', line 50

def path_to_component(name=nil)
  @component_paths.component_path(name || @component_name)
end