Class: OpalFiles

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

Overview

Sets up the maps for the opal assets, and source maps if enabled.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(builder, app_path, component_paths) ⇒ OpalFiles

Returns a new instance of OpalFiles.



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

def initialize(builder, app_path, component_paths)
  ::Opal::Processor.source_map_enabled = Volt.source_maps?
  # Opal::Processor.arity_check_enabled = true
  # Opal::Processor.dynamic_require_severity = :raise

  @component_paths = component_paths
  @environment = Opal::Environment.new
  
  # Since the scope changes in builder blocks, we need to capture 
  # environment in closure
  environment = @environment
  
  environment.cache = Sprockets::Cache::FileStore.new("./tmp")

  environment.append_path(app_path)

  volt_gem_lib_path = File.expand_path(File.join(File.dirname(__FILE__), "../../.."))
  environment.append_path(volt_gem_lib_path)

  add_asset_folders(environment)

  # Add the opal load paths
  Opal.paths.each do |path|
    environment.append_path(path)
  end

  # opal-jquery gem
  spec = Gem::Specification.find_by_name("opal-jquery")
  environment.append_path(spec.gem_dir + "/opal")

  builder.map '/assets' do
    run environment
  end

  if Volt.source_maps?
    source_maps = SourceMapServer.new(environment)

    builder.map(source_maps.prefix) do
      run source_maps
    end
  end
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/volt/server/rack/opal_files.rb', line 5

def environment
  @environment
end

Instance Method Details

#add_asset_folders(environment) ⇒ Object 



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

def add_asset_folders(environment)
  @component_paths.asset_folders do |asset_folder|
    environment.append_path(asset_folder)
  end
end