Module: OpalHelper

Defined in:
app/helpers/opal_helper.rb

Instance Method Summary collapse

Instance Method Details

#javascript_include_tag(*sources) ⇒ Object 



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# File 'app/helpers/opal_helper.rb', line 12

def javascript_include_tag(*sources)
  options = sources.extract_options!.symbolize_keys
  debug = options[:debug] != false
  skip_loader = options.delete(:skip_opal_loader)
  force_opal_loader_tag = options.delete(:force_opal_loader_tag) || debug

  return super(*sources, options) if skip_loader && !force_opal_loader_tag

  script_tags = "".html_safe
  sources.each do |source|
    load_asset_code = Opal::Sprockets.load_asset(source)
    loading_code = "if(window.Opal && Opal.modules[#{source.to_json}]){#{load_asset_code}}"

    if force_opal_loader_tag
      script_tags << super(source, options)
      script_tags << "\n".html_safe + javascript_tag(loading_code)
    else
      script_tags << super(source, options.merge(onload: loading_code))
    end
  end
  script_tags
end

#opal_tag(opal_code = nil, &block) ⇒ Object 



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# File 'app/helpers/opal_helper.rb', line 4

def opal_tag(opal_code = nil, &block)
  opal_code ||= capture(&block)
  compiler_options = Opal::Config.compiler_options.merge(requirable: false)
  compiler = Opal::Compiler.new(opal_code, compiler_options)
  js_code = compiler.compile
  javascript_tag js_code
end