Class: BPM::GeneratedAsset

Inherits:
Sprockets::BundledAsset
  • Object
show all
Defined in:
lib/bpm/pipeline/generated_asset.rb

Direct Known Subclasses

PluginAsset

Constant Summary collapse

FORMAT_METHODS = 
{
  'text/css' => ['css'],
  'application/javascript' => ['lib']
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.generating_asset ⇒ Object 



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# File 'lib/bpm/pipeline/generated_asset.rb', line 12

def self.generating_asset
  @generating_asset && @generating_asset.last
end

.pop_generating_asset ⇒ Object 



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# File 'lib/bpm/pipeline/generated_asset.rb', line 21

def self.pop_generating_asset
  @generating_asset && @generating_asset.pop
end

.push_generating_asset(asset) ⇒ Object 



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# File 'lib/bpm/pipeline/generated_asset.rb', line 16

def self.push_generating_asset(asset)
  @generating_asset ||= []
  @generating_asset.push asset
end

Instance Method Details

#build_settings ⇒ Object 



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# File 'lib/bpm/pipeline/generated_asset.rb', line 25

def build_settings
  ret = environment.project.build_settings[asset_name]
  (ret && ret['bpm:settings']) || {}
end

#minify_as_js ⇒ Object 



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# File 'lib/bpm/pipeline/generated_asset.rb', line 30

def minify_as_js
  project = environment.project
  minifier_name = project.minifier_name asset_name
  minifier_name = minifier_name.keys.first if minifier_name

  if minifier_name && content_type == 'application/javascript'
    pkg = project.package_from_name minifier_name
    if pkg.nil?
      raise MinifierNotFoundError.new(minifier_name)
    end
    minifier_plugin_name = pkg.provided_minifier
    if minifier_plugin_name.nil?
      raise MinifierNotFoundError.new(minifier_name)
    end
    plugin_ctx = environment.plugin_js_for minifier_plugin_name

    plugin_ctx += <<-end_eval
      ; // Safety
      CTX.minify = function(body) { return BPM_PLUGIN.minify(body); };
    end_eval

  end
  #Return a default (noop) minifier if none if defined      
  plugin_ctx = "CTX.minify=function(body) { return body; }" unless plugin_ctx;
  plugin_ctx
end

#minify_body(data) ⇒ Object 



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# File 'lib/bpm/pipeline/generated_asset.rb', line 57

def minify_body(data)
  project = environment.project
  minifier_name = project.minifier_name asset_name
  minifier_name = minifier_name.keys.first if minifier_name

  if minifier_name && content_type == 'application/javascript'
    pkg = project.package_from_name minifier_name
    if pkg.nil?
      raise MinifierNotFoundError.new(minifier_name)
    end

    minifier_plugin_name = pkg.provided_minifier
    if minifier_plugin_name.nil?
      raise MinifierNotFoundError.new(minifier_name)
    end

    plugin_ctx = environment.plugin_js_for minifier_plugin_name

    # slice out the header at the top - we don't want the minifier to
    # touch it.
    header   = data.match /^(\/\* ====.+====\*\/)$/m
    if header
      header = header[0] + "\n"
      data   = data[header.size..-1]
    end

    plugin_ctx += <<-end_eval
      ; // Safety
      CTX = #{BPM::PluginContext.new(pkg).to_json};
      CTX.minify = function(body){ return body; };
      DATA = #{data.to_json};
    end_eval

    ctx = BPM.compile_js(plugin_ctx);
    data = ctx.eval("BPM_PLUGIN.minify(DATA, CTX)")

    data = header+data if header
  end
  data
end