Class: Cyborg::Assets::Javascripts

Inherits:
AssetType
  • Object
show all
Defined in:
lib/cyborg/plugin/assets/javascripts.rb

Instance Attribute Summary

Attributes inherited from AssetType

#base, #plugin

Instance Method Summary collapse

Methods inherited from AssetType

#build_failure, #build_success, #change, #compress, #destination, #file_event, #find_files, #find_node_module, #initialize, #local_path, #log_error, #log_success, #npm_command, #url, #urls, #versioned, #watch

Constructor Details

This class inherits a constructor from Cyborg::Assets::AssetType

Instance Method Details

#asset_tag(*args) ⇒ Object 



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 8

def asset_tag(*args)
  javascript_include_tag(args)
end

#build ⇒ Object 



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 23

def build
  files = find_files
  FileUtils.mkdir_p(File.dirname(cache_file)) if !files.empty?

  if Open3.capture3("npm ls browserify-incremental")[1].empty?
    files.each do |file|

      dest = destination(file)

      FileUtils.rm(dest) if File.exists?(dest)

      response = Open3.capture3(build_command(file))

      # If the file exists and is not empty (a failed build is empty)
      if File.exist?(dest) && !File.read(dest).strip.empty?
        compress(dest) if Cyborg.production?
        build_success file
      else
        build_failure file

        response = response.map { |l| l.to_s.split("\n") }.flatten

        response.each do |line|
          if !line.empty? &&                      # Don't print empty lines
             !line.match(/node_modules/i) &&      # Ignore stack traces from installed modules
             !line.match(/pid (\d+?) exit/i) &&   # Ignore pid exit stack line
             !line.match(/\[BABEL\] Note:/i)      # Notices from Bable are noisy
            log_error line.gsub(plugin.root+'/','')
          end
        end

        puts ""
      end
    end
  else
    log_error "JS BUILD FAILED: browserifyinc NPM module not found.\n" << "Please add browserifyinc to your package.json and run `npm install`"
    abort
  end
end

#build_command(file) ⇒ Object 



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 67

def build_command(file)
  dest = destination(file).sub(/\.js$/,'')
  options = "--standalone #{plugin.name} -o #{dest}.js -d"

  cmd = if Cyborg.production?
    npm_path "browserify #{file} #{options} -t"
  else
    npm_path "browserifyinc --cachefile #{cache_file(File.basename(dest))} #{file} #{options}"
  end
  puts "Running: #{cmd}"

  cmd

end

#cache_file(name = nil) ⇒ Object 



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 12

def cache_file(name=nil)
  Cyborg.rails_path("tmp/cache/assets/.browserify-cache-#{name}.json")
end

#ext ⇒ Object 



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 4

def ext
  "js"
end

#filter_files(names) ⇒ Object

Find all asset files matching array of names



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 17

def filter_files(names)
  [find_files, plugin.svgs.build_paths].flatten.select do |f|
    names.include? File.basename(f).sub(/(\..+)$/,'')
  end
end

#npm_path(cmd) ⇒ Object 



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# File 'lib/cyborg/plugin/assets/javascripts.rb', line 63

def npm_path( cmd )
  File.join Cyborg.gem_path, "node_modules/.bin", cmd
end