Class: FrontendLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/FrontEndLoader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FrontendLoader

Returns a new instance of FrontendLoader.



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# File 'lib/FrontEndLoader.rb', line 9

def initialize
  version = '0.0.7'
  @gem_path = Gem.path[0]+"/gems/frontendloader-"+version
  @resources_path = Gem.path[0]+"/gems/frontendloader-"+version+"/resources"
  @processors = {}
end

Instance Attribute Details

#resources_path ⇒ Object

Returns the value of attribute resources_path.



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# File 'lib/FrontEndLoader.rb', line 6

def resources_path
  @resources_path
end

#settings ⇒ Object

Returns the value of attribute settings.



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# File 'lib/FrontEndLoader.rb', line 7

def settings
  @settings
end

Instance Method Details

#boilerplate ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 29

def boilerplate
  load_settings
end

#clean_ignored_files(files, ignored_files = [], path = "") ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 160

def clean_ignored_files(files, ignored_files=[],path="")
  if ignored_files.class != Array then
    ignored_files = []
  end
  cleaned_list = []
  ignored_files.uniq.each {|file|
    if files.include? file then
      files.delete file
    end
  }
  return files
end

#compile(dir = false) ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 48

def compile(dir=false)
  if dir then
    Dir.chdir(dir)
  end

  return false unless load_settings

  #CSS
  if @settings['css']['enabled'] then
    css_source_files = Dir.glob("*.#{@settings['css']['format']}")
    if @settings['css']['prioritize'] then
      css_source_files = prioritize_files(css_source_files,@settings['css']['prioritize'])
    end
    if @settings['css']['ignore']
      css_source_files = clean_ignored_files(css_source_files,@settings['css']['ignore'])
    end
    begin
      css_processor_found = require "processors/#{@settings['css']['format']}.rb"
    rescue Exception => e
      puts "No processor for #{@settings['css']['format']} found"
      css_processor_found = false
    end
    if css_processor_found then
      css_processor = CSS_Processor.new
      css_processor.process(css_source_files)
    end
    puts "Compiled css into css.css"
  end

  #TEMPLATES
  if @settings['templates']['enabled'] then
    template_files = Dir.glob("*.#{@settings['templates']['format']}")
    if @settings['templates']['prioritize'] then
      template_files = prioritize_files(template_files,@settings['templates']['prioritize'])
    end
    if @settings['templates']['ignore'] then
      template_files = clean_ignored_files(template_files,@settings['templates']['ignore'])
    end
    templates_source = "#{@settings['templates']['varname']} = {};\n"
    template_files.each {|file|
      template_markup = File.open(file, :encoding => "UTF-8").read
      template_markup.gsub!("\n","")
      template_markup.gsub!("\"","\\\"")
      template_markup = template_markup.strip.gsub(/\s{2,}/, ' ')
      templates_source << "#{@settings['templates']['varname']}['#{file.split('.')[0]}'] = \"#{template_markup}\";\n"
    }
    puts "Compiled templates into #{@settings['templates']['varname']} variable"
  else
    templates_source = ""
  end

  #JS
  if @settings['javascript']['enabled'] then
    js_source_files = Dir.glob("*.js")
    if @settings['javascript']['prioritize'] then
      js_source_files = prioritize_files(js_source_files,@settings['javascript']['prioritize'])
    end
    # if @settings['javascript']['ignore'].class != Array then
    #   @settings['javascript']['ignore'] = []
    # end
    if @settings['javascript']['ignore'] then
      js_source_files = clean_ignored_files(js_source_files,(@settings['javascript']['ignore'] << 'js.js'))
    end
    js_source = ""
    js_source_files.each { |file|
      js_source << File.open(file,:encoding => "UTF-8").read+"\n"
    }
    js_source << templates_source
    if @settings['javascript']['jsmin'] then
      begin
        jsmin = require "jsmin"
      rescue Exception => e
        puts "JSmin not installed"
      end
      if jsmin then
        js_source = JSMin.minify(js_source)
      end
    end
    if @settings['javascript']['yui'] then
      begin
        yui = require "yui/compressor"
      rescue Exception => e
        puts "YUI compressor gem not installed"
      end
      if yui then
        compressor = YUI::JavaScriptCompressor.new
        js_source = compressor.compress(js_source)
      end
    end
    File.open('js.js','w') { |f|
     f.write(js_source)
    }
    puts "Compiled javascript into js.js"
  end

end

#init_app ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 16

def init_app
  if File.exists?  'FrontendLoader.yml' then
    puts "Frontend Loader already initialized"
    return false
  end
  config_path = @resources_path+"/FrontendLoader.yml"
  # guard_path = @resources_path+"/Guardfile"
  %x[cp #{config_path} FrontendLoader.yml]
  # %x[cp #{guard_path} Guardfile]
  puts "Created basic FrontendLoader app, check FrontendLoader.yml for config"
  puts "To automatically compile upon file saves, run \"fel listen\""
end

#listen(dir = false) ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 174

def listen(dir=false)
  if dir then
    Dir.chdir(dir)
  end
  begin
    listener = Listen.to("./", :filter => %r{(.*).(js|css|less|scss|mustache|handlebars|html)}, :ignore => [/js.js/,/style.css/]) do
      compile
    end
    listener = listener.ignore(/js.js/,/style.css/)
  rescue Exception => e
    puts "\nListening stopped"
  end
end

#load_settings ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 33

def load_settings
  if  ! File.exists?  'FrontendLoader.yml' then
    puts 'FrontendLoader not yet initialized. Please run "fel init" first'
    return false
  end
  begin
    @settings = YAML.load_file('FrontendLoader.yml')
    return true
  rescue Exception => e
    puts "FrontendLoader.yml could not be parsed as valid YAML, please check your syntax"
    return false
  end
end

#prioritize_files(files, priority_files = [], path = "") ⇒ Object 



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# File 'lib/FrontEndLoader.rb', line 145

def prioritize_files(files, priority_files=[],path="")
  if priority_files.class != Array then
    priority_files = []
  end
  priority_files.uniq.each {|file|
    if files.include? file then
      files.delete file
    else
      priority_files.delete file
    end
  }
  prioritized_files = priority_files + files
  return prioritized_files
end