Class: CoffeeTemplate

Inherits:
Tilt::Template
  • Object
show all
Defined in:
lib/sinatra/coffee.rb

Class Attribute Summary collapse

Instance Method Summary collapse

Class Attribute Details

.coffee_path ⇒ Object

Returns the value of attribute coffee_path.



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# File 'lib/sinatra/coffee.rb', line 14

def coffee_path
  @coffee_path
end

Instance Method Details

#evaluate(scope, locals, &block) ⇒ Object 



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# File 'lib/sinatra/coffee.rb', line 34

def evaluate(scope, locals, &block)
  compiled = nil
  error_message = nil
  
  Open3.popen3(self.class.coffee_path, '-s', '-p', '--no-wrap') do |stdin, stdout, stderr, waitth|
    stdin.write(data)
    stdin.close_write
    compiled = stdout.read
    error_message = stderr.read
    raise "CoffeeScript compile failed. #{error_message}" unless waitth.value == 0
  end

  compiled
end

#initialize_engine ⇒ Object

Raises:

  • (StandardError) 


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# File 'lib/sinatra/coffee.rb', line 17

def initialize_engine
  unless self.class.coffee_path
    ENV['PATH'].split(':').each do |p|
      coffee_path = File.join(p, 'coffee')
      if File.executable?(coffee_path)
        self.class.coffee_path = coffee_path
        break
      end
    end
  end
  
  raise StandardError, 'Unable to find "coffee" executable in your PATH' unless File.executable?(self.class.coffee_path)
end

#prepare ⇒ Object 



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# File 'lib/sinatra/coffee.rb', line 31

def prepare
end