Module: LuxAssets::Cli

Extended by:
Cli
Included in:
Cli
Defined in:
lib/lux_assets/cli.rb

Overview

command line helpers

Instance Method Summary collapse

Instance Method Details

#die(text) ⇒ Object 



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# File 'lib/lux_assets/cli.rb', line 6

def die text
  text = text.red if text.respond_to?(:red)
  puts text
  puts caller.slice(0, 10)
  exit
end

#info(text) ⇒ Object 



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# File 'lib/lux_assets/cli.rb', line 18

def info text
  puts text.yellow
end

#monitor ⇒ Object

monitor for file changes



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# File 'lib/lux_assets/cli.rb', line 49

def monitor
  puts 'Lux assets - looking for file changes'

  list = LuxAssets
    .to_h
    .values
    .map(&:values)
    .flatten
    .map { |it| Pathname.new it }

  files = list.inject({}) do |h, file|
    if file.to_s.end_with?('.scss')
      # if target file is scss, monitor all child css and scss files
      h[file.to_s] = Dir['%s/**/*' % file.dirname]
        .select { |file| file.end_with?('.scss') || file.end_with?('.css') }
        .map { |it| Pathname.new it }

    else
      # othervise monitor only target file
      h[file.to_s] = [file]
    end

    h
  end

  last_change = Time.now

  while true
    changed = false

    for key, values in files
      for file in values
        if file.mtime > last_change
          changed = true
          LuxAssets.compile key, force: true
        end
      end
    end

    last_change = Time.now if changed

    sleep 2
  end
end

#run(what, opts = {}) ⇒ Object 



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# File 'lib/lux_assets/cli.rb', line 22

def run what, opts={}
  info (opts[:message] || what)

  stdin, stdout, stderr, wait_thread = Open3.popen3(what)

  error = stderr.gets
  while line = stderr.gets do
    error += line
  end

  # node-sass prints to stderror on complete
  error = nil if error && error.include?('Rendering Complete, saving .css file...')

  if error
    puts '--- command '
    puts what.yellow
    puts '--- error response'
    opts[:cache_file].unlink if opts[:cache_file] && opts[:cache_file].exist?
    warn error
    puts '--- end'
    false
  else
    true
  end
end

#warn(text) ⇒ Object 



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# File 'lib/lux_assets/cli.rb', line 13

def warn text
  text = text.magenta if text.respond_to?(:magenta)
  puts text
end