Class: Mlo::Jekyll::BrowserSync::Command

Inherits:
Jekyll::Command
  • Object
show all
Defined in:
lib/jekyll-browsersync/command.rb

Constant Summary collapse

DEFAULT_BROWSERSYNC_PATH = 
'node_modules/.bin/browser-sync'
COMMAND_OPTIONS = 
{
  "https"              => ["--https", "Use HTTPS"],
  "host"               => ["host", "-H", "--host [HOST]", "Host to bind to"],
  "open_url"           => ["-o", "--open-url", "Launch your site in a browser"],
  "port"               => ["-P", "--port [PORT]", "Port to listen on"],
  "show_dir_listing"   => ["--show-dir-listing",
    "Show a directory listing instead of loading your index file."],
  "skip_initial_build" => ["skip_initial_build", "--skip-initial-build",
    "Skips the initial site build which occurs before the server is started."],
  "ui_port"            => ["--ui-port [PORT]",
    "The port for Browsersync UI to run on"],
  "browsersync"        => ["--browser-sync [PATH]",
    "Specify the path to the Browsersync binary if in custom location."],
}.freeze

Class Method Summary collapse

Class Method Details

.init_with_program(prog) ⇒ Object 



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# File 'lib/jekyll-browsersync/command.rb', line 24

def init_with_program(prog)
  prog.command("browsersync") do |cmd|
    cmd.syntax "browsersync [options]"
    cmd.description 'Serve a Jekyll site using Browsersync.'
    cmd.alias :'browser-sync'
    cmd.alias :bs

    add_build_options(cmd)

    COMMAND_OPTIONS.each do |key, val|
      cmd.option key, *val
    end

    cmd.action do |args, opts|
      puts args.inspect
      opts['serving'] = true
      opts['watch'] = true unless opts.key?('watch')
      opts['incremental'] = true unless opts.key?('incremental')
      opts['port'] = 4000 unless opts.key?('port')
      opts['host'] = '127.0.0.1' unless opts.key?('host')
      opts['ui_port'] = 3001 unless opts.key?('ui_port')
      opts['browsersync'] = locate_browsersync unless opts.key?('browsersync')

      validate!(opts)

      config = opts['config']
      ::Jekyll::Commands::Build.process(opts)
      opts['config'] = config
      Command.process(opts, args)
    end
  end
end

.process(opts, args) ⇒ Object 



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# File 'lib/jekyll-browsersync/command.rb', line 57

def process(opts, args)
  opts = configuration_from_options(opts)
  destination = opts['destination']

  args << "--server #{destination}"
  args << "--files #{destination}"
  args << "--port #{opts['port']}"
  args << "--host #{opts['host']}"
  args << "--ui-port #{opts['ui_port']}"
  args << '--https' if opts['https']
  args << '--no-open' unless opts['open_url']
  args << '--directory' if opts['show_dir_listing']

  cmd = "#{opts['browsersync']} start #{args.join(' ')}"

  PTY.spawn(cmd) do |stdout, stdin, pid|
    trap("INT") { Process.kill 'INT', pid }

    ::Jekyll.logger.info "Server address:", server_address(opts)
    ::Jekyll.logger.info "UI address:", server_address(opts, 'ui')

    begin
      stdout.each { |line| ::Jekyll.logger.debug line.rstrip }
    rescue
    end
  end
end