Class: Hanami::CLI::Commands::App::Assets::Watch

Inherits:
Command
  • Object
show all
Defined in:
lib/hanami/cli/commands/app/assets/watch.rb

Instance Method Summary collapse

Methods inherited from Command

#call, #initialize

Constructor Details

This class inherits a constructor from Hanami::CLI::Commands::App::Assets::Command

Instance Method Details

#execute_assets_command(assets, output_dir) ⇒ Object 



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# File 'lib/hanami/cli/commands/app/assets/watch.rb', line 11

def execute_assets_command(assets, output_dir)
  out.puts "Starting Sprockets asset watch mode..."
  out.puts "Press Ctrl+C to stop"

  require "listen"

  asset_paths = find_asset_paths(assets)

  if asset_paths.empty?
    out.puts "No asset directories found. Looking for:"
    %w[app/assets lib/assets vendor/assets].each do |path|
      out.puts "  #{path}"
    end
    return
  end

  out.puts "Watching directories:"
  asset_paths.each { |path| out.puts "  #{path}" }

  listener = Listen.to(*asset_paths, only: /\.(css|js|scss|sass|coffee|erb)$/) do |modified, added, removed|
    out.puts "\nChanges detected:"
    (modified + added + removed).each { |file| out.puts "  #{file}" }

    begin
      out.puts "Recompiling assets..."
      assets.precompile(output_dir)
      out.puts "Assets recompiled successfully"
    rescue => e
      out.puts "Error recompiling assets: #{e.message}"
    end
  end

  listener.start

  trap("INT") { listener.stop; exit }

  sleep
rescue LoadError
  out.puts "Error: 'listen' gem is required for watch mode."
  out.puts "Add 'gem \"listen\"' to your Gemfile and run 'bundle install'"
  raise
rescue => e
  out.puts "Error in watch mode: #{e.message}"
  raise
end