Class: Brut::CLI::Apps::BuildAssets::JS

Inherits:
Command
  • Object
show all
Defined in:
lib/brut/cli/apps/build_assets.rb

Instance Method Summary collapse

Methods inherited from Command

#after_bootstrap, args, #args, #before_execute, command_name, default_env, #delegate_to_commands, description, detailed_description, env_var, #err, #global_options, #handle_bootstrap_exception, #initialize, name_matches?, option_parser, #options, opts, #out, requires_project_env, requires_project_env?, #system!

Methods included from Framework::Errors

#abstract_method!, #bug!

Methods included from I18n::ForCLI

#capture, #html_escape, #safe

Methods included from I18n::BaseMethods

#l, #t, #t_direct, #this_field_value

Methods included from ExecutionResults

#abort_execution, #as_execution_result, #cli_usage_error, #continue_execution, #show_cli_usage, #stop_execution

Constructor Details

This class inherits a constructor from Brut::CLI::Command

Instance Method Details

#execute ⇒ Object 



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# File 'lib/brut/cli/apps/build_assets.rb', line 85

def execute
  js_bundle           = Brut.container.js_bundle_output_dir / options.output_file(default: "app.js")
  js_bundle_source    = Brut.container.front_end_src_dir /  "js" / options.source_file(default: "index.js")
  esbuild_metafile    = Brut.container.tmp_dir / "build-js-meta.json"
  asset_metadata_file = Brut.container.asset_metadata_file

  name_with_hash_regexp = /app\/public\/(?<path>.+)\/(?<name>.+)\-(?<hash>.+)\.js/
  if global_options.clean?(default: global_options.env != "production")
    out.puts "Cleaning old JS files from #{Brut.container.js_bundle_output_dir}"
    Dir[Brut.container.js_bundle_output_dir / "*.*"].each do |file|
      if File.file?(file)
        out.puts "Deleting #{file}"
        FileUtils.rm(file)
      end
    end
  end

  command = "npx esbuild --metafile=#{esbuild_metafile} --entry-names=[name]-[hash] --sourcemap --bundle #{js_bundle_source} --outfile=#{js_bundle}"
  env_for_command = {
    "NODE_PATH" => (Brut.container.project_root / "lib").to_s, # Not needed once Brut is properly bundled
  }
  out.puts "Building JS bundle '#{js_bundle}' with '#{command}'"
  system!(env_for_command,command)

  if !File.exist?(esbuild_metafile)
    err.puts "'#{esbuild_metafile}' was not generated - cannot continue"
    exit 1
  end

  asset_metadata = Brut::FrontEnd::AssetMetadata.new(asset_metadata_file:,out:)
  asset_metadata.merge!(extension: ".js", esbuild_metafile:)
  asset_metadata.save!
end