Class: Opal::Connect::RakeTask

Inherits:
Object
  • Object
show all
Includes:
Rake::DSL
Defined in:
lib/opal/connect/rake_task.rb

Constant Summary collapse

STUBS = 
%w'opal native promise console base64 json'

Instance Method Summary collapse

Constructor Details

#initialize(name = 'webpack', opts = {}) ⇒ RakeTask

Returns a new instance of RakeTask.



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# File 'lib/opal/connect/rake_task.rb', line 7

def initialize(name = 'webpack', opts = {})
  namespace name do
    return unless defined? Opal.append_path

    Opal::Connect.write_entry_file

    Opal.append_path Dir.pwd

    write_opal_file

    envs = ENV.to_h.merge({
      BUNDLE_BIN: true,
      CONNECT_STUBS: STUBS.concat(Opal::Config.stubbed_files.to_a).join(','),
      OPAL_LOAD_PATH: Opal.paths.join(":"),
      OPAL_USE_BUNDLER: true
    }).inject({}) { |env, (k, v)| env[k.to_s] = v.to_s; env }

    desc "Start webpack"
    task :run do
      exec(envs, 'webpack --progress --watch')
    end

    desc "Build webpack"
    task :build do
      exec(envs, 'webpack --progress')
    end
  end
end

Instance Method Details

#write_opal_file ⇒ Object 



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# File 'lib/opal/connect/rake_task.rb', line 36

def write_opal_file
  file_path    = "#{Dir.pwd}/.connect"
  version_path = "#{file_path}/opal_version"
  version      = File.exist?(version_path) ? File.read(version_path) : false

  if !File.exist?("#{file_path}/opal.js") || !version || (version && version != Opal::VERSION)
    builder   = Opal::Builder.new
    build_str = STUBS.map { |stub| "require '#{stub}'" }.join(";")
    builder.build_str(build_str, '(inline)', { dynamic_require_severity: :ignore })
    File.write version_path, Opal::VERSION
    File.write "#{file_path}/opal.js", builder.to_s
  end
end