Module: WebpackHelper

Included in:
Gitlab::GonHelper
Defined in:
app/helpers/webpack_helper.rb

Instance Method Summary collapse

Instance Method Details

#webpack_bundle_tag(bundle) ⇒ Object 


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# File 'app/helpers/webpack_helper.rb', line 4

def webpack_bundle_tag(bundle)
  javascript_include_tag(*webpack_entrypoint_paths(bundle))
end

#webpack_controller_bundle_tags ⇒ Object 


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# File 'app/helpers/webpack_helper.rb', line 8

def webpack_controller_bundle_tags
  chunks = []

  action = case controller.action_name
           when 'create' then 'new'
           when 'update' then 'edit'
           else controller.action_name
           end

  route = [*controller.controller_path.split('/'), action].compact

  until chunks.any? || route.empty?
    entrypoint = "pages.#{route.join('.')}"
    begin
      chunks = webpack_entrypoint_paths(entrypoint, extension: 'js')
    rescue Gitlab::Webpack::Manifest::AssetMissingError
      # no bundle exists for this path
    end
    route.pop
  end

  if chunks.empty?
    chunks = webpack_entrypoint_paths("default", extension: 'js')
  end

  javascript_include_tag(*chunks)
end

#webpack_entrypoint_paths(source, extension: nil, exclude_duplicates: true) ⇒ Object 


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# File 'app/helpers/webpack_helper.rb', line 36

def webpack_entrypoint_paths(source, extension: nil, exclude_duplicates: true)
  return "" unless source.present?

  paths = Gitlab::Webpack::Manifest.entrypoint_paths(source)
  if extension
    paths.select! { |p| p.ends_with? ".#{extension}" }
  end

  force_host = webpack_public_host
  if force_host
    paths.map! { |p| "#{force_host}#{p}" }
  end

  if exclude_duplicates
    @used_paths ||= []
    new_paths = paths - @used_paths
    @used_paths += new_paths
    new_paths
  else
    paths
  end
end

#webpack_public_host ⇒ Object 


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# File 'app/helpers/webpack_helper.rb', line 59

def webpack_public_host
  if Rails.env.test? && Rails.configuration.webpack.dev_server.enabled
    host = Rails.configuration.webpack.dev_server.host
    port = Rails.configuration.webpack.dev_server.port
    protocol = Rails.configuration.webpack.dev_server.https ? 'https' : 'http'
    "#{protocol}://#{host}:#{port}"
  else
    ActionController::Base.asset_host.try(:chomp, '/')
  end
end

#webpack_public_path ⇒ Object 


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# File 'app/helpers/webpack_helper.rb', line 70

def webpack_public_path
  relative_path = Rails.application.config.relative_url_root
  webpack_path = Rails.application.config.webpack.public_path
  File.join(webpack_public_host.to_s, relative_path.to_s, webpack_path.to_s, '')
end