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require 'action_view'
require 'webpack/rails/manifest'
module Webpack
module Rails
# Asset path helpers for use with webpack
module Helper
# Return asset paths for a particular webpack entry point.
#
# Response may either be full URLs (eg http://localhost/...) if the dev server
# is in use or a host-relative URl (eg /webpack/...) if assets are precompiled.
#
# Will raise an error if our manifest can't be found or the entry point does
# not exist.
def webpack_asset_paths(source, extension: nil)
return "" unless source.present?
paths = Webpack::Rails::Manifest.asset_paths(source)
paths = paths.select { |p| p.ends_with? ".#{extension}" } if extension
port = ::Rails.configuration.webpack.dev_server.port
protocol = ::Rails.configuration.webpack.dev_server.https ? 'https' : 'http'
host = ::Rails.configuration.webpack.dev_server.host
host = instance_eval(&host) if host.respond_to?(:call)
if ::Rails.configuration.webpack.dev_server.enabled
paths.map! do |p|
"#{protocol}://#{host}:#{port}#{p}"
end
end
paths
end
end
end
end
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