<%= shebang %> $stdout.sync = true
require “shellwords” require “yaml” require “socket”
ENV ||= “development” RAILS_ENV = ENV
ENV ||= RAILS_ENV NODE_ENV = ENV
APP_PATH = File.expand_path(“../”, __dir__) CONFIG_FILE = File.join(APP_PATH, “config/webpacker.yml”) NODE_MODULES_PATH = File.join(APP_PATH, “node_modules”) WEBPACK_CONFIG = File.join(APP_PATH, “config/webpack/#{NODE_ENV}.js”)
DEFAULT_LISTEN_HOST_ADDR = NODE_ENV == 'development' ? 'localhost' : '0.0.0.0'
def args(key)
index = ARGV.index(key) index ? ARGV[index + 1] : nil
end
begin
dev_server = YAML.load_file(CONFIG_FILE)[RAILS_ENV]["dev_server"] HOSTNAME = args('--host') || dev_server["host"] PORT = args('--port') || dev_server["port"] HTTPS = ARGV.include?('--https') || dev_server["https"] DEV_SERVER_ADDR = "http#{"s" if HTTPS}://#{HOSTNAME}:#{PORT}" LISTEN_HOST_ADDR = args('--listen-host') || DEFAULT_LISTEN_HOST_ADDR
rescue Errno::ENOENT, NoMethodError
$stdout.puts "Webpack dev_server configuration not found in #{CONFIG_FILE}." $stdout.puts "Please run bundle exec rails webpacker:install to install webpacker" exit!
end
begin
server = TCPServer.new(LISTEN_HOST_ADDR, PORT) server.close
rescue Errno::EADDRINUSE
$stdout.puts "Another program is running on port #{PORT}. Set a new port in #{CONFIG_FILE} for dev_server" exit!
end
# Delete supplied host, port and listen-host CLI arguments [“–host”, “–port”, “–listen-host”].each do |arg|
ARGV.delete(args(arg)) ARGV.delete(arg)
end
env = { “NODE_PATH” => NODE_MODULES_PATH.shellescape }
cmd = [
"#{NODE_MODULES_PATH}/.bin/webpack-dev-server", "--progress", "--color", "--config", WEBPACK_CONFIG, "--host", LISTEN_HOST_ADDR, "--public", "#{HOSTNAME}:#{PORT}", "--port", PORT.to_s
] + ARGV
Dir.chdir(APP_PATH) do
system env, *cmd
end