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#!/usr/bin/env ruby
$stdout.sync = true
require "shellwords"
require "yaml"
require "socket"
ENV["RAILS_ENV"] ||= "development"
RAILS_ENV = ENV["RAILS_ENV"]
ENV["NODE_ENV"] ||= RAILS_ENV
NODE_ENV = ENV["NODE_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
exec env, *cmd
end
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