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# Install Webpacker
copy_file "#{__dir__}/config/webpacker.yml", "config/webpacker.yml"
say "Copying webpack core config"
directory "#{__dir__}/config/webpack", "config/webpack"
say "Copying postcss.config.js to app root directory"
copy_file "#{__dir__}/config/postcss.config.js", "postcss.config.js"
say "Copying babel.config.js to app root directory"
copy_file "#{__dir__}/config/babel.config.js", "babel.config.js"
say "Copying .browserslistrc to app root directory"
copy_file "#{__dir__}/config/.browserslistrc", ".browserslistrc"
if Dir.exists?(Webpacker.config.source_path)
say "The JavaScript app source directory already exists"
else
say "Creating JavaScript app source directory"
directory "#{__dir__}/javascript", Webpacker.config.source_path
end
apply "#{__dir__}/binstubs.rb"
if File.exists?(".gitignore")
append_to_file ".gitignore" do
"\n" +
"/public/packs\n" +
"/public/packs-test\n" +
"/node_modules\n" +
"/yarn-error.log\n" +
"yarn-debug.log*\n" +
".yarn-integrity\n"
end
end
if Webpacker::VERSION.match?(/^[0-9]+\.[0-9]+\.[0-9]+$/)
say "Installing all JavaScript dependencies [#{Webpacker::VERSION}]"
run "yarnpkg add @rails/webpacker@#{Webpacker::VERSION}"
else
say "Installing all JavaScript dependencies [from prerelease rails/webpacker]"
run "yarnpkg add @rails/webpacker@next"
end
package_json = File.read("#{__dir__}/../../package.json")
webpack_version = package_json.match(/"webpack": "(.*)"/)[1]
webpack_cli_version = package_json.match(/"webpack-cli": "(.*)"/)[1]
# needed for experimental Yarn 2 support and should not harm Yarn 1
say "Installing webpack and webpack-cli as direct dependencies"
run "yarnpkg add webpack@#{webpack_version} webpack-cli@#{webpack_cli_version}"
say "Installing dev server for live reloading"
run "yarnpkg add --dev webpack-dev-server"
if Rails::VERSION::MAJOR == 5 && Rails::VERSION::MINOR > 1
say "You need to allow webpack-dev-server host as allowed origin for connect-src.", :yellow
say "This can be done in Rails 5.2+ for development environment in the CSP initializer", :yellow
say "config/initializers/content_security_policy.rb with a snippet like this:", :yellow
say "policy.connect_src :self, :https, \"http://localhost:3035\", \"ws://localhost:3035\" if Rails.env.development?", :yellow
end
say "Webpacker successfully installed 🎉 🍰", :green
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