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require "webpacker/configuration"
say "Copying erb loader to config/webpack/loaders"
copy_file "#{__dir__}/loaders/erb.js", Rails.root.join("config/webpack/loaders/erb.js").to_s
say "Adding erb loader to config/webpack/environment.js"
insert_into_file Rails.root.join("config/webpack/environment.js").to_s,
"const erb = require('./loaders/erb')\n",
after: /require\(('|")@rails\/webpacker\1\);?\n/
insert_into_file Rails.root.join("config/webpack/environment.js").to_s,
"environment.loaders.prepend('erb', erb)\n",
before: "module.exports"
say "Updating webpack paths to include .erb file extension"
insert_into_file Webpacker.config.config_path, "- .erb\n".indent(4), after: /\s+extensions:\n/
say "Copying the example entry file to #{Webpacker.config.source_entry_path}"
copy_file "#{__dir__}/examples/erb/hello_erb.js.erb",
"#{Webpacker.config.source_entry_path}/hello_erb.js.erb"
say "Installing all Erb dependencies"
run "yarnpkg add rails-erb-loader"
say "Webpacker now supports Erb in JS 🎉", :green
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