require "language/node" require "json" class Babel < Formula desc "Compiler for writing next generation JavaScript" homepage "https://babeljs.io/" url "https://registry.npmjs.org/@babel/core/-/core-7.6.3.tgz" sha256 "a7086bb8f5804cc4f82f1bb4631f0752e78061bfe47ea4ae9c5a227ca2879a35" bottle do sha256 "626f5843cd92e6d20df95693ca6f0de90bdb0b61ea0a7d7894a2828347d11595" => :catalina sha256 "bccaf08b1d2c7800a69b1ed379b3096034b29aed5603cb90c5467c76e555bc0e" => :mojave sha256 "f5f6ab76389d765e8e884660f8977a91592cfc749b76084d8c7e2cf9472aef9f" => :high_sierra end depends_on "node" resource "babel-cli" do url "https://registry.npmjs.org/@babel/cli/-/cli-7.6.3.tgz" sha256 "ff52b092033e1e1e68d6feccddf8fc544babcb2fbde253d1ca7bde0d29816411" end def install (buildpath/"node_modules/@babel/core").install Dir["*"] buildpath.install resource("babel-cli") # declare babel-core as a bundledDependency of babel-cli pkg_json = JSON.parse(IO.read("package.json")) pkg_json["dependencies"]["@babel/core"] = version pkg_json["bundledDependencies"] = ["@babel/core"] IO.write("package.json", JSON.pretty_generate(pkg_json)) system "npm", "install", *Language::Node.std_npm_install_args(libexec) bin.install_symlink Dir["#{libexec}/bin/*"] end test do (testpath/"script.js").write <<~EOS [1,2,3].map(n => n + 1); EOS system bin/"babel", "script.js", "--out-file", "script-compiled.js" assert_predicate testpath/"script-compiled.js", :exist?, "script-compiled.js was not generated" end end