homebrew-core/Formula/babel.rb

47 lines
1.6 KiB
Ruby

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-7.10.5.tgz"
sha256 "7ad420ecd76539744759c60c5e118abd7b103eb19631163f1879b4a00217b05e"
license "MIT"
bottle do
sha256 "97994b3ae974782537a2a0127526230470c340f88eb79115142258ca895e5336" => :catalina
sha256 "a5b87e906beea6580a65befdd61a927bfa152bbf47698d516c211d1a8be34691" => :mojave
sha256 "663c420051ebf322932f7c82af7b5bd7fc6269cf9eefed6b14ab5966eeff4f6c" => :high_sierra
end
depends_on "node"
resource "babel-cli" do
url "https://registry.npmjs.org/@babel/cli/-/cli-7.10.5.tgz"
sha256 "cebcdfc983c5dd3c3535bd6a0ea1f2f550cb3339d76284114d51c5b3cd80d5ce"
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