homebrew-core/Formula/babel.rb
2019-11-07 10:17:03 +01:00

45 lines
1.5 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-7.7.2.tgz"
sha256 "e2e9745819df1a040265933785536c2b3317661bc635c63e98497e4882ae6a39"
bottle do
sha256 "ca4574c264ad3c4a2f563ea8680c9b0b16114e90c729d6e2adb1dfede3ea7fc7" => :catalina
sha256 "bdd49169c8071c88a1cf4258cc65528ae10a77a42bc5199470a0185fc186f240" => :mojave
sha256 "c2a7a3b922812528e778bb77706a6fb7a77ea1398853804d8a391ab248babc14" => :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