homebrew-core/Formula/babel.rb
2019-12-19 17:42:39 +00:00

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-7.7.7.tgz"
sha256 "15f2266ab54addd1c18c88225cbb24d298720f46988bcb8a6ca2a46abdc89fa3"
bottle do
sha256 "8cd0b43d3e79e7b59f65c554479ef228496da922ac8fa680421f6fe93f8bbc8d" => :catalina
sha256 "455e27486c4f3597b266e6ffe9570b71ed2a6340db130b2b9d2645af03ac36f4" => :mojave
sha256 "0d56fd0058fb33902ef980897293eacfe7e79d78f00c1758a042d2615242b542" => :high_sierra
end
depends_on "node"
resource "babel-cli" do
url "https://registry.npmjs.org/@babel/cli/-/cli-7.7.7.tgz"
sha256 "d28508eba145aae23b9e0732b8a473a08ba3489a7524a0c35281c2936c5ed1e0"
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