Homebrew formula to install conjure-typescript 3.4.0

conjure-typescript.rb

class ConjureTypescript < Formula
  desc "Conjure generator for TypeScript clients"
  homepage "https://github.com/palantir/conjure-typescript"
  url "http://palantir.bintray.com/releases/com/palantir/conjure/typescript/conjure-typescript/3.4.0/conjure-typescript-3.4.0.tgz"
  sha256 "6ca813bf03b48824ed66b09b5757c708fcbf5e54d742d60d8e9446d48c423057"
  head "https://github.com/palantir/conjure-typescript.git", :branch => "develop"

  bottle :unneeded

  depends_on "node"
  depends_on "yarn" if build.head?

  def install
    if build.head?
      system "yarn", "install", "--non-interactive", "--frozen-lockfile"
      system "yarn", "compile"
      bin.install %w[dist/bin/conjure-typescript]
    else
      libexec.install %w[bin]
      bin.install_symlink "#{libexec}/bin/conjure-typescript"
    end
  end

  test do
    system "#{bin}/conjure-typescript", "--help"
  end
end