Top Level Namespace

Defined Under Namespace

Modules: Opal

Constant Summary collapse

SystemRunner = Generic runner that will resort to calling an external program.

->(data, &block) {
 options = data[:options] || {}
 builder = data.fetch(:builder).call
 output = data.fetch(:output)
 env = options.fetch(:env, {})
 debug = options.fetch(:debug, false) || RUBY_ENGINE == 'opal'
 code = builder.to_s
 # Temporary issue with UTF-8, Base64 and source maps
 code += "\n" + builder.source_map.to_data_uri_comment unless RUBY_ENGINE == 'opal'
 ext = builder.output_extension
 tempfile =
 if debug
 File.new("opal-nodejs-runner.#{ext}", 'wb')
 else
 Tempfile.new(['opal-system-runner', ".#{ext}"], mode: File::BINARY)
 end
 tempfile.write code
 cmd = block.call tempfile
 tempfile.close
 if RUBY_PLATFORM == 'opal'
 # Opal doesn't support neither `out:` nor `IO.try_convert` nor `open3`
 system(env, *cmd)
 $?.exitstatus
 elsif IO.try_convert(output) && RUBY_PLATFORM != 'java'
 system(env, *cmd, out: output)
 $?.exitstatus
 else
 # JRuby (v9.2) doesn't support using `out:` to redirect output.
 require 'open3'
 captured_output, status = Open3.capture2(env, *cmd)
 output.write captured_output
 status.exitstatus
 end
}