Sha256: 0d3c0c69d8c18159bdee1cfbf2ffee6b8e7b9471c05838c120ce9a617bd2df92
Contents?: true
Size: 1.81 KB
Versions: 17
Compression:
Stored size: 1.81 KB
Contents
require 'opal/cli_runners'
require 'opal/paths'
module Opal
module CliRunners
class Nodejs
def initialize(output)
@output ||= output
end
attr_reader :output, :exit_status
def puts(*args)
output.puts(*args)
end
def node_modules
File.expand_path('../stdlib/nodejs/node_modules', ::Opal.gem_dir)
end
def run(code, argv)
require 'tempfile'
tempfile = Tempfile.new('opal-nodejs-runner-')
# tempfile = File.new('opal-nodejs-runner.js', 'w') # for debugging
tempfile.write code
tempfile.close
system_with_output({'NODE_PATH' => node_modules}, 'node', tempfile.path , *argv)
rescue Errno::ENOENT
raise MissingNodeJS, 'Please install Node.js to be able to run Opal scripts.'
end
# Let's support fake IO objects like StringIO
def system_with_output(env, *cmd)
if IO.try_convert(output)
system(env,*cmd)
@exit_status = $?.exitstatus
return
end
if RUBY_PLATFORM == 'java'
# JRuby has issues in dealing with subprocesses (at least up to 1.7.15)
# @headius told me it's mostly fixed on master, but while we wait for it
# to ship here's a tempfile workaround.
require 'tempfile'
require 'shellwords'
tempfile = Tempfile.new('opal-node-output')
system(env,cmd.shelljoin+" > #{tempfile.path}")
@exit_status = $?.exitstatus
captured_output = File.read tempfile.path
tempfile.close
else
require 'open3'
captured_output, status = Open3.capture2(env,*cmd)
@exit_status = status.exitstatus
end
output.write captured_output
end
class MissingNodeJS < RunnerError
end
end
end
end
Version data entries
17 entries across 17 versions & 2 rubygems