Wrapping a child process as a class and communicate in electron

communicate-with-child-process.coffee

remote = global.require "remote"
child_process = remote.require "child_process"

class Foo
  start: ->
    @child = child_process.spawn "fooProgram", [barArgument]

  doFooBar: (arg1, callback) ->
    @child.stdin.write arg1

    @child.stdout.once "data", (chunk) ->
      callback null, chunk.toString()

    @child.stderr.once "data", (chunk) ->
      callback chunk.toString(), null
      
foo = new Foo
foo.start()
foo.doFooBar (err, result) ->
  console.log err, result