text: import os
  import subprocess
  
  from org.transcrypt import utils
  
  closureCompilerPath = '{}/closure_compiler/compiler.jar'.format (os.path.dirname (os.path.abspath (__file__)) .replace ('\\', '/'))
  
  def run (sourcePath, targetPath, postMapPath, javaScriptVersion):
  	params = [
  		'java', '-jar',
  		closureCompilerPath,
  		'--language_in=ES{}'.format (javaScriptVersion),
  		'--language_out=ECMASCRIPT5_STRICT',
  		'--compilation_level', 'SIMPLE_OPTIMIZATIONS',
  		'--js', sourcePath,
  		'--js_output_file', targetPath
  	]
  	
  	if utils.commandArgs.map:
  		params += [
  			'--create_source_map', postMapPath,
  			'--source_map_format=V3'
  		]
  
  	subprocess.run (params)
  