1. module closure-compiler
   1. function closure-compiler.compile (input, options, callback)
   2. object closure-compiler.OPTIONS
   3. string closure-compiler.JAR_PATH
   4. string closure-compiler.JAVA_PATH

module closure-compiler

function closure-compiler.compile (input, options, callback)

• description and source-code

  compile = function (input, options, callback) {
    var args, compiler, result, stderr, stdout;
    if ('function' === typeof options) {
      callback = options;
      options = OPTIONS;
    } else {
      result = {};
      Object.keys(OPTIONS).forEach(function(key) {
        return result[key] = OPTIONS[key];
      });
      Object.keys(options).forEach(function(key) {
        return result[key] = options[key];
      });
      options = result;
    }
    args = [];
    if (!options.jar) {
      options.jar = JAR_PATH;
    }
    args.push('-jar');
    args.push(options.jar);
    delete options.jar;
    Object.keys(options).forEach(function(key) {
      var i, len, val, value;
      value = options[key];
      if (Array.isArray(value)) {
        for (i = 0, len = value.length; i < len; i++) {
          val = value[i];
          args.push("--" + key);
          args.push(val);
        }
        return;
      }
      if (typeof value === 'boolean' && value === false) {
        return;
      }
      args.push("--" + key);
      if (value !== true) {
        return args.push(value);
      }
    });
    compiler = spawn(JAVA_PATH, args);
    stdout = '';
    stderr = '';
    compiler.stdout.setEncoding('utf8');
    compiler.stderr.setEncoding('utf8');
    compiler.stdout.on('data', function(data) {
      return stdout += data;
    });
    compiler.stderr.on('data', function(data) {
      return stderr += data;
    });
    compiler.on('exit', function(code) {
      var error;
      if (code !== 0) {
        error = new Error(stderr);
        error.code = code;
      } else {
        error = null;
      }
      return callback(error, stdout, stderr);
    });
    return compiler.stdin.end(input);
  }

• example usage

  ...
    }
  
  function aftercompile (err, stdout, stderr) {
    if (err) throw err
    var mycompiledcode = stdout
  }
  
  cc.compile(fs.readFileSync('lib/index.js'), options, aftercompile)
  
  // The same as:
  // $ java -jar path/to/closure.jar --some "flag" --values "1" --values "2"
  ...