code: function _parseConfig(config) {
    const _config = Object.assign({}, {
      filename:module.parent.filename,
      scope: settings.get('scope') || {},
      includeGlobals:false,
      proxyGlobal:true,
      useSandbox: settings.get('useSandbox') || false,
      workspace: [workspaces.DEFAULT_WORKSPACE],
      squashErrors: !!(config.resolver || {}).squashErrors
    }, config);
  
    if (isBuffer(_config.content)) _config.content = _config.content.toString();
  
    return _config;
  }
docs: Parse a config, adding defaults.
  
  @private
  @param {Object} config       Config to parse.
  @returns {Object}            Parsed config.