code: function getBanner (options) {
    if (!options.banner) {
      if (typeof options.pkg === "string") {
        // Read the package.json file
        options.pkg = readJSON(options.pkg);
      }
  
      if (!options.template) {
        // Read the banner template from a file
        options.template = findFile(options.file);
      }
  
      if (options.template) {
        // Compile the banner template
        options.banner = _.template(options.template)({ moment, pkg: options.pkg, });
  
        // Convert the banner to a comment block, if it's not already
        if (!/^\s*(\/\/|\/\*)/.test(options.banner)) {
          options.banner = "/*!\n * " + options.banner.trim().replace(/\n/g, "\n * ") + "\n */\n";
        }
      }
    }
  
    return options.banner;
  }
docs: Returns the banner comment block, based on the given options
  
  @param {object} options
  @param {string} [options.banner] - If set, then this banner will be used exactly as-is
  @param {string} [options.template] - A Lodash template that will be compiled to build the banner
  @param {string} [options.file] - A file containing the Lodash template
  @param {string|object} [options.pkg] - The path (or parsed contents) of the package.json file
  
  @returns {string|undefiend}