text: 'use strict';
  
  /**
   * Normalize option value. `true` → `[true]`
   */
  
  module.exports = function normalizeOptions(opts) {
  	Object.keys(opts).forEach(function (option) {
  		if (option.indexOf('-empty-line-before') > 0) {
  			if (!Array.isArray(opts[option])) {
  				opts[option] = [opts[option]];
  			}
  		}
  	});
  
  	return opts;
  };
  