var createCompounder = require('./internal/createCompounder');

/**
 * Converts `string`, as space separated words, to lower case.
 *
 * @static
 * @memberOf _
 * @category String
 * @param {string} [string=''] The string to convert.
 * @returns {string} Returns the lower cased string.
 * @example
 *
 * _.lowerCase('--Foo-Bar');
 * // => 'foo bar'
 *
 * _.lowerCase('fooBar');
 * // => 'foo bar'
 *
 * _.lowerCase('__FOO_BAR__');
 * // => 'foo bar'
 */
var lowerCase = createCompounder(function(result, word, index) {
  return result + (index ? ' ' : '') + word.toLowerCase();
});

module.exports = lowerCase;
