import createCompounder from './.internal/createCompounder.js';

/**
 * Converts `string`, as space separated words, to lower case.
 *
 * @since 4.0.0
 * @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'
 */
const lowerCase = createCompounder((result, word, index) =>
  result + (index ? ' ' : '') + word.toLowerCase()
);

export default lowerCase;