HORIZON PROJECT

var root = require('./_root'),

    toString = require('./toString');

/** Used to match leading and trailing whitespace. */

var reTrimStart = /^\s+/;

/* Built-in method references for those with the same name as other `lodash` methods. */

var nativeParseInt = root.parseInt;

/**

 * Converts `string` to an integer of the specified radix. If `radix` is

 * `undefined` or `0`, a `radix` of `10` is used unless `value` is a

 * hexadecimal, in which case a `radix` of `16` is used.

 *

 * **Note:** This method aligns with the

 * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.

 *

 * @static

 * @memberOf _

 * @since 1.1.0

 * @category String

 * @param {string} string The string to convert.

 * @param {number} [radix=10] The radix to interpret `value` by.

 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.

 * @returns {number} Returns the converted integer.

 * @example

 *

 * _.parseInt('08');

 * // => 8

 *

 * _.map(['6', '08', '10'], _.parseInt);

 * // => [6, 8, 10]

 */

function parseInt(string, radix, guard) {

  if (guard || radix == null) {

    radix = 0;

  } else if (radix) {

    radix = +radix;

  }

  return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);

}

module.exports = parseInt;