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;