dotfiles/.vscode/extensions/vscodevim.vim-0.2.0/node_modules/lodash/parseInt.js
Cyryl Płotnicki 280bcab25f VSCode update
2016-09-24 13:12:34 +02:00

49 lines
1.5 KiB
JavaScript

var root = require('./_root'),
toString = require('./toString');
/** Used to match leading and trailing whitespace. */
var reTrim = /^\s+|\s+$/g;
/** Used to detect hexadecimal string values. */
var reHasHexPrefix = /^0x/i;
/* 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) {
// Chrome fails to trim leading <BOM> whitespace characters.
// See https://bugs.chromium.org/p/v8/issues/detail?id=3109 for more details.
if (guard || radix == null) {
radix = 0;
} else if (radix) {
radix = +radix;
}
string = toString(string).replace(reTrim, '');
return nativeParseInt(string, radix || (reHasHexPrefix.test(string) ? 16 : 10));
}
module.exports = parseInt;