| var baseToString = require('./_baseToString'), | |
| castSlice = require('./_castSlice'), | |
| hasUnicode = require('./_hasUnicode'), | |
| isIterateeCall = require('./_isIterateeCall'), | |
| isRegExp = require('./isRegExp'), | |
| stringToArray = require('./_stringToArray'), | |
| toString = require('./toString'); | |
| /** Used as references for the maximum length and index of an array. */ | |
| var MAX_ARRAY_LENGTH = 4294967295; | |
| /** | |
| * Splits `string` by `separator`. | |
| * | |
| * **Note:** This method is based on | |
| * [`String#split`](https://mdn.io/String/split). | |
| * | |
| * @static | |
| * @memberOf _ | |
| * @since 4.0.0 | |
| * @category String | |
| * @param {string} [string=''] The string to split. | |
| * @param {RegExp|string} separator The separator pattern to split by. | |
| * @param {number} [limit] The length to truncate results to. | |
| * @returns {Array} Returns the string segments. | |
| * @example | |
| * | |
| * _.split('a-b-c', '-', 2); | |
| * // => ['a', 'b'] | |
| */ | |
| function split(string, separator, limit) { | |
| if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) { | |
| separator = limit = undefined; | |
| } | |
| limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0; | |
| if (!limit) { | |
| return []; | |
| } | |
| string = toString(string); | |
| if (string && ( | |
| typeof separator == 'string' || | |
| (separator != null && !isRegExp(separator)) | |
| )) { | |
| separator = baseToString(separator); | |
| if (!separator && hasUnicode(string)) { | |
| return castSlice(stringToArray(string), 0, limit); | |
| } | |
| } | |
| return string.split(separator, limit); | |
| } | |
| module.exports = split; |