[6a3a178] | 1 | var baseToString = require('./_baseToString'),
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| 2 | castSlice = require('./_castSlice'),
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| 3 | hasUnicode = require('./_hasUnicode'),
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| 4 | isIterateeCall = require('./_isIterateeCall'),
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| 5 | isRegExp = require('./isRegExp'),
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| 6 | stringToArray = require('./_stringToArray'),
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| 7 | toString = require('./toString');
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| 8 |
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| 9 | /** Used as references for the maximum length and index of an array. */
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| 10 | var MAX_ARRAY_LENGTH = 4294967295;
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| 11 |
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| 12 | /**
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| 13 | * Splits `string` by `separator`.
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| 14 | *
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| 15 | * **Note:** This method is based on
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| 16 | * [`String#split`](https://mdn.io/String/split).
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| 17 | *
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| 18 | * @static
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| 19 | * @memberOf _
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| 20 | * @since 4.0.0
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| 21 | * @category String
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| 22 | * @param {string} [string=''] The string to split.
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| 23 | * @param {RegExp|string} separator The separator pattern to split by.
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| 24 | * @param {number} [limit] The length to truncate results to.
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| 25 | * @returns {Array} Returns the string segments.
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| 26 | * @example
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| 27 | *
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| 28 | * _.split('a-b-c', '-', 2);
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| 29 | * // => ['a', 'b']
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| 30 | */
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| 31 | function split(string, separator, limit) {
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| 32 | if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
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| 33 | separator = limit = undefined;
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| 34 | }
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| 35 | limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
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| 36 | if (!limit) {
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| 37 | return [];
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| 38 | }
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| 39 | string = toString(string);
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| 40 | if (string && (
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| 41 | typeof separator == 'string' ||
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| 42 | (separator != null && !isRegExp(separator))
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| 43 | )) {
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| 44 | separator = baseToString(separator);
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| 45 | if (!separator && hasUnicode(string)) {
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| 46 | return castSlice(stringToArray(string), 0, limit);
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| 47 | }
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| 48 | }
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| 49 | return string.split(separator, limit);
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| 50 | }
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| 51 |
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| 52 | module.exports = split;
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