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