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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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File size:
1.3 KB
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1 | 'use strict';
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2 |
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3 | var ToIntegerOrInfinity = require('es-abstract/2024/ToIntegerOrInfinity');
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4 | var ToLength = require('es-abstract/2024/ToLength');
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5 | var ToObject = require('es-object-atoms/ToObject');
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6 | var SameValueZero = require('es-abstract/2024/SameValueZero');
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7 | var $isNaN = require('es-abstract/helpers/isNaN');
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8 | var $isFinite = require('es-abstract/helpers/isFinite');
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9 | var GetIntrinsic = require('get-intrinsic');
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10 | var callBound = require('call-bind/callBound');
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11 | var isString = require('is-string');
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12 |
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13 | var $charAt = callBound('String.prototype.charAt');
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14 | var $indexOf = GetIntrinsic('%Array.prototype.indexOf%'); // TODO: use callBind.apply without breaking IE 8
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15 | var $max = GetIntrinsic('%Math.max%');
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16 |
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17 | module.exports = function includes(searchElement) {
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18 | var fromIndex = arguments.length > 1 ? ToIntegerOrInfinity(arguments[1]) : 0;
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19 | if ($indexOf && !$isNaN(searchElement) && $isFinite(fromIndex) && typeof searchElement !== 'undefined') {
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20 | return $indexOf.apply(this, arguments) > -1;
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21 | }
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22 |
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23 | var O = ToObject(this);
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24 | var length = ToLength(O.length);
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25 | if (length === 0) {
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26 | return false;
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27 | }
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28 | var k = fromIndex >= 0 ? fromIndex : $max(0, length + fromIndex);
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29 | while (k < length) {
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30 | if (SameValueZero(searchElement, isString(O) ? $charAt(O, k) : O[k])) {
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31 | return true;
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32 | }
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33 | k += 1;
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34 | }
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35 | return false;
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36 | };
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