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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 12 days ago |
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Fix frontend appearance
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Property mode
set to
100644
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File size:
908 bytes
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| 1 | 'use strict';
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| 2 | // TODO: Remove from `core-js@4`
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| 3 | var DESCRIPTORS = require('../internals/descriptors');
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| 4 | var addToUnscopables = require('../internals/add-to-unscopables');
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| 5 | var toObject = require('../internals/to-object');
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| 6 | var lengthOfArrayLike = require('../internals/length-of-array-like');
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| 7 | var defineBuiltInAccessor = require('../internals/define-built-in-accessor');
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| 8 |
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| 9 | // `Array.prototype.lastIndex` accessor
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| 10 | // https://github.com/tc39/proposal-array-last
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| 11 | if (DESCRIPTORS) {
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| 12 | defineBuiltInAccessor(Array.prototype, 'lastItem', {
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| 13 | configurable: true,
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| 14 | get: function lastItem() {
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| 15 | var O = toObject(this);
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| 16 | var len = lengthOfArrayLike(O);
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| 17 | return len === 0 ? undefined : O[len - 1];
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| 18 | },
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| 19 | set: function lastItem(value) {
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| 20 | var O = toObject(this);
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| 21 | var len = lengthOfArrayLike(O);
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| 22 | return O[len === 0 ? 0 : len - 1] = value;
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| 23 | }
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| 24 | });
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| 25 |
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| 26 | addToUnscopables('lastItem');
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| 27 | }
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