Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
853 bytes
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1 | var ListCache = require('./_ListCache'),
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2 | Map = require('./_Map'),
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3 | MapCache = require('./_MapCache');
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4 |
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5 | /** Used as the size to enable large array optimizations. */
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6 | var LARGE_ARRAY_SIZE = 200;
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7 |
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8 | /**
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9 | * Sets the stack `key` to `value`.
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10 | *
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11 | * @private
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12 | * @name set
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13 | * @memberOf Stack
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14 | * @param {string} key The key of the value to set.
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15 | * @param {*} value The value to set.
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16 | * @returns {Object} Returns the stack cache instance.
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17 | */
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18 | function stackSet(key, value) {
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19 | var data = this.__data__;
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20 | if (data instanceof ListCache) {
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21 | var pairs = data.__data__;
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22 | if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
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23 | pairs.push([key, value]);
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24 | this.size = ++data.size;
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25 | return this;
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26 | }
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27 | data = this.__data__ = new MapCache(pairs);
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28 | }
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29 | data.set(key, value);
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30 | this.size = data.size;
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31 | return this;
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32 | }
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33 |
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34 | module.exports = stackSet;
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