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34 lines
851 B
34 lines
851 B
import ListCache from './_ListCache.js'; |
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import Map from './_Map.js'; |
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import MapCache from './_MapCache.js'; |
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/** Used as the size to enable large array optimizations. */ |
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var LARGE_ARRAY_SIZE = 200; |
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/** |
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* Sets the stack `key` to `value`. |
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* |
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* @private |
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* @name set |
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* @memberOf Stack |
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* @param {string} key The key of the value to set. |
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* @param {*} value The value to set. |
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* @returns {Object} Returns the stack cache instance. |
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*/ |
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function stackSet(key, value) { |
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var data = this.__data__; |
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if (data instanceof ListCache) { |
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var pairs = data.__data__; |
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if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) { |
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pairs.push([key, value]); |
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this.size = ++data.size; |
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return this; |
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} |
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data = this.__data__ = new MapCache(pairs); |
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} |
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data.set(key, value); |
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this.size = data.size; |
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return this; |
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} |
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export default stackSet;
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