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35 lines
775 B
35 lines
775 B
var assocIndexOf = require('./_assocIndexOf'); |
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/** Used for built-in method references. */ |
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var arrayProto = Array.prototype; |
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/** Built-in value references. */ |
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var splice = arrayProto.splice; |
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/** |
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* Removes `key` and its value from the list cache. |
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* |
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* @private |
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* @name delete |
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* @memberOf ListCache |
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* @param {string} key The key of the value to remove. |
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* @returns {boolean} Returns `true` if the entry was removed, else `false`. |
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*/ |
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function listCacheDelete(key) { |
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var data = this.__data__, |
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index = assocIndexOf(data, key); |
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if (index < 0) { |
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return false; |
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} |
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var lastIndex = data.length - 1; |
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if (index == lastIndex) { |
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data.pop(); |
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} else { |
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splice.call(data, index, 1); |
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} |
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--this.size; |
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return true; |
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} |
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module.exports = listCacheDelete;
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