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21 lines
521 B
21 lines
521 B
import isSymbol from './isSymbol.js'; |
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/** Used as references for various `Number` constants. */ |
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var INFINITY = 1 / 0; |
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/** |
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* Converts `value` to a string key if it's not a string or symbol. |
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* |
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* @private |
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* @param {*} value The value to inspect. |
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* @returns {string|symbol} Returns the key. |
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*/ |
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function toKey(value) { |
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if (typeof value == 'string' || isSymbol(value)) { |
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return value; |
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} |
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var result = (value + ''); |
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return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; |
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} |
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export default toKey;
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