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22 lines
520 B
JavaScript
22 lines
520 B
JavaScript
import isSymbol from '../isSymbol.js'
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/** Used as references for various `Number` constants. */
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const 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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const 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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