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27 lines
639 B
TypeScript
27 lines
639 B
TypeScript
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// Loaded from https://raw.githubusercontent.com/lodash/lodash/master/isSymbol.js
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import getTag from './.internal/getTag.js'
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/**
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* Checks if `value` is classified as a `Symbol` primitive or object.
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*
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
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* @example
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*
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* isSymbol(Symbol.iterator)
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* // => true
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*
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* isSymbol('abc')
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* // => false
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*/
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function isSymbol(value) {
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const type = typeof value
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return type == 'symbol' || (type === 'object' && value != null && getTag(value) == '[object Symbol]')
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}
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export default isSymbol
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