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30 lines
682 B
JavaScript
30 lines
682 B
JavaScript
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var baseGetTag = require('./_baseGetTag'),
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isObjectLike = require('./isObjectLike');
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/** `Object#toString` result references. */
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var symbolTag = '[object Symbol]';
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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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* @static
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* @memberOf _
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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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return typeof value == 'symbol' ||
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(isObjectLike(value) && baseGetTag(value) == symbolTag);
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}
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module.exports = isSymbol;
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