| 1 | var baseGetTag = require('./_baseGetTag'),
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| 2 | isObjectLike = require('./isObjectLike');
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| 3 |
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| 4 | /** `Object#toString` result references. */
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| 5 | var symbolTag = '[object Symbol]';
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| 6 |
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| 7 | /**
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| 8 | * Checks if `value` is classified as a `Symbol` primitive or object.
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| 9 | *
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| 10 | * @static
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| 11 | * @memberOf _
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| 12 | * @since 4.0.0
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| 13 | * @category Lang
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| 14 | * @param {*} value The value to check.
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| 15 | * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
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| 16 | * @example
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| 17 | *
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| 18 | * _.isSymbol(Symbol.iterator);
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| 19 | * // => true
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| 20 | *
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| 21 | * _.isSymbol('abc');
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| 22 | * // => false
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| 23 | */
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| 24 | function isSymbol(value) {
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| 25 | return typeof value == 'symbol' ||
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| 26 | (isObjectLike(value) && baseGetTag(value) == symbolTag);
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| 27 | }
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| 28 |
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| 29 | module.exports = isSymbol;
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