mirror of
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10 lines
280 B
JavaScript
10 lines
280 B
JavaScript
"use strict";
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module.exports = function (value) {
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if (!value) return false;
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if (typeof value === "symbol") return true;
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if (!value.constructor) return false;
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if (value.constructor.name !== "Symbol") return false;
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return value[value.constructor.toStringTag] === "Symbol";
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};
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