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var call = require('../internals/function-call');
var getBuiltIn = require('../internals/get-built-in');
var wellKnownSymbol = require('../internals/well-known-symbol');
var defineBuiltIn = require('../internals/define-built-in');
module.exports = function () {
var Symbol = getBuiltIn('Symbol');
var SymbolPrototype = Symbol && Symbol.prototype;
var valueOf = SymbolPrototype && SymbolPrototype.valueOf;
var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
if (SymbolPrototype && !SymbolPrototype[TO_PRIMITIVE]) {
// `Symbol.prototype[@@toPrimitive]` method
// https://tc39.es/ecma262/#sec-symbol.prototype-@@toprimitive
// eslint-disable-next-line no-unused-vars -- required for .length
defineBuiltIn(SymbolPrototype, TO_PRIMITIVE, function (hint) {
return call(valueOf, this);
}, { arity: 1 });
}
};