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4 years ago
'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $String = GetIntrinsic('%String%');
var ToPrimitive = require('./ToPrimitive');
var ToString = require('./ToString');
// https://www.ecma-international.org/ecma-262/6.0/#sec-topropertykey
module.exports = function ToPropertyKey(argument) {
var key = ToPrimitive(argument, $String);
return typeof key === 'symbol' ? key : ToString(key);
};