is-native-implemented.js 267 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 8 9 // Exports true if environment provides native `Set` implementation, // whatever that is. 'use strict'; module.exports = (function () { if (typeof Set === 'undefined') return false; return (Object.prototype.toString.call(Set.prototype) === '[object Set]'); }());