lepu-test-platform-web/node_modules/es6-set/is-set.js

13 lines
399 B
JavaScript

'use strict';
var toString = Object.prototype.toString
, toStringTagSymbol = require('es6-symbol').toStringTag
, id = '[object Set]'
, Global = (typeof Set === 'undefined') ? null : Set;
module.exports = function (x) {
return (x && ((Global && ((x instanceof Global) || (x === Global.prototype))) ||
(toString.call(x) === id) || (x[toStringTagSymbol] === 'Set'))) || false;
};