mcp-appstore

"use strict"; var global = require("ext/global-this") , validTypes = { object: true, symbol: true }; module.exports = function () { var Symbol = global.Symbol; var symbol; if (typeof Symbol !== "function") return false; symbol = Symbol("test symbol"); try { String(symbol); } catch (e) { return false; } // Return 'true' also for polyfills if (!validTypes[typeof Symbol.iterator]) return false; if (!validTypes[typeof Symbol.toPrimitive]) return false; if (!validTypes[typeof Symbol.toStringTag]) return false; return true; };