shell bypass 403
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = symbolObservablePonyfill;
function symbolObservablePonyfill(root) {
var result;
var _Symbol = root.Symbol;
if (typeof _Symbol === 'function') {
if (_Symbol.observable) {
result = _Symbol.observable;
} else {
result = _Symbol('observable');
_Symbol.observable = result;
}
} else {
result = '@@observable';
}
return result;
};