@aws-amplify/core
Version:
Core category of aws-amplify
54 lines • 2.43 kB
JavaScript
import { __values } from "tslib";
import { browserOrNode, isWebWorker } from '@aws-amplify/core';
import Observable from 'zen-observable-ts';
var ReachabilityNavigator = /** @class */ (function () {
function ReachabilityNavigator() {
}
ReachabilityNavigator.prototype.networkMonitor = function (netInfo) {
if (browserOrNode().isNode) {
return Observable.from([{ online: true }]);
}
var globalObj = isWebWorker() ? self : window;
return new Observable(function (observer) {
observer.next({ online: globalObj.navigator.onLine });
var notifyOnline = function () { return observer.next({ online: true }); };
var notifyOffline = function () { return observer.next({ online: false }); };
globalObj.addEventListener('online', notifyOnline);
globalObj.addEventListener('offline', notifyOffline);
ReachabilityNavigator._observers.push(observer);
return function () {
globalObj.removeEventListener('online', notifyOnline);
globalObj.removeEventListener('offline', notifyOffline);
ReachabilityNavigator._observers = ReachabilityNavigator._observers.filter(function (_observer) { return _observer !== observer; });
};
});
};
// expose observers to simulate offline mode for integration testing
ReachabilityNavigator._observerOverride = function (status) {
var e_1, _a;
var _loop_1 = function (observer) {
if (observer.closed) {
ReachabilityNavigator._observers = ReachabilityNavigator._observers.filter(function (_observer) { return _observer !== observer; });
return "continue";
}
observer.next(status);
};
try {
for (var _b = __values(ReachabilityNavigator._observers), _c = _b.next(); !_c.done; _c = _b.next()) {
var observer = _c.value;
_loop_1(observer);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
};
ReachabilityNavigator._observers = [];
return ReachabilityNavigator;
}());
export default ReachabilityNavigator;
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