44 lines
2.1 KiB
JavaScript
44 lines
2.1 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var react_1 = require("react");
|
|
var util_1 = require("./misc/util");
|
|
var nav = util_1.isNavigator ? navigator : undefined;
|
|
var conn = nav && (nav.connection || nav.mozConnection || nav.webkitConnection);
|
|
function getConnectionState(previousState) {
|
|
var online = nav === null || nav === void 0 ? void 0 : nav.onLine;
|
|
var previousOnline = previousState === null || previousState === void 0 ? void 0 : previousState.online;
|
|
return {
|
|
online: online,
|
|
previous: previousOnline,
|
|
since: online !== previousOnline ? new Date() : previousState === null || previousState === void 0 ? void 0 : previousState.since,
|
|
downlink: conn === null || conn === void 0 ? void 0 : conn.downlink,
|
|
downlinkMax: conn === null || conn === void 0 ? void 0 : conn.downlinkMax,
|
|
effectiveType: conn === null || conn === void 0 ? void 0 : conn.effectiveType,
|
|
rtt: conn === null || conn === void 0 ? void 0 : conn.rtt,
|
|
saveData: conn === null || conn === void 0 ? void 0 : conn.saveData,
|
|
type: conn === null || conn === void 0 ? void 0 : conn.type,
|
|
};
|
|
}
|
|
function useNetworkState(initialState) {
|
|
var _a = react_1.useState(initialState !== null && initialState !== void 0 ? initialState : getConnectionState), state = _a[0], setState = _a[1];
|
|
react_1.useEffect(function () {
|
|
var handleStateChange = function () {
|
|
setState(getConnectionState);
|
|
};
|
|
util_1.on(window, 'online', handleStateChange, { passive: true });
|
|
util_1.on(window, 'offline', handleStateChange, { passive: true });
|
|
if (conn) {
|
|
util_1.on(conn, 'change', handleStateChange, { passive: true });
|
|
}
|
|
return function () {
|
|
util_1.off(window, 'online', handleStateChange);
|
|
util_1.off(window, 'offline', handleStateChange);
|
|
if (conn) {
|
|
util_1.off(conn, 'change', handleStateChange);
|
|
}
|
|
};
|
|
}, []);
|
|
return state;
|
|
}
|
|
exports.default = useNetworkState;
|