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58 lines
2.3 KiB
Plaintext
58 lines
2.3 KiB
Plaintext
import { __assign, __read } from "tslib";
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import { useEffect, useState } from 'react';
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import { isObject } from '../utils';
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var NetworkEventType;
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(function (NetworkEventType) {
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NetworkEventType["ONLINE"] = "online";
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NetworkEventType["OFFLINE"] = "offline";
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NetworkEventType["CHANGE"] = "change";
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})(NetworkEventType || (NetworkEventType = {}));
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function getConnection() {
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var nav = navigator;
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if (!isObject(nav)) {
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return null;
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}
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return nav.connection || nav.mozConnection || nav.webkitConnection;
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}
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function getConnectionProperty() {
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var c = getConnection();
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if (!c) {
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return {};
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}
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return {
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rtt: c.rtt,
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type: c.type,
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saveData: c.saveData,
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downlink: c.downlink,
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downlinkMax: c.downlinkMax,
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effectiveType: c.effectiveType,
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};
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}
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function useNetwork() {
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var _a = __read(useState(function () {
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return __assign({ since: undefined, online: navigator === null || navigator === void 0 ? void 0 : navigator.onLine }, getConnectionProperty());
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}), 2), state = _a[0], setState = _a[1];
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useEffect(function () {
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var onOnline = function () {
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setState(function (prevState) { return (__assign(__assign({}, prevState), { online: true, since: new Date() })); });
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};
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var onOffline = function () {
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setState(function (prevState) { return (__assign(__assign({}, prevState), { online: false, since: new Date() })); });
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};
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var onConnectionChange = function () {
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setState(function (prevState) { return (__assign(__assign({}, prevState), getConnectionProperty())); });
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};
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window.addEventListener(NetworkEventType.ONLINE, onOnline);
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window.addEventListener(NetworkEventType.OFFLINE, onOffline);
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var connection = getConnection();
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connection === null || connection === void 0 ? void 0 : connection.addEventListener(NetworkEventType.CHANGE, onConnectionChange);
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return function () {
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window.removeEventListener(NetworkEventType.ONLINE, onOnline);
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window.removeEventListener(NetworkEventType.OFFLINE, onOffline);
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connection === null || connection === void 0 ? void 0 : connection.removeEventListener(NetworkEventType.CHANGE, onConnectionChange);
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};
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}, []);
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return state;
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}
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export default useNetwork;
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