| [d565449] | 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | var react_1 = require("react");
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| 4 | var util_1 = require("./misc/util");
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| 5 | var nav = util_1.isNavigator ? navigator : undefined;
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| 6 | var conn = nav && (nav.connection || nav.mozConnection || nav.webkitConnection);
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| 7 | function getConnectionState(previousState) {
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| 8 | var online = nav === null || nav === void 0 ? void 0 : nav.onLine;
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| 9 | var previousOnline = previousState === null || previousState === void 0 ? void 0 : previousState.online;
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| 10 | return {
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| 11 | online: online,
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| 12 | previous: previousOnline,
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| 13 | since: online !== previousOnline ? new Date() : previousState === null || previousState === void 0 ? void 0 : previousState.since,
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| 14 | downlink: conn === null || conn === void 0 ? void 0 : conn.downlink,
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| 15 | downlinkMax: conn === null || conn === void 0 ? void 0 : conn.downlinkMax,
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| 16 | effectiveType: conn === null || conn === void 0 ? void 0 : conn.effectiveType,
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| 17 | rtt: conn === null || conn === void 0 ? void 0 : conn.rtt,
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| 18 | saveData: conn === null || conn === void 0 ? void 0 : conn.saveData,
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| 19 | type: conn === null || conn === void 0 ? void 0 : conn.type,
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| 20 | };
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| 21 | }
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| 22 | function useNetworkState(initialState) {
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| 23 | var _a = react_1.useState(initialState !== null && initialState !== void 0 ? initialState : getConnectionState), state = _a[0], setState = _a[1];
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| 24 | react_1.useEffect(function () {
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| 25 | var handleStateChange = function () {
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| 26 | setState(getConnectionState);
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| 27 | };
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| 28 | util_1.on(window, 'online', handleStateChange, { passive: true });
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| 29 | util_1.on(window, 'offline', handleStateChange, { passive: true });
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| 30 | if (conn) {
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| 31 | util_1.on(conn, 'change', handleStateChange, { passive: true });
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| 32 | }
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| 33 | return function () {
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| 34 | util_1.off(window, 'online', handleStateChange);
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| 35 | util_1.off(window, 'offline', handleStateChange);
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| 36 | if (conn) {
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| 37 | util_1.off(conn, 'change', handleStateChange);
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| 38 | }
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| 39 | };
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| 40 | }, []);
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| 41 | return state;
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| 42 | }
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| 43 | exports.default = useNetworkState;
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