@twilio/video-room-monitor/dist/node/hooks/useIsTrackSwitchedOff/useIsTrackSwitchedOff.js

Twilio Video Room Monitor Javascript Library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = require("react");
// The 'switchedOff' event is emitted when there is not enough bandwidth to support
// a track. See: https://www.twilio.com/docs/video/tutorials/using-bandwidth-profile-api#understanding-track-switch-offs
function useIsTrackSwitchedOff(track) {
    const [isSwitchedOff, setIsSwitchedOff] = (0, react_1.useState)(track && track.isSwitchedOff);
    (0, react_1.useEffect)(() => {
        // Reset the value if the 'track' variable changes
        setIsSwitchedOff(track && track.isSwitchedOff);
        if (track) {
            const handleSwitchedOff = () => setIsSwitchedOff(true);
            const handleSwitchedOn = () => setIsSwitchedOff(false);
            track.on('switchedOff', handleSwitchedOff);
            track.on('switchedOn', handleSwitchedOn);
            return () => {
                track.off('switchedOff', handleSwitchedOff);
                track.off('switchedOn', handleSwitchedOn);
            };
        }
    }, [track]);
    return !!isSwitchedOff;
}
exports.default = useIsTrackSwitchedOff;