import { useEffect, useState } from 'react';
import { off, on } from './misc/util';
var defaultState = {
    acceleration: {
        x: null,
        y: null,
        z: null,
    },
    accelerationIncludingGravity: {
        x: null,
        y: null,
        z: null,
    },
    rotationRate: {
        alpha: null,
        beta: null,
        gamma: null,
    },
    interval: 16,
};
var useMotion = function (initialState) {
    if (initialState === void 0) { initialState = defaultState; }
    var _a = useState(initialState), state = _a[0], setState = _a[1];
    useEffect(function () {
        var handler = function (event) {
            var acceleration = event.acceleration, accelerationIncludingGravity = event.accelerationIncludingGravity, rotationRate = event.rotationRate, interval = event.interval;
            setState({
                acceleration: {
                    x: acceleration.x,
                    y: acceleration.y,
                    z: acceleration.z,
                },
                accelerationIncludingGravity: {
                    x: accelerationIncludingGravity.x,
                    y: accelerationIncludingGravity.y,
                    z: accelerationIncludingGravity.z,
                },
                rotationRate: {
                    alpha: rotationRate.alpha,
                    beta: rotationRate.beta,
                    gamma: rotationRate.gamma,
                },
                interval: interval,
            });
        };
        on(window, 'devicemotion', handler);
        return function () {
            off(window, 'devicemotion', handler);
        };
    }, []);
    return state;
};
export default useMotion;