/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { useState, useEffect } from 'react';
/**
 * Returns true after a specified delay of inactivity.
 * Inactivity is defined as 'trigger' not changing for 'delayMs' milliseconds.
 *
 * @param isActive Whether the timer should be running.
 * @param trigger Any value that, when changed, resets the inactivity timer.
 * @param delayMs The delay in milliseconds before considering the state inactive.
 */
export const useInactivityTimer = (isActive, trigger, delayMs = 5000) => {
    const [isInactive, setIsInactive] = useState(false);
    useEffect(() => {
        if (!isActive) {
            setIsInactive(false);
            return;
        }
        setIsInactive(false);
        const timer = setTimeout(() => {
            setIsInactive(true);
        }, delayMs);
        return () => clearTimeout(timer);
    }, [isActive, trigger, delayMs]);
    return isInactive;
};
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