import { useFocusedAnimation, TICK_INTERVAL } from "../components/AnimationContext.js";
const BLINK_INTERVAL_MS = 600;
/**
 * Synchronized blink hook.
 *
 * All instances derive visibility from the same global animation clock,
 * so every blinking element toggles in unison.
 *
 * @returns `true` when the element should be visible, `false` when hidden.
 *          Always returns `true` when `enabled` is `false`.
 */
export function useBlink(enabled, intervalMs = BLINK_INTERVAL_MS) {
    const { active: isActive, tick } = useFocusedAnimation(enabled);
    if (!isActive)
        return true;
    return Math.floor((tick * TICK_INTERVAL) / intervalMs) % 2 === 0;
}
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