/**
 * Logs information about a completed HMR to the console, the server (via a
 * `client-hmr-latency` event), and to `self.__NEXT_HMR_LATENCY_CB` (a debugging
 * hook).
 *
 * @param hasUpdate Set this to `false` to avoid reporting the HMR event via a
 *   `client-hmr-latency` event or to `self.__NEXT_HMR_LATENCY_CB`. Used by
 *   turbopack when we must report a message to the browser console (because we
 *   already logged a "rebuilding" message), but it's not a real HMR, so we
 *   don't want to impact our telemetry.
 */ export default function reportHmrLatency(sendMessage, updatedModules, startMsSinceEpoch, endMsSinceEpoch, hasUpdate = true) {
    const latencyMs = endMsSinceEpoch - startMsSinceEpoch;
    console.log(`[Fast Refresh] done in ${latencyMs}ms`);
    if (!hasUpdate) {
        return;
    }
    sendMessage(JSON.stringify({
        event: 'client-hmr-latency',
        id: window.__nextDevClientId,
        startTime: startMsSinceEpoch,
        endTime: endMsSinceEpoch,
        page: window.location.pathname,
        updatedModules,
        // Whether the page (tab) was hidden at the time the event occurred.
        // This can impact the accuracy of the event's timing.
        isPageHidden: document.visibilityState === 'hidden'
    }));
    if (self.__NEXT_HMR_LATENCY_CB) {
        self.__NEXT_HMR_LATENCY_CB(latencyMs);
    }
}

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