/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
export const formatMemoryUsage = (bytes) => {
    const gb = bytes / (1024 * 1024 * 1024);
    if (bytes < 1024 * 1024) {
        return `${(bytes / 1024).toFixed(1)} KB`;
    }
    if (bytes < 1024 * 1024 * 1024) {
        return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
    }
    return `${gb.toFixed(2)} GB`;
};
/**
 * Formats a duration in milliseconds into a concise, human-readable string (e.g., "1h 5s").
 * It omits any time units that are zero.
 * @param milliseconds The duration in milliseconds.
 * @returns A formatted string representing the duration.
 */
export const formatDuration = (milliseconds) => {
    if (milliseconds <= 0) {
        return '0s';
    }
    if (milliseconds < 1000) {
        return `${Math.round(milliseconds)}ms`;
    }
    const totalSeconds = milliseconds / 1000;
    if (totalSeconds < 60) {
        return `${totalSeconds.toFixed(1)}s`;
    }
    const hours = Math.floor(totalSeconds / 3600);
    const minutes = Math.floor((totalSeconds % 3600) / 60);
    const seconds = Math.floor(totalSeconds % 60);
    const parts = [];
    if (hours > 0) {
        parts.push(`${hours}h`);
    }
    if (minutes > 0) {
        parts.push(`${minutes}m`);
    }
    if (seconds > 0) {
        parts.push(`${seconds}s`);
    }
    // If all parts are zero (e.g., exactly 1 hour), return the largest unit.
    if (parts.length === 0) {
        if (hours > 0)
            return `${hours}h`;
        if (minutes > 0)
            return `${minutes}m`;
        return `${seconds}s`;
    }
    return parts.join(' ');
};
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