@juspay/neurolink/dist/cli/utils/serverUtils.d.ts

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/**
 * Server Utilities for NeuroLink CLI
 * Shared utility functions for server management commands (serve.ts and server.ts)
 */
/**
 * Get the base directory for NeuroLink state files
 * @returns Path to ~/.neurolink directory
 */
export declare function getNeuroLinkDir(): string;
/**
 * Ensure the NeuroLink state directory exists
 * Creates ~/.neurolink if it doesn't exist
 */
export declare function ensureStateDir(): void;
/**
 * Check if a process with the given PID is currently running
 *
 * Uses `process.kill(pid, 0)` which tests if a process exists without sending a signal.
 *
 * **Platform Behavior:**
 * - **Unix/Linux/macOS**: Returns `true` if process exists, `false` if not.
 *   If the process exists but belongs to another user, returns `true` (via EPERM check).
 * - **Windows**: Behavior differs - `process.kill(pid, 0)` may throw even for existing
 *   processes if they are system processes or have restricted access. This function
 *   handles EPERM by returning `true`, but other Windows-specific errors may occur.
 *   For more reliable Windows process detection, consider using `tasklist` command.
 *
 * @param pid - Process ID to check
 * @returns true if the process is running, false otherwise
 */
export declare function isProcessRunning(pid: number): boolean;
/**
 * Format a duration in milliseconds to a human-readable uptime string
 * @param ms - Duration in milliseconds
 * @returns Formatted string like "2d 5h 30m" or "45m 30s"
 */
export declare function formatUptime(ms: number): string;
/**
 * Generic state file manager for server state persistence
 * @template T - Type of the state object
 */
export declare class StateFileManager<T> {
    private filePath;
    /**
     * Create a new state file manager
     * @param filename - Name of the state file (e.g., "serve-state.json")
     * @param baseDir - Optional base directory (defaults to ~/.neurolink)
     */
    constructor(filename: string, baseDir?: string);
    /**
     * Get the full path to the state file
     */
    getFilePath(): string;
    /**
     * Save state to the state file
     * @param state - State object to save
     */
    save(state: T): void;
    /**
     * Load state from the state file
     * @returns The state object, or null if the file doesn't exist or is invalid
     */
    load(): T | null;
    /**
     * Clear (delete) the state file
     */
    clear(): void;
    /**
     * Check if state file exists
     */
    exists(): boolean;
}