@mixio-pro/kalaasetu-mcp/src/utils/filename.ts

A powerful Model Context Protocol server providing AI tools for content generation and analysis

import * as path from "path";

/**
 * Generate a timestamped filename to avoid conflicts
 * Format: YYYYMMDD_HHmmss_filename.ext
 * Preserves directory structure if present in the input path
 */
export function generateTimestampedFilename(filePath: string): string {
  const now = new Date();
  const timestamp = now
    .toISOString()
    .replace(/[-:]/g, "")
    .replace(/\.\d{3}Z$/, "")
    .replace("T", "_");

  // Split into directory and filename
  const dir = path.dirname(filePath);
  const basename = path.basename(filePath);

  // Extract extension if present
  const lastDot = basename.lastIndexOf(".");
  let timestampedFilename: string;
  
  if (lastDot > 0) {
    const name = basename.substring(0, lastDot);
    const ext = basename.substring(lastDot);
    timestampedFilename = `${timestamp}_${name}${ext}`;
  } else {
    timestampedFilename = `${timestamp}_${basename}`;
  }

  // Reconstruct the full path
  if (dir === ".") {
    return timestampedFilename;
  }
  
  return path.join(dir, timestampedFilename);
}