Function parseFilePathAndFunctionName

src/util/transform.ts:55–62

* Parses a file path string to extract the file path and function name. * Handles Windows drive letters (e.g., C:\path\to\file.js:functionName). * @param filePath - The file path string, potentially including a function name. * @returns A tuple containing the file path and function name (if prese

(filePath: string)

 * @returns A tuple containing the file path and function name (if present).
 */
function parseFilePathAndFunctionName(filePath: string): [string, string | undefined] {
  const lastColonIndex = filePath.lastIndexOf(':');
  // Check if colon is part of Windows drive letter (position 1) or not present
  if (lastColonIndex > 1) {
    return [filePath.slice(0, lastColonIndex), filePath.slice(lastColonIndex + 1)];
  }
  return [filePath, undefined];
}

/**
 * Retrieves a JavaScript transform function from a file.