/**
 * Copyright 2018-present Facebook.
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 * @format
 */

export function parseFlipperPorts(
  envVar: string,
): {insecure: number; secure: number} | undefined {
  const components = envVar.split(',');
  const ports = components.map(x => parseInt(x, 10));

  // Malformed numbers will get parsed to NaN which is not > 0
  if (
    ports.length === 2 &&
    components.every(x => /^[0-9]+$/.test(x)) &&
    ports.every(x => x > 0)
  ) {
    return {
      insecure: ports[0],
      secure: ports[1],
    };
  }
}