function normalizeAdAccountID()

in src/utils/initConfig.js [64:72]

• 9 lines of code
• 4 McCabe index (conditional complexity)

function normalizeAdAccountID(input: any): ?any {
  if (typeof input !== 'string') {
    return null;
  }
  if (input.startsWith('act_')) {
    input = input.substring(4);
  }
  return /^\d+$/.test(input) ? input : null;
}