mask static method

String mask(
  1. String secret
)

Mask a secret for logs: keep a readable prefix + last 4 chars.

Implementation

static String mask(String secret) {
  if (secret.length <= 12) return '${secret.isEmpty ? '' : secret[0]}***';
  return '${secret.substring(0, 8)}…${secret.substring(secret.length - 4)}';
}