Function redactSensitive

packages/logger/index.ts:36–69

(value: unknown, depth = 0)

const MAX_REDACT_DEPTH = 5;

function redactSensitive(value: unknown, depth = 0): unknown {
  if (value instanceof Error) {
    return {
      ...value,
      message: value.message,
      stack: value.stack,
      name: value.name,
    };
  }
  if (
    depth >= MAX_REDACT_DEPTH ||
    value === null ||
    typeof value !== 'object'
  ) {
    return value;
  }
  if (value instanceof Date) {
    return value;
  }
  if (Array.isArray(value)) {
    return value.map((v) => redactSensitive(v, depth + 1));
  }

  const result: Record<string, unknown> = {};
  for (const [key, val] of Object.entries(value as Record<string, unknown>)) {
    const lowered = key.toLowerCase();
    if (SENSITIVE_KEY_PATTERNS.some((k) => lowered.includes(k))) {
      result[key] = '[REDACTED]';
    } else {
      result[key] = redactSensitive(val, depth + 1);
    }
  }
  return result;
}

export function createLogger({ name }: { name: string }): ILogger {
  const service = [process.env.LOG_PREFIX, name, process.env.NODE_ENV ?? 'dev']