Function formatLogLine

apps/webuiapps/src/lib/logPlugin.ts:33–42

(body: LogBody)

 * Format a single log line using local time (consistent with file name).
 */
export function formatLogLine(body: LogBody): string {
  const d = new Date(body.ts);
  const time =
    `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ` +
    `${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}.${pad3(d.getMilliseconds())}`;
  const argsStr = body.args
    .map((a) => (a !== null && typeof a === 'object' ? JSON.stringify(a) : String(a)))
    .join(' ');
  return `${time} [${body.level.toUpperCase()}] [${body.tag}] ${argsStr}`;
}

type FsLike = Pick<typeof fsType, 'appendFileSync' | 'existsSync' | 'mkdirSync'>;