Function readJsonl

src/webui/observer/jsonl.js:16–34

(filePath, opts = {})

}

function readJsonl(filePath, opts = {}) {
  try {
    if (!filePath || !fs.existsSync(filePath)) return [];
    const raw = fs.readFileSync(filePath, 'utf8');
    const lines = raw.split('\n').map((line) => line.trim()).filter(Boolean);
    const selected = opts.last ? lines.slice(-toPositiveInt(opts.last, lines.length)) : lines;
    const rows = [];
    for (const line of selected) {
      try {
        rows.push(JSON.parse(line));
      } catch {
        // Corrupt JSONL rows should not break the dashboard.
      }
    }
    return rows;
  } catch {
    return [];
  }
}

function tailText(filePath, maxLines) {
  try {