Function jsonlLineForWrite

src/proxy/mailbox/store.js:102–114

(obj, opts = {})

// regular files that POSIX local filesystems do, so the removal above is
// equally valid on Windows. No platform-specific code is needed here.
function jsonlLineForWrite(obj, opts = {}) {
  const line = JSON.stringify(obj) + '\n';
  const maxLineBytes = Math.max(1, Math.floor(Number(opts.maxLineBytes) || resolveMaxJsonlLineBytes()));
  const lineBytes = Buffer.byteLength(line, 'utf8');
  if (lineBytes > maxLineBytes) {
    const err = new Error(`mailbox JSONL line is ${lineBytes} bytes; maximum is ${maxLineBytes} bytes`);
    err.code = 'MAILBOX_JSONL_LINE_TOO_LARGE';
    err.lineBytes = lineBytes;
    err.maxLineBytes = maxLineBytes;
    throw err;
  }
  return line;
}

function appendLine(filePath, obj) {
  const line = jsonlLineForWrite(obj);