Function parseStreamPartLine

src/stream-parts.ts:8–28

(line: string)

}

export function parseStreamPartLine(line: string): StreamPart | null {
  const trimmed = line.trim();
  if (!trimmed) {
    return null;
  }

  try {
    const part = JSON.parse(trimmed) as StreamPart;
    if (
      (part.kind === "reasoning" || part.kind === "content") &&
      typeof part.delta === "string" &&
      part.delta.length > 0
    ) {
      return part;
    }
  } catch {
    // fall through to multi-object parse
  }

  return parseStreamPartsText(trimmed).parts[0] ?? null;
}

/** Parse one or more glued NDJSON stream objects from text. */
export function parseStreamPartsText(text: string): {