Function parseBatchRows

packages/cli/src/commands/batchRender.ts:98–121

(raw: string, source: string)

}

export function parseBatchRows(raw: string, source: string): Record<string, unknown>[] {
  const parsed = parseJson(raw, source);
  const rows = Array.isArray(parsed) ? parsed : isRecord(parsed) ? parsed.rows : undefined;

  if (!Array.isArray(rows)) {
    throw new BatchRenderInputError(
      "Invalid batch payload",
      '--batch must be a JSON array of objects, or an object with a "rows" array.',
    );
  }
  if (rows.length === 0) {
    throw new BatchRenderInputError("Empty batch", `${source} contains zero rows.`);
  }

  return rows.map((row, index) => {
    if (!isRecord(row)) {
      throw new BatchRenderInputError(
        "Invalid batch row",
        `Row ${index} must be a JSON object of variable values.`,
      );
    }
    return row;
  });
}

function placeholderValue(row: Record<string, unknown>, key: string, index: number): string {
  if (key === "index") return String(index);