Function prepareBatchRender

packages/cli/src/commands/batchRender.ts:231–270

(options: PrepareBatchRenderOptions)

}

export function prepareBatchRender(options: PrepareBatchRenderOptions): PreparedBatchRender {
  const batchPath = resolve(options.batchPath);
  const read = options.readFile ?? ((path: string) => readFileSync(path, "utf8"));
  let raw: string;
  try {
    raw = read(batchPath);
  } catch (error: unknown) {
    throw new BatchRenderInputError(
      "Could not read --batch",
      `${batchPath}: ${errorMessage(error)}`,
    );
  }

  const variableRows = parseBatchRows(raw, batchPath);
  const rows = variableRows.map((variables, index) => ({
    index,
    variables,
    outputPath: resolve(resolveOutputTemplate(options.outputTemplate, variables, index)),
  }));
  const manifestPath = join(
    commonOutputDirectory(rows.map((row) => row.outputPath)),
    "manifest.json",
  );
  checkOutputCollisions(rows, manifestPath);

  const variableIssueCount = validateBatchVariables(
    variableRows,
    options.indexPath,
    options.strictVariables,
    options.quiet,
    options.json,
  );

  return {
    batchPath,
    manifestPath,
    variableIssueCount,
    rows,
  };
}

function makeInitialManifest(prepared: PreparedBatchRender): BatchManifest {
  return {