Function processAndCombinePrompts

extensions/cli/src/util/promptProcessor.ts:11–38

(
  additionalPrompts?: string[],
  initialPrompt?: string,
)

 * @returns Combined prompt string or undefined if no prompts
 */
export async function processAndCombinePrompts(
  additionalPrompts?: string[],
  initialPrompt?: string,
): Promise<string | undefined> {
  if (!additionalPrompts || additionalPrompts.length === 0) {
    return initialPrompt;
  }

  const processedPrompts: string[] = [];

  for (const promptSpec of additionalPrompts) {
    try {
      const processed = await processRule(promptSpec);
      processedPrompts.push(processed);
    } catch (error: any) {
      logger.warn(`Failed to process prompt "${promptSpec}": ${error.message}`);
    }
  }

  if (processedPrompts.length === 0) {
    return initialPrompt;
  }

  const combinedPrompts = processedPrompts.join("\n\n");
  return initialPrompt
    ? `${combinedPrompts}\n\n${initialPrompt}`
    : combinedPrompts;
}

// Merges two prompts with new lines between them, handling undefined
export function prependPrompt(