node.js - 在瀑布对话框中，返回提示时出现“未处理的错误：TypeError：将循环结构转换为 JSON”

Question

async feedbackStep(stepContext) {
    return await stepContext.prompt(CHOICE_PROMPT, {
      prompt: "Please enter your mode of transport.",
      choices: ChoiceFactory.toChoices([
        { value: "my vehicle", synonyms: ["car", "truck"] },
        { value: "public transporation", synonyms: ["bus", "shuttle"] },
        { value: "slowly", synonyms: ["walk", "bicycle"] },
      ]),
    });
  }

提示问题也显示在机器人中。当涉及到choiceFactor.toChoices 时，它会引发错误。

标签： node.jsbotframeworkbots