Promise.allSettled()

{
  Promise.all([
    Promise.reject({
      code: 500,
      msg: "服务异常",
    }),
    Promise.resolve({
      code: 200,
      data: ["1", "2", "3"],
    }),
    Promise.resolve({
      code: 200,
      data: ["4", "5", "6"],
    }),
  ])
    .then((res) => {
      console.log(res);
    })
    .catch((err) => {
      console.log(err); // { code: 500, msg: '服务异常' } 
    });
}
{
  // 无论结果是 fulfilled 还是 rejected, 无需 catch
  Promise.allSettled([
    Promise.reject({
      code: 500,
      msg: "服务异常",
    }),
    Promise.resolve({
      code: 200,
      data: ["1", "2", "3"],
    }),
    Promise.resolve({
      code: 200,
      data: ["4", "5", "6"],
    }),
  ])
    .then((res) => {
      console.log(res);
      /* 
        [
          {
            reason: { code: 500, msg: "服务异常" },
            status: "rejected",
          },
          {
            status: "fulfilled",
            value: {
              code: 200,
              data: ["1", "2", "3"],
            },
          },
          {
            status: "fulfilled",
            value: {
              code: 200,
              data: ["4", "5", "6"],
            },
          },
        ];
      */
      const data = res.filter((item) => item.status === "fulfilled");
      console.log(data);
      /* 
        [
          {
            status: "fulfilled",
            value: {
              code: 200,
              data: ["1", "2", "3"],
            },
          },
          {
            status: "fulfilled",
            value: {
              code: 200,
              data: ["4", "5", "6"],
            },
          },
        ];
      */
    });
}