vue/src/api/interceptor.ts

import axios from 'axios';
import type { AxiosRequestConfig, AxiosResponse } from 'axios';
import { Message, Modal } from '@arco-design/web-vue';
import { useUserStore } from '@/store';
import { getToken } from '@/utils/auth';

export interface HttpResponse<T = unknown> {
  status: number;
  msg: string;
  code: number;
  data: T;
}

if (import.meta.env.VITE_API_BASE_URL) {
  axios.defaults.baseURL = import.meta.env.VITE_API_BASE_URL;
}

let API_SCOPE = 'admin';
if (import.meta.env.VITE_API_BASE_SCOPE) {
  API_SCOPE = import.meta.env.VITE_API_BASE_SCOPE;
}

axios.interceptors.request.use(
  (config: AxiosRequestConfig) => {
    // let each request carry token
    // this example using the JWT token
    // Authorization is a custom headers key
    // please modify it according to the actual situation

    const token = getToken();
    if (token) {
      if (!config.headers) {
        config.headers = {
        };
      }
      if (API_SCOPE) {
        config.headers.scope = API_SCOPE;
      }
      config.headers.Authorization = `Bearer ${token}`;
    }
    return config;
  },
  (error) => {
    // do something
    return Promise.reject(error);
  }
);
// add response interceptors
axios.interceptors.response.use(
  (response: AxiosResponse<HttpResponse>) => {
    const res = response.data;
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 200) {
      Message.error({
        content: res.msg || 'Error',
        duration: 5 * 1000,
      });
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (
        [401].includes(res.code) &&
        response.config.url !== '/api/user/info'
      ) {
        Modal.error({
          title: 'Confirm logout',
          content:
            'You have been logged out, you can cancel to stay on this page, or log in again',
          okText: 'Re-Login',
          async onOk() {
            const userStore = useUserStore();

            await userStore.logout();
            window.location.reload();
          },
        });
      }
      return Promise.reject(new Error(res.msg || 'Error'));
    }
    return res;
  },
  (error) => {
    const result = error.response;

    if (error.response) {
      if (error.response.request.responseType === 'arraybuffer' && error.response.data.toString() === '[object ArrayBuffer]') {
        const text = Buffer.from(error.response.data).toString('utf8');
        result.data = JSON.parse(text);
      }
    } else {
      Message.error({
        content: error.msg || 'Request Error',
        duration: 5 * 1000,
      });
      return Promise.reject(error);
    }

    if (result.data.code !== 200) {
      const url = result.data.config?.url
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (result.data.code === 401 && url !== '/api/user/info') {
        Modal.error({
          title: 'Confirm logout',
          content:
            'You have been logged out, you can cancel to stay on this page, or log in again',
          okText: 'Re-Login',
          async onOk() {
            const userStore = useUserStore();

            await userStore.logout();
            window.location.reload();
          },
        });
      } else {
        Message.error({
          content: result.data.msg || 'Error',
          duration: 5 * 1000,
        });
      }
    }

    if (result && typeof (result.data.code) !== 'undefined') {
      const err = new Error(result.data.msg);
      Message.error({
        content: err.message || 'Request Error',
        duration: 5 * 1000,
      });
      return Promise.reject(err);
    }

    Message.error({
      content: error.msg || 'Request Error',
      duration: 5 * 1000,
    });
    return Promise.reject(error);
  }
);