frontend/src/pages/dashboard/monitor/_mock.js

import mockjs from 'mockjs';

const getTags = (_, res) => {
  return res.json({
    data: mockjs.mock({
      'list|100': [
        {
          name: '@city',
          'value|1-100': 150,
          'type|0-2': 1,
        },
      ],
    }),
  });
};

export default {
  'GET  /api/tags': getTags,
};