ok.js

#
# axios
#

import axios from 'axios'

const api = axios.create({
    baseURL: 'http://localhost:3000'
})

export default api;

#
# express
#
app.get("/get_username_by_username", function(req, res) {
  try {
    const stmt = db.prepare(
      "SELECT id, username, password FROM ig_account WHERE username = ?"
    );
    const row = stmt.get(req.query.username);
    return res.status(200).json({
      data: row
    });
  } catch (err) {
    return res.status(500).send("Something went wrong");
  }
});

#
# chamada
#

const response = await api.get("/get_username_by_username", {
      params: {
        username: this.props.active_ig_account
      }
    });