session.example.ts

import 'dotenv/config';
import { IgApiClient } from '../src';

function fakeSave(data: object) {
  // here you would save it to a file/database etc.
  // you could save it to a file: writeFile(path, JSON.stringify(data))
  return data;
}

function fakeExists() {
  // here you would check if the data exists
  return false;
}

function fakeLoad() {
  // here you would load the data
  return '';
}

(async () => {
  const ig = new IgApiClient();
  ig.state.generateDevice(process.env.IG_USERNAME);
  ig.state.proxyUrl = process.env.IG_PROXY;
  // This function executes after every request
  ig.request.end$.subscribe(async () => {
    const serialized = await ig.state.serialize();
    delete serialized.constants; // this deletes the version info, so you'll always use the version provided by the library
    fakeSave(serialized);
  });
  if (fakeExists()) {
    // import state accepts both a string as well as an object
    // the string should be a JSON object
    await ig.state.deserialize(fakeLoad());
  }
  // This call will provoke request.end$ stream
  await ig.account.login(process.env.IG_USERNAME, process.env.IG_PASSWORD);
  // Most of the time you don't have to login after loading the state
})();