😍Get Access Token

• accessToken - This lasts 30 minutes are valid.

import * as AmazonCognitoIdentity from 'amazon-cognito-identity-js';
import * as dotenv from 'dotenv';

dotenv.config();
const user_pool_id = process.env.USER_POOL_ID!;
const user_pool_client_id = process.env.USER_POOL_CLIENT_ID!;
const usr = process.env.USER_NAME!;
const password = process.env.PASSWORD!;

export const getAuthenticationJwtToken = (): Promise<string> => {
  const poolData: AmazonCognitoIdentity.ICognitoUserPoolData = {
    UserPoolId: user_pool_id,
    ClientId: user_pool_client_id,
  };

  const userPool = new AmazonCognitoIdentity.CognitoUserPool(poolData);
  const authenticationDetails = new AmazonCognitoIdentity.AuthenticationDetails(
    {
      Username: usr,
      Password: password,
    }
  );
  const userData: AmazonCognitoIdentity.ICognitoUserData = {
    Username: usr,
    Pool: userPool,
  };
  const cognitoUser = new AmazonCognitoIdentity.CognitoUser(userData);
  return new Promise((resolve, reject) => {
    cognitoUser.authenticateUser(authenticationDetails, {
      onSuccess: function (result) {
        console.log('access token');
        console.log(result.getAccessToken().getJwtToken());
        resolve(result.getAccessToken().getJwtToken());
      },

      onFailure: function (err) {
        console.error('*** error ***');
        console.error('error ' + err);
        reject(err);
      },
    });
  });
};