STS goto console - programmatically

AWSStsAssumeRole.ts

import {STSClient, AssumeRoleCommand, AssumeRoleCommandOutput} from "@aws-sdk/client-sts";
import axios from "axios";
// Set the AWS Region.
const REGION = "ap-south-1"; // otherwise copy your region from here - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#concepts-available-regions
const stsClient = new STSClient({ region: REGION, credentials: {
    accessKeyId: '<replace with aws access key id>',
    secretAccessKey: '<replace with aws secret access key>'
}});
export { stsClient };

export class AWSStsAssumeRole {

    static async callAWSForSTSAssumeRole (): Promise<string> {
        let cmd = new AssumeRoleCommand({
            RoleArn: '<role arn that you want to assume using below code>',
            RoleSessionName: '<just an identifier>',
            DurationSeconds: 43200
        });

        let output: AssumeRoleCommandOutput = await stsClient.send(cmd);

        // uncomment to explore this
        // console.log(output.Credentials.SessionToken);
        // console.log(output.Credentials);

        let sessionBody = `{"sessionId":"${output.Credentials.AccessKeyId}","sessionKey":"${output.Credentials.SecretAccessKey}","sessionToken":"${output.Credentials.SessionToken}"}`;

        let sessionBodyEncoded = encodeURIComponent(sessionBody);

        let getSignInTokenUrl: string = "https://signin.aws.amazon.com/federation?Action=getSigninToken&DurationSeconds=43200&SessionType=json&Session="+sessionBodyEncoded

        let signInTokenUrlResponse = await axios.get(getSignInTokenUrl);

        let signInToken = signInTokenUrlResponse.data.SigninToken;

        let consoleLoginUrl = `https://signin.aws.amazon.com/federation?Action=login&DurationSeconds=43200&SigninToken=${encodeURIComponent(signInToken)}&Destination=${encodeURIComponent(`https://${REGION}.console.aws.amazon.com/console`)}`

        // console.log(getSignInTokenUrl);
        // console.log(consoleLoginUrl);
        return consoleLoginUrl;
    }

}

AWSStsAssumeRole.callAWSForSTSAssumeRole().then((consoleLoginUrl) => console.log("click(or copy) this -> ", consoleLoginUrl));

package.json

{
  "name": "aws-sts-explore",
  "dependencies": {
    "@aws-sdk/client-sts": "^3.201.0",
    "aws-sdk": "^2.1245.0",
    "axios": "1.1.0"
  },
  "devDependencies": {
    "@types/node": "^14",
    "ts-node": "^10.9.1",
    "typescript": "^4.8.4"
  }
}