test.js

const Client = require('fabric-client');
const myClient = require('./index.js');
var await = require('await')
const KEY_STORE_PATH_ADMIN = './keystore/admin';

const org1 = 'org1';
const org2 = 'org2';
const org3 = 'org3';

const ORG1_ADMIN_MSP = './crypto-config/peerOrganizations/org1.ksachdeva-exp.com/users/Admin@org1.ksachdeva-exp.com/msp';
const ORG2_ADMIN_MSP = './crypto-config/peerOrganizations/org2.ksachdeva-exp.com/users/Admin@org2.ksachdeva-exp.com/msp';
const ORG3_ADMIN_MSP = './crypto-config/peerOrganizations/org3.ksachdeva-exp.com/users/Admin@org3.ksachdeva-exp.com/msp';

const ORG1_MSP_ID = 'Org1MSP'
const ORG2_MSP_ID = 'Org2MSP'
const ORG3_MSP_ID = 'Org3MSP'

const CHANNEL_NAME = 'ksachdeva-exp-channel-1'


async function joinOrgPeersToChannel() {
    const client = await myClient.getClient(org1, ORG1_ADMIN_MSP, ORG1_MSP_ID);    
    const orderer = await myClient.getOrderer(client);
    const channel = client.newChannel(CHANNEL_NAME);
    console.log(channel);
    channel.addOrderer(orderer);  
    console.log(channel);
      

}

joinOrgPeersToChannel()