Jenkinsfile which publish npm package by versioning with BUILD_NUMBER

Jenkinsfile

import org.eclipse.jgit.transport.URIish

def repositoryPath = "kenan.visualstudio.com/DefaultCollection/TestProject/_git/IconSet"
def url = "https://$repositoryPath"
def branch = "master"
def credentialsId = '44995f55-2f49-4cad-905d-b06c32b5e5bd'

node {
    stage('Initialize'){

	env.NODEJS_HOME = "${tool 'nodejs'}"

	// on linux / mac
	env.PATH="${env.NODEJS_HOME}/bin:${env.PATH}"
		
        withCredentials([[$class: 'UsernamePasswordMultiBinding', credentialsId: credentialsId, usernameVariable: 'GIT_USERNAME', passwordVariable: 'GIT_PASSWORD']]) {
            String encoded_gitPassword = java.net.URLEncoder.encode(env.GIT_PASSWORD, "UTF-8")
            String gitUserName = java.net.URLEncoder.encode(env.GIT_USERNAME, "UTF-8")
            
            sh "echo \"//npm.dev.btek/:username=${gitUserName}\" >> ~/.npmrc"
            
            sh "echo \"//npm.dev.btek/:_password=${encoded_gitPassword}\" > ~/.npmrc"
        }
    }

    stage('Clone repository') {
	/* Let's make sure we have the repository cloned to our workspace */

	//checkout scm

	git branch: branch, credentialsId: credentialsId, url: url
            
        /*
        try {
          sh "git checkout -b temp-branch"
        } catch(Exception ex) {
          sh "git branch -D temp-branch"
          sh "git checkout -b temp-branch"
        }
        */

        //sh "git checkout $branch"

        //sh "git merge temp-branch"

        //sh "git branch -d temp-branch"
    }
	
    stage('Publish Npm Package'){

	publishNpmPackage()
    }
}

def publishNpmPackage(){			
  sh "npm set registry http://npm.dev.kenan"

  sh "npm version 0.0.1-build$env.BUILD_NUMBER"

  sh "npm publish"
}