document.write("
// Encode registry credentials and save them in local .npmrc
stage('NPM: Config') {
  withNPM(npmrcConfig: 'npm-config') {
    // Encode registry credentials and save them in local .npmrc
    sh 'set +x && echo "\\n_auth=\\$(echo -n "\\${NEXUS_USERNAME}:\\${NEXUS_PASSWORD}" | base64)" >> .npmrc'
  }
}
 
// This only works when BASIC realm is enabled on Nexus Repository Manager
 
// If we are getting the following error:
[ERROR] npm ERR! code E401
[ERROR] npm ERR! Unable to authenticate, need: BASIC realm="Sonatype Nexus Repository Manager"
// We need to configure .npmrc with authentication token
base64 encoded Nexus registry credentials.groovy - Snippet hosted by \"Cacher\"
RAW
stage('NPM: Config') {
  withCredentials([usernamePassword(credentialsId: nexusCredentialsId, passwordVariable: 'NEXUS_PASSWORD', usernameVariable: 'NEXUS_USERNAME')]) {
    def token = sh(returnStdout: true, script: "set +x && curl -s -k -H \\"Accept: application/json\\" -H \\"Content-Type:application/json\\" -X PUT --data '{\\"name\\": \\"$NEXUS_USERNAME\\", \\"password\\": \\"$NEXUS_PASSWORD\\"}' https://nexus-repository.net:8088/repository/my-npm/-/user/org.couchdb.user:$NEXUS_USERNAME 2>&1 | grep -Po '(?<=\\"token\\":\\")[^\\"]*'")
    sh "set +x && echo \\"//nexus-repository.net:8088/repository/my-npm/:_authToken=$token\\" >> .npmrc"
  }
}
Configure .npmrc with authentication token.groovy - Snippet hosted by \"Cacher\"
RAW
");