neo4j movies javascript example

movies.js

/* npm install --save neo4j-driver
node movies.js
export NEO4J_URI='neo4j+s://demo.neo4jlabs.com:7687'
export NEO4J_USER='mUser'
export NEO4J_PASSWORD='s3cr3t'
export NEO4J_DATABASE='movies'
*/

(async() => {

const neo4j = require('neo4j-driver');
const driver = neo4j.driver(process.env['NEO4J_URI'],
                  neo4j.auth.basic(process.env['NEO4J_USER'],process.env['NEO4J_PASSWORD']), 
                  {});

const query =
  `
  MATCH (m:Movie {title:$movie})<--(p:Person)-->(o:Movie) 
  RETURN o.title as title, o.released as year, count(*) as freq
  ORDER BY freq DESC LIMIT 5
  `;

const params = {"movie": "Apollo 13"};

const session = driver.session({database:process.env['NEO4J_DATABASE']});
try {
  const result = await session.readTransaction(tx => tx.run(query, params));
  result.records.forEach(r => console.log(r.get('title'),r.get('year').toInt(),r.get('freq').toInt()));
} catch (error) {
  console.error(error);
} finally {
  session.close();
  driver.close();
}
})();