capitalize_words.js

/**
 * HubSpot custom code action 
 *
 * Capitalizes the first letter of every part of a contact's first name, last name, address and city.
 * 
 * Can easily be configured to update any other contact property.
 *
 * Examples:
 * - john        -> John
 * - DOE         -> Doe
 * - main-street -> Main-Street
 *
 */

const hubspot = require('@hubspot/api-client');

const namesToChange = [
    "firstname", 
    "lastname", 
    "address", 
    "city"
];

exports.main = (event, callback) => {
  callback(processEvent(event));
};

function processEvent(event) {

  const hubspotClient = new hubspot.Client({
    apiKey: process.env.HAPIKEY
  });
  
  const contactId = event.object.objectId;
  
  hubspotClient.crm.contacts.basicApi.getById(contactId, namesToChange)
    .then(results => {
    
        let properties = {};

        namesToChange.forEach(function(element){
            if(results.body.properties[element] !== null){
                properties[element] = capitalizeName(results.body.properties[element]);
            }
        });

        hubspotClient.crm.contacts.basicApi
            .update(
                contactId,
                {
                    properties,
                }
            )
    })
    .catch(err => {
      console.error(err);
    });
}

function capitalizeName(name) {
    return name
        .toLowerCase()
        .trim()
        .replace(/\b(\w)/g, s => s.toUpperCase());
}