secrets.js

import  {SecretManagerServiceClient} from '@google-cloud/secret-manager'

const projectId = 'project-id'

// Instantiates a client
const client = new SecretManagerServiceClient();

export const accessSecretVersion = async (secretName) => {

  const [version] = await client.accessSecretVersion({
    name: `projects/${projectId}/secrets/${secretName}/versions/latest`,
  });

  // Extract the payload as a string.
  const secretValue = version.payload.data.toString();

  return secretValue
}