Issue with creating documents in Sanity project not being published

const sanityClient = require('@sanity/client')
const client = sanityClient({
  projectId: 'your-project-id',
  dataset: 'bikeshop',
  apiVersion: '2019-01-29', // use current UTC date - see "specifying API version"!
  token: 'sanity-auth-token', // or leave blank for unauthenticated usage
  useCdn: true, // `false` if you want to ensure fresh data
})

client.create(obj);

import { client } from '../../sanityClient';

/**
 * This route is called 'all' instead of index to prevent route conflicts.
 * @see <https://sapper.svelte.dev/docs#Route_conflicts>
 */
export async function get (req, res) {
  try {
    const posts = await client.fetch('*[_type == "productContent" && defined(slug.current)]')
    res.end(JSON.stringify({ posts }));
  } catch (err) {
    res.writeHead(500, {
      'Content-Type': 'application/json'
    });

    res.end(JSON.stringify({
      message: err.message
    }));  
  }
};