notion-update-icons.js

const { notion, yargs } = require('../../shared');
const { fetchAllPages, performWithAll } = require('../../shared/fetch-pages');

const databaseId = 'e6a07b67d28a432fbd9029f18f3a27b8';

async function editPage(page) {
  const params = {
    page_id: page.id,
    icon: {
      type: 'emoji',
      emoji: '😁',
    },
  };

  return await notion.pages.update(params);
}

(async () => {
  // Fetches all pages in batches until they are all fetched
  const pages = await fetchAllPages(databaseId);

  // Run the "editPage" routine on each page
  performWithAll(pages, editPage);
})();