Send top Hacker News posts to Slack and Google Sheets

hn-google-sheets-slack.js

const Taro = require('taro-client')(
  '__YOUR_API_KEY__'
);

const main = async () => {
  const posts = await Taro.scrape.hn({threshold: 400});
  
  if (posts.length === 0) {
    return;
  }
  
  // Finds or creates a Google Sheet called "HN Posts"
  const token = await Taro.sheets.load('HN Posts');
  // Retrieves the data from the spreadsheet as JSON
  const {data: existing} = await Taro.sheets.retrieve(token);
  const existingLinks = existing.map(e => e.link);
  // Filter out links that were logged already
  const filtered = posts.filter(post => {
    return existingLinks.indexOf(post.link) === -1;
  });
  
  if (filtered.length === 0) {
    console.log('No new posts!');
    return;
  }
  
  const items = filtered.map(({text, link, score}) => {
    return `> <${link}|[${score} points] ${text}>`;
  });
  const message = ['Top posts on HN:', ...items].join('\n');

  // Send new posts to Slack
  await Taro.notify.slack({message: message});
  // Add new posts to the spreadsheet
  await Taro.sheets.append(token, filtered);

  console.log('Message successfully sent!', message);
};

module.exports = main;