Crawler example on Vercel using Puppeteer and NextJS API routes
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const puppeteer = require('puppeteer-core'); | |
const cheerio = require('cheerio'); | |
const chrome = require('chrome-aws-lambda'); | |
export default async (req, res) => { | |
const slug = req?.query?.slug; | |
if (!slug) { | |
res.statusCode = 200 | |
res.setHeader('Content-Type', 'application/json') | |
res.end(JSON.stringify({ id: null })) | |
return; | |
} | |
const browser = await puppeteer.launch( | |
process.env.NODE_ENV === 'production' | |
? { | |
args: chrome.args, | |
executablePath: await chrome.executablePath, | |
headless: chrome.headless, | |
} | |
: {} | |
); | |
const page = await browser.newPage(); | |
page.setUserAgent('Opera/9.80 (J2ME/MIDP; Opera Mini/5.1.21214/28.2725; U; ru) Presto/2.8.119 Version/11.10'); | |
await page.goto(`https://m.youtube.com/${slug}/videos`); | |
let content = await page.content(); | |
var $ = cheerio.load(content); | |
$.prototype.exists = function (selector) { | |
return this.find(selector).length > 0; | |
} | |
let id = null; | |
const isLive = $('body').exists('[data-style="LIVE"]'); | |
if (isLive) { | |
const url = $('ytm-compact-video-renderer .compact-media-item-image').attr('href'); | |
const arr = url.split('?v='); | |
id = arr[1]; | |
} | |
await browser.close(); | |
res.statusCode = 200 | |
res.setHeader('Content-Type', 'application/json') | |
res.end(JSON.stringify({ id })) | |
} |
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This fails on Vercel as it pushes serverless bundle over 50mb. (Read more here)
I've found installing these versions of the packages put us under this limit.