Screenshot Capture

import { WebCrawler, CacheMode } from "feedstock";

const crawler = new WebCrawler({
  config: { viewport: { width: 1280, height: 720 } },
});

const result = await crawler.crawl("https://example.com", {
  cacheMode: CacheMode.Bypass,
  screenshot: true,
});

if (result.screenshot) {
  // screenshot is a base64-encoded PNG
  const buffer = Buffer.from(result.screenshot, "base64");
  await Bun.write("screenshot.png", buffer);
  console.log("Saved screenshot.png");
}

await crawler.close();

const result = await crawler.crawl("https://example.com", {
  cacheMode: CacheMode.Bypass,
  pdf: true,
});

if (result.pdf) {
  await Bun.write("page.pdf", result.pdf);
}

const urls = [
  "https://example.com",
  "https://example.com/about",
  "https://example.com/pricing",
];

const results = await crawler.crawlMany(
  urls,
  { cacheMode: CacheMode.Bypass, screenshot: true },
  { concurrency: 3 },
);

for (const result of results) {
  if (result.screenshot) {
    const slug = new URL(result.url).pathname.replace(/\//g, "_") || "index";
    const buffer = Buffer.from(result.screenshot, "base64");
    await Bun.write(`screenshots/${slug}.png`, buffer);
  }
}

const result = await crawler.crawl("https://app.example.com/dashboard", {
  screenshot: true,
  waitFor: { kind: "selector", value: ".dashboard-loaded" },
  waitAfterLoad: 1000, // extra 1s for animations to settle
});