A Node library which provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol
setup environment
#npm install puppeteer
usage
build API
#an example api to convert webpage to pdf
#for example: http://localhost:3000/pdf?target=https://google.com
const express = require("express");
const puppeteer = require("puppeteer");
const app = express();
app.get("/pdf", async (req, res) => {
const url = req.query.target;
const browser = await puppeteer.launch({
headless: true
});
const webPage = await browser.newPage();
await webPage.goto(url, {
waitUntil: "networkidle0"
});
const pdf = await webPage.pdf({
printBackground: true,
format: "Letter",
margin: {
top: "20px",
bottom: "40px",
left: "20px",
right: "20px"
}
});
await browser.close();
res.contentType("application/pdf");
res.send(pdf);
})
app.listen(3000, () => {
console.log("Server started");
});
