puppeteer で画像をダウンロード

main.js

const fs = require('fs').promises;
const puppeteer = require('puppeteer');
const headleass = true;

(async () => {
  var browser = await puppeteer.launch({ headless: headleass, args: ['--lang=ja,en-US,en'] });
  var page = await browser.newPage();
  page.setViewport({ width: 1920, height: 1080 });
  // 自分のツイッターのアイコン
  var source = await page.goto('https://pbs.twimg.com/profile_images/450452672638763008/2wm_mrCJ.jpeg');
  await fs.writeFile('data/icon.png', await source.buffer(), (err) => {
    if (err) {
      return console.log(err);
    }
    console.log('saved!');
  });
  browser.close();
})();

package.json

{
  "name": "image download",
  "version": "1.0.0",
  "description": "画像のダウンロード方法のメモ",
  "main": "main.js",
  "scripts": {
    "start": "node main.js"
  },
  "author": "tanjo",
  "license": "Apache License Version 2.0",
  "dependencies": {
    "puppeteer": "^1.11.0"
  }
}