drag can be simulated by mouse event, but drag and drop is not supported @v1.5.0

puppeteer-drag.js

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch({
    headless: false,
  })

  const page = await browser.newPage()
  await page.setUserAgent('Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36')
  await page.setViewport({ width: 1200, height: 800, deviceScaleFactor: 1 });

  await page.goto('https://www.google.de/maps/@52.4889552,13.4707445,1555m/data=!3m1!1e3')
  await page.waitForNavigation({ waitUntil: 'networkidle2' })

  await page.screenshot({ path: '1.png', fullPage: true })

  const innerWidth = await page.evaluate(_ => { return window.innerWidth })
  const innerHeight = await page.evaluate(_ => { return window.innerHeight })

  const mouse = page.mouse
  await mouse.move(innerWidth / 2, innerHeight / 2)
  await mouse.down()
  await mouse.move(innerWidth / 2 + 200, innerHeight / 2, { steps: 100 })
  await mouse.up()
  await page.waitForNavigation({ waitUntil: 'networkidle2' })

  await page.screenshot({ path: '2.png', fullPage: true })

  browser.close()
})()

// drag and drop not supported yet, see:
// https://github.com/GoogleChrome/puppeteer/issues/1376 
// https://github.com/GoogleChrome/puppeteer/issues/1265
// https://docs.google.com/document/d/14k80eesa60RL9Q5RjDNG6M4EoLayv9SO0Y0EagKhAbw/edit#heading=h.nzenij9wph6x