ems-thailand-post-auto-slide.js

const puppeteer = require('puppeteer');
const track = async (number) => {
    //launch headless browser and go to web page
    const browser = await puppeteer.launch();
    const page = await browser.newPage();
    const url = 'http://track.thailandpost.co.th/tracking/default.aspx'
    await page.goto(url);
    
    //waiting for slider
    await page.waitFor('.ui-draggable')
    const slider = await page.$('.Slider');

    //input number
    await page.type('input[name="TextBarcode"]', number);
    
    //setting mouse cursor positions
    const box = await slider.boundingBox();
    const origin = {
        x: box.x + box.width / 2,
        y: box.y + box.height / 2
    }
    
    //then click and drag
    await page.mouse.move(origin.x, origin.y);
    await page.mouse.down();
    await page.mouse.move(origin.x + 140, origin.y);
    await page.mouse.up();
    
    //waiting for results
    await page.waitForSelector('#btBack');
    
    //parsing data
    let status = await page.evaluate(() => {
        let datetimeNodeList = document.querySelectorAll('td[style="width:25%;"]');
        let locationNodeList = document.querySelectorAll('td[style="width:23%;"]');
        let statusNodeList = document.querySelectorAll('td[style="width:22%;"]');
        let array = [];
        for (let i = 0; i < datetimeNodeList.length; i++) {
            array[i] = {
                datetime: datetimeNodeList[i].innerText.replace(/\n/, ' '),
                location: locationNodeList[i].innerText,
                status: statusNodeList[i].innerText
            };
        }
        return array;
    });
    browser.close();
    return status;
};

track('EF582568151TH');

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