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Alt news.js
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Alt news.js
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const puppeteer = require('puppeteer');
const { Parser } = require("json2csv");
const fs = require('fs');
(async () => {
const browser = await puppeteer.launch({ headless: false });
const page = await browser.newPage();
let counter = 0;
page.on('response', async (response) => {
const matches = /.*\.(jpg|png|svg|gif)$/.exec(response.url());
if (matches && matches.length === 2) {
const extension = matches[1];
const buffer = await response.buffer();
fs.writeFileSync(`./altimages/image-${counter}.${extension}`, buffer, 'base64');
counter += 1;
}
});
// Navigate to the Alt News homepage
await page.goto('https://www.altnews.in/');
// Set screen size
await page.setViewport({ width: 1080, height: 1024 });
const youtubePlayer = await page.waitForSelector('.youtube-player');
const articles = await page.waitForSelector('h4.entry-title');
const names = await page.waitForSelector('.byline.meta-info');
const description = await page.waitForSelector('.posted-on.meta-info');
if (!articles || !names || !description) {
console.error('Selector not found. Check if the website structure has changed.');
await browser.close();
return;
}
// Extract the video source URL
const videoSrc = await youtubePlayer.evaluate(() => {
const player = document.querySelector('.youtube-player');
return player ? player.getAttribute('src') : null;
});
const extractNames = async () => {
const namesLinks = await page.evaluate((selector) => {
const Names = document.querySelectorAll(selector);
return Array.from(Names, (name) => name.textContent.trim());
}, '.byline.meta-info');
return namesLinks;
};
const extractDesc = async () => {
const DescLinks = await page.evaluate((selector) => {
const Desc = document.querySelectorAll(selector);
return Array.from(Desc, (desc) => desc.textContent.trim());
}, '.posted-on.meta-info');
return DescLinks;
};
const extractQuotes = async () => {
const quotesLinks = await page.evaluate((selector) => {
const Quotes = document.querySelectorAll(selector);
return Array.from(Quotes, (quote) => quote.textContent.trim());
}, 'h4.entry-title');
return quotesLinks;
};
// Scroll logic with delay
const scrollPage = async () => {
const viewportHeight = await page.evaluate(() => window.innerHeight);
const pageHeight = await page.evaluate(() => document.documentElement.scrollHeight);
let scrollHeight = 0;
let counter = 0;
while (scrollHeight < pageHeight && counter < 100) {
const scrollIncrement = viewportHeight * 0.7;
scrollHeight += scrollIncrement;
await page.evaluate((scrollIncrement) => {
window.scrollBy(0, scrollIncrement);
}, scrollIncrement);
await delay(1000);
counter++;
if (counter === 100) {
break;
}
}
const quotes = await extractQuotes();
const names = await extractNames();
const desc = await extractDesc();
const data = [];
for (let i = 0; i < quotes.length; i++) {
data.push({
Names: names[i] || "-",
Date: desc[i] || "-",
Quotes: quotes[i] || "-",
});
}
console.log(data)
const fields = ["Names", "Date", "Quotes"];
const json2csvParser = new Parser({ fields });
const csv = json2csvParser.parse(data);
fs.writeFileSync("./altoutput.csv", csv);
fs.writeFileSync("./altoutputvideo.csv", videoSrc);
};
const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));
await scrollPage();
await browser.close();
})();