WA Group Contact Scraper.js

// var obj = document.getElementsByClassName("infinite-list-viewport")[0].getElementsByClassName("infinite-list-item infinite-list-item-transition");
// var topOfList = document.getElementsByClassName("_2wP_Y");
// topOfList.scrollTop = 50;

// old = $("div.drawer-body").scrollTop()
// $("div.drawer-body").scrollTop(old + 72)

//Click the group Icon to open the Group info Window to the side
// var openWAGroup = document.getElementsByClassName("_18tv-");
var openWAGroup = document.getElementsByClassName("_3V5x5")[0].getElementsByClassName("_1lpto")
openWAGroup[0].click();

//Click the more Contacts button
var btnClick_more = document.getElementsByClassName("_3p0T6");
btnClick_more[0].click();



// $("html, body").scrollTop(0);
// SELECT "GROUP INFO" ELEMENT AS A WHOLE
var scrollUp = document.getElementsByClassName("_2sNbV")[0];
// scrollUp.scrollTop = 0;


// setTimeout(() => {
// 	scrollUp.scrollTop = scrollUp.scrollHeight;  
	
// }, 3000);

// var obj = document.getElementsByClassName("RLfQR")[0].getElementsByClassName("_2wP_Y");

//SELECT ALL PARTICIPANTS ELEMENT
//var obj = document.getElementsByClassName("_37f_5")[0].getElementsByClassName("_3HZor")[0].getElementsByClassName("_3xdMj");
var obj = document.getElementsByClassName("_3xdMj")[0].getElementsByClassName("_3La1s")[0].getElementsByClassName("X7YrQ");
var data = [];

setTimeout(function() {
	for (var i = 0; i < obj.length; i++) {

        //GET PHONE NUMBER OR NAME IF ALREADY IN CONTACT
        // var num = obj[i].getElementsByClassName("emojitext ellipsify")[0].title;
		var namenum = obj[i].getElementsByClassName("_3H4MS")[0].innerText;
		
		// var img = obj[i].getElementsByClassName("avatar-image is-loaded")[0].src.replace("t=s", "t=l");
	
        //GET PROFILE IMAGE AND REPLACE WITH LARGE SIZE INSTEAD OF THUMBNAIL
        // try {var img = obj[i].getElementsByClassName("_3RWII")[0].src.replace("t=s", "t=l");
        try {var img = obj[i].getElementsByClassName("_3RWII")[0].getElementsByClassName("jZhyM _13Xdg")[0].src;
			var num = img.match(/u=(\d*)/)[1];}
		catch (err) { var img = "No Pic";
			num = namenum.match(/\d+/g); }
        // img = img.src.replace("t=s", "t=l");
        
        //GET SCREEN NAME
		// try { var name = obj[i].getElementsByClassName("emojitext screen-name-text")[0].outerText; }
		try { var name = obj[i].getElementsByClassName("_3VvbK")[0].outerText; }
		catch (err) { 
			var name = namenum; 
			namenum = "IN_CONTACTS";
            }
            
        //GET STATUS TEXT
		// try { var status = obj[i].getElementsByClassName("emojitext")[1].title }
		try { var status = obj[i].getElementsByClassName("_2Bw3Q")[0].getElementsByClassName("_19RFN")[0].title }
		catch (err) { var status = "NONE" }
		
		data[i] = { num: num, namenum: namenum, name: name, img: img, status: status };
	}

	/* $(document).ready(function(){
		$('button').click(function(){
			var data = $('#txt').val();
			if(data == '')
				return;
			
			JSONToCSVConvertor(data, "Whatsapp Contacts", true);
		});
	});
	*/
	// function JSONToCSVConvertor(JSONData, ReportTitle, ShowLabel) {
	//If JSONData is not an object then JSON.parse will parse the JSON string in an Object
	// var arrData = typeof JSONData != 'object' ? JSON.parse(JSONData) : JSONData;
	var arrData = typeof data != 'object' ? JSON.parse(data) : data;
		
	var CSV = '';    
	//Set Report title in first row or line
		
	// CSV += ReportTitle + '\r\n\n';
	var ReportTitle = "Whatsapp Contacts";
	CSV += ReportTitle + '\r\n\n';
	CSV += "Group Name : " + document.getElementsByClassName("_19vo_")[0].getElementsByClassName("_19RFN")[0].title + '\r\n' + "Number of participants : " + obj.length + '\r\n\n';
	//CSV += "Group Name : " + document.evaluate('//*[@id="main"]/header/div[2]/div[1]/div/span', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.innerHTML + '\r\n' + "Number of participants : " + obj.length + '\r\n\n';


	//This condition will generate the Label/Header
	// if (ShowLabel) {
	if (true) {
		var row = "";
			
		//This loop will extract the label from 1st index of on array
		for (var index in arrData[0]) {
				
			//Now convert each value to string and comma-seprated
			row += index + ',';
		}

		row = row.slice(0, -1);
			
		//append Label row with line break
		CSV += row + '\r\n';
	}
	//1st loop is to extract each row
	for (var i = 0; i < arrData.length; i++) {
		var row = "";
			
		//2nd loop will extract each column and convert it in string comma-seprated
		for (var index in arrData[i]) {
			row += '"' + arrData[i][index] + '",';
		}
		row.slice(0, row.length - 1);
			
		//add a line break after each row
		CSV += row + '\r\n';
			
	}
	/*     if (CSV == '') {
			alert("Invalid data");
			return;
		}    */
		
	//Generate a file name
	var fileName = "WAGroup_";
	//this will remove the blank-spaces from the title and replace it with an underscore
	// fileName += document.getElementsByClassName("input-wrapper locked")[0].getElementsByTagName("div")[1].innerHTML.replace(/ /g,"_");   
	fileName += document.evaluate('//*[@id="main"]/header/div[2]/div[1]/div/span', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.innerHTML.replace(/ /g,"_");
		
	//Initialize file format you want csv or xls
	var uri = 'data:text/csv;charset=utf-8,' + escape(CSV);
		
	// Now the little tricky part.
	// you can use either>> window.open(uri);
	// but this will not work in some browsers
	// or you will not get the correct file extension
		
	//this trick will generate a temp <a /> tag
	var link = document.createElement("a");
	link.href = uri;
		
	//set the visibility hidden so it will not effect on your web-layout
	link.style = "visibility:hidden";
	link.download = fileName + ".csv";
		
	//this part will append the anchor tag and remove it after automatic click
	document.body.appendChild(link);
	link.click();
	document.body.removeChild(link);
	// }
}, 2000);