Roster scraper for HawkLink (2019).

hawklinkscraper.js

/*
 * 1. Go to https://iit.campuslabs.com/engage/organization/acm/roster
 * 2. Open the browser console
 * 3. Copy and paste this script into the console and run
 * 4. Keep tab open and do not click anywhere until the script completes
 * 5. Save the page output as a .csv
 */

var showing = document.querySelector('#roster-members').parentElement.children[1].children[0].innerText.split(' ');
var total = parseInt(showing[3]);
var chunk = parseInt(showing[1].split('-')[1]);
loadMembersThen(total, chunk, 500, function() {
	console.log('done opening')
	var container = document.querySelector('[role="main"]').children[0].children[3].children[0].children[1].children[0].children[0];
	var boxes = Array.from(container.children);
	var results = [];
	getEmailByBoxIndex({
		container: container,
		results: results,
		boxes: boxes,
		index: 0,
		time: 250,
		callback: printResults
	});
});

function printResults(results) {
	console.log('printing')
	results.forEach((res) => {
		var out = res.name + ',' + res.email + '<br>';
		document.write(out);
	});
}
	
function getEmailByBoxIndex(params) {
	var results = params.results;
	var boxes = params.boxes;
	var index = params.index;
	var time = params.time;
	var box = boxes[index];
	if (box) {
		var subBox = box.children[0].children[0];
		subBox.click();
		querySelectorThen('[role="alert"]', time, function(alertBox) {
			var nameBox = alertBox.parentElement.children[2];
			var emailBox = alertBox.parentElement.children[3];
			if (nameBox && emailBox) {
				var name = nameBox.innerText.trim();
				var email = emailBox.innerText.trim();
				var res = {
					name: name,
					email: email
				};
				results.push(res);
				console.log(res);
			} else {
				console.log('Error: No profile found.');
			}
			var holder = alertBox.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.children[1];
			window.alertBox = alertBox;
			holder.click();
			params.index++;
			getEmailByBoxIndex(params);

		});
	} else {
		console.log('Done scraping.');
		params.callback(results);
	}
}

function querySelectorThen(queryString, time, callback) {
	var interval = setInterval(function() {
		var nodes = document.querySelectorAll(queryString);
		var el = nodes[nodes.length - 1];
		if (el) {
			clearInterval(interval);
			callback(el);
		}
	}, time);
}

function loadMembersThen(total, chunk, time, callback) {
	var i = 0;
	var loadInterval = setInterval(function() {
		var nodes = Array.from(document.querySelectorAll('span')).filter(d => d.innerText.toLowerCase() === 'load more members');
		var loader = nodes[nodes.length - 1];
		if (loader) {
			loader.click();
			document.body.click();
			i += chunk;
			console.log(`${i} / ${total}`);
			if (i >= total) {
				console.log(i, total)
				clearInterval(loadInterval);
				callback();
			}
		} else {
			clearInterval(loadInterval);
			callback();
		}
	}, time);
}

Hi @aubertc I have since graduated and my university switched from Campus Labs to a new system, but if you send me an example https://.campuslabs.com/faculty/trends#/ page, I can check it out!