getUtms

getUtms.js

function getUtms() {
	const queryString = window.location.search;
	const urlParams = new URLSearchParams(queryString);
	const utm_source = urlParams.get('utm_source') ?? null;
	const utm_medium = urlParams.get('utm_medium') ?? null;
	const utm_campaign = urlParams.get('utm_campaign') ?? null;
	const utm_content = urlParams.get('utm_content') ?? null;
	const utm_term = urlParams.get('utm_term') ?? null;

	return {
		utm_source: utm_source,
		utm_medium: utm_medium,
		utm_campaign: utm_campaign,
		utm_content: utm_content,
		utm_term: utm_term
	}
}

function getUrlWithUtms(url, utms) {
	for (const key in utms) {
		if (utms[key]) {
			url = url.replace(key, utms[key])
		}
	}

	const urlArr = url.split("?");
	let newUrl = '';
	if(urlArr[0]){
		newUrl = urlArr[0];
	}
	if(urlArr[1]){
		newUrl = newUrl + "?" + urlArr[1].replace(/[^A-Za-z0-9_=]/g, "");
	}

	return newUrl;
}
let utmIntarvalCounter = 0;
let utms = getUtms();

let needUrl = getUrlWithUtms('https://t.me/tgrealty_bot?start=utm_source__utm_medium__utm_campaign__utm_content__utm_term', utms);

let utmIntarval = setInterval(() => {
	let linkObjets = document.querySelectorAll('a[href^="https://t.me/tgrealty_bot"]');
	if (linkObjets) {
		if (linkObjets.length > 0) {
			for (const key in linkObjets) {
				if (linkObjets[key]) {
					if (typeof linkObjets[key] == 'object') {
						linkObjets[key].setAttribute('href', needUrl);
					}
				}

			}
			clearInterval(utmIntarval);
		}
	}
	if (utmIntarvalCounter > 100) {
		clearInterval(utmIntarval);
	}
	utmIntarvalCounter++;

}, 100);