Apple Itunes Connect replace localized text

replace_localized_text.js

/**
 * Script to replace localized text on the page (any element with the data-loc-key attribute)
 */

function replaceLocalizedText(locObject) {
	document.querySelectorAll('[data-loc-key]').forEach(function(textElement){
		const locKey = textElement.getAttribute('data-loc-key');
		textElement.innerHTML = locObject[locKey];
	});

	document.getElementById('getting-started-content').classList.remove('not-loaded');
}

function replaceLocalizedLinks(locObject) {
	document.querySelectorAll('[data-loc-link]').forEach(function(linkElement){
		const locLink = linkElement.getAttribute('data-loc-link');
		linkElement.setAttribute('href', locObject[locLink]);
	});
}

function loadLocalization () {
	fetch('/WebObjects/iTunesConnect.woa/ra/l10n').then(function(response) {
		return response.json();
	}).then(function(data){
		replaceLocalizedText(data.data);
		replaceLocalizedLinks(data.data);
	});
}

function loadUserDetail() {
	document.getElementById('rightgroup').style.display = 'none';

	fetch('/olympus/v1/session', { method: 'get', credentials: 'include' }).then(function(response) {
		return response.json();
	}).then(function(data) {
		const userDetail = data;

		if (!userDetail.user.fullName && !userDetail.user.emailAddress) {
			return;
		}

		const sessionMenuUserName = document.querySelector('.session-menu-username');
		const sessionMenu = ocument.getElementById('#session-menu');

		if (userDetail.user && userDetail.user.fullName) {
			sessionMenuUserName.innerHTML = userDetail.user.fullName;
			document.querySelector('.session-nav-username').innerHTML = userDetail.user.emailAddress;
		} else if (!userDetail.user.fullName && userDetail.user.emailAddress) {
			sessionMenuUserName.innerHTML = userDetail.user.emailAddress;
			sessionMenuUserName.style.display = 'none';
			sessionMenu.classList.add('no-display-name');
		}

		if (userDetail.provider && userDetail.provider.name) {
			document.querySelector('.session-menu-providername').innerHTML = userDetail.provider.name;
		} else {
			sessionMenu.classList.add('no-provider-name');
		}

		const rightGroup = document.getElementById('#rightgroup');
		rightGroup.style.transition = 'opacity 400ms';
		rightGroup.style.opacity = '1';
	});
}

function setCopyrightYear() {
	document.getElementById('#copyright-year').innerHTML = new Date().getFullYear();
}

function setupEventListeners() {
	document.getElementById('session-nav-info').addEventListener('click', function() {
		document.getElementById('session-nav').classList.toggle('open');
	});

	document.getElementById('signoutlink').addEventListener('click', signOut);
}

function removeCookie(name) {
	const date = new Date;
	// set it to expire yesterday
	date.setTime(date.getTime() - 86400000);
	document.cookie = name + "='';path=/;expires=" + date.toUTCString();
}

function signOut() {
	removeCookie('wosid');
	removeCookie('ds01-uat');
	removeCookie('ds01_a');

	window.location.href = '/logout';
}

setupEventListeners();
loadLocalization();
loadUserDetail();
setCopyrightYear();

This is the source code from Itunes Connect from the Getting Started screen to localize text.
It is possible to see a lot of problems in this code.

Esse é o código fonte do Itunes Connect na tela Getting Started para a localização do texto.
É possível ver vários problemas nesse código.