joplin/Assets/WebsiteAssets/js/script.js

function getOs() {
	if (navigator.appVersion.indexOf("Win")!=-1) return "windows";
	if (navigator.appVersion.indexOf("Mac")!=-1) return "macOs";
	if (navigator.appVersion.indexOf("X11")!=-1) return "linux";
	if (navigator.appVersion.indexOf("Linux")!=-1) return "linux";
	return null;
}

function setupMobileMenu() {
	$("#open-menu-mobile").click(function () {
		$("#menu-mobile").animate({ "margin-right": "0px" }, 300);
	});

	$("#close-menu-mobile").click(function () {
		$("#menu-mobile").animate({ "margin-right": "-300px" }, 300);
	});
}

function setupDownloadPage() {
	if (!$('.page-download').length) return;

	const downloadLinks = {};

	$('.page-download .get-it-desktop a').each(function() {
		const href = $(this).attr('href');
		
		if (href.indexOf('-Setup') > 0) downloadLinks['windows'] = href;
		if (href.indexOf('.dmg') > 0) downloadLinks['macOs'] = href;
		if (href.indexOf('.AppImage') > 0) downloadLinks['linux'] = href;
	});

	$('.page-download .get-it-desktop').hide();

	$('.page-download .download-click-here').click((event) => {
		event.preventDefault();
		$('.page-download .get-it-desktop').show(500);
	});

	const os = getOs();
	if (!os || !downloadLinks[os]) {
		$('.page-download .get-it-desktop').show();
	} else {
		window.location = downloadLinks[os];
	}
}

$(function () {
	setupMobileMenu();
	setupDownloadPage();
});