nyaa-pantsu/public/js/main.js

// @source https://github.com/NyaaPantsu/nyaa/tree/dev/public/js
// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt Expat

// Switches between themes when a new one is selected
function switchThemes(){
	themeName = document.getElementById("theme-selector").value
	var head = document.getElementsByTagName("head")[0];
	// Remove the theme in place, it fails if one isn't set
	try{
		head.removeChild(document.getElementById("theme"));
	} catch(err){}
	// Don't add a node if we don't want extra styling
	if(themeName === ""){
		return;
	}
	// Create the new one and put it back
        var newTheme = document.createElement("link");
        newTheme.setAttribute("rel", "stylesheet");
        newTheme.setAttribute("href", "/css/"+ themeName + ".css");
        newTheme.setAttribute("id", "theme");
	head.appendChild(newTheme);
}

// Used by spoiler tags
function toggleLayer(elem) {
	if (elem.classList.contains("hide"))
		elem.classList.remove("hide");
	else
		elem.classList.add("hide");
}
function parseAllDates() {
	// Date formatting
	var lang = document.getElementsByTagName("html")[0].getAttribute("lang"); 
	var ymdOpt = { year: "numeric", month: "short", day: "numeric" };
	var hmOpt  = { hour: "numeric", minute: "numeric" };

	var list = document.getElementsByClassName("date-short");
	for(var i in list) {
		var e = list[i];
		e.title = e.innerText;
		e.innerText = new Date(e.innerText).toLocaleString(lang, ymdOpt);
	}

	var list = document.getElementsByClassName("date-full");
	for(var i in list) {
		var e = list[i];
		e.title = e.innerText;
		e.innerText = new Date(e.innerText).toLocaleString(lang);
	}
}

parseAllDates();

/*Fixed-Navbar offset fix*/
document.addEventListener("DOMContentLoaded", function(event) {
	var shiftWindow = function() { scrollBy(0, -70) };
	if (location.hash) shiftWindow();
	window.addEventListener("hashchange", shiftWindow);
	
	document.getElementsByClassName("search-box")[0].addEventListener("focus", function (e) {
		var w = document.getElementsByClassName("h-user")[0].offsetWidth;
		document.getElementsByClassName("h-user")[0].style.display = "none";
		document.getElementsByClassName("search-box")[0].style.width = document.getElementsByClassName("search-box")[0].offsetWidth + w + "px";
	});
	document.getElementsByClassName("search-box")[0].addEventListener("blur", function (e) {
		document.getElementsByClassName("search-box")[0].style.width = "";
		document.getElementsByClassName("h-user")[0].style.display = "inline-block";
	});

});

function playVoice() {
    var mascotAudio = document.getElementById("explosion") || document.getElementById("nyanpassu") || document.getElementById("kawaii");
    if (mascotAudio !== undefined) {
        mascotAudio.volume = 0.2;
        mascotAudio.play();
    } else {
        console.log("Your mascot doesn't support yet audio files!")
    }
}

document.getElementsByClassName("form-input refine")[0].addEventListener("click", function (e) {
    document.getElementsByClassName("box refine")[0].style.display = document.getElementsByClassName("box refine")[0].style.display == "none" ? "block" : "none";
    if(document.getElementsByClassName("form-input refine-searchbox")[0].value != document.getElementsByClassName("form-input search-box")[0].value)
        document.getElementsByClassName("form-input refine-searchbox")[0].value = document.getElementsByClassName("form-input search-box")[0].value;
    if(document.getElementsByClassName("form-input refine-category")[0].selectedIndex != document.getElementsByClassName("form-input form-category")[0].selectedIndex)
        document.getElementsByClassName("form-input refine-category")[0].selectedIndex = document.getElementsByClassName("form-input form-category")[0].selectedIndex;
	e.preventDefault();
	if(document.getElementsByClassName("box refine")[0].style.display == "block")
		scrollTo(0, 0);
});
// @license-end