page.js

function IsYouTubeLink(text){
	return text.includes("youtube") || text.includes("youtu.be");
}

function IsTwitchLink(text){
	return text.includes("twitch.tv");
}

function ProcessLinks(text){
	var iFrameWidth = "100%";
	var iFrameHeight = 415;
	
	var newText = text;

	var result = URI.withinString(text, function(url){
		if(url.includes("http") && !url.includes("https")){
			url.replace("http", "https");
		}

		if(IsYouTubeLink(url)){
			var newUrl = url;
			
			if(url.includes("&")){
				newUrl = url.substr(0, url.lastIndexOf("&"));
			}
			
			if(newUrl.includes("watch?v=")){
				newUrl = newUrl.replace("watch?v=", "embed/");
			}else if(url.includes("youtu.be")){
				newUrl = newUrl.replace("youtu.be/", "youtube.com/embed/");
			}
			
			newText = newText.replace(url, "<iframe width='" + iFrameWidth + "' height='" + iFrameHeight + "' src=" + newUrl + "></iframe>");
		}else if(IsTwitchLink(url) && !url.includes("/p/")){
			var newURL = url.substring(url.lastIndexOf("/") + 1);
			newText = newText.replace(url, "<iframe width='" + iFrameWidth + "' height='" + iFrameHeight + "' src=https://player.twitch.tv/?video=" + newURL + "&autoplay=false></iframe>");
		}
	});

	return newText;
}

function LoadPageMarkdown(){
	var url = new URL(window.location.href);
	var fileName = url.searchParams.get("page");
	
	if(fileName === null){
		return;
	}
	
	console.log(fileName);
	LoadFileMarkdown(fileName);
}

function LoadFileMarkdown(fileName, embedLinks = true){
	if(fileName === null){
		return;
	}
	
	var target = document.getElementById("targetDiv");
	var converter = new showdown.Converter();
	converter.setFlavor("github");
	
	jQuery.get("https://raw.githubusercontent.com/ArkhamSpeedrunningWiki/ArkhamSpeedrunningWiki.github.io/master/" + fileName + ".md", function(data){
		if(embedLinks){
			data = ProcessLinks(data); //Temporary workaround for certain pages, TODO - find a way to denote that links should not embed
		}
		
		data = converter.makeHtml(data);
		target.innerHTML = "<div class=panel container>" + data + "</div>";
	}).fail(function(){
		target.innerHTML = "<div class=panel container>"
						+ "<h2>Page not found!</h2>"
						+ "<a href='index.html'>Return to home page</a>"
						+ "</div>";
	});
}