[greasemonkey] Convert embedded YouTube and Vimeo to link

Convert_iframe_to_link.js

// ==UserScript==
// @name       convert_iframes_to_links
// @namespace  https://gist.github.com/ihsoy-s/
// @version    0.6
// @description  Removes iframe/embed tags and creates links to the content
// @include    http://*/*
// @include    https://*/*
// @match      http://*/*
// @match      https://*/*
// @run-at     document-start
// @copyright  mihau, 2016 (original author: Yoshi-S, 2012)
// ==/UserScript==

( function(){
	function convertFramesToLinks(allArray, type) {
		var el = allArray,	i, el_src, textnodename;
		// var targetarrayx = eval("years" + targetarray);
			for (i = el.length - 1; i >= 0; i--) {
				if( el[i].getAttribute("src") ) {
					el_src = el[i].getAttribute("src");
						if ( el_src.indexOf("www.youtube") != -1 ) {
							el_src = el_src.replace("www.youtube-nocookie.com", "www.youtube.com");
							el_src = el_src.replace(/\?.*/, "")
							el_src = el_src.replace(/&.*/, "")
							el_src = el_src.replace("/embed/", "/watch?v=");
							el_src = el_src.replace("/v/", "/watch?v=");

// 							el_src = el_src.replace(/\?.*/, "")

// 							var replacements = { "www.youtube-nocookie.com": "www.youtube.com",
// 																	 "/\\?.*/": "",
// 																	 "/&.*/": "",
// 																	 "/embed/": "/watch?v=",
// 																	 "/v/": "/watch?v=" };
// 							for (var r in replacements) {
// 						    if (typeof replacements[r] !== "function") {
// 						         el_src = el_src.replace(r,replacements[r]);
// 						    }
// 							}
							textnodename = "[ link to replaced YouTube " + type;
							textnodesfx = " - dy 22 " + el_src.replace(/.*\?v=/,"") + " ]";
						} else if ( el_src.indexOf("player.vimeo.com") != -1 ) {
							el_src = el_src.replace(/\?.*/, "")
							el_src = el_src.replace(/&.*/, "")
							el_src = el_src.replace("/video/", "/");
							el_src = el_src.replace("player.vimeo.com", "vimeo.com");
							textnodename = "[ link to replaced Vimeo " + type + " ]";
							textnodesfx = "";
						} else if ( el_src.indexOf("flashservice.xvideos.com") != -1 ) {
							el_src = el_src.replace("/embedframe/", "/video");
							el_src = el_src.replace("flashservice.xvideos.com", "www.xvideos.com");
							textnodename = "[ link to replaced xvideos " + type + " ]";
							textnodesfx = "";
						} else {
							textnodename = "[ link to replaced " + type + " ]";
							textnodesfx = "";
						}
						var
						linkobject = document.createElement("a"),
						linkobject_text = document.createTextNode(textnodename + textnodesfx);
						linkobject.setAttribute("href", el_src);
						linkobject.setAttribute("style", "font-family:'Courier New';background: green; color: white; border: 2px dotted green; font-size:12px; margin: 4px; padding: 2px; text-decoration:none");
						linkobject.appendChild(linkobject_text);
						el[i].parentNode.replaceChild(linkobject, el[i]);
						// console.debug("[Converted iframe to link] ", el_src);
				}
		}
		runstate += 1;
		if (type == "iframe") {
			if (embed_length > 0) {
				convertFramesToLinks(embed, "embed");
			} else {
				runstate += 1;
			}
 		}
 		ieStats();
	}
	function ieStats() {
		if (runstate > 1) {
		var ieStatsbuilt;
		if ((iframe_length != 0) && (embed_length != 0)) {
			ieStatsbuilt = "replaced\n" + iframe_length + " iframes\n" + embed_length + " embeds";
		} else if ((iframe_length > 0) && (embed_length == 0)) {
			ieStatsbuilt = "replaced " + iframe_length + " iframes";
		} else if ((iframe_length == 0) && (embed_length > 0)) {
			ieStatsbuilt = "replaced " + embed_length + " embeds";
		}
		alert(ieStatsbuilt);
		}
		runstate = 0;
	}
	var
	iframe = document.getElementsByTagName("iframe"),
	embed  = document.getElementsByTagName("embed"),
	iframe_length = iframe.length,
	embed_length  =  embed.length,
	runstate = 0;
	console.log(iframe_length, embed_length);
	if (iframe_length > 0) {
		convertFramesToLinks(iframe, "iframe");
	} else if (embed_length > 0) {
		convertFramesToLinks(embed, "embed");
	}
}) ();