|
// ==UserScript==
// @description Looks for things in the page that look like URLs but aren't
hyperlinked, and converts them to clickable links.
// @include *
// ==/UserScript==
(function () {
const urlRegex = /\b(https?:\/\/[^\s+\"\<\>]+)/ig;
// tags we will scan looking for un-hyperlinked urls
var allowedParents = [
"abbr", "acronym", "address", "applet", "b", "bdo", "big",
"blockquote", "body",
"caption", "center", "cite", "code", "dd", "del", "div",
"dfn", "dt", "em",
"fieldset", "font", "form", "h1", "h2", "h3", "h4",
"h5", "h6", "i", "iframe",
"ins", "kdb", "li", "object", "pre", "p", "q", "samp",
"small", "span", "strike",
"s", "strong", "sub", "sup", "td", "th", "tt", "u",
"var"
];
var xpath = "//text()[(parent::" + allowedParents.join(" or parent::") +
") and " +
"contains(translate(., 'HTTP', 'http'), 'http')]";
var candidates = document.evaluate(xpath, document, null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
var t0 = new Date().getTime();
for (var cand = null, i = 0; (cand = candidates.snapshotItem(i)); i++) {
if (urlRegex.test(cand.nodeValue)) {
var span = document.createElement("span");
var source = cand.nodeValue;
cand.parentNode.replaceChild(span, cand);
urlRegex.lastIndex = 0;
for (var match = null, lastLastIndex = 0; (match =
urlRegex.exec(source)); ) {
span.appendChild(document.createTextNode(source.substring(lastLastIndex,
match.index)));
var a = document.createElement("a");
a.setAttribute("href", match[0]);
a.target="_blank";
a.appendChild(document.createTextNode(match[0]));
span.appendChild(a);
lastLastIndex = urlRegex.lastIndex;
}
span.appendChild(document.createTextNode(source.substring(lastLastIndex)));
span.normalize();
}
}
var t1 = new Date().getTime();
//alert((t1 - t0) / 1000);
})(); |
