☰

Text To link

Turn plain text URLs into clickable links

// ==UserScript==
// @name						Text To link
// @description					Turn plain text URLs into clickable links
// @description:zh				把文字链接转换为可点击链接
// @author						lkytal
// @namespace					Lkytal
// @version						2.8.7
// @homepage					https://lkytal.github.io/
// @homepageURL					https://lkytal.github.io/GM
// @license						AGPL
// @include						*
// @exclude						*pan.baidu.com/*
// @exclude						*renren.com/*
// @exclude						*exhentai.org/*
// @exclude						*music.google.com/*
// @exclude						*play.google.com/music/*
// @exclude						*mail.google.com/*
// @exclude						*docs.google.com/*
// @exclude						*www.google.*
// @exclude						*acid3.acidtests.org/*
// @exclude						*https://gf.zukizuki.org/*/scripts/*/code*
// @exclude						*.163.com/*
// @exclude						*.alipay.com/*
// @run-at						document-end
// @icon						https://github.com/lkytal/GM/raw/master/icons/link.png
// @grant						unsafeWindow
// @charset						UTF-8
// @supportURL					https://github.com/lkytal/GM/issues
// ==/UserScript==

"use strict";
;
var clearLink, excludedTags, linkFilter, linkMixInit, linkPack, linkify, observePage, observer, setLink, urlPrefixes, url_regexp, xPath

url_regexp = /((https?:\/\/|www\.)[\x21-\x7e]+[\w\/=]|\w([\w._-])+@\w[\w\._-]+\.(com|cn|org|net|info|tv|cc|gov|edu)|(\w[\w._-]+\.(com|cn|org|net|info|tv|cc|gov|edu))(\/[\x21-\x7e]*[\w\/])?|ed2k:\/\/[\x21-\x7e]+\|\/|thunder:\/\/[\x21-\x7e]+=)/gi

urlPrefixes = ['http://', 'https://', 'ftp://', 'thunder://', 'ed2k://', 'mailto://', 'file://']

clearLink = function (event) {
    var j, len, link, prefix, ref, ref1, url
    link = (ref = event.originalTarget) != null ? ref : event.target
    if (!(link != null && link.localName === "a" && ((ref1 = link.className) != null ? ref1.indexOf("textToLink") : void 0) !== -1)) {
        return
    }
    url = link.getAttribute("href")
    //console.log url
    for (j = 0, len = urlPrefixes.length; j < len; j++) {
        prefix = urlPrefixes[j]
        if (url.indexOf(prefix) === 0) {
            return
        }
    }
    if (url.indexOf('@') !== -1) {
        return link.setAttribute("href", "mailto://" + url)
    } else {
        return link.setAttribute("href", "http://" + url)
    }
}

document.addEventListener("mouseover", clearLink)

setLink = function (candidate) {
    var ref, ref1, ref2, span, text
    if (candidate == null || ((ref = candidate.parentNode) != null ? (ref1 = ref.className) != null ? typeof ref1.indexOf === "function" ? ref1.indexOf("textToLink") : void 0 : void 0 : void 0) !== -1 || candidate.nodeName === "#cdata-section") {
        return
    }
  //  text = candidate.textContent.replace(url_regexp, '<a href="$1" target="_blank" class="textToLink">$1</a>')
    text = candidate.textContent.replace(url_regexp, '<a href="$1" target="_blank" style="border: 1px dashed #000; padding: 2px; text-decoration: none;class="textToLink">$1</a>')
    if (((ref2 = candidate.textContent) != null ? ref2.length : void 0) === text.length) {
        return
    }
    span = document.createElement("span")
    span.innerHTML = text
    return candidate.parentNode.replaceChild(span, candidate)
}

excludedTags = "a,svg,canvas,applet,input,button,area,pre,embed,frame,frameset,head,iframe,img,option,map,meta,noscript,object,script,style,textarea,code".split(",")

xPath = `//text()[not(ancestor::${excludedTags.join(') and not(ancestor::')})]`

linkPack = function (result, start) {
    var i, j, k, ref, ref1, ref2, ref3, startTime
    startTime = Date.now()
    while (start + 10000 < result.snapshotLength) {
        for (i = j = ref = start, ref1 = start + 10000; ref <= ref1 ? j <= ref1 : j >= ref1; i = ref <= ref1 ? ++j : --j) {
            setLink(result.snapshotItem(i))
        }
        start += 10000
        if (Date.now() - startTime > 2500) {
            return
        }
    }
    for (i = k = ref2 = start, ref3 = result.snapshotLength; ref2 <= ref3 ? k <= ref3 : k >= ref3; i = ref2 <= ref3 ? ++k : --k) {
        setLink(result.snapshotItem(i))
    }
}

linkify = function (node) {
    var result
    result = document.evaluate(xPath, node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null)
    return linkPack(result, 0)
}

linkFilter = function (node) {
    var j, len, tag
    for (j = 0, len = excludedTags.length; j < len; j++) {
        tag = excludedTags[j]
        if (tag === node.parentNode.localName.toLowerCase()) {
            return NodeFilter.FILTER_REJECT
        }
    }
    return NodeFilter.FILTER_ACCEPT
}

observePage = function (root) {
    var tW
    tW = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, { //+ NodeFilter.SHOW_ELEMENT,
        acceptNode: linkFilter
    }, false)
    while (tW.nextNode()) {
        setLink(tW.currentNode)
    }
}

observer = new window.MutationObserver(function (mutations) {
    var Node, j, k, len, len1, mutation, ref
    for (j = 0, len = mutations.length; j < len; j++) {
        mutation = mutations[j]
        if (mutation.type === "childList") {
            ref = mutation.addedNodes
            for (k = 0, len1 = ref.length; k < len1; k++) {
                Node = ref[k]
                observePage(Node)
            }
        }
    }
})

linkMixInit = function () {
    if (window !== window.top || window.document.title === "") {
        return
    }
    //console.time('a')
    linkify(document.body)
    //console.timeEnd('a')
    return observer.observe(document.body, {
        childList: true,
        subtree: true
    })
}

setTimeout(linkMixInit, 100)