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External link newtaber

this code opens external links in new tab on all sites (now may work on dynamic lists of links such as search results)

当前为 2018-04-24 提交的版本，查看 最新版本。

// ==UserScript==
// @name            External link newtaber
// @namespace       almaceleste
// @version         0.2.2
// @description     this code opens external links in new tab on all sites (now may work on dynamic lists of links such as search results)
// @description:ru  этот код открывает внешние ссылки в новой вкладке на всех сайтах (теперь может работать с динамическими списками ссылок, такими как результаты поисковых запросов)
// @author          (ɔ) Paola Captanovska
// @license         AGPL-3.0; http://www.gnu.org/licenses/agpl.txt
// @icon            https://cdn1.iconfinder.com/data/icons/feather-2/24/external-link-32.png
// @icon64          https://cdn1.iconfinder.com/data/icons/feather-2/24/external-link-128.png

// @homepageURL     https://greasyfork.org/en/users/174037-almaceleste
// @homepageURL     https://openuserjs.org/users/almaceleste
// @homepageURL     https://github.com/almaceleste/userscripts
// @supportURL      https://github.com/almaceleste/userscripts/issues

// @run-at          document-start
// @require         https://openuserjs.org/src/libs/sizzle/GM_config.js
// @grant           GM_getValue
// @grant           GM_setValue
// @grant           GM_registerMenuCommand
// @grant           GM_openInTab

// @match           http*://*/*
// ==/UserScript==

// ==OpenUserJS==
// @author almaceleste
// ==/OpenUserJS==

const windowcss = '#allnewtaberCfg {background-color: lightblue;} #allnewtaberCfg .reset_holder {float: left; position: relative; bottom: -1em;} #allnewtaberCfg .saveclose_buttons {margin: .7em;}';
const iframecss = 'height: 30.1em; width: 30em; border: 1px solid; border-radius: 3px; position: fixed; z-index: 999;';

var host = window.location.hostname;
var flat = host.replace(/\..*/, '');
var root = host.replace(/^[^.]*\./, '');
var child = '*.' + host;
var next = '*.' + root;

GM_registerMenuCommand('External link newtaber Settings', opencfg);

function opencfg()
{
	GM_config.open();
	allnewtaberCfg.style = iframecss;
}

GM_config.init(
{
    id: 'allnewtaberCfg',
    title: 'External link newtaber',
    fields:
    {
        level:
        {
            section: ['Exclusions', 'Exclude these domains (do not open in new tab)'],
            label: 'do not exclude parent and neighbor sites if parent site is a root domain like .com',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
        root:
        {
            label: 'parent site links (' + root + ')',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
        next:
        {
            label: 'neighbor site links (' + next + ')',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
        host:
        {
            label: 'this site links (' + host + ')',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
        child:
        {
            label: 'child site links (' + child + ')',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
        background:
        {
            section: ['Options', 'Other options'],
            label: 'open new tab in background',
            labelPos: 'right',
            type: 'checkbox',
            default: false,
        },
        insert:
        {
            label: 'insert new tab next to the current instead of the right end',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
        setParent:
        {
            label: 'return to the current tab after new tab closed',
            labelPos: 'right',
            type: 'checkbox',
            default: true,
        },
    },
    css: windowcss,
    events:
    {
        save: function() {
            GM_config.close();
        }
    },
});

(function() {
    'use strict';

    var empty = new RegExp('^$');
    var patternroot = empty;
    var patternhost = empty;
    host = host.replace(/\./g, '\\\.');
    root = root.replace(/\./g, '\\\.');
    var background = GM_config.get('background');
    var options = {active: !GM_config.get('background'), insert: GM_config.get('insert'), setParent: GM_config.get('setParent')};

    if (GM_config.get('root')){patternroot = new RegExp('^' + root + '$');}    // abc.x               => ^abc\.x$
    if (GM_config.get('next')){
        if (GM_config.get('root')){
            patternroot = new RegExp('[^(' + flat + '\.)]?' + root + '$');     // abc.x + *.abc.x     => [^(w\.)]?abc\.x$
        }
        else {patternroot = new RegExp('[^(' + flat + ')]?\.' + root + '$');}  // *.abc.x             => [^(w)]?\.abc\.x$
    }
    if (GM_config.get('level') && root.search(/\..+\./) == -1){patternroot = empty;}
    if (GM_config.get('host')){patternhost = new RegExp('^' + host + '$');}    // w.abc.x             => ^w\.abc\.x$
    if (GM_config.get('child')){
        if (GM_config.get('host')){
            patternhost = new RegExp('(.+\.)?' + host + '$');                  // w.abc.x + *.w.abc.x => (.+\.)?w\.abc\.x$
        }
        else {patternhost = new RegExp('.+\.' + host + '$');}                  // *.w.abc.x           => .+\.w\.abc\.x$
    }

    window.onload = function(){
        var anchors= document.getElementsByTagName('a');

        for (var i = 0; i < anchors.length; i++) {
            var a = anchors[i];
            var target = a.host;
            if (a.hasAttribute('href')){
                if (target && !empty.test(target)){
                    if (!patternroot.test(target) && !patternhost.test(target)){
                        // a.target = '_blank';
                        a.addEventListener('click', newtaber);
                    }
                }
            }
        }
    };

    function newtaber(e){
        e.preventDefault();
        e.stopPropagation();
        GM_openInTab(this.href, options);
    }
})();