UnURLencode

Decode percent-encoded text on visited web pages

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         UnURLencode
// @namespace    lainscripts_unurlencode
// @version      0.2
// @description  Decode percent-encoded text on visited web pages
// @author       lainverse
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    let pctdetect = /%[0-9A-F][0-9A-F]/,
        pctmatch = /(%[0-9A-F][0-9A-F])+/g;
    function crawler(node) {
        switch (node.nodeType) {
            case Node.ELEMENT_NODE:
                for (let child of node.childNodes) {
                    if (pctdetect.test(child.textContent)) {
                        crawler(child);
                    }
                }
                break;
            case Node.TEXT_NODE:
                node.nodeValue = node.nodeValue.replace(pctmatch, function(match){
                    try {
                        return decodeURIComponent(match);
                    } catch(ignore) {
                        return match;
                    }
                });
        }
    }
    crawler(document.documentElement);

    let o = new MutationObserver(function(mutations) {
        let mutation, node;
        for (mutation of mutations) {
            for (node of mutation.addedNodes) {
                crawler(node);
            }
        }
    });
    o.observe(document.documentElement, {
        childList: true,
        characterData: true,
        subtree: true
    });
})();