Base64 unicode support

Wraps atob & btoa functions for unicode conversions

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Base64 unicode support
// @namespace    https://greasyfork.org/users/471937
// @version      0.1
// @description  Wraps atob & btoa functions for unicode conversions
// @author       YukkuriC
// @match        */*
// @icon         https://screeps.com/a/icon.png
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    decorator(window, 'atob', func => b64 => decodeURIComponent(escape(func(b64))))
    decorator(window, 'btoa', func => data => func(unescape(encodeURIComponent(data))))

    function decorator(obj, key, deco) {
        var func = obj[key]
        if (func.deco_mark) return
        var alt_func = deco(func),
            res = function (data) {
                try {
                    return func(data)
                } catch (e) {
                    return alt_func(data)
                }
            }
        res.deco_mark = true
        obj[key] = res
    }
})();