gives user possibility to clear website data, directly from page user uses.
// ==UserScript==
// @name Cat Cleaner+++
// @namespace -
// @version 1.1.1
// @description gives user possibility to clear website data, directly from page user uses.
// @author NotYou
// @include *
// @match *://*/*
// @run-at document-body
// @license GPL-3.0-or-later
// @grant GM.registerMenuCommand
// @grant GM.notification
// ==/UserScript==
/*
ICONS LICENSED UNDER "Linkware" LICENSE
BACKLINK: http://www.iconka.com
README FILE: https://iconarchive.com/icons/iconka/meow/meow-me.txt
*/
(function() {
const TITLE = 'Cat Cleaner+++'
if(!GM.registerMenuCommand) {
warn('No GM.registerMenuCommand, initialization is aborted')
return void 0
}
const REGISTER_DATA = [
{
label: 'Clear Cookies',
icon: 'https://icons.iconarchive.com/icons/iconka/meow/128/cat-clean-icon.png',
onclick: clearCookies,
text: 'Cookies for that website are cleared.',
},
{
label: 'Clear Local Storage',
icon: 'https://icons.iconarchive.com/icons/iconka/meow/128/cat-walk-icon.png',
onclick: clearLocalStorage,
text: 'Local storage for that website is cleared.',
},
{
label: 'Clear Session Storage',
icon: 'https://icons.iconarchive.com/icons/iconka/meow/128/cat-poo-icon.png',
onclick: clearSessionStorage,
text: 'Session storage for that website is cleared.',
},
{
label: 'Clear Cache',
icon: 'https://icons.iconarchive.com/icons/iconka/meow-2/128/cat-paper-icon.png',
onclick: clearCache,
text: 'Cache storage for that website is cleared.',
},
{
label: 'Clear IndexedDB (Chrome-based browsers only)',
icon: 'https://icons.iconarchive.com/icons/iconka/meow-2/128/cat-paper-icon.png',
onclick: clearIndexedDB,
text: 'Indexed databases for that website are cleared.',
},
{
label: 'Clear Everything',
icon: 'https://icons.iconarchive.com/icons/iconka/meow/128/cat-grumpy-icon.png',
onclick: clearEverything,
text: 'Cookies, local storage, session storage, cache storage, indexed db for that website are cleared.',
}
]
for (let i = 0; i < REGISTER_DATA.length; i++) {
const currentRegisterData = REGISTER_DATA[i]
const { label, icon, onclick, text } = currentRegisterData
GM.registerMenuCommand(label, () => {
let validFunctionInitialization = false
try {
validFunctionInitialization = onclick()
} catch(e) {
warn(onclick.name + ' function failed initialization, error: ' + e)
}
if(validFunctionInitialization) {
if(GM.notification) {
GM.notification({
title: TITLE,
image: icon,
text
})
} else {
warn(text)
}
}
})
}
function clearCookies() {
const cookieLength = document.cookie.split(';').length
for (let i = 0; i < cookieLength; i++) {
const cookie = document.cookie
document.cookie = cookie + ';max-age=0'
}
return true
}
function clearLocalStorage() {
localStorage.clear()
return true
}
function clearSessionStorage() {
sessionStorage.clear()
return true
}
function clearCache() {
caches.keys().then(keyList =>
Promise.all(keyList.map(key =>
caches.delete(key)
)
))
return true
}
function clearIndexedDB() {
if(!indexedDB.databases) {
warn('This function is only for Chrome-based browsers!')
return false
}
indexedDB.databases().then(databases => {
databases.forEach(database => {
indexedDB.deleteDatabase(database)
})
})
return true
}
function clearEverything() {
clearCookies()
clearLocalStorage()
clearSessionStorage()
clearCache()
clearIndexedDB()
return true
}
function warn(message) {
alert(TITLE + '\n' + message)
}
})()