replace words
// ==UserScript==
// @name Replacer
// @namespace http://tampermonkey.net/
// @version 1.3
// @license MIT
// @description replace words
// @author Shuraken007
// @include https://*/*
// @include http://*/*
// ==/UserScript==
/* jshint esversion: 8 */
load_config("https://api.npoint.io/ecef5ef17a23b6bd2222");
addEventListener("load", main);
var replacements = null;
var config_data = null;
const observer = new MutationObserver(run_mutations);
const timer = ms => new Promise(res => setTimeout(res, ms));
async function main() {
'use strict';
'esversion: 8';
var counter = 0;
while (!replacements) {
await timer(200);
counter++;
if (counter > 10) {
throw new Error("config with replacements not loaded");
}
}
console.log("config loaded!");
if (replacements.length == 0) {
console.log("no replacements for this site!");
return;
}
observer.observe(document.body, { childList: true, subtree: true });
replaceText(document.body);
}
async function load_config(link) {
var restored_config_as_str = await localStorage.getItem("replacement_json_config");
var restored_config_as_json = null;
if (restored_config_as_str) {
build_suited_config(restored_config_as_str, null, true);
}
fetch(link)
.then(response => response.text())
.then(str => build_suited_config(str, restored_config_as_str))
.catch(err => console.log(err));
}
function build_suited_config(data, restored_data=null, is_fast_load=false) {
if (!is_fast_load && restored_data && data === restored_data) {
return;
}
var data_as_json = JSON.parse(data);
var cur_url = window.location.href;
var new_replacements = [];
for (const [k, v] of Object.entries(data_as_json)) {
let url_token = tokenToRegex(k, true);
url_token = new RegExp(url_token);
if (!url_token.test(cur_url)) {
continue;
}
for (let i = 0; i < v.length; i += 2) {
let regex = tokenToRegex(v[i]);
let replacement = tokenToRegex(v[i + 1]);
new_replacements.push(regex);
new_replacements.push(replacement);
}
}
replacements = new_replacements;
config_data = data;
//console.log(replacements)
if (!is_fast_load) {
localStorage.setItem("replacement_json_config", data);
console.log('config updated');
replaceText(document.body);
}
}
function run_mutations(mutations) {
mutations.forEach(mutation => {
if (mutation.type === "childList") {
mutation.addedNodes.forEach(node => {
replaceText(node);
});
}
});
}
function replaceText(node) {
switch (node.nodeType) {
case Node.ELEMENT_NODE:
node.childNodes.forEach(replaceText);
break;
case Node.TEXT_NODE: {
let text = node.textContent;
if (!text) { break; }
// console.log(node.nodeType, node.nodeValue)
let new_text = make_replacements(text);
if (text != new_text) { node.textContent = new_text; }
break;
}
case Node.DOCUMENT_NODE:
node.childNodes.forEach(replaceText);
}
}
function make_replacements(text) {
for (let i = 0; i < replacements.length; i += 2) {
let regex = replacements[i];
let replacement = replacements[i + 1];
text = text.replaceAll(regex, replacement);
}
return text;
}
// prepareRegex by JoeSimmons
// used to take a string and ready it for use in new RegExp()
function prepareRegex(string) {
// escape: []^&$.()?/\+{}|
string = string.replace(/([\[\]\^\&\$\.\(\)\?\/\\\+\{\}\|])/g, '\\$1');
// '*' -> '[^ ]*', but '\*' -> '*'
string = string.replace(/\\?\*/g, function (fullMatch) {
return fullMatch === '\\*' ? '*' : '[^ ]*';
});
return string;
}
function getRegFromString(string) {
var a = string.split("/");
let modifiers = a.pop();
a.shift();
let pattern = a.join("/");
if (!modifiers.includes('g')) {
modifiers += 'g';
}
// console.log(`pattern: ${pattern}, modifiers: ${modifiers}`)
return new RegExp(pattern, modifiers);
}
var rIsRegexp = /^\/(.+)\/([gim]+)?$/;
function tokenToRegex(string, is_prepared = false) {
if (string.match(rIsRegexp)) {
// console.log(`user_regexp: ${string}`)
return getRegFromString(string);
}
if (is_prepared) {
string = prepareRegex(string);
return new RegExp(string);
}
return string;
}