R4 Utils Library
此脚本不应被直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.greasyfork.org/scripts/482597/1301960/R4%20Utils.js
// ==UserScript==
// @name R4 Utils
// @description R4 Utils Library
// @version 1.0.1
// ==/UserScript==
function R4Utils() {
/* ------------------------------------------------- */
/* --------------fromHTML--------------------------- */
/* ------------------------------------------------- */
function fromHTML(html, trim = true) {
// Process the HTML string.
html = trim ? html : html.trim();
if (!html) return null;
// Then set up a new template element.
const template = document.createElement('template');
template.innerHTML = html;
const result = template.content.children;
// Then return either an HTMLElement or HTMLCollection,
// based on whether the input HTML had one or more roots.
if (result.length === 1) return result[0];
return result;
}
/* ------------------------------------------------- */
/* --------------transliterate---------------------- */
/* ------------------------------------------------- */
function transliterate(word) {
let answer = "";
const a = {};
a["Ё"] = "YO";
a["Й"] = "I";
a["Ц"] = "TS";
a["У"] = "U";
a["К"] = "K";
a["Е"] = "E";
a["Н"] = "N";
a["Г"] = "G";
a["Ш"] = "SH";
a["Щ"] = "SCH";
a["З"] = "Z";
a["Х"] = "H";
a["Ъ"] = "'";
a["ё"] = "yo";
a["й"] = "i";
a["ц"] = "ts";
a["у"] = "u";
a["к"] = "k";
a["е"] = "e";
a["н"] = "n";
a["г"] = "g";
a["ш"] = "sh";
a["щ"] = "sch";
a["з"] = "z";
a["х"] = "h";
a["ъ"] = "'";
a["Ф"] = "F";
a["Ы"] = "I";
a["В"] = "V";
a["А"] = "A";
a["П"] = "P";
a["Р"] = "R";
a["О"] = "O";
a["Л"] = "L";
a["Д"] = "D";
a["Ж"] = "ZH";
a["Э"] = "E";
a["ф"] = "f";
a["ы"] = "i";
a["в"] = "v";
a["а"] = "a";
a["п"] = "p";
a["р"] = "r";
a["о"] = "o";
a["л"] = "l";
a["д"] = "d";
a["ж"] = "zh";
a["э"] = "e";
a["Я"] = "Ya";
a["Ч"] = "CH";
a["С"] = "S";
a["М"] = "M";
a["И"] = "I";
a["Т"] = "T";
a["Ь"] = "'";
a["Б"] = "B";
a["Ю"] = "YU";
a["я"] = "ya";
a["ч"] = "ch";
a["с"] = "s";
a["м"] = "m";
a["и"] = "i";
a["т"] = "t";
a["ь"] = "'";
a["б"] = "b";
a["ю"] = "yu";
for (const i in word) {
if (word.hasOwnProperty(i)) {
answer += a[word[i]] === undefined ? word[i] : a[word[i]];
}
}
return answer;
}
/* ------------------------------------------------- */
/* --------------slugify---------------------------- */
/* ------------------------------------------------- */
function slugify(str) {
return String(str)
.normalize("NFKD") // split accented characters into their base characters and diacritical marks
.replace(/[\u0300-\u036f]/g, "") // remove all the accents, which happen to be all in the \u03xx UNICODE block.
.trim() // trim leading or trailing whitespace
.toLowerCase() // convert to lowercase
.replace(/[^a-z0-9 -]/g, "") // remove non-alphanumeric characters
.replace(/\s+/g, "-") // replace spaces with hyphens
.replace(/-+/g, "-"); // remove consecutive hyphens
}
/* ------------------------------------------------- */
/* --------------executeLocation-------------------- */
/* ------------------------------------------------- */
class AsyncLock {
constructor () {
this.release = () => {}
this.promise = Promise.resolve()
}
acquire () {
this.promise = new Promise(resolve => this.release = resolve)
}
}
const execute_location_lock = new AsyncLock();
function executeLocation(func, vars = {}, prefix = "ExecuteLocation", lock = execute_location_lock) {
return new Promise((resolve, reject) => {
// Wait for the lock to be released
lock.promise.then(() => {
// Acquire the lock
lock.acquire();
try {
// Convert the function to a string of code
const funcString = `(${func.toString()})()`;
// Define a new CustomEvent that will be dispatched when the function finishes executing
const eventName = prefix + Math.random().toString(36).substring(7);
// Listen for the function executed event
document.addEventListener(eventName, (event) => {
resolve(event.detail.result);
// Release the lock
lock.release();
});
// Convert the vars object to a string of code that defines these variables
const varsString = Object.entries(vars).map(([name, value]) => {
return `var ${name} = ${JSON.stringify(value)};`;
}).join('');
// Use location.assign to execute the function in the global scope
// The function result is sent as a CustomEvent
location.assign(`javascript:(function() {
${varsString}
const result = ${funcString};
const event = new CustomEvent('${eventName}', { detail: { result: result } });
document.dispatchEvent(event);
})();void(0)`);
} catch (e) {
reject(e);
// Release the lock in case of an error
lock.release();
}
});
});
}
return {
fromHTML,
transliterate,
slugify,
executeLocation,
};
}