owowify website

owowify website evewywhewe! >w<

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 or Violentmonkey 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.

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

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        owowify website
// @description owowify website evewywhewe! >w<
// @author      rssaromeo
// @version     3
// @license     GPL-3.0-or-later
// @match       *://*/*
// @grant       none
// @run-at      document-end
// @copyright   All rights reserved. Licensed under GPL-3.0-or-later. View license at https://spdx.org/licenses/GPL-3.0-or-later.html
// @namespace https://greasyfork.org/users/1184528
// ==/UserScript==

/**
 * wincesed undew GNYU! GPL vewsion 3.0 -w-
 */

const blocklistTags = "style, script, svg, noscript, iframe, object, code, pre, input";

!function () {
    const updateSubtreeOwowification = () => {
      owowifySubtree(document.body)
        // setTimeout(() => , 700);
    };
    const windowHrefCheck = stateCheck(
        () => window.location.href,
        () => updateSubtreeOwowification()
    );
    const documentTitleCheck = stateCheck(
        () => owowify(document.title)
    );

    const observer = new MutationObserver((records) => {
        if (windowHrefCheck()) return;

        documentTitleCheck();

        for (const record of records) {
            for (const newNode of record.addedNodes) {
                owowifySubtree(newNode);
            }
        }
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true,
        /* don't use characterData, it'll kill your page */
    });

    owowifySubtree(document.body);
    document.title = owowify(document.title);

    function stateCheck(newValueGetter, callback) {
        let value = newValueGetter;

        return () => {
            const newValue = newValueGetter();
            if (value != newValue) {
                value = newValue;
                callback?.();
                return true;
            }
        };
    }
}();

/** @param {Element} element */
function owowifySubtree(element) {
    if (element.nodeType != Node.ELEMENT_NODE) return;

    const currentElementValid =
        isElementValidOwowify(element) &&
        isElementValidOwowify(element.parentElement);

    if (!currentElementValid) {
        element.noOwowify = true;
    }

    if (element instanceof HTMLInputElement) {
        if (element.readOnly && !["password", "url", "hidden"].includes(element.type)) {
            element.value = owowify(element.value);
            element.placeholder = owowify(element.placeholder);
        }
    }

    if (element.hasAttribute("title")) {
        element.setAttribute("title", owowify(element.getAttribute("title")));
    }

    for (const node of element.childNodes) {
        if (node.nodeType == Node.ELEMENT_NODE) {
            owowifySubtree(node);
        }
        if (node.nodeType == Node.TEXT_NODE && currentElementValid) {
            owowifyTextNode(node);
        }
    }
}

/** @param {Node} node */
function owowifyTextNode(node) {
    if (node.nodeType == Node.TEXT_NODE) {
        node.nodeValue = owowify(node.nodeValue);
    }
}

/** @param {Element} element */
function isElementValidOwowify(element) {
    if (element == null) return null;
    if (element.noOwowify || element.classList?.contains?.("-owo-no-owowify")) return false;
    if (element instanceof HTMLInputElement) {
        return !element.textContent.includes(element.href);
    }
    return !(element.matches(blocklistTags) || element.isContentEditable);
}

/**
 * @param {String} inputText
 * @returns {String}
 */
function owowify(inputText) {
    const endSentencePattern = String.raw`([\w ,.!?]+)?`; // endSentencePattern
    // const endSentencePattern1 = String.raw`([\w ,.?]+)?`; // endSentencePattern without "!" sign
    // const endSentencePattern2 = String.raw`([\w ,.]+)?`; // endSentencePattern without "!" and "?" sign
    const vowel = "[aiueo]";
    const vowelNoE = "[aiuo]"; // vowel without e
    const vowelNoIE = "[auo]"; // vowel without i and e
    const zackqyWord = "[jzckq]";

    const result = inputText
    // OwO emote
        .replace(reg`/(i(?:'|)m(?:\s+|\s+so+\s+)bored)${endSentencePattern}/gi`, subOwoEmote("-w-"))
        .replace(reg`/(love\s+(?:you|him|her|them))${endSentencePattern}/gi`, subOwoEmote("uwu"))
        .replace(reg`/(i\s+don(?:'|)t\s+care|i\s*d\s*c)${endSentencePattern}/gi`, subOwoEmote("0w0"))
    // world substitution
        .replace(reg`/l[ou]ve?/gi`, $0 => subSameCase($0, "luv"))
    // OwO translation
    /* replace all "r" to "w", no exception! */
        .replace(/r/gi, $0 => subSameCase($0, "w"))
    /* lame -> wame, goal -> goaw, gallery -> gallewy, lol -> lol, null -> null */
    // loaded -> woaded
        .replace(reg`/(?<!([wl]${vowel}+)|l)l(?!([wl]))/gi`, $0 => subSameCase($0, "w"))
    /* na -> nya, nu -> nyu, no -> nyo, ne -> nye */
    // completionInfo -> compwetionInfo instead of compwetionYInfo
        .replace(reg`/[nN](${vowelNoE}+)/g`,
            ($0, $vowel) => subSameCase($0 + $vowel, `ny${$vowel}`))
        .replace(reg`/N(${vowelNoE.toUpperCase()}+)/g`,
            ($0, $vowel) => subSameCase($0 + $vowel, `ny${$vowel}`))
    /* ma -> mya, mu -> myu, mo -> myo */
        .replace(reg`/m(${vowelNoIE}+)(?!w*${zackqyWord})/gi`,
            ($0, $vowel) => subSameCase($0 + $vowel, `my${$vowel}`))
    /* pa -> pwa, pu -> pwu, po -> pwo */
        .replace(reg`/p(${vowelNoIE}+)(?!w*${zackqyWord})/gi`,
            ($0, $vowel) => subSameCase($0 + $vowel, `pw${$vowel}`));

    return result;
}

function subOwoEmote(emote) {
    const matchEndSpace = /^\s+$/g;

    return ($0, $setenceBeforeEnd, $endSentence) => {
        if ($endSentence == undefined || matchEndSpace.test($endSentence)) {
            return `${$setenceBeforeEnd} ${emote}`;
        }
        else return $0;
    }
}

/**
 * @param {string} inputText
 * @param {string} replaceText
 */
function subSameCase(inputText, replaceText) {
    let result = "";

    for (let i = 0; i < replaceText.length; i++) {
        if (inputText[i] != undefined && replaceText[i] != undefined) {
            if (inputText[i].toUpperCase() == inputText[i]) {
                result += replaceText[i].toUpperCase();
            }
            else if (inputText[i].toLowerCase() == inputText[i]) {
                result += replaceText[i].toLowerCase();
            }
            else {
                result += replaceText[i];
            }
        }
        else {
            result += replaceText[i];
        }
    }

    return result;
}

/** @param {[string[], ...any[]]} templateArgs */
function reg(...templateArgs) {
    const rawString = String.raw(...templateArgs);
    const pattern = rawString.substring(1, rawString.lastIndexOf("/"));
    const flags = rawString.substring(rawString.lastIndexOf("/")+1, rawString.length);

    return new RegExp(pattern, flags);
}