Kyujitai Converter

Change the Kanjis to the old fonts.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name              Kyujitai Converter
// @name:ja-JP        舊字體コンバーター(旧字体コンバーター)
// @namespace         https://github.com/
// @version           0.90.3
// @description       Change the Kanjis to the old fonts.
// @description:ja-JP 漢字を舊字體に變更する。
// @author            Ostrichbeta Chan
// @license           GPL-3.0
// @match             *://*/*
// @icon              data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @require           https://code.jquery.com/jquery-3.6.1.min.js
// @grant             GM_xmlhttpRequest
// @connect           raw.githubusercontent.com
// @run-at            document-end
// ==/UserScript==

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    window.jQuery361 = $.noConflict(true); // Avoid the confliction with the original page

    const kyujitaiCSVURL = "https://raw.githubusercontent.com/Ostrichbeta/kyujitai-conversion/main/convert.csv";

    // Recursively traverse the given node and its descendants (Depth-first search)
    function scanTextNodes(node, ref) {
        let lang = document.documentElement.lang;
        if (!(["ja", "ja-jp"].includes(lang.toLowerCase()))) {
            return;
        }
        // The node could have been detached from the DOM tree
        if (!node.parentNode || !document.body.contains(node)) {
            return;
        }

        // Ignore text boxes and echoes
        var excludeTags = {ruby: true, script: true, select: true, textarea: true};

        switch (node.nodeType) {
        case Node.ELEMENT_NODE:
            if (node.tagName.toLowerCase() in excludeTags || node.isContentEditable) {
                return;
            }
            return node.childNodes.forEach((element) => scanTextNodes(element, ref));

        case Node.TEXT_NODE:
            ((node = convertNode(node, ref)));
        }
    }

    function convertNode(node, ref) {
        node.nodeValue = convertText(node.nodeValue, ref);
        return node;
    }

    function convertTitle(title, ref){
        let lang = document.documentElement.lang;
        if (!(["ja", "ja-jp"].includes(lang.toLowerCase()))) {
            return;
        }
        document.title = convertText(title, ref);
    }

    function convertText(text, ref) {
        if (! (ref instanceof Array)) {
            console.error("Invalid ref.");
            return "";
        }

        let originalText = text;
        for (let index = ref.length - 1; index >= 0; index--) {
            currentRef = ref[index];
            shinList = currentRef.map((item) => item["New"]);
            shinConv = currentRef.reduce(function(map, obj) {
                map[obj["New"]] = obj["Old"];
                return map;
            }, {});
            variationSymbolRemovePattern = new RegExp("([\ufe00-\ufe0f]|\udb40[\udd00-\uddef])+", "g");
            originalText = originalText.replace(variationSymbolRemovePattern, ((m) => ("")));
            regexPattern = new RegExp("(" + shinList.join("|") + ")", "g");
            originalText = originalText.replace(regexPattern, ((m) => (shinConv[m])));
        }
        return originalText;
    }

    var s = GM_xmlhttpRequest({
        method: "GET",
        url: kyujitaiCSVURL,
        onload: function(response) {
            csvObj = response.responseText;
            try {
                console.log("Kyujitai Converter: Successfully loaded from GitHub.")
                jsonOBJ = Papa.parse(csvObj, {header: true});
                jsonOBJ["data"] = jsonOBJ["data"].filter((item) => Object.keys(item).length == 2);
                arrayByLength = [];
                let i = 1;
                let count = 0;
                while (count < jsonOBJ["data"].length) {
                    lengthList = jsonOBJ["data"].filter((item) => item["New"].length == i);
                    arrayByLength.push(lengthList);
                    count += lengthList.length;
                    i += 1;
                };

                setInterval(scanTextNodes, 1000, document.body, arrayByLength);
                setInterval(convertTitle, 1000, document.title, arrayByLength);
            } catch (error) {
                console.error("An error occurred while processing database.", error)
            }
        },
        onerror: function(response) {
            console.error("Could not fetch the conversion database.", response.statusText);
        }
    })
})();