Kana Convert Script

This script randomly converts kanji on webpages to hiragana.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Kana Convert Script
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  This script randomly converts kanji on webpages to hiragana.
// @author       Wantitled
// @require      http://code.jquery.com/jquery-3.4.1.min.js
// @match        https://www3.nhk.or.jp/*
// @match        https://ja.wikipedia.org/*
// @grant        none
// @license      MIT
// ==/UserScript==

// ============================= Config =============================

// APIKEY is a personal key which can be created via the steps listed here: https://labs.goo.ne.jp/apiusage/
const APIKEY = '';

// probability sets the amount of kanji on a page that will be converted, which goes up to 100 for all kanji (although most likely not all kanji will be converted).
// The API calls can be quite slow so above 50 is not recommended.
const probability = 30;

// leftHighlight and rightHighlight highlight where the converted kana is and can be left blank
const leftHighlight = "";
const rightHighlight = "";

// maxChunkSize determines the maximumm size of a chunk of text that will be converted
const maxChunkSize = 30;

// ==================================================================

(function() {
    'use strict';
    const textReg1 = / \\+ /g;
    const textReg2 = /[一-龠]+|[ぁ-ゔ]+|[ァ-ヴー]+|[a-zA-Z0-9]+|[a-zA-Z0-9]+|[々〆〤ヶ]+/u;
    let convertedText;

    var convertText = (text) => {
        return $.ajax({
            url: "https://labs.goo.ne.jp/api/hiragana",
            type: "POST",
            async: false,
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            data: JSON.stringify({
                                  'app_id': APIKEY,
                                  'sentence':text,
                                  'output_type':'hiragana'
                                 }),
            success: function (result){
                return result.converted;
            },
            error: function(error){
                console.log("Error: ", error);
            }
        }).responseJSON.converted;
    }

    var decideConvert = (val) => {
        return Math.floor(Math.random() * 100) <= val;
    }

    var convertSection = (text) => {
        let textArr = text.split(/(?![一-龠]+|[ぁ-ゔ]+|[ァ-ヴー]+|[a-zA-Z0-9]+|[a-zA-Z0-9]+|[々〆〤ヶ]+)/u);
        let returnArr = [];
        for (let i = 0; i < textArr.length; i++){
            if (decideConvert(probability) && textArr[i].length <= maxChunkSize && /[一-龠]+/u.test(textArr[i])){
                convertedText = convertText(textArr[i]);
                if (convertedText !== undefined){
                    textArr[i] = leftHighlight+convertedText+rightHighlight;
                }
            }
        }
        return textArr.join("");
    }

    $(document).ready(function(){

        (function() {
            var treeWalker = document.createTreeWalker(
                document.body,
                NodeFilter.SHOW_TEXT,
                { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } }
            );
            var currentNode = treeWalker.currentNode;
            while(currentNode) {
                if (currentNode.nodeType == 3
                    && !textReg1.test(currentNode.textContent) && textReg2.test(currentNode.textContent)){
                    if (currentNode.parentNode.nodeName !== "SCRIPT"
                        && currentNode.parentNode.nodeName !== "IMG"
                        && currentNode.parentNode.nodeName !== "CITE"
                        && currentNode.parentNode.nodeName !== "STYLE"
                        && currentNode.parentNode.nodeName !== "IMG"
                        && currentNode.parentNode.nodeName !== "NOSCRIPT"
                       ){
                        if(decideConvert(probability)){
                            currentNode.textContent = convertSection(currentNode.textContent);
                        }
                    }
                }
                currentNode = treeWalker.nextNode();
            }
        })()
     })

})();