ToLogseq Format Converter for ChatGPT

Convert markdown text to Logseq formatted Markdown text, which is available for ChatGPT and other similar tools using md format.
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// ==UserScript==
// @name         ToLogseq Format Converter for ChatGPT
// @name:zh-CN   ToLogseq Markdown格式转换器 for ChatGPT
// @namespace    http://tampermonkey.net/
// @version      0.2.5
// @description  Convert markdown text to Logseq formatted Markdown text, which is available for ChatGPT and other similar tools using md format.
// @description:zh-cn 将 Markdown 文本转换为 Logseq 格式的 Markdown 文本，可用于 ChatGPT 和其他使用 md 格式的类似工具。
// @author       Another_Ghost
// @match        https://*chat.openai.com/*
// @match        https://*chatgpt.com/*
// @icon         https://img.icons8.com/?size=50&id=1759&format=png
// @grant         GM_registerMenuCommand
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Create the button element
    const button = document.createElement('button');
    button.textContent = 'ToLogseq'; // Text displayed on the button
    button.style.position = 'fixed'; // Make button position fixed
    button.style.bottom = '100px';    // Distance from the bottom of the viewport
    button.style.right = '20px';     // Distance from the right of the viewport
    button.style.zIndex = '1000';    // Ensure the button is on top of other elements

    // Button click event
    button.onclick = ConvertCopy;

    // Append the button to the page
    document.body.appendChild(button);

    async function ConvertCopy() {
        try {
            let mark = "<!--Converted by ToLogseq-->";
            const clipboardText = await navigator.clipboard.readText(); // Read text from clipboard
            if(clipboardText.includes(mark))
            {
                showAlert('Already converted to Logseq!', 'orange');
            }
            else
            {
                let newText = ChatGPTToLogseq(clipboardText);
                newText = newText + "\n<!--Converted by ToLogseq-->";
                await navigator.clipboard.writeText(newText); // Write new text back to clipboard
                showAlert('Converted to Logseq!');
            }
        } catch (err) {
            console.error('Error converting to logseq:', err);
            showAlert('Failed to access clipboard', 'lightcoral');
        }
    }

    function showAlert(message, backgroundColor = 'lightgreen') {
        const alertBox = document.createElement('div');
        alertBox.textContent = message;
        alertBox.style.position = 'fixed';
        alertBox.style.bottom = '130px';
        alertBox.style.right = '20px';
        alertBox.style.backgroundColor = backgroundColor;
        alertBox.style.padding = '10px';
        alertBox.style.borderRadius = '5px';
        alertBox.style.zIndex = '1001';

        document.body.appendChild(alertBox);

        setTimeout(() => {
            document.body.removeChild(alertBox);
        }, 3000); // Alert box will disappear after 3 seconds
    }
})();

function ChatGPTToLogseq(text) {

    text = text.replace(/\\\[([\s\S]*?)\\\]/g, function(match, p1) { // 匹配单行公式
        return '$$' + p1.trim() + '$$'; 
    });
    text = text.replace(/^( *)- /gm, '$1  - '); // 在别的添加 - 操作之前
    text = text.replace(/^### \d+\. ?(.*)/gm, '- ### $1 \nlogseq.order-list-type:: number');
    text = text.replace(/^### (.*)/gm, '- ### $1');
    text = text.replace(/^( *)\d+\. ?(.*)/gm, '$1  - $2\nlogseq.order-list-type:: number');
    
    //替换所有代码块，删除空白行后再替换回来
    let codeMap = {};
    let codeIndex = 0;
    text = text.replace(/\n? *```([\s\S]*?)```/g, function(match, p1) {
        codeMap[codeIndex] = p1;
        return '```' + codeIndex++ + '```';
    });
    text = text.replace(/\n\s*\n( *- )?/g, function(match, p1) {
        if(match.match(/- $/)){
            return '\n'+ p1;
        }
        else{
            return '\n- ';
        }
    });
    text = text.replace(/```(\d+)```/g, function(match, p1) {
        return '```' + codeMap[p1] + '```';
    });
    return text;
}