Webpage Source Viewer and Text Replacer

Fetch, display, improve, and replace text in the HTML, CSS, and JavaScript of a webpage with a clean white theme.

目前為 2024-12-07 提交的版本,檢視 最新版本

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         Webpage Source Viewer and Text Replacer
// @namespace    https://greasyfork.org/users/123456-ramen-sukuna
// @version      1.0
// @description  Fetch, display, improve, and replace text in the HTML, CSS, and JavaScript of a webpage with a clean white theme.
// @author       Ramen Sukuna🍜
// @match        *://*/*
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @icon         https://attic.sh/nvbu08kd47uzl3mf9cpisiazptio
// ==/UserScript==

(function () {
    'use strict';

    const guiHTML = `
        <div id="sourceViewer" style="position:fixed; top:10%; left:10%; width:80%; height:80%; background:white; color:black; border:2px solid black; z-index:9999; overflow:auto; padding:10px; display:none; font-family: Arial, sans-serif;">
            <button id="closeSourceViewer" style="position:absolute; top:5px; right:5px; background:white; color:black; border:1px solid black;">Close</button>
            <h3>Webpage Source Viewer</h3>
            <label>Enter URL:</label>
            <input type="text" id="sourceUrl" style="width:50%; color:black; background:white; border:1px solid black;" placeholder="e.g., https://example.com">
            <br><br>
            <label>Find:</label>
            <input type="text" id="findText" style="width:30%; color:black; background:white; border:1px solid black;" placeholder="Text to find">
            <span style="margin:0 10px;">to</span>
            <label>Replace:</label>
            <input type="text" id="replaceText" style="width:30%; color:black; background:white; border:1px solid black;" placeholder="Text to replace with">
            <br><br>
            <button id="fetchSource" style="background:white; color:black; border:1px solid black;">Fetch Source</button>
            <button id="replaceSourceText" style="background:white; color:black; border:1px solid black;">Replace Text</button>
            <button id="improveSource" style="background:white; color:black; border:1px solid black;">Improve💪</button>
            <hr>
            <div id="sourceResults">
                <h4>HTML</h4>
                <textarea id="htmlSource" style="width:100%; height:150px; background:white; color:black; border:1px solid black;" readonly></textarea>
                <button class="copyButton" data-target="htmlSource" style="background:white; color:black; border:1px solid black;">Copy HTML</button>
                <h4>CSS</h4>
                <textarea id="cssSource" style="width:100%; height:150px; background:white; color:black; border:1px solid black;" readonly></textarea>
                <button class="copyButton" data-target="cssSource" style="background:white; color:black; border:1px solid black;">Copy CSS</button>
                <h4>JavaScript</h4>
                <textarea id="jsSource" style="width:100%; height:150px; background:white; color:black; border:1px solid black;" readonly></textarea>
                <button class="copyButton" data-target="jsSource" style="background:white; color:black; border:1px solid black;">Copy JavaScript</button>
            </div>
        </div>
        <button id="openSourceViewer" style="position:fixed; bottom:10px; right:10px; background:white; color:black; border:1px solid black; z-index:9999;">View Source</button>
    `;
    document.body.insertAdjacentHTML('beforeend', guiHTML);

    GM_addStyle(`
        #sourceViewer textarea {
            font-family: monospace;
        }
        #sourceViewer button {
            margin: 5px;
        }
    `);

    const sourceViewer = document.getElementById('sourceViewer');
    const openButton = document.getElementById('openSourceViewer');
    const closeButton = document.getElementById('closeSourceViewer');
    const fetchButton = document.getElementById('fetchSource');
    const replaceButton = document.getElementById('replaceSourceText');
    const improveButton = document.getElementById('improveSource');

    openButton.addEventListener('click', () => {
        sourceViewer.style.display = 'block';
    });

    closeButton.addEventListener('click', () => {
        sourceViewer.style.display = 'none';
    });

    fetchButton.addEventListener('click', () => {
        const url = document.getElementById('sourceUrl').value;
        if (!url) {
            alert('Please enter a URL!');
            return;
        }

        GM_xmlhttpRequest({
            method: 'GET',
            url: url,
            onload: function (response) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(response.responseText, 'text/html');
                document.getElementById('htmlSource').value = response.responseText;
                const stylesheets = Array.from(doc.querySelectorAll('link[rel="stylesheet"], style'));
                const css = stylesheets.map(sheet => sheet.outerHTML).join('\n');
                document.getElementById('cssSource').value = css;
                const scripts = Array.from(doc.querySelectorAll('script')).map(script => script.outerHTML).join('\n');
                document.getElementById('jsSource').value = scripts;
            },
            onerror: function () {
                alert('Failed to fetch the webpage. Please check the URL and try again.');
            }
        });
    });

    replaceButton.addEventListener('click', () => {
        const findText = document.getElementById('findText').value;
        const replaceText = document.getElementById('replaceText').value;

        if (!findText) {
            alert('Please enter text to find!');
            return;
        }

        ['htmlSource', 'cssSource', 'jsSource'].forEach((id) => {
            const textarea = document.getElementById(id);
            textarea.value = textarea.value.split(findText).join(replaceText);
        });

        alert(`Replaced all occurrences of "${findText}" with "${replaceText}".`);
    });

    improveButton.addEventListener('click', () => {
        const htmlSource = document.getElementById('htmlSource').value;
        const cssSource = document.getElementById('cssSource').value;
        const jsSource = document.getElementById('jsSource').value;

        const formatCode = (code, type) => {
            try {
                if (type === 'html') {
                    return new DOMParser().parseFromString(code, 'text/html').documentElement.outerHTML;
                } else if (type === 'css') {
                    return code.replace(/\s+/g, ' ').trim();
                } else if (type === 'js') {
                    return js_beautify(code); // Use js-beautify if available
                }
            } catch (error) {
                return code;
            }
        };

        document.getElementById('htmlSource').value = formatCode(htmlSource, 'html');
        document.getElementById('cssSource').value = formatCode(cssSource, 'css');
        document.getElementById('jsSource').value = formatCode(jsSource, 'js');
        alert('Source improved successfully!');
    });

    document.querySelectorAll('.copyButton').forEach(button => {
        button.addEventListener('click', () => {
            const target = document.getElementById(button.dataset.target);
            target.select();
            document.execCommand('copy');
            alert(`${button.dataset.target.toUpperCase()} copied to clipboard!`);
        });
    });
})();