Redirect Medium URLs

Add a button at the beginning of the body on medium.com to redirect to a modified URL
当前为 2024-04-15 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Redirect Medium URLs
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Add a button at the beginning of the body on medium.com to redirect to a modified URL
// @author       Your name
// @match        *://*/*
// @grant        none

// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    // Function to check if the page is on Medium
    function isMedium() {
        var metaTags = document.querySelectorAll('meta[name="twitter:app:name:iphone"]');
        return metaTags.length > 0 && metaTags[0].getAttribute('content') === 'Medium';
    }

    // Check if the current page is Medium
    if (isMedium()) {
        // Create a button element
        var redirectButton = document.createElement('button');
        redirectButton.textContent = 'Read on Medium-Free';
        redirectButton.style.position = 'fixed';
        redirectButton.style.top = '20px';
        redirectButton.style.left = '20px';
        redirectButton.style.zIndex = '9999';
        redirectButton.style.padding = '10px';
        redirectButton.style.backgroundColor = '#007bff';
        redirectButton.style.color = '#fff';
        redirectButton.style.border = 'none';
        redirectButton.style.borderRadius = '5px';
        redirectButton.style.cursor = 'pointer';

        // Get the current URL
        var currentUrl = window.location.href;

        // Modify the URL
        var redirectUrl = "https://medium-free.vercel.app/read?url=" + encodeURIComponent(currentUrl);

        // Add click event listener to redirect the page
        redirectButton.addEventListener('click', function() {
            window.location.href = redirectUrl;
        });

        // Add the button to the body
        document.body.appendChild(redirectButton);
    }
})();