WordPress.com edit post redirects

Redirects the new post page to the classic post page

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        WordPress.com edit post redirects
// @namespace   tpenguinltg
// @description Redirects the new post page to the classic post page
// @include     https://wordpress.com/post*
// @include     https://wordpress.com/page*
// @include     https://wordpress.com/block-editor*
// @include     https://*.wordpress.com/wp-admin/post.php*
// @include     https://*.wordpress.com/wp-admin/post-new.php*
// @version     1.6.0
// @homepageURL https://greasyfork.org/en/scripts/8581-wordpress-com-edit-post-redirects
// @homepageURL https://github.com/tpenguinltg/wpcom-edit-post-redirect.user.js
// @grant       none
// @license     MPLv2.0; http://mozilla.org/MPL/2.0/
// @copyright   2015, tPenguinLTG (http://tpenguinltg.wordpress.com/)
// @run-at      document-start
// ==/UserScript==

// if already at the classic editor, don't do anything
if (/classic-editor/.test(window.location.search)) return;

// if already at old dashboard URL, redirect to classic editor
if (/wp-admin/.test(window.location.pathname)) {
  window.location.replace(window.location.href + (window.location.search ? "&" : "?") + "classic-editor");
  return;
}


// gather information from URL
var parsedUrl = window.location.pathname.match(/(post|page)(?:\/([^\/]+)(?:\/(\d+|new)?)?)?/);
var postType = parsedUrl[1];
var blogid = parsedUrl[2];
var postid = parsedUrl[3];

// initiate redirect
redirectToClassic();


/**
 * Initiates the redirect.
 */
function redirectToClassic() {
  // if no blog specified
  if (!blogid) {
    guessClassicLink();
  } else {
    // Redirect to post URL based on API results
    // API docs: https://developer.wordpress.com/docs/api/
    fetchJSONFile("https://public-api.wordpress.com/rest/v1.1/sites/" + blogid, apiRedirect, guessClassicLink);
  }
}

/**
 * Handles the API request via AJAX.
 * @param path      the URL to request. The response should be a JSON object.
 * @param callback  the function to call on success.
 *                  This function should take in a single JSON object.
 * @param fallback  the function to call on failure
 */
// Based on function by dystroy. From http://stackoverflow.com/a/14388512
function fetchJSONFile(path, callback, fallback) {
    var httpRequest = new XMLHttpRequest();
    httpRequest.onreadystatechange = function() {
        if (httpRequest.readyState === 4) {
            if (httpRequest.status === 200) {
                var data = JSON.parse(httpRequest.responseText);
                if (callback) callback(data);
            } else {
                if (fallback) fallback();
            }
        }
    };
    httpRequest.open('GET', path);
    httpRequest.send(); 
}

/**
 * Builds the classic editor link using the specified base.
 * The base should not have a trailing slash.
 *
 * @return the URL of the classic editor for the current post ID
 */
function buildClassicLink(base) {
    var posturl = base;
    if (postid == "new" || postid == null) { // new post
      posturl += "/wp-admin/post-new.php?post_type=" + postType + "&classic-editor"
    } else { // existing post
      posturl += "/wp-admin/post.php?post=" + postid + "&action=edit&classic-editor";
    }

    return posturl;
}

/**
 * Guesses the link to the classic editor based on the blog ID, which
 * should be the domain if it is not numeric.
 */
function guessClassicLink() {
  // if the blog ID is not numeric, then it is a domain
  if (blogid && isNaN(blogid)) {
    // use the blogid to build URL
    // and redirect
    window.location.replace(buildClassicLink("https://" + blogid));
  } else {
    scrapeSiteLink();
  }
}

/**
 * Scrapes the page for the site link
 */
function scrapeSiteLink() {
  window.onload = function() {
    // FIXME this will not work for Jetpack-enabled sites that have
    // different WordPress and site roots
    // e.g. site is accessed at http://example.com/,
    // but admin at http://example.com/wordpress/wp-admin/
    blogurl = document.querySelector(".site__content[href]").href;

    // strip trailing slash
    if (blogurl.charAt(blogurl.length-1) === '/') {
      blogurl = blogurl.substr(0, blogurl.length - 1);
    }

    // in case nothing is returned, don't do anything
    if (blogurl) {
      window.location.replace(buildClassicLink(blogurl));
    }
  };
}

/**
 * Sets up a redirect using the given parsed API data.
 * @param data  the parsed API results as a JSON object
 */
function apiRedirect(data) {
  if (data.error) { // private blog
    guessClassicLink();
  } else {
    window.location.replace(buildClassicLink(data.URL));
  }
}