Add Tumblr Unnagger

README.md

@@ -101,6 +101,10 @@ build logs to view them without logging in
 
 ![A man yelling "I DON'T WANNA", followed by sign up/login boxes](https://gitlab.com/blankX/userscripts/-/raw/master/accounts.jpg)
 
+## Tumblr Unnagger
+
+A script that removes several login/account walls on Tumblr
+
 ## Wayback Machine Toolbar Toggler
 
 A userscript that replaces the "close this toolbar" button with one that lets

Tumblr Unnagger.user.js

@@ -0,0 +1,79 @@
+// ==UserScript==
+// @name        Tumblr Unnagger
+// @namespace   blankie-scripts
+// @match       https://*.tumblr.com/*
+// @grant       GM_addStyle
+// @version     1.0.0
+// @author      blankie
+// @description Removes login nags
+// @inject-into content
+// @run-at      document-end
+// ==/UserScript==
+
+"use strict";
+
+let css = `
+/* Remove the "Sign up" and "Follow <blog>" buttons */
+.sign-up-button, .follow-button {
+    display: none !important;
+}
+
+/* Remove the top iframe bar on the default theme (e.g. https://azulcrescent.tumblr.com/) */
+.tmblr-iframe {
+    display: none !important;
+}
+
+/* Fix margin from the top iframe bar being hidden */
+.nav-wrapper.nav-fixed {
+    top: 0;
+}
+
+/* Hide fullscreen nag when scrolling */
+#glass-container {
+    display: none;
+}
+
+/* Restore scrolling when fullscreen nag is shown */
+html {
+    overflow: scroll !important;
+    }
+`;
+
+if (/^\/archive(\/.*)?$/.test(window.location.pathname)) {
+    css += `
+        /* Remove the "It's time to try Tumblr" nag on /archive */
+        #base-container > div:has(style) > div:nth-child(4) {
+            display: none;
+        }
+    `;
+}
+
+GM_addStyle(css);
+
+
+
+function removeLoginWall(element) {
+    element.removeAttribute("data-login-wall-type");
+    for (let child of element.querySelectorAll("[data-login-wall-type]")) {
+        child.removeAttribute("data-login-wall-type");
+    }
+}
+
+// Remove login walls for elements before Javascript
+removeLoginWall(document.body);
+
+// Remove login walls for elements added by Javascript
+let observer = new MutationObserver(function(mutations) {
+    for (let mutation of mutations) {
+        if (mutation.type !== "childList") {
+            continue;
+        }
+        for (let node of mutation.addedNodes) {
+            if (node.nodeType !== 1) {
+                continue;
+            }
+            removeLoginWall(node);
+        }
+    }
+});
+observer.observe(document.body, {childList: true, subtree: true});