diff pixiv-fanbox-unlazy.user.js @ 78:9dc1be1a6c7a

Bye image lazy loading on pixiv fanbox
author nanaya <me@nanaya.pro>
date Thu, 06 Aug 2020 19:39:49 +0900
parents
children e4b970501e8e
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pixiv-fanbox-unlazy.user.js	Thu Aug 06 19:39:49 2020 +0900
@@ -0,0 +1,66 @@
+// ==UserScript==
+// @name         pixiv fanbox no lazy loading image
+// @namespace    https://myconan.net
+// @version      1.0.0
+// @description  Lazy loading is bad for environment. Disable it.
+// @author       nanaya
+// @match        https://tweetdeck.twitter.com/*
+// @grant        none
+// @downloadURL  https://hg.sr.ht/~nanaya/ec-userscripts/raw/pixiv-fanbox-unlazy.user.js?rev=tip
+// ==/UserScript==
+
+;(function () {
+  'use strict'
+
+  var imageUrlPrefix = 'https://downloads.fanbox.cc/images/post/'
+
+  // loop through passed nodes (or body if called without arguments)
+  var run = function (nodes) {
+    if (nodes == null) {
+      nodes = [document.body]
+    }
+
+    for (var i = 0; i < nodes.length; i++) {
+      // first try fixing itself
+      fix(nodes[i])
+
+      // and then find all the links inside
+      var links = nodes[i].querySelectorAll(`[href^="${imageUrlPrefix}"]`)
+
+      for (var j = 0; j < links.length; j++) {
+        fix(links[j])
+      }
+    }
+  }
+
+  var fix = function (link) {
+    var href = link.href
+
+    // basic sanity check
+    if (typeof href !== 'string' || !href.startsWith(imageUrlPrefix)) {
+      return
+    }
+
+    // don't run again if already run on passed link
+    if (link._ecUserscript) {
+      return
+    }
+    link._ecUserscript = true
+
+    link.innerHTML = `<img style="width: 100%;" src="${href}" />`
+  }
+
+  var onMutate = function (mutations) {
+    for (var mutation in mutations) {
+      run(mutation.addedNodes)
+    }
+  }
+
+  // the observer
+  var observer = new window.MutationObserver(onMutate)
+
+  // start the observer
+  observer.observe(document, { childList: true, subtree: true })
+  // initial run on existing document
+  run()
+}).call()