--- a/tweetdeck-large-image.user.js	Wed Jul 10 22:30:14 2019 +0900
+++ b/tweetdeck-large-image.user.js	Wed Jul 10 22:36:31 2019 +0900
@@ -9,76 +9,75 @@
 // @downloadURL  https://bitbucket.org/nanayapro/ec-userscripts/raw/tip/tweetdeck-large-image.user.js
 // ==/UserScript==
 
-;(function() {
-  "use strict";
+;(function () {
+  'use strict'
 
   // loop through passed nodes (or body if called without arguments)
-  var run = function(nodes) {
+  var run = function (nodes) {
     if (nodes == null) {
-      nodes = [document.body];
+      nodes = [document.body]
     }
 
     for (var i = 0; i < nodes.length; i++) {
       // first try fixing itself
-      fix(nodes[i]);
+      fix(nodes[i])
 
       // and then find all the links inside
-      var links = nodes[i].querySelectorAll(".js-media-image-link");
+      var links = nodes[i].querySelectorAll('.js-media-image-link')
 
       for (var j = 0; j < links.length; j++) {
-        fix(links[j]);
+        fix(links[j])
       }
     }
-  };
+  }
 
-  var fix = function(link) {
+  var fix = function (link) {
     // basic sanity check
-    if (!link.classList.contains("js-media-image-link")) {
-      return;
+    if (!link.classList.contains('js-media-image-link')) {
+      return
     }
 
     // don't run again if already run on passed link
     if (link._ecUserscript) {
-      return;
+      return
     }
-    link._ecUserscript = true;
+    link._ecUserscript = true
 
-    var image = link.querySelector(".media-img");
-    var url;
+    var image = link.querySelector('.media-img')
+    var url
 
     // sometimes the image is just background image of the link.
     // strip all query strings and original :size suffix
     if (image == null) {
-      url = getComputedStyle(link).backgroundImage.replace(/^url\(('|")?(.+?)\1\)$/, "$2");
+      url = window.getComputedStyle(link).backgroundImage.replace(/^url\(('|")?(.+?)\1\)$/, '$2')
     } else {
-      url = image.src;
+      url = image.src
     }
 
-    var parsedUrl = new URL(url);
+    var parsedUrl = new URL(url)
 
     if (parsedUrl.searchParams.get('name') == null) {
-      url = url.replace(/(\..+:).+/, "$1orig");
+      url = url.replace(/(\..+:).+/, '$1orig')
     } else {
-      parsedUrl.searchParams.delete('format');
-      parsedUrl.searchParams.set('name', 'orig');
-      url = parsedUrl.href;
+      parsedUrl.searchParams.delete('format')
+      parsedUrl.searchParams.set('name', 'orig')
+      url = parsedUrl.href
     }
 
-    link.setAttribute("href", url);
-
-  };
+    link.setAttribute('href', url)
+  }
 
-  var onMutate = function(mutations) {
+  var onMutate = function (mutations) {
     for (var mutation in mutations) {
-      run(mutation.addedNodes);
+      run(mutation.addedNodes)
     }
-  };
+  }
 
   // the observer
-  var observer = new MutationObserver(onMutate);
+  var observer = new window.MutationObserver(onMutate)
 
   // start the observer
-  observer.observe(document, { childList: true, subtree: true});
+  observer.observe(document, { childList: true, subtree: true })
   // initial run on existing document
-  run();
-}).call();
+  run()
+}).call()