--- a/tweetdeck-large-image.user.js	Sun Jan 15 23:46:56 2023 +0900
+++ b/tweetdeck-large-image.user.js	Sun Jan 15 23:49:35 2023 +0900
@@ -11,77 +11,73 @@
 
 'use strict';
 
-function origLink () {
-  const fix = function (link) {
-    // basic sanity check
-    if (!link.classList.contains('js-media-image-link')) {
-      return;
-    }
+const fix = function (link) {
+  // basic sanity check
+  if (!link.classList.contains('js-media-image-link')) {
+    return;
+  }
 
-    // don't run again if already run on passed link
-    if (link._ecUserscript) {
-      return;
-    }
-    link._ecUserscript = true;
+  // don't run again if already run on passed link
+  if (link._ecUserscript) {
+    return;
+  }
+  link._ecUserscript = true;
 
-    const image = link.querySelector('.media-img');
-    let url;
+  const image = link.querySelector('.media-img');
+  let url;
 
-    // sometimes the image is just background image of the link.
-    // strip all query strings and original :size suffix
-    if (image == null) {
-      url = window.getComputedStyle(link).backgroundImage.replace(/^url\(('|")?(.+?)\1\)$/, '$2');
-    } else {
-      url = image.src;
-    }
+  // sometimes the image is just background image of the link.
+  // strip all query strings and original :size suffix
+  if (image == null) {
+    url = window.getComputedStyle(link).backgroundImage.replace(/^url\(('|")?(.+?)\1\)$/, '$2');
+  } else {
+    url = image.src;
+  }
 
-    const parsedUrl = new URL(url);
+  const parsedUrl = new URL(url);
 
-    if (parsedUrl.searchParams.get('name') == null) {
-      url = url.replace(/(\..+:).+/, '$1orig');
-    } else {
-      if (parsedUrl.pathname.match(/\.[^.]+$/) !== null) {
-        parsedUrl.searchParams.delete('format');
-      }
-      parsedUrl.searchParams.set('name', 'orig');
-      url = parsedUrl.href;
+  if (parsedUrl.searchParams.get('name') == null) {
+    url = url.replace(/(\..+:).+/, '$1orig');
+  } else {
+    if (parsedUrl.pathname.match(/\.[^.]+$/) !== null) {
+      parsedUrl.searchParams.delete('format');
     }
+    parsedUrl.searchParams.set('name', 'orig');
+    url = parsedUrl.href;
+  }
 
-    link.setAttribute('href', url);
-  };
+  link.setAttribute('href', url);
+};
 
-  // loop through passed nodes (or body if called without arguments)
-  const run = function (nodes) {
-    if (nodes == null) {
-      nodes = [document.body];
-    }
+// loop through passed nodes (or body if called without arguments)
+const run = function (nodes) {
+  if (nodes == null) {
+    nodes = [document.body];
+  }
 
-    for (let i = 0; i < nodes.length; i++) {
-      // first try fixing itself
-      fix(nodes[i]);
+  for (let i = 0; i < nodes.length; i++) {
+    // first try fixing itself
+    fix(nodes[i]);
 
-      // and then find all the links inside
-      const links = nodes[i].querySelectorAll('.js-media-image-link');
+    // and then find all the links inside
+    const links = nodes[i].querySelectorAll('.js-media-image-link');
 
-      for (let j = 0; j < links.length; j++) {
-        fix(links[j]);
-      }
-    }
-  };
-
-  const onMutate = function (mutations) {
-    for (const mutation in mutations) {
-      run(mutation.addedNodes);
+    for (let j = 0; j < links.length; j++) {
+      fix(links[j]);
     }
-  };
-
-  // the observer
-  const observer = new window.MutationObserver(onMutate);
+  }
+};
 
-  // start the observer
-  observer.observe(document, { childList: true, subtree: true });
-  // initial run on existing document
-  run();
-}
+const onMutate = function (mutations) {
+  for (const mutation in mutations) {
+    run(mutation.addedNodes);
+  }
+};
 
-origLink();
+// the observer
+const observer = new window.MutationObserver(onMutate);
+
+// start the observer
+observer.observe(document, { childList: true, subtree: true });
+// initial run on existing document
+run();