--- a/melonbooks-unlazy.user.js	Sun Jan 15 23:24:03 2023 +0900
+++ b/melonbooks-unlazy.user.js	Sun Jan 15 23:33:41 2023 +0900
@@ -12,35 +12,39 @@
 
 'use strict';
 
-function fix (image) {
-  if (!image.classList.contains('lazyload')) return;
+function unlazy () {
+  function fix (image) {
+    if (!image.classList.contains('lazyload')) return;
+
+    const src = image.dataset.src;
+
+    if (src == null || src === '') return;
 
-  const src = image.dataset.src;
+    image.classList.remove('lazyload');
+    image.src = image.dataset.src;
+    delete image.dataset.src;
+  }
+
+  function run (node) {
+    if (!(node instanceof window.HTMLElement)) return;
 
-  if (src == null || src === '') return;
+    fix(node);
+    for (const image of node.querySelectorAll('.lazyload')) {
+      fix(image);
+    }
+  }
 
-  image.classList.remove('lazyload');
-  image.src = image.dataset.src;
-  delete image.dataset.src;
+  function onMutate (mutations) {
+    for (const mutation of mutations) {
+      for (const node of mutation.addedNodes) {
+        run(node);
+      }
+    }
+  }
+
+  const observer = new window.MutationObserver(onMutate);
+  observer.observe(document, { childList: true, subtree: true });
+  run(document.body);
 }
 
-function run (node) {
-  if (!(node instanceof window.HTMLElement)) return;
-
-  fix(node);
-  for (const image of node.querySelectorAll('.lazyload')) {
-    fix(image);
-  }
-}
-
-function onMutate (mutations) {
-  for (const mutation of mutations) {
-    for (const node of mutation.addedNodes) {
-      run(node);
-    }
-  }
-}
-
-const observer = new window.MutationObserver(onMutate);
-observer.observe(document, { childList: true, subtree: true });
-run(document.body);
+unlazy();