feat: uwu mode for Hono website

.vitepress/config.ts

@@ -221,7 +221,8 @@ export default defineConfig({
     },
     footer: {
       message: 'Released under the MIT License.',
-      copyright: 'Copyright © 2022-present Yusuke Wada & Hono contributors',
+      copyright:
+        'Copyright © 2022-present Yusuke Wada & Hono contributors. Logo by @sawaratsuki1004.',
     },
     nav: [
       { text: 'Docs', link: '/top' },

.vitepress/theme/index.js

@@ -1,8 +1,11 @@
 import { h } from 'vue'
 import DefaultTheme from 'vitepress/theme'
 import NotFound from './NotFound.vue'
+import { enableUwu } from './uwu'
 import './custom.css'
 
+enableUwu()
+
 export default {
   ...DefaultTheme,
   Layout() {

.vitepress/theme/uwu.js

@@ -0,0 +1,46 @@
+/*
+ * Follow: https://github.com/reactjs/react.dev/blob/main/src/pages/_document.tsx
+ */
+
+export function enableUwu() {
+
+  try {
+    var preferredUwu
+    try {
+      preferredUwu = localStorage.getItem('uwu')
+    } catch (err) {}
+
+    const isUwuValue =
+      window.location && window.location.search && window.location.search.match(/uwu=(true|false)/)
+
+    if (isUwuValue) {
+      const isUwu = isUwuValue[1] === 'true'
+      if (isUwu) {
+        try {
+          localStorage.setItem('uwu', true)
+        } catch (err) {}
+        document.documentElement.classList.add('uwu')
+        console.log(
+          'uwu mode enabled. logo credits to @sawaratsuki1004 via https://github.com/SAWARATSUKI/ServiceLogos'
+        )
+      } else {
+        try {
+          localStorage.removeItem('uwu', false)
+        } catch (err) {}
+      }
+    } else if (preferredUwu) {
+      document.documentElement.classList.add('uwu')
+    }
+  } catch (err) {}
+
+  document.addEventListener('DOMContentLoaded', async () => {
+    var logo
+    while (!logo) {
+      await new Promise((resolve) => setTimeout(resolve, 100))
+      logo = document.querySelector('img.logo')
+    }
+    if (document.documentElement.classList.contains('uwu')) {
+      logo.src = '/images/uwu.png'
+    }
+  })
+}