refactor: use head script instead of cookie

app.vue

@@ -3,6 +3,7 @@ setupPageHeader()
 provideGlobalCommands()
 
 const route = useRoute()
+
 if (process.server && !route.path.startsWith('/settings')) {
   useHead({
     meta: [

composables/users.ts

@@ -6,6 +6,7 @@ import type { ElkMasto, UserLogin } from '~/types'
 import {
   DEFAULT_POST_CHARS_LIMIT,
   STORAGE_KEY_CURRENT_USER,
+  STORAGE_KEY_CURRENT_USER_HANDLE,
   STORAGE_KEY_NOTIFICATION,
   STORAGE_KEY_NOTIFICATION_POLICY,
   STORAGE_KEY_SERVERS,
@@ -89,12 +90,10 @@ if (process.client) {
         window.addEventListener('visibilitychange', windowReload, { capture: true })
     }
   }, { immediate: true, flush: 'post' })
-}
 
-export const currentUserHandle = computed(() => currentUser.value?.account.id
-  ? `${currentUser.value.account.acct}@${currentInstance.value?.uri || currentServer.value}`
-  : '[anonymous]',
-)
+  // for injected script to read
+  useLocalStorage<string>(STORAGE_KEY_CURRENT_USER_HANDLE, computed(() => currentUser.value?.account.acct || ''))
+}
 
 export const useUsers = () => users
 export const useSelfAccount = (user: MaybeComputedRef<mastodon.v1.Account | undefined>) =>

constants/index.ts

@@ -8,6 +8,7 @@ export const STORAGE_KEY_DRAFTS = 'elk-drafts'
 export const STORAGE_KEY_USERS = 'elk-users'
 export const STORAGE_KEY_SERVERS = 'elk-servers'
 export const STORAGE_KEY_CURRENT_USER = 'elk-current-user'
+export const STORAGE_KEY_CURRENT_USER_HANDLE = 'elk-current-user-handle'
 export const STORAGE_KEY_NOTIFY_TAB = 'elk-notify-tab'
 export const STORAGE_KEY_FIRST_VISIT = 'elk-first-visit'
 export const STORAGE_KEY_SETTINGS = 'elk-settings'
@@ -20,7 +21,4 @@ export const STORAGE_KEY_NOTIFICATION_POLICY = 'elk-notification-policy'
 
 export const COOKIE_MAX_AGE = 10 * 365 * 24 * 60 * 60 * 1000
 
-export const COOKIE_KEY_FONT_SIZE = 'elk-font-size'
-export const COOKIE_KEY_LOCALE = 'elk-lang'
-
 export const HANDLED_MASTO_URLS = /^(https?:\/\/)?([\w\d-]+\.)+\w+\/(@[@\w\d-\.]+)(\/objects)?(\/\d+)?$/

pages/settings.vue

@@ -80,7 +80,9 @@ const isRootPath = computedEager(() => route.name === 'settings')
         </MainContent>
       </div>
       <div flex-1 :class="isRootPath ? 'hidden lg:block' : 'block'">
-        <NuxtPage />
+        <ClientOnly>
+          <NuxtPage />
+        </ClientOnly>
       </div>
     </div>
   </div>

plugins/setup-font-size.client.ts

@@ -0,0 +1,10 @@
+import { fontSizeMap } from '~/constants/options'
+import { DEFAULT_FONT_SIZE } from '~/constants'
+
+export default defineNuxtPlugin(() => {
+  const userSettings = useUserSettings()
+  const html = document.querySelector('html')!
+  watchEffect(() => {
+    html.style.setProperty('--font-size', fontSizeMap[userSettings.value.fontSize || DEFAULT_FONT_SIZE])
+  })
+})

plugins/setup-font-size.ts

@@ -1,26 +0,0 @@
-import type { FontSize } from '~/composables/settings'
-import { COOKIE_KEY_FONT_SIZE, COOKIE_MAX_AGE, DEFAULT_FONT_SIZE } from '~/constants'
-import { fontSizeMap } from '~/constants/options'
-
-export default defineNuxtPlugin(() => {
-  const userSettings = useUserSettings()
-  const cookieFontSize = useCookie<FontSize>(COOKIE_KEY_FONT_SIZE, { default: () => DEFAULT_FONT_SIZE, maxAge: COOKIE_MAX_AGE })
-  if (!cookieFontSize.value || !fontSizeMap[cookieFontSize.value])
-    cookieFontSize.value = DEFAULT_FONT_SIZE
-
-  if (process.server) {
-    userSettings.value.fontSize = cookieFontSize.value
-    useHead({
-      style: [
-        { innerHTML: `:root { --font-size: ${fontSizeMap[cookieFontSize.value]}; }` },
-      ],
-    })
-    return
-  }
-
-  userSettings.value.fontSize = cookieFontSize.value
-  watch(() => userSettings.value.fontSize, (size) => {
-    document.documentElement.style.setProperty('--font-size', fontSizeMap[size])
-    cookieFontSize.value = size
-  }, { immediate: true })
-})

plugins/setup-head-script.server.ts

@@ -0,0 +1,38 @@
+import { STORAGE_KEY_CURRENT_USER_HANDLE, STORAGE_KEY_SETTINGS } from '~/constants'
+import { fontSizeMap } from '~/constants/options'
+
+/**
+ * Injecting scripts before renders
+ */
+export default defineNuxtPlugin(() => {
+  useHead({
+    script: [
+      {
+        innerHTML: `
+;(function() {
+  const handle = localStorage.getItem('${STORAGE_KEY_CURRENT_USER_HANDLE}')
+  if (!handle)
+    return
+  const allSettings = JSON.parse(localStorage.getItem('${STORAGE_KEY_SETTINGS}') || '{}')
+  const settings = allSettings[handle]
+  if (!settings)
+    return
+
+  const html = document.querySelector('html')
+  ${process.dev ? 'console.log(\'settings\', settings)' : ''}
+
+  const { fontSize, language } = settings || {}
+
+  if (fontSize) {
+    const fontSizeMap = ${JSON.stringify(fontSizeMap)}
+    html.style.setProperty('--font-size', fontSizeMap[fontSize])
+  }
+
+  if (language) {
+    html.setAttribute('lang', language)
+  }
+})()`.trim().replace(/\s*\n+\s*/g, ';'),
+      },
+    ],
+  })
+})

plugins/setup-i18n.ts

@@ -1,18 +1,17 @@
 import type { VueI18n } from 'vue-i18n'
 import type { LocaleObject } from 'vue-i18n-routing'
-import { COOKIE_KEY_LOCALE, COOKIE_MAX_AGE, DEFAULT_LANGUAGE } from '~/constants'
+import { DEFAULT_LANGUAGE } from '~/constants'
 
 export default defineNuxtPlugin(async (nuxt) => {
   const i18n = nuxt.vueApp.config.globalProperties.$i18n as VueI18n
   const { setLocale, locales } = i18n
   const supportLanguages = (locales as LocaleObject[]).map(locale => locale.code)
-  const cookieLocale = useCookie(COOKIE_KEY_LOCALE, { maxAge: COOKIE_MAX_AGE })
   const userSettings = useUserSettings()
 
   if (process.server) {
     const headers = useRequestHeaders()
 
-    let lang = cookieLocale.value
+    let lang = userSettings.value.language
     if (!lang || !supportLanguages.includes(lang)) {
       // first visit
       if (headers['accept-language']) {
@@ -24,22 +23,18 @@ export default defineNuxtPlugin(async (nuxt) => {
         lang = DEFAULT_LANGUAGE
       }
     }
-    userSettings.value.language = cookieLocale.value = lang
 
     if (lang !== i18n.locale)
-      await setLocale(cookieLocale.value)
+      await setLocale(userSettings.value.language)
 
     return
   }
 
   // could be null if browser don't accept cookie
-  if (!cookieLocale.value || !supportLanguages.includes(cookieLocale.value))
-    cookieLocale.value = DEFAULT_LANGUAGE
-  userSettings.value.language = cookieLocale.value
+  if (!userSettings.value.language || !supportLanguages.includes(userSettings.value.language))
+    userSettings.value.language = DEFAULT_LANGUAGE
 
   watch(() => userSettings.value.language, (lang) => {
-    if (lang !== cookieLocale.value)
-      cookieLocale.value = lang
     if (lang !== i18n.locale)
       setLocale(lang)
   }, { immediate: true })