refactor: migrate to nuxt compatibilityVersion: 4 (#3298)

app/components/user/UserDropdown.vue

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+<script setup lang="ts">
+const mask = useMask()
+</script>
+
+<template>
+  <VDropdown :distance="0" placement="top-start" strategy="fixed" @apply-show="mask.show()" @apply-hide="mask.hide()">
+    <button btn-action-icon :aria-label="$t('action.switch_account')">
+      <div :class="{ 'hidden xl:block': currentUser }" i-ri:more-2-line />
+      <AccountAvatar v-if="currentUser" xl:hidden :account="currentUser.account" w-9 h-9 square />
+    </button>
+    <template #popper="{ hide }">
+      <UserSwitcher @click="hide" />
+    </template>
+  </VDropdown>
+</template>

app/components/user/UserPicker.vue

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+<script setup lang="ts">
+import type { UserLogin } from '#shared/types'
+
+const all = useUsers()
+const router = useRouter()
+
+function clickUser(user: UserLogin) {
+  if (user.account.acct === currentUser.value?.account.acct)
+    router.push(getAccountRoute(user.account))
+  else
+    switchUser(user)
+}
+</script>
+
+<template>
+  <div flex justify-start items-end px-2 gap-5>
+    <div flex="~ wrap-reverse" gap-5>
+      <template v-for="user of all" :key="user.id">
+        <CommonTooltip :distance="8" :delay="{ show: 300, hide: 100 }">
+          <button
+            flex rounded
+            cursor-pointer
+            :aria-label="$t('action.switch_account')"
+            :class="user.account.acct === currentUser?.account.acct ? '' : 'op25 grayscale'"
+            hover="filter-none op100"
+            @click="clickUser(user)"
+          >
+            <AccountAvatar w-13 h-13 :account="user.account" square />
+          </button>
+
+          <template #popper>
+            <div text-center>
+              <span text-4>
+                <AccountDisplayName :account="user.account" />
+              </span>
+              <AccountHandle :account="user.account" />
+            </div>
+          </template>
+        </CommonTooltip>
+      </template>
+    </div>
+    <div flex items-center justify-center w-13 h-13>
+      <UserDropdown />
+    </div>
+  </div>
+</template>

app/components/user/UserSignIn.vue

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+<script setup lang="ts">
+import Fuse from 'fuse.js'
+
+const input = ref<HTMLInputElement | undefined>()
+const knownServers = ref<string[]>([])
+const autocompleteIndex = ref(0)
+const autocompleteShow = ref(false)
+
+const { busy, error, displayError, server, oauth } = useSignIn(input)
+
+const fuse = shallowRef(new Fuse([] as string[]))
+
+const filteredServers = computed(() => {
+  if (!server.value)
+    return []
+
+  const results = fuse.value.search(server.value, { limit: 6 }).map(result => result.item)
+  if (results[0] === server.value)
+    return []
+
+  return results
+})
+
+function isValidUrl(str: string) {
+  try {
+    // eslint-disable-next-line no-new
+    new URL(str)
+    return true
+  }
+  catch {
+    return false
+  }
+}
+
+async function handleInput() {
+  const input = server.value.trim()
+  if (input.startsWith('https://'))
+    server.value = input.replace('https://', '')
+
+  if (input.length)
+    displayError.value = false
+
+  if (
+    isValidUrl(`https://${input}`)
+    && input.match(/^[a-z0-9-]+(\.[a-z0-9-]+)+(:\d+)?$/i)
+    // Do not hide the autocomplete if a result has an exact substring match on the input
+    && !filteredServers.value.some(s => s.includes(input))
+  ) {
+    autocompleteShow.value = false
+  }
+
+  else {
+    autocompleteShow.value = true
+  }
+}
+
+function toSelector(server: string) {
+  return server.replace(/[^\w-]/g, '-')
+}
+function move(delta: number) {
+  if (filteredServers.value.length === 0) {
+    autocompleteIndex.value = 0
+    return
+  }
+  autocompleteIndex.value = ((autocompleteIndex.value + delta) + filteredServers.value.length) % filteredServers.value.length
+  document.querySelector(`#${toSelector(filteredServers.value[autocompleteIndex.value])}`)?.scrollIntoView(false)
+}
+
+function onEnter(e: KeyboardEvent) {
+  if (autocompleteShow.value === true && filteredServers.value[autocompleteIndex.value]) {
+    server.value = filteredServers.value[autocompleteIndex.value]
+    e.preventDefault()
+    autocompleteShow.value = false
+  }
+}
+
+function escapeAutocomplete(evt: KeyboardEvent) {
+  if (!autocompleteShow.value)
+    return
+  autocompleteShow.value = false
+  evt.stopPropagation()
+}
+
+function select(index: number) {
+  server.value = filteredServers.value[index]
+}
+
+onMounted(async () => {
+  input?.value?.focus()
+  knownServers.value = await (globalThis.$fetch as any)('/api/list-servers')
+  fuse.value = new Fuse(knownServers.value, { shouldSort: true })
+})
+
+onClickOutside(input, () => {
+  autocompleteShow.value = false
+})
+</script>
+
+<template>
+  <form text-center justify-center items-center max-w-150 py6 flex="~ col gap-3" @submit.prevent="oauth">
+    <div flex="~ center" items-end mb2 gap-x-2>
+      <img :src="`/${''}logo.svg`" w-12 h-12 mxa height="48" width="48" :alt="$t('app_logo')" class="rtl-flip">
+      <div text-3xl>
+        {{ $t('action.sign_in') }}
+      </div>
+    </div>
+    <div>
+      {{ $t('user.server_address_label') }}
+    </div>
+    <div :class="error ? 'animate animate-shake-x animate-delay-100' : null">
+      <div
+        dir="ltr"
+        flex bg-gray:10 px4 py2 mxa rounded
+        border="~ base" items-center font-mono
+        focus:outline-none focus:ring="2 primary inset"
+        relative
+        :class="displayError ? 'border-red-600 dark:border-red-400' : null"
+      >
+        <span text-secondary-light me1>https://</span>
+
+        <input
+          ref="input"
+          v-model="server"
+          autocapitalize="off"
+          inputmode="url"
+          outline-none bg-transparent w-full max-w-50
+          spellcheck="false"
+          autocorrect="off"
+          autocomplete="off"
+          @input="handleInput"
+          @keydown.down="move(1)"
+          @keydown.up="move(-1)"
+          @keydown.enter="onEnter"
+          @keydown.esc.prevent="escapeAutocomplete"
+          @focus="autocompleteShow = true"
+        >
+        <div
+          v-if="autocompleteShow && filteredServers.length"
+          absolute left-6em right-0 top="100%"
+          bg-base rounded border="~ base"
+          z-10 shadow of-auto
+          overflow-y-auto
+          class="max-h-[8rem]"
+        >
+          <button
+            v-for="(name, idx) in filteredServers"
+            :id="toSelector(name)"
+            :key="name"
+            :value="name"
+            px-2 py1 font-mono w-full text-left
+            :class="autocompleteIndex === idx ? 'text-primary font-bold' : null"
+            @click="select(idx)"
+          >
+            {{ name }}
+          </button>
+        </div>
+      </div>
+      <div min-h-4>
+        <Transition css enter-active-class="animate animate-fade-in">
+          <p v-if="displayError" role="alert" p-0 m-0 text-xs text-red-600 dark:text-red-400>
+            {{ $t('error.sign_in_error') }}
+          </p>
+        </Transition>
+      </div>
+    </div>
+    <div text-secondary text-sm flex>
+      <div i-ri:lightbulb-line me-1 />
+      <span>
+        <i18n-t keypath="user.tip_no_account">
+          <NuxtLink href="https://joinmastodon.org/servers" target="_blank" external class="text-primary" hover="underline">{{ $t('user.tip_register_account') }}</NuxtLink>
+        </i18n-t>
+      </span>
+    </div>
+    <button flex="~ row" gap-x-2 items-center btn-solid mt2 :disabled="!server || busy">
+      <span v-if="busy" aria-hidden="true" block animate animate-spin preserve-3d class="rtl-flip">
+        <span block i-ri:loader-2-fill aria-hidden="true" />
+      </span>
+      <span v-else aria-hidden="true" block i-ri:login-circle-line class="rtl-flip" />
+      {{ $t('action.sign_in') }}
+    </button>
+  </form>
+</template>

app/components/user/UserSignInEntry.vue

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+<script setup lang="ts">
+const { busy, oauth, singleInstanceServer } = useSignIn()
+</script>
+
+<template>
+  <div p8 lg:flex="~ col gap2" hidden>
+    <p v-if="isHydrated" text-sm>
+      <i18n-t keypath="user.sign_in_notice_title">
+        <strong>{{ currentServer }}</strong>
+      </i18n-t>
+    </p>
+    <p text-sm text-secondary>
+      {{ $t(singleInstanceServer ? 'user.single_instance_sign_in_desc' : 'user.sign_in_desc') }}
+    </p>
+    <button
+      v-if="singleInstanceServer"
+      flex="~ row" gap-x-2 items-center justify-center btn-solid text-center rounded-3
+      :disabled="busy"
+      @click="oauth()"
+    >
+      <span v-if="busy" aria-hidden="true" block animate animate-spin preserve-3d class="rtl-flip">
+        <span block i-ri:loader-2-fill aria-hidden="true" />
+      </span>
+      <span v-else aria-hidden="true" block i-ri:login-circle-line class="rtl-flip" />
+      {{ $t('action.sign_in') }}
+    </button>
+    <button v-else btn-solid rounded-3 text-center mt-2 select-none @click="openSigninDialog()">
+      {{ $t('action.sign_in') }}
+    </button>
+  </div>
+</template>

app/components/user/UserSwitcher.vue

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+<script setup lang="ts">
+import type { UserLogin } from '#shared/types'
+
+const emit = defineEmits<{
+  (event: 'click'): void
+}>()
+
+const all = useUsers()
+const { singleInstanceServer, oauth } = useSignIn()
+
+const sorted = computed(() => {
+  return [
+    currentUser.value!,
+    ...all.value.filter(account => account.token !== currentUser.value?.token),
+  ].filter(Boolean)
+})
+
+const router = useRouter()
+function clickUser(user: UserLogin) {
+  if (user.account.id === currentUser.value?.account.id)
+    router.push(getAccountRoute(user.account))
+  else
+    switchUser(user)
+}
+function processSignIn() {
+  if (singleInstanceServer)
+    oauth()
+  else
+    openSigninDialog()
+}
+</script>
+
+<template>
+  <div sm:min-w-80 max-w-100vw mxa py2 flex="~ col" @click="emit('click')">
+    <template v-for="user of sorted" :key="user.id">
+      <button
+        flex rounded px4 py3 text-left
+        hover:bg-active cursor-pointer transition-100
+        :aria-label="$t('action.switch_account')"
+        @click="clickUser(user)"
+      >
+        <AccountInfo :account="user.account" :hover-card="false" square />
+        <div flex-auto />
+        <div v-if="user.token === currentUser?.token" i-ri:check-line text-primary mya text-2xl />
+      </button>
+    </template>
+    <div border="t base" pt2>
+      <CommonDropdownItem
+        is="button"
+        :text="$t('user.add_existing')"
+        icon="i-ri:user-add-line"
+        w-full
+        @click="processSignIn"
+      />
+      <CommonDropdownItem
+        is="button"
+        v-if="isHydrated && currentUser"
+        :text="$t('user.sign_out_account', [getFullHandle(currentUser.account)])"
+        icon="i-ri:logout-box-line rtl-flip"
+        w-full
+        @click="signOut"
+      />
+    </div>
+  </div>
+</template>