feat: search (#285)

components/search/HashtagInfo.vue

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+<script setup lang="ts">
+defineProps<{ hashtag: any }>()
+</script>
+
+<template>
+  <div flex flex-row items-center gap2>
+    <div w-12 h-12 rounded-full bg-active flex place-items-center place-content-center>
+      <div i-ri:hashtag text-secondary text-lg />
+    </div>
+    <div flex flex-col>
+      <span>
+        {{ hashtag.name }}
+      </span>
+      <span text-xs text-secondary>
+        {{ hashtag.following ? 'Following' : 'Not Following' }}
+      </span>
+    </div>
+  </div>
+</template>

components/search/SearchResult.vue

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+<script setup lang="ts">
+import type { SearchResult } from './types'
+const props = defineProps<{ result: SearchResult; active: boolean }>()
+
+const el = ref<HTMLElement>()
+watch(() => props.active, (active) => {
+  const _el = unrefElement(el)
+
+  if (active && _el)
+    _el.scrollIntoView({ block: 'nearest', inline: 'start' })
+})
+
+const onActivate = () => {
+  (document.activeElement as HTMLElement).blur()
+}
+</script>
+
+<template>
+  <RouterLink ref="el" :to="result.to" py2 block px2 :aria-selected="active" :class="{ 'bg-active': active }" hover:bg-active @click="() => onActivate()">
+    <SearchHashtagInfo v-if="result.type === 'hashtag'" :hashtag="result.hashtag" />
+    <AccountInfo v-else-if="result.type === 'account'" :account="result.account" />
+    <div v-else-if="result.type === 'action'" text-center>
+      {{ result.action!.label }}
+    </div>
+  </RouterLink>
+</template>

components/search/SearchResultSkeleton.vue

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+<template>
+  <div flex flex-col gap-2 px-4 py-3>
+    <div flex gap-4>
+      <div>
+        <div w-12 h-12 rounded-full class="skeleton-loading-bg" />
+      </div>
+      <div flex="~ col 1 gap-2" pb2 min-w-0>
+        <div flex class="skeleton-loading-bg" h-5 w-20 rounded />
+        <div flex class="skeleton-loading-bg" h-4 w-full rounded />
+      </div>
+    </div>
+  </div>
+</template>

components/search/SearchWidget.vue

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+<script setup lang="ts">
+const query = ref('')
+const { accounts, hashtags, loading } = useSearch(query)
+const index = ref(0)
+
+const { t } = useI18n()
+const el = ref<HTMLElement>()
+const router = useRouter()
+const { focused } = useFocusWithin(el)
+
+const results = computed(() => {
+  if (query.value.length === 0)
+    return []
+
+  const results = [
+    ...hashtags.value.slice(0, 3).map(hashtag => ({ type: 'hashtag', hashtag, to: `/tags/${hashtag.name}` })),
+    ...accounts.value.map(account => ({ type: 'account', account, to: `/@${account.acct}` })),
+
+    // Disable until search page is implemented
+    // {
+    //   type: 'action',
+    //   to: `/search?q=${query.value}`,
+    //   action: {
+    //     label: `Search for ${query.value}`,
+    //   },
+    // },
+  ]
+
+  return results
+})
+
+// Reset index when results change
+watch([results, focused], () => index.value = -1)
+
+const shift = (delta: number) => index.value = (index.value + delta % results.value.length + results.value.length) % results.value.length
+
+const activate = () => {
+  (document.activeElement as HTMLElement).blur()
+  const currentIndex = index.value
+  index.value = -1
+
+  if (query.value.length === 0)
+    return
+
+  // Disable until search page is implemented
+  // if (currentIndex === -1)
+  //   router.push(`/search?q=${query.value}`)
+
+  router.push(results.value[currentIndex].to)
+}
+</script>
+
+<template>
+  <div ref="el" relative px4 py2 group>
+    <div bg-base border="~ base" h10 rounded-full flex="~ row" items-center relative outline-primary outline-1 focus-within:outline transition-all transition-duration-500>
+      <div i-ri:search-2-line mx4 absolute pointer-events-none text-secondary mt="1px" />
+      <input
+        ref="input"
+        v-model="query"
+        h-full
+        pl-10
+        rounded-full
+        w-full
+        bg-transparent
+        outline="focus:none"
+        pr-4
+        :placeholder="`${t('nav_side.search')} Elk`"
+        pb="1px"
+        placeholder-text-secondary
+        @keydown.down.prevent="shift(1)"
+        @keydown.up.prevent="shift(-1)"
+        @keypress.enter="activate"
+      >
+    </div>
+    <!-- Results -->
+    <div p4 left-0 top-10 absolute w-full z10 group-focus-within="pointer-events-auto visible" invisible pointer-events-none>
+      <div w-full bg-base border="~ base" rounded max-h-100 overflow-auto py2>
+        <span v-if="query.length === 0" block text-center text-sm text-secondary>
+          {{ t('search.search_desc') }}
+        </span>
+        <template v-if="!loading">
+          <SearchResult v-for="(result, i) in results" :key="result.to" :active="index === parseInt(i.toString())" :result="result" :tabindex="focused ? 0 : -1" />
+        </template>
+        <div v-else>
+          <SearchResultSkeleton />
+          <SearchResultSkeleton />
+          <SearchResultSkeleton />
+        </div>
+      </div>
+    </div>
+  </div>
+</template>

components/search/types.ts

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+import type { Account } from 'masto'
+
+export interface SearchResult {
+  type: 'account' | 'hashtag' | 'action'
+  to: string
+  label?: string
+  account?: Account
+  hashtag?: any
+  action?: {
+    label: string
+  }
+}