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<template>
<div class="search-box">
<input
@input="query = $event.target.value"
aria-label="Search"
:value="query"
:class="{ 'focused': focused }"
autocomplete="off"
spellcheck="false"
@focus="focused = true"
@blur="focused = false"
@keyup.enter="go(focusIndex)"
@keyup.up="onUp"
@keyup.down="onDown"
>
<ul
class="suggestions"
v-if="showSuggestions"
:class="{ 'align-right': alignRight }"
@mouseleave="unfocus"
>
<li
class="suggestion"
v-for="(s, i) in suggestions"
:class="{ focused: i === focusIndex }"
@mousedown="go(i)"
@mouseenter="focus(i)"
>
<a :href="s.path" @click.prevent>
<span class="page-title">{{ s.title || s.path }}</span>
<span v-if="s.header" class="header">> {{ s.header.title }}</span>
</a>
</li>
</ul>
</div>
</template>
<script>
export default {
data () {
return {
query: '',
focused: false,
focusIndex: 0
}
},
computed: {
showSuggestions () {
return (
this.focused &&
this.suggestions &&
this.suggestions.length
)
},
suggestions () {
const query = this.query.trim().toLowerCase()
if (!query) {
return
}
const { pages, themeConfig } = this.$site
const max = themeConfig.searchMaxSuggestions || 5
const localePath = this.$localePath
const matches = item => (
item.title &&
item.title.toLowerCase().indexOf(query) > -1
)
const res = []
for (let i = 0; i < pages.length; i++) {
if (res.length >= max) break
const p = pages[i]
// filter out results that do not match current locale
if (this.getPageLocalePath(p) !== localePath) {
continue
}
if (matches(p)) {
res.push(p)
} else if (p.headers) {
for (let j = 0; j < p.headers.length; j++) {
if (res.length >= max) break
const h = p.headers[j]
if (matches(h)) {
res.push(Object.assign({}, p, {
path: p.path + '#' + h.slug,
header: h
}))
}
}
}
}
return res
},
// make suggestions align right when there are not enough items
alignRight () {
const navCount = (this.$site.themeConfig.nav || []).length
const repo = this.$site.repo ? 1 : 0
return navCount + repo <= 2
}
},
methods: {
getPageLocalePath (page) {
for (const localePath in this.$site.locales || {}) {
if (localePath !== '/' && page.path.indexOf(localePath) === 0) {
return localePath
}
}
return '/'
},
onUp () {
if (this.showSuggestions) {
if (this.focusIndex > 0) {
this.focusIndex--
} else {
this.focusIndex = this.suggestions.length - 1
}
}
},
onDown () {
if (this.showSuggestions) {
if (this.focusIndex < this.suggestions.length - 1) {
this.focusIndex++
} else {
this.focusIndex = 0
}
}
},
go (i) {
if (!this.showSuggestions) {
return
}
this.$router.push(this.suggestions[i].path)
this.query = ''
this.focusIndex = 0
},
focus (i) {
this.focusIndex = i
},
unfocus () {
this.focusIndex = -1
}
}
}
</script>
<style lang="stylus">
@import './styles/config.styl'
.search-box
display inline-block
position relative
margin-right 1rem
input
cursor text
width 10rem
color lighten($textColor, 25%)
display inline-block
border 1px solid darken($borderColor, 10%)
border-radius 2rem
font-size 0.9rem
line-height 2rem
padding 0 0.5rem 0 2rem
outline none
transition all .2s ease
background #fff url(./search.svg) 0.6rem 0.5rem no-repeat
background-size 1rem
&:focus
cursor auto
border-color $accentColor
.suggestions
background #fff
width 20rem
position absolute
top 1.5rem
border 1px solid darken($borderColor, 10%)
border-radius 6px
padding 0.4rem
list-style-type none
&.align-right
right 0
.suggestion
line-height 1.4
padding 0.4rem 0.6rem
border-radius 4px
cursor pointer
a
white-space normal
color lighten($textColor, 35%)
.page-title
font-weight 600
.header
font-size 0.9em
margin-left 0.25em
&.focused
background-color #f3f4f5
a
color $accentColor
@media (max-width: $MQNarrow)
.search-box
input
cursor pointer
width 0
border-color transparent
position relative
&:focus
cursor text
left 0
width 10rem
@media (max-width: $MQNarrow) and (min-width: $MQMobile)
.search-box
.suggestions
left 0
@media (max-width: $MQMobile)
.search-box
margin-right 0
input
left 1rem
.suggestions
right 0
@media (max-width: $MQMobileNarrow)
.search-box
.suggestions
width calc(100vw - 4rem)
input:focus
width 8rem
</style>
|
