docs: update site ui

Signed-off-by: Bobby DeSimone <bobbydesimone@gmail.com>

docs/.vuepress/theme/components/AlgoliaSearchBox.vue

@@ -0,0 +1,158 @@
+<template>
+  <form
+    id="search-form"
+    class="algolia-search-wrapper search-box"
+    role="search"
+  >
+    <input
+      id="algolia-search-input"
+      class="search-query"
+    >
+  </form>
+</template>
+
+<script>
+export default {
+  props: ['options'],
+
+  mounted () {
+    this.initialize(this.options, this.$lang)
+  },
+
+  methods: {
+    initialize (userOptions, lang) {
+      Promise.all([
+        import(/* webpackChunkName: "docsearch" */ 'docsearch.js/dist/cdn/docsearch.min.js'),
+        import(/* webpackChunkName: "docsearch" */ 'docsearch.js/dist/cdn/docsearch.min.css')
+      ]).then(([docsearch]) => {
+        docsearch = docsearch.default
+        const { algoliaOptions = {}} = userOptions
+        docsearch(Object.assign(
+          {},
+          userOptions,
+          {
+            inputSelector: '#algolia-search-input',
+            // #697 Make docsearch work well at i18n mode.
+            algoliaOptions: Object.assign({
+              'facetFilters': [`lang:${lang}`].concat(algoliaOptions.facetFilters || [])
+            }, algoliaOptions),
+            handleSelected: (input, event, suggestion) => {
+              this.$router.push(new URL(suggestion.url).pathname)
+            }
+          }
+        ))
+      })
+    },
+
+    update (options, lang) {
+      this.$el.innerHTML = '<input id="algolia-search-input" class="search-query">'
+      this.initialize(options, lang)
+    }
+  },
+
+  watch: {
+    $lang (newValue) {
+      this.update(this.options, newValue)
+    },
+
+    options (newValue) {
+      this.update(newValue, this.$lang)
+    }
+  }
+}
+</script>
+
+<style lang="stylus">
+.algolia-search-wrapper
+  & > span
+    vertical-align middle
+  .algolia-autocomplete
+    line-height normal
+    .ds-dropdown-menu
+      background-color #fff
+      border 1px solid #999
+      border-radius 4px
+      font-size 16px
+      margin 6px 0 0
+      padding 4px
+      text-align left
+      &:before
+        border-color #999
+      [class*=ds-dataset-]
+        border none
+        padding 0
+      .ds-suggestions
+        margin-top 0
+      .ds-suggestion
+        border-bottom 1px solid $borderColor
+    .algolia-docsearch-suggestion--highlight
+      color #2c815b
+    .algolia-docsearch-suggestion
+      border-color $borderColor
+      padding 0
+      .algolia-docsearch-suggestion--category-header
+        padding 5px 10px
+        margin-top 0
+        background $accentColor
+        color #fff
+        font-weight 600
+        .algolia-docsearch-suggestion--highlight
+          background rgba(255, 255, 255, 0.6)
+      .algolia-docsearch-suggestion--wrapper
+        padding 0
+      .algolia-docsearch-suggestion--title
+        font-weight 600
+        margin-bottom 0
+        color $textColor
+      .algolia-docsearch-suggestion--subcategory-column
+        vertical-align top
+        padding 5px 7px 5px 5px
+        border-color $borderColor
+        background #f1f3f5
+        &:after
+          display none
+      .algolia-docsearch-suggestion--subcategory-column-text
+        color #555
+    .algolia-docsearch-footer
+      border-color $borderColor
+    .ds-cursor .algolia-docsearch-suggestion--content
+      background-color #e7edf3 !important
+      color $textColor
+
+@media (min-width: $MQMobile)
+  .algolia-search-wrapper
+    .algolia-autocomplete
+      .algolia-docsearch-suggestion
+        .algolia-docsearch-suggestion--subcategory-column
+          float none
+          width 150px
+          min-width 150px
+          display table-cell
+        .algolia-docsearch-suggestion--content
+          float none
+          display table-cell
+          width 100%
+          vertical-align top
+        .ds-dropdown-menu
+          min-width 515px !important
+
+@media (max-width: $MQMobile)
+  .algolia-search-wrapper
+    .ds-dropdown-menu
+      min-width calc(100vw - 4rem) !important
+      max-width calc(100vw - 4rem) !important
+    .algolia-docsearch-suggestion--wrapper
+      padding 5px 7px 5px 5px !important
+    .algolia-docsearch-suggestion--subcategory-column
+      padding 0 !important
+      background white !important
+    .algolia-docsearch-suggestion--subcategory-column-text:after
+      content " > "
+      font-size 10px
+      line-height 14.4px
+      display inline-block
+      width 5px
+      margin -3px 3px 0
+      vertical-align middle
+
+</style>