add theme

themes/butterfly/layout/includes/third-party/search/docsearch.pug

@@ -0,0 +1,29 @@
+- const { placeholder, docsearch: { appId, apiKey, indexName, option } } = theme.search
+
+.docsearch-wrap
+  #docsearch(style="display:none")
+  link(rel="stylesheet" href=url_for(theme.asset.docsearch_css))
+  script(src=url_for(theme.asset.docsearch_js))
+  script.
+    (() => {
+      docsearch(Object.assign({
+        appId: '!{appId}',
+        apiKey: '!{apiKey}',
+        indexName: '!{indexName}',
+        container: '#docsearch',
+        placeholder: '!{ placeholder || _p("search.input_placeholder")}',
+      }, !{JSON.stringify(option)}))
+
+      const handleClick = () => {
+        document.querySelector('.DocSearch-Button').click()
+      }
+
+      const searchClickFn = () => {
+        btf.addEventListenerPjax(document.querySelector('#search-button > .search'), 'click', handleClick)
+      }
+
+      searchClickFn()
+      window.addEventListener('pjax:complete', searchClickFn)
+    })()
+
+