Adding upstream version 5.2.3+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

site/assets/js/search.js

@@ -0,0 +1,47 @@
+// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
+// IT'S ALL JUST JUNK FOR OUR DOCS!
+// ++++++++++++++++++++++++++++++++++++++++++
+
+(() => {
+  'use strict'
+
+  const searchElement = document.getElementById('docsearch')
+
+  if (!window.docsearch || !searchElement) {
+    return
+  }
+
+  const siteDocsVersion = searchElement.getAttribute('data-bd-docs-version')
+
+  window.docsearch({
+    apiKey: '3151f502c7b9e9dafd5e6372b691a24e',
+    indexName: 'bootstrap',
+    appId: 'AK7KMZKZHQ',
+    container: searchElement,
+    searchParameters: {
+      facetFilters: [`version:${siteDocsVersion}`]
+    },
+    transformItems(items) {
+      return items.map(item => {
+        const liveUrl = 'https://getbootstrap.com/'
+
+        item.url = window.location.origin.startsWith(liveUrl) ?
+          // On production, return the result as is
+          item.url :
+          // On development or Netlify, replace `item.url` with a trailing slash,
+          // so that the result link is relative to the server root
+          item.url.replace(liveUrl, '/')
+
+        // Prevent jumping to first header
+        if (item.anchor === 'content') {
+          item.url = item.url.replace(/#content$/, '')
+          item.anchor = null
+        }
+
+        return item
+      })
+    },
+    // Set debug to `true` if you want to inspect the dropdown
+    debug: false
+  })
+})()