Add ability to specify elastic results highlight tags

Author: Alejandro Hernandez

.changeset/eighty-games-burn.md

@@ -0,0 +1,5 @@
+---
+'contexture-elasticsearch': minor
+---
+
+Add ability to specify elastic results highlight tags

packages/provider-elasticsearch/src/example-types/results/highlighting/search.js

@@ -11,11 +11,6 @@ import {
   getResponseHighlight,
 } from './response.js'
 
-let tags = {
-  pre: '<b class="search-highlight">',
-  post: '</b>',
-}
-
 export let searchWithHighlights = (node, search, schema) => async (body) => {
   // Paths for fields to always include regardless of whether the user included
   // them. They will be removed from the response hits so the user will not
@@ -33,6 +28,11 @@ export let searchWithHighlights = (node, search, schema) => async (body) => {
     pathsToAdd
   )
 
+  let tags = {
+    pre: node.highlight?.tags?.pre ?? '<em class="search-highlight">',
+    post: node.highlight?.tags?.post ?? '</em>',
+  }
+
   let response = await search({
     ...body,
     _source: F.omitBlank(source),