Replaced operators: ajax -> fetch, pluck -> map

src/assets/javascripts/integrations/search/_/index.ts

@@ -82,7 +82,7 @@ export type SearchIndexPipeline = SearchIndexPipelineFn[]
 export interface SearchIndex {
   config: SearchIndexConfig            /* Search index configuration */
   docs: SearchIndexDocument[]          /* Search index documents */
-  index?: object | string              /* Prebuilt or serialized index */
+  index?: object                       /* Prebuilt index */
   pipeline?: SearchIndexPipeline       /* Search index pipeline */
 }
 
@@ -204,13 +204,9 @@ export class Search {
           this.add(doc)
       })
 
-    /* Handle prebuilt or serialized index */
+    /* Handle prebuilt index */
     } else {
-      this.index = lunr.Index.load(
-        typeof index === "string"
-          ? JSON.parse(index)
-          : index
-      )
+      this.index = lunr.Index.load(index)
     }
   }
 

src/assets/javascripts/integrations/search/document/index.ts

@@ -20,6 +20,7 @@
  * IN THE SOFTWARE.
  */
 
+// @ts-ignore
 import * as escapeHTML from "escape-html"
 
 import { SearchIndexDocument } from "../_"

src/assets/javascripts/integrations/search/worker/_/index.ts

@@ -30,13 +30,14 @@ import {
 
 import { WorkerHandler, watchWorker } from "browser"
 
-import { SearchIndex } from "../../_"
+import { SearchIndex, SearchIndexPipeline } from "../../_"
 import {
   SearchMessage,
   SearchMessageType,
   SearchSetupMessage,
   isSearchResultMessage
 } from "../message"
+import { translate } from "utilities"
 
 /* ----------------------------------------------------------------------------
  * Helper types
@@ -54,6 +55,38 @@ interface SetupOptions {
  * Functions
  * ------------------------------------------------------------------------- */
 
+/**
+ * Set up search index
+ *
+ * @param data - Search index
+ *
+ * @return Search index
+ */
+function setupSearchIndex(
+  { config, docs, index }: SearchIndex
+): SearchIndex {
+
+  /* Override default language with value from translation */
+  if (config.lang.length === 1 && config.lang[0] === "en")
+    config.lang = [translate("search.config.lang")]
+
+  /* Override default separator with value from translation */
+  if (config.separator === "[\\s\\-]+")
+    config.separator = translate("search.config.separator")
+
+  /* Set pipeline from translation */
+  const pipeline = translate("search.config.pipeline")
+    .split(/\s*,\s*/)
+    .filter(Boolean) as SearchIndexPipeline
+
+  /* Return search index after defaulting */
+  return { config, docs, index, pipeline }
+}
+
+/* ----------------------------------------------------------------------------
+ * Helper functions
+ * ------------------------------------------------------------------------- */
+
 /**
  * Set up search web worker
  *
@@ -92,7 +125,7 @@ export function setupSearchWorker(
     .pipe(
       map<SearchIndex, SearchSetupMessage>(data => ({
         type: SearchMessageType.SETUP,
-        data
+        data: setupSearchIndex(data)
       })),
       observeOn(asyncScheduler)
     )

src/assets/javascripts/integrations/search/worker/main/index.ts

@@ -22,11 +22,7 @@
 
 import "lunr"
 
-import {
-  Search,
-  SearchIndex,
-  SearchIndexConfig
-} from "../../_"
+import { Search, SearchIndexConfig } from "../../_"
 import {
   SearchMessage,
   SearchMessageType
@@ -63,20 +59,6 @@ let index: Search
  * Helper functions
  * ------------------------------------------------------------------------- */
 
-/**
- * Fetch search index from given URL
- *
- * @param url - Search index URL
- *
- * @return Promise resolving with search index
- */
-async function fetchSearchIndex(url: string): Promise<SearchIndex> {
-  return fetch(url, {
-    credentials: "same-origin"
-  })
-    .then(res => res.json())
-}
-
 /**
  * Fetch (= import) multi-language support through `lunr-languages`
  *
@@ -143,13 +125,8 @@ export async function handler(
 
     /* Search setup message */
     case SearchMessageType.SETUP:
-      const data = typeof message.data === "string"
-        ? await fetchSearchIndex(message.data)
-        : message.data
-
-      /* Set up search index with multi-language support */
-      await setupSearchLanguages(data.config)
-      index = new Search(data)
+      await setupSearchLanguages(message.data.config)
+      index = new Search(message.data)
       return {
         type: SearchMessageType.READY
       }

src/assets/javascripts/integrations/search/worker/message/index.ts

@@ -43,7 +43,7 @@ export const enum SearchMessageType {
  */
 export interface SearchSetupMessage {
   type: SearchMessageType.SETUP        /* Message type */
-  data: SearchIndex | string           /* Message data */
+  data: SearchIndex                    /* Message data */
 }
 
 /**