Add type to smartFilter

Related: #1225

packages/ansible-language-server/test/helper.ts

@@ -2,11 +2,15 @@ import { TextDocument } from "vscode-languageserver-textdocument";
 import * as path from "path";
 import { readFileSync } from "fs";
 import { WorkspaceManager } from "../src/services/workspaceManager";
-import { createConnection, TextDocuments } from "vscode-languageserver/node";
+import {
+  CompletionItem,
+  createConnection,
+  TextDocuments,
+} from "vscode-languageserver/node";
 import { ValidationManager } from "../src/services/validationManager";
 import { ExtensionSettings } from "../src/interfaces/extensionSettings";
 
-import Fuse from "fuse.js";
+import Fuse, { FuseResult } from "fuse.js";
 
 export const FIXTURES_BASE_PATH = path.join("test", "fixtures");
 export const ANSIBLE_COLLECTIONS_FIXTURES_BASE_PATH = path.resolve(
@@ -93,7 +97,10 @@ export function isWindows(): boolean {
  * @param triggerCharacter - string against which fuzzy search is to be done
  * @returns list after sorting and filtering
  */
-export function smartFilter(completionList, triggerCharacter) {
+export function smartFilter(
+  completionList: CompletionItem[],
+  triggerCharacter: string,
+): CompletionItem[] {
   if (!completionList) {
     return [];
   }
@@ -107,7 +114,7 @@ export function smartFilter(completionList, triggerCharacter) {
     threshold: 0.4,
   });
 
-  let filteredCompletionList = triggerCharacter
+  const filteredCompletionList = triggerCharacter
     ? searcher.search(triggerCharacter).slice(0, 5)
     : completionList.slice(0, 5);
 
@@ -119,12 +126,14 @@ export function smartFilter(completionList, triggerCharacter) {
       threshold: 0.2,
     });
 
-    filteredCompletionList = triggerCharacter
-      ? newSearcher.search(triggerCharacter).slice(0, 5)
-      : completionList.slice(0, 5);
+    if (triggerCharacter) {
+      const x = newSearcher.search(triggerCharacter).slice(0, 5);
+      return x;
+    }
+    return completionList.slice(0, 5);
   }
 
-  return filteredCompletionList;
+  return completionList.slice(0, 5);
 }
 
 /**