Enable dtslinting

.github/workflows/lint.yml

@@ -21,3 +21,6 @@ jobs:
 
       - name: Run lint
         run: npm run lint
+
+      - name: Run dtslint
+        run: npm run dtslint

package.json

@@ -34,6 +34,7 @@
     "rimraf": "^3.0.0",
     "sinon": "^9.0.1",
     "sinon-chai": "^3.3.0",
+    "typescript": "~4.4.3",
     "upath": "^1.2.0"
   },
   "files": [

types/index.d.ts

@@ -4,7 +4,7 @@
 
 import * as fs from "fs";
 import { EventEmitter } from "events";
-import { Matcher } from 'anymatch'
+import { Matcher } from 'anymatch';
 
 export class FSWatcher extends EventEmitter implements fs.FSWatcher {
   options: WatchOptions;

types/test.ts

@@ -50,7 +50,9 @@ watcher.add(["new-file-2", "new-file-3", "**/other-file*"]);
 watcher.unwatch("new-file*");
 
 // Only needed if watching is `persistent: true`.
-watcher.close();
+(async () => {
+  await watcher.close();
+})();
 
 // One-liner
 chokidar