chore: typescript (#573)

Co-authored-by: Dmitry Shirokov <dshirokov@atlassian.com>

Author: Dmitry Shirokov

package.json

@@ -42,7 +42,7 @@
     "semantic-release": "19.0.5",
     "sinon": "14.0.0",
     "ts-jest": "28.0.7",
-    "typescript": "4.7.4"
+    "typescript": "^4.8.4"
   },
   "repository": {
     "type": "git",

src/index.ts

@@ -1,6 +1,6 @@
 import assert from 'assert';
 import lru from 'tiny-lru';
-import { Reader } from 'mmdb-lib';
+import { Reader, Response } from 'mmdb-lib';
 import fs from './fs';
 import ip from './ip';
 import isGzip from './is-gzip';
@@ -17,7 +17,7 @@ export interface OpenOpts {
   watchForUpdatesHook?: Callback;
 }
 
-export const open = async <T>(
+export const open = async <T extends Response>(
   filepath: string,
   opts?: OpenOpts,
   cb?: Callback

tsconfig.json

@@ -8,7 +8,7 @@
     "declaration": true,
     "diagnostics": true,
     "esModuleInterop": true,
-    "extendedDiagnostics": true,
+    "extendedDiagnostics": false,
     "listEmittedFiles": true,
     "module": "commonjs",
     "removeComments": true,