refactor: upgrade to TypeScript 5

Author: darrachequesne

.github/workflows/ci.yml

@@ -14,7 +14,6 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 12
           - 20
 
     steps:

lib/index.ts

@@ -1,6 +1,6 @@
-import cluster = require("cluster");
+import cluster from "node:cluster";
 import { Adapter, BroadcastOptions, Room } from "socket.io-adapter";
-import { randomBytes } from "crypto";
+import { randomBytes } from "node:crypto";
 
 const randomId = () => randomBytes(8).toString("hex");
 const debug = require("debug")("socket.io-cluster-adapter");
@@ -297,7 +297,7 @@ export class ClusterAdapter extends Adapter {
       message.nsp
     );
 
-    process.send(message, null, { swallowErrors: true }, ignoreError);
+    process.send(message, null, {}, ignoreError);
   }
 
   /**

package-lock.json

@@ -27,15 +27,15 @@
   "devDependencies": {
     "@types/expect.js": "^0.3.29",
     "@types/mocha": "^10.0.0",
-    "@types/node": "^15.12.4",
+    "@types/node": "~20.19.21",
     "expect.js": "0.3.1",
     "mocha": "^10.0.0",
     "nyc": "^15.1.0",
     "prettier": "^2.1.2",
     "socket.io": "^4.6.1",
     "socket.io-client": "^4.7.1",
     "ts-node": "^9.1.1",
-    "typescript": "^4.0.5"
+    "typescript": "~5.9.3"
   },
   "engines": {
     "node": ">=10.0.0"

package.json

@@ -2,8 +2,7 @@ import { io as ioc, Socket as ClientSocket } from "socket.io-client";
 import expect = require("expect.js");
 import { setupPrimary } from "..";
 import { times, sleep } from "./util";
-import cluster = require("cluster");
-import { Worker } from "cluster";
+import cluster, { Worker } from "node:cluster";
 
 const NODES_COUNT = 3;
 

test/index.ts

@@ -4,7 +4,8 @@
     "allowJs": false,
     "target": "es2017",
     "module": "commonjs",
-    "declaration": true
+    "declaration": true,
+    "esModuleInterop": true
   },
   "include": [
     "./lib/**/*"