fix: address.family is number in Node v18

See nodejs/node#41431

Signed-off-by: Francisco Buceta <frbuceta@gmail.com>

Author: frbuceta

packages/http-server/src/__tests__/integration/http-server.integration.ts

@@ -29,7 +29,7 @@ describe('HttpServer (integration)', () => {
       host: '::1',
     } as HttpOptions);
     await server.start();
-    expect(getAddressFamily(server)).to.equal('IPv6');
+    expect(getAddressFamily(server)).to.equalOneOf(6, 'IPv6');
     const response = await httpGetAsync(server.url);
     expect(response.statusCode).to.equal(200);
   });
@@ -225,15 +225,15 @@ describe('HttpServer (integration)', () => {
   it('supports HTTP over IPv4', async () => {
     server = new HttpServer(dummyRequestHandler, {host: '127.0.0.1'});
     await server.start();
-    expect(getAddressFamily(server)).to.equal('IPv4');
+    expect(getAddressFamily(server)).to.equalOneOf(4, 'IPv4');
     const response = await httpGetAsync(server.url);
     expect(response.statusCode).to.equal(200);
   });
 
   skipOnTravis(it, 'supports HTTP over IPv6', async () => {
     server = new HttpServer(dummyRequestHandler, {host: '::1'});
     await server.start();
-    expect(getAddressFamily(server)).to.equal('IPv6');
+    expect(getAddressFamily(server)).to.equalOneOf(6, 'IPv6');
     const response = await httpGetAsync(server.url);
     expect(response.statusCode).to.equal(200);
   });
@@ -258,7 +258,7 @@ describe('HttpServer (integration)', () => {
       host: '::1',
     });
     await httpsServer.start();
-    expect(getAddressFamily(httpsServer)).to.equal('IPv6');
+    expect(getAddressFamily(httpsServer)).to.equalOneOf(6, 'IPv6');
     const response = await httpsGetAsync(httpsServer.url);
     expect(response.statusCode).to.equal(200);
   });

packages/http-server/src/http-server.ts

@@ -231,7 +231,7 @@ export class HttpServer {
       return `${this.protocol}+unix://${basePath}`;
     }
     let host = this.host;
-    if (this._address.family === 'IPv6') {
+    if ([6, 'IPv6'].includes(this._address.family)) {
       if (host === '::') host = '::1';
       host = `[${host}]`;
     } else if (host === '0.0.0.0') {