fix: Do not add port 80 to default base URL

src/init/variables/extractors/BaseUrlExtractor.ts

@@ -22,6 +22,8 @@ export class BaseUrlExtractor extends ShorthandExtractor {
       throw new Error('BaseUrl argument should be provided when using Unix Domain Sockets.');
     }
     const port = args.port ?? this.defaultPort;
-    return `http://localhost:${port}/`;
+    const url = new URL('http://localhost/');
+    url.port = `${port}`;
+    return url.href;
   }
 }

test/unit/init/variables/extractors/BaseUrlExtractor.test.ts

@@ -24,4 +24,8 @@ describe('A BaseUrlExtractor', (): void => {
   it('defaults to port 3000.', async(): Promise<void> => {
     await expect(computer.handle({})).resolves.toBe('http://localhost:3000/');
   });
+
+  it('does not add the port if it is 80.', async(): Promise<void> => {
+    await expect(computer.handle({ port: 80 })).resolves.toBe('http://localhost/');
+  });
 });