From 927a771fa438ed9833a82fd87521bef50f4b4adc Mon Sep 17 00:00:00 2001
From: Marcos Casagrande <marcoscvp90@gmail.com>
Date: Tue, 28 Apr 2020 16:40:17 +0200
Subject: url: Make zero a valid port (#4963)

---
 cli/js/web/url.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'cli/js/web/url.ts')

diff --git a/cli/js/web/url.ts b/cli/js/web/url.ts
index 77285e456..6a8dc6627 100644
--- a/cli/js/web/url.ts
+++ b/cli/js/web/url.ts
@@ -193,10 +193,10 @@ export class URLImpl implements URL {
     // https://url.spec.whatwg.org/#port-state
     if (value === "") return value;
 
-    const port = parseInt(value, 10);
-
-    if (!Number.isNaN(port) && port > 0 && port <= MAX_PORT)
+    const port = Number(value);
+    if (Number.isInteger(port) && port >= 0 && port <= MAX_PORT) {
       return port.toString();
+    }
 
     return undefined;
   };
-- 
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