.

ext/net/02_tls.js

@@ -15,6 +15,7 @@ import {
 const {
   Number,
   ObjectDefineProperty,
+  ReflectHas,
   TypeError,
 } = primordials;
 
@@ -137,8 +138,9 @@ class TlsListener extends Listener {
 }
 
 function hasTlsKeyPairOptions(options) {
-  return ("cert" in options || "key" in options || "certFile" in options ||
-    "keyFile" in options);
+  return (ReflectHas(options, "cert") || ReflectHas(options, "key") ||
+    ReflectHas(options, "certFile") ||
+    ReflectHas(options, "keyFile"));
 }
 
 function loadTlsKeyPair(
@@ -148,10 +150,12 @@ function loadTlsKeyPair(
   keyFile,
 ) {
   if ((certFile !== undefined) ^ (keyFile !== undefined)) {
-    throw new Error("If certFile is specified, keyFile must also be specified");
+    throw new TypeError(
+      "If certFile is specified, keyFile must also be specified",
+    );
   }
   if ((cert !== undefined) ^ (key !== undefined)) {
-    throw new Error("If cert is specified, key must also be specified");
+    throw new TypeError("If cert is specified, key must also be specified");
   }
 
   if (certFile !== undefined) {