diff --git a/enumerator/usb_js.go b/enumerator/usb_js.go
new file mode 100644
index 0000000..3f3b22f
--- /dev/null
+++ b/enumerator/usb_js.go
@@ -0,0 +1,11 @@
+//
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package enumerator
+
+func nativeGetDetailedPortsList() ([]*PortDetails, error) {
+	return nil, &PortEnumerationError{}
+}
diff --git a/enumerator/usb_wasm.go b/enumerator/usb_wasm.go
new file mode 100644
index 0000000..24d79ff
--- /dev/null
+++ b/enumerator/usb_wasm.go
@@ -0,0 +1,14 @@
+//
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+//go:build wasip1
+// +build wasip1
+
+package enumerator
+
+func nativeGetDetailedPortsList() ([]*PortDetails, error) {
+	return nil, &PortEnumerationError{}
+}
diff --git a/enumerator_js.go b/enumerator_js.go
new file mode 100644
index 0000000..9fa0441
--- /dev/null
+++ b/enumerator_js.go
@@ -0,0 +1,12 @@
+//go:build js
+// +build js
+
+package serial
+
+import (
+	"errors"
+)
+
+func nativeGetPortsList() ([]string, error) {
+	return nil, errors.New("nativeGetPortsList is not supported on GOOS=js")
+}
diff --git a/enumerator_wasm.go b/enumerator_wasm.go
new file mode 100644
index 0000000..560ba1b
--- /dev/null
+++ b/enumerator_wasm.go
@@ -0,0 +1,12 @@
+//go:build wasip1
+// +build wasip1
+
+package serial
+
+import (
+	"errors"
+)
+
+func nativeGetPortsList() ([]string, error) {
+	return nil, errors.New("nativeGetPortsList is not supported on GOARCH=wasm")
+}
diff --git a/serial_js.go b/serial_js.go
new file mode 100644
index 0000000..b20987f
--- /dev/null
+++ b/serial_js.go
@@ -0,0 +1,12 @@
+//go:build js
+// +build js
+
+package serial
+
+import (
+	"errors"
+)
+
+func nativeOpen(portName string, mode *Mode) (Port, error) {
+	return nil, errors.New("nativeOpen is not supported on GOOS=js")
+}
diff --git a/serial_wasm.go b/serial_wasm.go
new file mode 100644
index 0000000..6dd694d
--- /dev/null
+++ b/serial_wasm.go
@@ -0,0 +1,12 @@
+//go:build wasip1
+// +build wasip1
+
+package serial
+
+import (
+	"errors"
+)
+
+func nativeOpen(portName string, mode *Mode) (Port, error) {
+	return nil, errors.New("nativeOpen is not supported on GOARCH=wasm")
+}