[client,signal,management] Add browser client support (#4415)

client/internal/routemanager/systemops/systemops_js.go

@@ -0,0 +1,48 @@
+package systemops
+
+import (
+	"errors"
+	"net"
+	"net/netip"
+
+	"github.com/netbirdio/netbird/client/internal/statemanager"
+)
+
+var ErrRouteNotSupported = errors.New("route operations not supported on js")
+
+func (r *SysOps) addToRouteTable(prefix netip.Prefix, nexthop Nexthop) error {
+	return ErrRouteNotSupported
+}
+
+func (r *SysOps) removeFromRouteTable(prefix netip.Prefix, nexthop Nexthop) error {
+	return ErrRouteNotSupported
+}
+
+func GetRoutesFromTable() ([]netip.Prefix, error) {
+	return []netip.Prefix{}, nil
+}
+
+func hasSeparateRouting() ([]netip.Prefix, error) {
+	return []netip.Prefix{}, nil
+}
+
+// GetDetailedRoutesFromTable returns empty routes for WASM.
+func GetDetailedRoutesFromTable() ([]DetailedRoute, error) {
+	return []DetailedRoute{}, nil
+}
+
+func (r *SysOps) AddVPNRoute(prefix netip.Prefix, intf *net.Interface) error {
+	return ErrRouteNotSupported
+}
+
+func (r *SysOps) RemoveVPNRoute(prefix netip.Prefix, intf *net.Interface) error {
+	return ErrRouteNotSupported
+}
+
+func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager, _ bool) error {
+	return nil
+}
+
+func (r *SysOps) CleanupRouting(stateManager *statemanager.Manager, _ bool) error {
+	return nil
+}