Clarify nil request validation error

go.sum

@@ -23,10 +23,6 @@ filippo.io/edwards25519 v1.0.0-rc.1 h1:m0VOOB23frXZvAOK44usCgLWvtsxIoMCTBGJZlpmG
 filippo.io/edwards25519 v1.0.0-rc.1/go.mod h1:N1IkdkCkiLB6tki+MYJoSx2JTY9NUlxZE7eHn5EwJns=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/GopeedLab/webview_go v0.0.0-20260416010719-fc58e7d53769 h1:iuMR7aHvckis8PKYUDXDa8elcmf34GksWpaYak1EYKw=
-github.com/GopeedLab/webview_go v0.0.0-20260416010719-fc58e7d53769/go.mod h1:FvV19lu9rQ9NcbczN5y8pbWecURRRbWa8tbfFARBDa0=
-github.com/GopeedLab/webview_go v0.0.0-20260423023243-b3f067ccab2f h1:yu//jtofUpHZB+IpB1xIH8z4o4JsFJ6pMvgA1Ww/ElY=
-github.com/GopeedLab/webview_go v0.0.0-20260423023243-b3f067ccab2f/go.mod h1:FvV19lu9rQ9NcbczN5y8pbWecURRRbWa8tbfFARBDa0=
 github.com/GopeedLab/webview_go v0.0.0-20260423085439-7a2f88b6e9b5 h1:86LVTaNDM/j/uTAD2HedkXNO9LIQlt642VAdbU/0D/M=
 github.com/GopeedLab/webview_go v0.0.0-20260423085439-7a2f88b6e9b5/go.mod h1:FvV19lu9rQ9NcbczN5y8pbWecURRRbWa8tbfFARBDa0=
 github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0rYXWg0=

pkg/download/downloader.go

@@ -426,6 +426,9 @@ func ensureResourceRequestRawURLs(parentReq *base.Request, res *base.Resource) {
 }
 
 func (d *Downloader) Resolve(req *base.Request, opts *base.Options) (rr *ResolveResult, err error) {
+	if req == nil {
+		return nil, errors.New("request cannot be nil")
+	}
 	rrId, err := gonanoid.New()
 	if err != nil {
 		return

pkg/download/extension.go

@@ -548,7 +548,7 @@ func (s *Script) match(event ActivationEvent, req *base.Request) bool {
 	if s.Event != string(event) {
 		return false
 	}
-	if s.Match == nil || (len(s.Match.Urls) == 0 && len(s.Match.Labels) == 0) {
+	if req == nil || s.Match == nil || (len(s.Match.Urls) == 0 && len(s.Match.Labels) == 0) {
 		return false
 	}
 

pkg/download/extension_test.go

@@ -21,6 +21,24 @@ import (
 	"github.com/dop251/goja"
 )
 
+func TestDownloader_ResolveNilRequest(t *testing.T) {
+	setupDownloader(func(downloader *Downloader) {
+		if _, err := downloader.Resolve(nil, nil); err == nil {
+			t.Fatal("expected invalid request error")
+		}
+	})
+}
+
+func TestScript_MatchNilRequest(t *testing.T) {
+	script := &Script{
+		Event: string(EventOnResolve),
+		Match: &Match{Urls: []string{"*://*/*"}},
+	}
+	if script.match(EventOnResolve, nil) {
+		t.Fatal("expected nil request not to match")
+	}
+}
+
 func TestDownloader_InstallExtensionByFolder(t *testing.T) {
 	setupDownloader(func(downloader *Downloader) {
 		if _, err := downloader.InstallExtensionByFolder("./testdata/extensions/basic", false); err != nil {