fix: add go.sum to repository for CI builds

The go.sum file was not tracked, causing CI to fail with
"missing go.sum entry" errors during build/test/vet.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: https://gitea.com/actions/checkout@v4
+      - uses: https://gitea.com/actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+      - run: go build ./...
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: https://gitea.com/actions/checkout@v4
+      - uses: https://gitea.com/actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+      - run: go test ./...
+
+  vet:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: https://gitea.com/actions/checkout@v4
+      - uses: https://gitea.com/actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+      - run: go vet ./...

MIGRATION.md

@@ -0,0 +1,37 @@
+# Migration Guide
+
+This guide documents all breaking API changes from the restructuring of go-extractor.
+
+All core interfaces (`Browser`, `Document`, `Node`, `CookieJar`, `InteractiveBrowser`) are **unchanged**.
+
+## Type and Function Renames
+
+```
+extractor.NewPlayWrightBrowser       -> extractor.NewBrowser
+extractor.PlayWrightBrowserOptions   -> extractor.BrowserOptions
+extractor.PlayWrightBrowserSelection -> extractor.BrowserSelection
+
+extractor.PlayWrightBrowserSelectionChromium -> extractor.BrowserChromium
+extractor.PlayWrightBrowserSelectionFirefox  -> extractor.BrowserFirefox
+extractor.PlayWrightBrowserSelectionWebKit   -> extractor.BrowserWebKit
+```
+
+## Field Renames (inside BrowserOptions)
+
+```
+.PlayWrightServerAddress      -> .ServerAddress
+.DontLaunchOnConnectFailure   -> .RequireServer
+```
+
+The `RequireServer` field is semantically identical to `DontLaunchOnConnectFailure`:
+
+- Old: `DontLaunchOnConnectFailure: true` meant "fail if can't connect to server"
+- New: `RequireServer: true` means the same thing
+
+## New Helper
+
+```go
+extractor.DeferClose(closer)
+```
+
+Nil-safe defer close helper. Replaces the `deferClose` functions that were previously copy-pasted across packages.

article_test.go

@@ -0,0 +1,29 @@
+package extractor
+
+import "testing"
+
+func TestArticle_ZeroValue(t *testing.T) {
+	var a Article
+	if a.Title != "" || a.Content != "" || a.Length != 0 {
+		t.Error("zero-value Article should have empty fields")
+	}
+}
+
+func TestArticle_FieldAssignment(t *testing.T) {
+	a := Article{
+		Title:       "Test Title",
+		Content:     "<p>hello</p>",
+		TextContent: "hello",
+		Length:      5,
+		Excerpt:     "hello",
+		Byline:      "Author",
+		SiteName:    "Example",
+		Lang:        "en",
+	}
+	if a.Title != "Test Title" {
+		t.Errorf("Title = %q, want %q", a.Title, "Test Title")
+	}
+	if a.Length != 5 {
+		t.Errorf("Length = %d, want 5", a.Length)
+	}
+}

browser_init.go

@@ -0,0 +1,160 @@
+package extractor
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+
+	"github.com/playwright-community/playwright-go"
+)
+
+// browserInitResult holds the result of shared browser initialization.
+type browserInitResult struct {
+	pw      *playwright.Playwright
+	browser playwright.Browser
+	bctx    playwright.BrowserContext
+	opt     BrowserOptions
+}
+
+// initBrowser performs the shared browser initialization steps:
+// start Playwright, select browser type, connect or launch, create context, load cookies.
+func initBrowser(opt BrowserOptions) (*browserInitResult, error) {
+	pw, err := playwright.Run()
+	if err != nil {
+		err = playwright.Install()
+		if err != nil {
+			return nil, fmt.Errorf("failed to install playwright: %w", err)
+		}
+		pw, err = playwright.Run()
+		if err != nil {
+			return nil, fmt.Errorf("failed to start playwright: %w", err)
+		}
+	}
+
+	var bt playwright.BrowserType
+	switch opt.Browser {
+	case BrowserChromium:
+		bt = pw.Chromium
+		if opt.ServerAddress == "" {
+			opt.ServerAddress = os.Getenv("PLAYWRIGHT_SERVER_ADDRESS_CHROMIUM")
+		}
+	case BrowserFirefox:
+		bt = pw.Firefox
+		if opt.ServerAddress == "" {
+			opt.ServerAddress = os.Getenv("PLAYWRIGHT_SERVER_ADDRESS_FIREFOX")
+		}
+	case BrowserWebKit:
+		bt = pw.WebKit
+		if opt.ServerAddress == "" {
+			opt.ServerAddress = os.Getenv("PLAYWRIGHT_SERVER_ADDRESS_WEBKIT")
+		}
+	default:
+		return nil, ErrInvalidBrowserSelection
+	}
+
+	var browser playwright.Browser
+	launch := true
+
+	if opt.ServerAddress != "" && !opt.UseLocalOnly {
+		launch = false
+		slog.Info("connecting to playwright server", "address", opt.ServerAddress)
+		var timeout float64 = 30000
+		browser, err = bt.Connect(opt.ServerAddress, playwright.BrowserTypeConnectOptions{Timeout: &timeout})
+		if err != nil {
+			if opt.RequireServer {
+				return nil, err
+			}
+			slog.Warn("failed to connect to playwright server, launching local browser", "err", err)
+			launch = true
+		}
+	}
+
+	if launch {
+		browser, err = bt.Launch(playwright.BrowserTypeLaunchOptions{
+			Headless: playwright.Bool(!opt.ShowBrowser),
+		})
+		if err != nil {
+			return nil, fmt.Errorf("failed to launch browser: %w", err)
+		}
+	}
+
+	var viewport *playwright.Size
+	if opt.Dimensions.Width > 0 && opt.Dimensions.Height > 0 {
+		viewport = &playwright.Size{
+			Width:  opt.Dimensions.Width,
+			Height: opt.Dimensions.Height,
+		}
+	}
+
+	var scheme *playwright.ColorScheme
+	if opt.DarkMode {
+		scheme = playwright.ColorSchemeDark
+	} else {
+		scheme = playwright.ColorSchemeNoPreference
+	}
+
+	bctx, err := browser.NewContext(playwright.BrowserNewContextOptions{
+		UserAgent:   playwright.String(opt.UserAgent),
+		Viewport:    viewport,
+		ColorScheme: scheme,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to create browser context: %w", err)
+	}
+
+	if opt.CookieJar != nil {
+		cookies, err := opt.CookieJar.GetAll()
+		if err != nil {
+			return nil, fmt.Errorf("error getting cookies from cookie jar: %w", err)
+		}
+		pwCookies := make([]playwright.OptionalCookie, len(cookies))
+		for i, c := range cookies {
+			pwCookies[i] = cookieToPlaywrightOptionalCookie(c)
+		}
+		if err := bctx.AddCookies(pwCookies); err != nil {
+			return nil, fmt.Errorf("error adding cookies to browser: %w", err)
+		}
+	}
+
+	return &browserInitResult{
+		pw:      pw,
+		browser: browser,
+		bctx:    bctx,
+		opt:     opt,
+	}, nil
+}
+
+// mergeOptions merges variadic BrowserOptions into a base set of defaults.
+func mergeOptions(base BrowserOptions, opts []BrowserOptions) BrowserOptions {
+	for _, o := range opts {
+		if o.UserAgent != "" {
+			base.UserAgent = o.UserAgent
+		}
+		if o.Browser != "" {
+			base.Browser = o.Browser
+		}
+		if o.Timeout != nil {
+			base.Timeout = o.Timeout
+		}
+		if o.CookieJar != nil {
+			base.CookieJar = o.CookieJar
+		}
+		if o.Dimensions.Width > 0 && o.Dimensions.Height > 0 {
+			base.Dimensions = o.Dimensions
+		}
+		if o.DarkMode {
+			base.DarkMode = true
+		}
+		if o.ServerAddress != "" {
+			base.ServerAddress = o.ServerAddress
+		}
+		if o.RequireServer {
+			base.RequireServer = true
+		}
+		if o.UseLocalOnly {
+			base.UseLocalOnly = true
+		}
+		base.ShowBrowser = o.ShowBrowser
+	}
+	return base
+}

close.go

@@ -0,0 +1,11 @@
+package extractor
+
+import "io"
+
+// DeferClose safely closes an io.Closer, ignoring the error.
+// Intended for use in defer statements.
+func DeferClose(cl io.Closer) {
+	if cl != nil {
+		_ = cl.Close()
+	}
+}

close_test.go

@@ -0,0 +1,38 @@
+package extractor
+
+import (
+	"errors"
+	"testing"
+)
+
+type mockCloser struct {
+	closed bool
+	err    error
+}
+
+func (m *mockCloser) Close() error {
+	m.closed = true
+	return m.err
+}
+
+func TestDeferClose_Nil(t *testing.T) {
+	// Should not panic on nil.
+	DeferClose(nil)
+}
+
+func TestDeferClose_Valid(t *testing.T) {
+	m := &mockCloser{}
+	DeferClose(m)
+	if !m.closed {
+		t.Error("DeferClose did not call Close()")
+	}
+}
+
+func TestDeferClose_ErrorIgnored(t *testing.T) {
+	m := &mockCloser{err: errors.New("close error")}
+	// Should not panic even when Close returns an error.
+	DeferClose(m)
+	if !m.closed {
+		t.Error("DeferClose did not call Close()")
+	}
+}

cmd/browser/main.go

@@ -3,7 +3,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io"
 	"os"
 
 	"github.com/urfave/cli/v3"
@@ -12,9 +11,6 @@ import (
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
 )
 
-func deferClose(cl io.Closer) {
-	_ = cl.Close()
-}
 func main() {
 	cmd := &cli.Command{
 		Name:  "browser",
@@ -31,7 +27,7 @@ func main() {
 				return err
 			}
 
-			defer deferClose(b)
+			defer extractor.DeferClose(b)
 
 			// now open the user specified url
 			doc, err := b.Open(ctx, target, extractor.OpenPageOptions{})
@@ -39,7 +35,7 @@ func main() {
 				return err
 			}
 
-			defer deferClose(doc)
+			defer extractor.DeferClose(doc)
 
 			article, err := extractor.Readability(ctx, doc)
 
@@ -74,6 +70,7 @@ func main() {
 	err := cmd.Run(context.Background(), os.Args)
 
 	if err != nil {
-		panic(err)
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
 	}
 }

cmd/browser/pkg/browser/flags.go

@@ -43,8 +43,8 @@ var Flags = BrowserFlags{
 	},
 }
 
-func FromCommand(_ context.Context, cmd *cli.Command) (extractor.Browser, error) {
+func FromCommand(ctx context.Context, cmd *cli.Command) (extractor.Browser, error) {
-	var opts extractor.PlayWrightBrowserOptions
+	var opts extractor.BrowserOptions
 
 	if ua := cmd.String("user-agent"); ua != "" {
 		opts.UserAgent = ua
@@ -59,7 +59,7 @@ func FromCommand(_ context.Context, cmd *cli.Command) (extractor.Browser, error)
 	}
 
 	if b := cmd.String("browser"); b != "" {
-		opts.Browser = extractor.PlayWrightBrowserSelection(b)
+		opts.Browser = extractor.BrowserSelection(b)
 	}
 
 	if cf := cmd.String("cookies-file"); cf != "" {
@@ -72,5 +72,5 @@ func FromCommand(_ context.Context, cmd *cli.Command) (extractor.Browser, error)
 
 	opts.ShowBrowser = cmd.Bool("visible")
 
-	return extractor.NewPlayWrightBrowser(opts)
+	return extractor.NewBrowser(ctx, opts)
 }

cookiejar.go

@@ -25,7 +25,10 @@ func (c Cookie) IsTargetMatch(target string) (bool, error) {
 	// the host of the cookie is the same as the host of the target
 	// if the cookie host starts with a dot, that means it matches any subdomain
 	if c.Host == u.Host || strings.HasPrefix(c.Host, ".") && strings.HasSuffix(u.Host, c.Host) {
-		if c.Path != "" {
+		if c.Path == "" {
+			return true, nil
+		}
+
 		if !strings.HasPrefix(u.Path, c.Path) {
 			return false, nil
 		}
@@ -39,13 +42,12 @@ func (c Cookie) IsTargetMatch(target string) (bool, error) {
 		// because foseball is not an actual match, we need to check to see that either the path is an exact match
 		// or that the next character in the target path is a slash
 
-			if len(u.Path) > len(c.Path) && u.Path[len(c.Path)] != '/' {
+		if len(u.Path) > len(c.Path) && !strings.HasSuffix(c.Path, "/") && u.Path[len(c.Path)] != '/' {
 			return false, nil
 		}
 
 		return true, nil
 	}
-	}
 
 	return false, nil
 }

cookiejar_test.go

@@ -0,0 +1,266 @@
+package extractor
+
+import (
+	"testing"
+)
+
+func TestCookie_IsTargetMatch_ExactHost(t *testing.T) {
+	c := Cookie{Host: "example.com", Path: "/"}
+	match, err := c.IsTargetMatch("https://example.com/page")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !match {
+		t.Error("expected match for exact host")
+	}
+}
+
+func TestCookie_IsTargetMatch_DotPrefix(t *testing.T) {
+	c := Cookie{Host: ".example.com", Path: "/"}
+	match, err := c.IsTargetMatch("https://sub.example.com/page")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !match {
+		t.Error("expected match for .example.com against sub.example.com")
+	}
+}
+
+func TestCookie_IsTargetMatch_DotPrefix_NoFalsePositive(t *testing.T) {
+	c := Cookie{Host: ".example.com", Path: "/"}
+	match, err := c.IsTargetMatch("https://notexample.com/page")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if match {
+		t.Error("did not expect .example.com to match notexample.com")
+	}
+}
+
+func TestCookie_IsTargetMatch_PathExact(t *testing.T) {
+	c := Cookie{Host: "example.com", Path: "/foo"}
+	match, err := c.IsTargetMatch("https://example.com/foo")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !match {
+		t.Error("expected match for exact path /foo")
+	}
+}
+
+func TestCookie_IsTargetMatch_PathPrefix(t *testing.T) {
+	c := Cookie{Host: "example.com", Path: "/foo"}
+	match, err := c.IsTargetMatch("https://example.com/foo/bar")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !match {
+		t.Error("expected match for /foo prefix with /foo/bar")
+	}
+}
+
+func TestCookie_IsTargetMatch_PathBoundary(t *testing.T) {
+	c := Cookie{Host: "example.com", Path: "/foo"}
+	match, err := c.IsTargetMatch("https://example.com/foosball")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if match {
+		t.Error("did not expect /foo to match /foosball")
+	}
+}
+
+func TestCookie_IsTargetMatch_EmptyPath(t *testing.T) {
+	c := Cookie{Host: "example.com", Path: ""}
+	match, err := c.IsTargetMatch("https://example.com/anything")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !match {
+		t.Error("expected empty path cookie to match any path")
+	}
+}
+
+func TestCookie_IsTargetMatch_NoMatch(t *testing.T) {
+	c := Cookie{Host: "other.com", Path: "/"}
+	match, err := c.IsTargetMatch("https://example.com/page")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if match {
+		t.Error("did not expect other.com to match example.com")
+	}
+}
+
+func TestCookie_IsTargetMatch_InvalidURL(t *testing.T) {
+	c := Cookie{Host: "example.com", Path: "/"}
+	_, err := c.IsTargetMatch("://invalid")
+	if err == nil {
+		t.Error("expected error for invalid URL")
+	}
+}
+
+func TestStaticCookieJar_GetAll(t *testing.T) {
+	jar := &staticCookieJar{
+		Cookie{Host: "a.com", Name: "a", Value: "1"},
+		Cookie{Host: "b.com", Name: "b", Value: "2"},
+	}
+
+	cookies, err := jar.GetAll()
+	if err != nil {
+		t.Fatalf("GetAll() error: %v", err)
+	}
+	if len(cookies) != 2 {
+		t.Errorf("GetAll() returned %d cookies, want 2", len(cookies))
+	}
+}
+
+func TestStaticCookieJar_Get(t *testing.T) {
+	jar := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+		Cookie{Host: "other.com", Path: "/", Name: "b", Value: "2"},
+	}
+
+	cookies, err := jar.Get("https://example.com/page")
+	if err != nil {
+		t.Fatalf("Get() error: %v", err)
+	}
+	if len(cookies) != 1 {
+		t.Fatalf("Get() returned %d cookies, want 1", len(cookies))
+	}
+	if cookies[0].Name != "a" {
+		t.Errorf("Get() cookie name = %q, want %q", cookies[0].Name, "a")
+	}
+}
+
+func TestStaticCookieJar_Set_New(t *testing.T) {
+	jar := &staticCookieJar{}
+	err := jar.Set(Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"})
+	if err != nil {
+		t.Fatalf("Set() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Fatalf("after Set, GetAll() returned %d cookies, want 1", len(cookies))
+	}
+	if cookies[0].Value != "1" {
+		t.Errorf("cookie value = %q, want %q", cookies[0].Value, "1")
+	}
+}
+
+func TestStaticCookieJar_Set_Update(t *testing.T) {
+	jar := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+	}
+	err := jar.Set(Cookie{Host: "example.com", Path: "/", Name: "a", Value: "2"})
+	if err != nil {
+		t.Fatalf("Set() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Fatalf("after update Set, GetAll() returned %d cookies, want 1", len(cookies))
+	}
+	if cookies[0].Value != "2" {
+		t.Errorf("cookie value = %q, want %q", cookies[0].Value, "2")
+	}
+}
+
+func TestStaticCookieJar_Delete(t *testing.T) {
+	jar := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+		Cookie{Host: "other.com", Path: "/", Name: "b", Value: "2"},
+	}
+	err := jar.Delete(Cookie{Host: "example.com", Path: "/", Name: "a"})
+	if err != nil {
+		t.Fatalf("Delete() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Fatalf("after Delete, GetAll() returned %d cookies, want 1", len(cookies))
+	}
+	if cookies[0].Name != "b" {
+		t.Errorf("remaining cookie name = %q, want %q", cookies[0].Name, "b")
+	}
+}
+
+func TestStaticCookieJar_Delete_NotFound(t *testing.T) {
+	jar := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+	}
+	err := jar.Delete(Cookie{Host: "nonexistent.com", Path: "/", Name: "x"})
+	if err != nil {
+		t.Fatalf("Delete() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Fatalf("after no-op Delete, GetAll() returned %d cookies, want 1", len(cookies))
+	}
+}
+
+func TestReadOnlyCookieJar_SetIsNoop(t *testing.T) {
+	inner := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+	}
+	ro := ReadOnlyCookieJar{Jar: inner}
+
+	err := ro.Set(Cookie{Host: "example.com", Path: "/", Name: "new", Value: "val"})
+	if err != nil {
+		t.Fatalf("Set() error: %v", err)
+	}
+
+	cookies, _ := inner.GetAll()
+	if len(cookies) != 1 {
+		t.Errorf("ReadOnlyCookieJar.Set should be noop, but inner jar has %d cookies", len(cookies))
+	}
+}
+
+func TestReadOnlyCookieJar_DeleteIsNoop(t *testing.T) {
+	inner := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+	}
+	ro := ReadOnlyCookieJar{Jar: inner}
+
+	err := ro.Delete(Cookie{Host: "example.com", Path: "/", Name: "a"})
+	if err != nil {
+		t.Fatalf("Delete() error: %v", err)
+	}
+
+	cookies, _ := inner.GetAll()
+	if len(cookies) != 1 {
+		t.Errorf("ReadOnlyCookieJar.Delete should be noop, but inner jar has %d cookies", len(cookies))
+	}
+}
+
+func TestReadOnlyCookieJar_GetAll(t *testing.T) {
+	inner := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+	}
+	ro := ReadOnlyCookieJar{Jar: inner}
+
+	cookies, err := ro.GetAll()
+	if err != nil {
+		t.Fatalf("GetAll() error: %v", err)
+	}
+	if len(cookies) != 1 {
+		t.Errorf("ReadOnlyCookieJar.GetAll() returned %d cookies, want 1", len(cookies))
+	}
+}
+
+func TestReadOnlyCookieJar_Get(t *testing.T) {
+	inner := &staticCookieJar{
+		Cookie{Host: "example.com", Path: "/", Name: "a", Value: "1"},
+	}
+	ro := ReadOnlyCookieJar{Jar: inner}
+
+	cookies, err := ro.Get("https://example.com/page")
+	if err != nil {
+		t.Fatalf("Get() error: %v", err)
+	}
+	if len(cookies) != 1 {
+		t.Errorf("ReadOnlyCookieJar.Get() returned %d cookies, want 1", len(cookies))
+	}
+}

cookies_txt_test.go

@@ -0,0 +1,189 @@
+package extractor
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+)
+
+func writeTempCookieFile(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "cookies.txt")
+	if err := os.WriteFile(path, []byte(content), 0644); err != nil {
+		t.Fatalf("failed to write temp cookie file: %v", err)
+	}
+	return path
+}
+
+func TestLoadCookiesFile_Valid(t *testing.T) {
+	content := ".example.com\tTRUE\t/\tFALSE\t1700000000\tsession\tabc123\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Fatalf("expected 1 cookie, got %d", len(cookies))
+	}
+
+	c := cookies[0]
+	if c.Host != ".example.com" {
+		t.Errorf("Host = %q, want %q", c.Host, ".example.com")
+	}
+	if !c.HttpOnly {
+		t.Error("HttpOnly = false, want true")
+	}
+	if c.Path != "/" {
+		t.Errorf("Path = %q, want %q", c.Path, "/")
+	}
+	if c.Secure {
+		t.Error("Secure = true, want false")
+	}
+	if c.Name != "session" {
+		t.Errorf("Name = %q, want %q", c.Name, "session")
+	}
+	if c.Value != "abc123" {
+		t.Errorf("Value = %q, want %q", c.Value, "abc123")
+	}
+	if c.Expires.Unix() != 1700000000 {
+		t.Errorf("Expires = %d, want 1700000000", c.Expires.Unix())
+	}
+}
+
+func TestLoadCookiesFile_Comments(t *testing.T) {
+	content := "# This is a comment\n.example.com\tTRUE\t/\tFALSE\t1700000000\tsession\tabc123\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Errorf("expected 1 cookie (comment skipped), got %d", len(cookies))
+	}
+}
+
+func TestLoadCookiesFile_EmptyLines(t *testing.T) {
+	content := "\n\n.example.com\tTRUE\t/\tFALSE\t1700000000\tsession\tabc123\n\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Errorf("expected 1 cookie (empty lines skipped), got %d", len(cookies))
+	}
+}
+
+func TestLoadCookiesFile_ShortLines(t *testing.T) {
+	content := "too\tfew\tfields\n.example.com\tTRUE\t/\tFALSE\t1700000000\tsession\tabc123\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Errorf("expected 1 cookie (short line skipped), got %d", len(cookies))
+	}
+}
+
+func TestLoadCookiesFile_InvalidExpiry(t *testing.T) {
+	content := ".example.com\tTRUE\t/\tFALSE\tnotanumber\tsession\tabc123\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 1 {
+		t.Fatalf("expected 1 cookie, got %d", len(cookies))
+	}
+
+	// Should have a default expiry ~180 days from now
+	now := time.Now()
+	expected := now.Add(180 * 24 * time.Hour)
+	diff := cookies[0].Expires.Sub(expected)
+	if diff < -time.Minute || diff > time.Minute {
+		t.Errorf("invalid expiry default: got %v, expected ~%v", cookies[0].Expires, expected)
+	}
+}
+
+func TestLoadCookiesFile_HttpOnly(t *testing.T) {
+	content := ".example.com\tTRUE\t/\tFALSE\t1700000000\ta\t1\n.other.com\tFALSE\t/\tFALSE\t1700000000\tb\t2\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 2 {
+		t.Fatalf("expected 2 cookies, got %d", len(cookies))
+	}
+
+	if !cookies[0].HttpOnly {
+		t.Error("first cookie HttpOnly = false, want true")
+	}
+	if cookies[1].HttpOnly {
+		t.Error("second cookie HttpOnly = true, want false")
+	}
+}
+
+func TestLoadCookiesFile_Secure(t *testing.T) {
+	content := ".example.com\tFALSE\t/\tTRUE\t1700000000\ta\t1\n.other.com\tFALSE\t/\tFALSE\t1700000000\tb\t2\n"
+	path := writeTempCookieFile(t, content)
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 2 {
+		t.Fatalf("expected 2 cookies, got %d", len(cookies))
+	}
+
+	if !cookies[0].Secure {
+		t.Error("first cookie Secure = false, want true")
+	}
+	if cookies[1].Secure {
+		t.Error("second cookie Secure = true, want false")
+	}
+}
+
+func TestLoadCookiesFile_NonexistentFile(t *testing.T) {
+	_, err := LoadCookiesFile("/nonexistent/path/cookies.txt")
+	if err == nil {
+		t.Error("expected error for nonexistent file")
+	}
+}
+
+func TestLoadCookiesFile_Empty(t *testing.T) {
+	path := writeTempCookieFile(t, "")
+
+	jar, err := LoadCookiesFile(path)
+	if err != nil {
+		t.Fatalf("LoadCookiesFile() error: %v", err)
+	}
+
+	cookies, _ := jar.GetAll()
+	if len(cookies) != 0 {
+		t.Errorf("expected 0 cookies from empty file, got %d", len(cookies))
+	}
+}

document.go

@@ -25,30 +25,21 @@ type document struct {
 	pw      *playwright.Playwright
 	browser playwright.Browser
 	page    playwright.Page
-	root    playwright.ElementHandle
-	locator playwright.Locator
 }
 
 func newDocument(pw *playwright.Playwright, browser playwright.Browser, page playwright.Page) (Document, error) {
-	root, err := page.QuerySelector("html")
+	locator := page.Locator("html")
-
-	if err != nil {
-		return nil, err
-	}
-
-	root2 := page.Locator("html")
 
 	res := &document{
 		node: node{
-			locator: root2,
+			locator: locator,
 		},
 		pw:      pw,
 		browser: browser,
 		page:    page,
-		root:    root,
 	}
 
-	slog.Info("new document", "url", page.URL(), "root", root, "locator", root2)
+	slog.Info("new document", "url", page.URL(), "locator", locator)
 
 	return res, nil
 }
@@ -78,21 +69,14 @@ func (d *document) Refresh() error {
 }
 
 func (d *document) WaitForNetworkIdle(timeout *time.Duration) error {
-
-	var f *float64 = nil
 	if timeout == nil {
 		t := 30 * time.Second
 		timeout = &t
 	}
 
-	if timeout != nil {
 	ms := float64(timeout.Milliseconds())
-		f = &ms
+	return d.page.WaitForLoadState(playwright.PageWaitForLoadStateOptions{
-	}
-
-	err := d.page.WaitForLoadState(playwright.PageWaitForLoadStateOptions{
 		State:   playwright.LoadStateNetworkidle,
-		Timeout: f,
+		Timeout: &ms,
 	})
-	return err
 }

go.mod

@@ -1,12 +1,14 @@
 module gitea.stevedudenhoeffer.com/steve/go-extractor
 
-go 1.23.2
+go 1.24.0
+
+toolchain go1.24.1
 
 require (
 	github.com/go-shiori/go-readability v0.0.0-20250217085726-9f5bf5ca7612
-	github.com/playwright-community/playwright-go v0.5001.0
+	github.com/playwright-community/playwright-go v0.5200.0
 	github.com/urfave/cli/v3 v3.0.0-beta1
-	golang.org/x/text v0.23.0
+	golang.org/x/text v0.29.0
 )
 
 require (
@@ -17,5 +19,5 @@ require (
 	github.com/go-shiori/dom v0.0.0-20230515143342-73569d674e1c // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f // indirect
-	golang.org/x/net v0.37.0 // indirect
+	golang.org/x/net v0.44.0 // indirect
 )

go.sum

@@ -0,0 +1,110 @@
+github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM=
+github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA=
+github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de h1:FxWPpzIjnTlhPwqqXc4/vE0f7GvRjuAsbW+HOIe8KnA=
+github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de/go.mod h1:DCaWoUhZrYW9p1lxo/cm8EmUOOzAPSEZNGF2DK1dJgw=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/deckarep/golang-set/v2 v2.8.0 h1:swm0rlPCmdWn9mESxKOjWk8hXSqoxOp+ZlfuyaAdFlQ=
+github.com/deckarep/golang-set/v2 v2.8.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
+github.com/go-jose/go-jose/v3 v3.0.4 h1:Wp5HA7bLQcKnf6YYao/4kpRpVMp/yf6+pJKV8WFSaNY=
+github.com/go-jose/go-jose/v3 v3.0.4/go.mod h1:5b+7YgP7ZICgJDBdfjZaIt+H/9L9T/YQrVfLAMboGkQ=
+github.com/go-shiori/dom v0.0.0-20230515143342-73569d674e1c h1:wpkoddUomPfHiOziHZixGO5ZBS73cKqVzZipfrLmO1w=
+github.com/go-shiori/dom v0.0.0-20230515143342-73569d674e1c/go.mod h1:oVDCh3qjJMLVUSILBRwrm+Bc6RNXGZYtoh9xdvf1ffM=
+github.com/go-shiori/go-readability v0.0.0-20250217085726-9f5bf5ca7612 h1:BYLNYdZaepitbZreRIa9xeCQZocWmy/wj4cGIH0qyw0=
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+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
+golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
+golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
+golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
+golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

interactive.go

@@ -0,0 +1,222 @@
+package extractor
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/playwright-community/playwright-go"
+)
+
+// InteractiveBrowser provides low-level page control for interactive browser sessions.
+// Unlike Browser which is designed for scraping, InteractiveBrowser exposes mouse, keyboard,
+// screenshot, and navigation APIs suitable for remote browser control.
+type InteractiveBrowser interface {
+	// Navigate goes to the given URL and returns the final URL after any redirects.
+	Navigate(url string) (string, error)
+	// GoBack navigates back in history. Returns the final URL.
+	GoBack() (string, error)
+	// GoForward navigates forward in history. Returns the final URL.
+	GoForward() (string, error)
+	// URL returns the current page URL.
+	URL() string
+
+	// MouseClick clicks at the given coordinates with the specified button ("left", "middle", "right").
+	MouseClick(x, y float64, button string) error
+	// MouseMove moves the mouse to the given coordinates.
+	MouseMove(x, y float64) error
+	// MouseWheel scrolls by the given delta.
+	MouseWheel(deltaX, deltaY float64) error
+
+	// KeyboardType types the given text as if it were entered character by character.
+	KeyboardType(text string) error
+	// KeyboardPress presses a special key (e.g. "Enter", "Tab", "Backspace").
+	KeyboardPress(key string) error
+	// KeyboardInsertText inserts text directly into the focused element by dispatching
+	// only an input event (no keydown, keypress, or keyup). This is more reliable than
+	// KeyboardType for pasting into password fields and custom input components.
+	KeyboardInsertText(text string) error
+
+	// Screenshot takes a full-page screenshot as JPEG with the given quality (0-100).
+	Screenshot(quality int) ([]byte, error)
+
+	// Cookies returns all cookies from the browser context.
+	Cookies() ([]Cookie, error)
+
+	// Close tears down the browser.
+	Close() error
+}
+
+type interactiveBrowser struct {
+	pw      *playwright.Playwright
+	browser playwright.Browser
+	ctx     playwright.BrowserContext
+	page    playwright.Page
+}
+
+// NewInteractiveBrowser creates a headless browser with a page ready for interactive control.
+// The context is only used for cancellation during setup.
+func NewInteractiveBrowser(ctx context.Context, opts ...BrowserOptions) (InteractiveBrowser, error) {
+	var thirtySeconds = 30 * time.Second
+	opt := mergeOptions(BrowserOptions{
+		UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0",
+		Browser:   BrowserChromium,
+		Timeout:   &thirtySeconds,
+		Dimensions: Size{
+			Width:  1280,
+			Height: 720,
+		},
+	}, opts)
+
+	if err := ctx.Err(); err != nil {
+		return nil, err
+	}
+
+	type result struct {
+		ib  InteractiveBrowser
+		err error
+	}
+
+	ch := make(chan result, 1)
+
+	go func() {
+		res, err := initBrowser(opt)
+		if err != nil {
+			ch <- result{nil, err}
+			return
+		}
+
+		page, err := res.bctx.NewPage()
+		if err != nil {
+			ch <- result{nil, fmt.Errorf("failed to create page: %w", err)}
+			return
+		}
+
+		ch <- result{
+			ib: &interactiveBrowser{
+				pw:      res.pw,
+				browser: res.browser,
+				ctx:     res.bctx,
+				page:    page,
+			},
+		}
+	}()
+
+	select {
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	case r := <-ch:
+		return r.ib, r.err
+	}
+}
+
+func (ib *interactiveBrowser) Navigate(url string) (string, error) {
+	_, err := ib.page.Goto(url, playwright.PageGotoOptions{
+		WaitUntil: playwright.WaitUntilStateLoad,
+	})
+	if err != nil {
+		return "", fmt.Errorf("navigation failed: %w", err)
+	}
+	return ib.page.URL(), nil
+}
+
+func (ib *interactiveBrowser) GoBack() (string, error) {
+	_, err := ib.page.GoBack()
+	if err != nil {
+		return ib.page.URL(), fmt.Errorf("go back failed: %w", err)
+	}
+	return ib.page.URL(), nil
+}
+
+func (ib *interactiveBrowser) GoForward() (string, error) {
+	_, err := ib.page.GoForward()
+	if err != nil {
+		return ib.page.URL(), fmt.Errorf("go forward failed: %w", err)
+	}
+	return ib.page.URL(), nil
+}
+
+func (ib *interactiveBrowser) URL() string {
+	return ib.page.URL()
+}
+
+func (ib *interactiveBrowser) MouseClick(x, y float64, button string) error {
+	var btn *playwright.MouseButton
+	switch button {
+	case "right":
+		btn = playwright.MouseButtonRight
+	case "middle":
+		btn = playwright.MouseButtonMiddle
+	default:
+		btn = playwright.MouseButtonLeft
+	}
+	return ib.page.Mouse().Click(x, y, playwright.MouseClickOptions{Button: btn})
+}
+
+func (ib *interactiveBrowser) MouseMove(x, y float64) error {
+	return ib.page.Mouse().Move(x, y)
+}
+
+func (ib *interactiveBrowser) MouseWheel(deltaX, deltaY float64) error {
+	return ib.page.Mouse().Wheel(deltaX, deltaY)
+}
+
+func (ib *interactiveBrowser) KeyboardType(text string) error {
+	return ib.page.Keyboard().Type(text)
+}
+
+func (ib *interactiveBrowser) KeyboardPress(key string) error {
+	return ib.page.Keyboard().Press(key)
+}
+
+func (ib *interactiveBrowser) KeyboardInsertText(text string) error {
+	return ib.page.Keyboard().InsertText(text)
+}
+
+func (ib *interactiveBrowser) Screenshot(quality int) ([]byte, error) {
+	return ib.page.Screenshot(playwright.PageScreenshotOptions{
+		Type:    playwright.ScreenshotTypeJpeg,
+		Quality: playwright.Int(quality),
+	})
+}
+
+func (ib *interactiveBrowser) Cookies() ([]Cookie, error) {
+	pwCookies, err := ib.ctx.Cookies()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get cookies: %w", err)
+	}
+
+	cookies := make([]Cookie, len(pwCookies))
+	for i, c := range pwCookies {
+		cookies[i] = playwrightCookieToCookie(c)
+	}
+	return cookies, nil
+}
+
+func (ib *interactiveBrowser) Close() error {
+	var errs []error
+	if ib.page != nil {
+		if err := ib.page.Close(); err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if ib.ctx != nil {
+		if err := ib.ctx.Close(); err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if ib.browser != nil {
+		if err := ib.browser.Close(); err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if ib.pw != nil {
+		if err := ib.pw.Stop(); err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if len(errs) > 0 {
+		return fmt.Errorf("errors during close: %v", errs)
+	}
+	return nil
+}

mock_test.go

@@ -0,0 +1,16 @@
+package extractor
+
+import "time"
+
+// mockDocument implements the Document interface for testing without Playwright.
+type mockDocument struct {
+	mockNode
+	url     string
+	content string
+}
+
+func (m mockDocument) URL() string              { return m.url }
+func (m mockDocument) Refresh() error           { return nil }
+func (m mockDocument) Content() (string, error)  { return m.content, nil }
+func (m mockDocument) Close() error             { return nil }
+func (m mockDocument) WaitForNetworkIdle(_ *time.Duration) error { return nil }

node_test.go

@@ -0,0 +1,23 @@
+package extractor
+
+import "testing"
+
+func TestEscapeJavaScript(t *testing.T) {
+	tests := []struct {
+		input string
+		want  string
+	}{
+		{"hello", "hello"},
+		{"it's", "it\\'s"},
+		{`back\slash`, `back\\slash`},
+		{`both\'`, `both\\\'`},
+		{"", ""},
+	}
+
+	for _, tt := range tests {
+		got := escapeJavaScript(tt.input)
+		if got != tt.want {
+			t.Errorf("escapeJavaScript(%q) = %q, want %q", tt.input, got, tt.want)
+		}
+	}
+}

nodes.go

@@ -13,6 +13,9 @@ func (n Nodes) Select(selector string) Nodes {
 }
 
 func (d Nodes) First() Node {
+	if len(d) == 0 {
+		return nil
+	}
 	return d[0]
 }
 

nodes_test.go

@@ -0,0 +1,111 @@
+package extractor
+
+import (
+	"fmt"
+	"testing"
+)
+
+// mockNode implements the Node interface for testing.
+type mockNode struct {
+	text     string
+	textErr  error
+	content  string
+	children Nodes
+}
+
+func (m mockNode) Content() (string, error)            { return m.content, nil }
+func (m mockNode) Text() (string, error)               { return m.text, m.textErr }
+func (m mockNode) Attr(_ string) (string, error)       { return "", nil }
+func (m mockNode) Screenshot() ([]byte, error)         { return nil, nil }
+func (m mockNode) Type(_ string) error                 { return nil }
+func (m mockNode) Click() error                        { return nil }
+func (m mockNode) Select(_ string) Nodes               { return m.children }
+func (m mockNode) SelectFirst(_ string) Node           { return m.children.First() }
+func (m mockNode) ForEach(_ string, _ func(Node) error) error { return nil }
+func (m mockNode) SetHidden(_ bool) error              { return nil }
+func (m mockNode) SetAttribute(_, _ string) error      { return nil }
+
+func TestNodes_First_Empty(t *testing.T) {
+	var nodes Nodes
+	got := nodes.First()
+	if got != nil {
+		t.Errorf("First() on empty Nodes = %v, want nil", got)
+	}
+}
+
+func TestNodes_First_NonEmpty(t *testing.T) {
+	n1 := mockNode{text: "first"}
+	n2 := mockNode{text: "second"}
+	nodes := Nodes{n1, n2}
+
+	got := nodes.First()
+	if got == nil {
+		t.Fatal("First() on non-empty Nodes returned nil")
+	}
+
+	text, _ := got.Text()
+	if text != "first" {
+		t.Errorf("First().Text() = %q, want %q", text, "first")
+	}
+}
+
+func TestNodes_Select(t *testing.T) {
+	child1 := mockNode{text: "child1"}
+	child2 := mockNode{text: "child2"}
+	child3 := mockNode{text: "child3"}
+
+	n1 := mockNode{children: Nodes{child1, child2}}
+	n2 := mockNode{children: Nodes{child3}}
+
+	nodes := Nodes{n1, n2}
+	result := nodes.Select("anything")
+
+	if len(result) != 3 {
+		t.Errorf("Select() returned %d nodes, want 3", len(result))
+	}
+}
+
+func TestNodes_Select_Empty(t *testing.T) {
+	var nodes Nodes
+	result := nodes.Select("anything")
+	if len(result) != 0 {
+		t.Errorf("Select() on empty Nodes returned %d nodes, want 0", len(result))
+	}
+}
+
+func TestNodes_ExtractText(t *testing.T) {
+	n1 := mockNode{text: "hello"}
+	n2 := mockNode{text: "world"}
+	nodes := Nodes{n1, n2}
+
+	texts, err := nodes.ExtractText()
+	if err != nil {
+		t.Fatalf("ExtractText() error = %v", err)
+	}
+
+	if len(texts) != 2 || texts[0] != "hello" || texts[1] != "world" {
+		t.Errorf("ExtractText() = %v, want [hello world]", texts)
+	}
+}
+
+func TestNodes_ExtractText_Error(t *testing.T) {
+	n1 := mockNode{text: "hello"}
+	n2 := mockNode{textErr: fmt.Errorf("text error")}
+	nodes := Nodes{n1, n2}
+
+	_, err := nodes.ExtractText()
+	if err == nil {
+		t.Fatal("ExtractText() expected error, got nil")
+	}
+}
+
+func TestNodes_ExtractText_Empty(t *testing.T) {
+	var nodes Nodes
+	texts, err := nodes.ExtractText()
+	if err != nil {
+		t.Fatalf("ExtractText() error = %v", err)
+	}
+	if len(texts) != 0 {
+		t.Errorf("ExtractText() on empty = %v, want empty", texts)
+	}
+}

playwright.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io"
 	"log/slog"
 	"time"
 
@@ -18,11 +17,12 @@ type playWrightBrowser struct {
 	userAgent  string
 	timeout    time.Duration
 	cookieJar  CookieJar
+	serverAddr string
 }
 
 var _ Browser = playWrightBrowser{}
 
-type PlayWrightBrowserSelection string
+type BrowserSelection string
 
 var (
 	ErrInvalidBrowserSelection = errors.New("invalid browser selection")
@@ -31,18 +31,18 @@ var (
 )
 
 const (
-	PlayWrightBrowserSelectionChromium PlayWrightBrowserSelection = "chromium"
+	BrowserChromium BrowserSelection = "chromium"
-	PlayWrightBrowserSelectionFirefox  PlayWrightBrowserSelection = "firefox"
+	BrowserFirefox  BrowserSelection = "firefox"
-	PlayWrightBrowserSelectionWebKit   PlayWrightBrowserSelection = "webkit"
+	BrowserWebKit   BrowserSelection = "webkit"
 )
 
 type Size struct {
 	Width  int
 	Height int
 }
-type PlayWrightBrowserOptions struct {
+type BrowserOptions struct {
 	UserAgent string                     // If empty, defaults to "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0"
-	Browser   PlayWrightBrowserSelection // If unset defaults to Firefox.
+	Browser   BrowserSelection // If unset defaults to Firefox.
 	Timeout   *time.Duration             // If unset defaults to 30 seconds timeout.  If set to 0, no timeout
 
 	// CookieJar will, if set, load all cookies from the cookie jar into the browser and save all cookies from the
@@ -53,6 +53,17 @@ type PlayWrightBrowserOptions struct {
 
 	Dimensions Size
 	DarkMode   bool
+
+	// ServerAddress is the address of a Playwright server to connect to.
+	// Defaults to the value of the environment variable PLAYWRIGHT_SERVER_ADDRESS.
+	ServerAddress string
+
+	// RequireServer will, if set, return an error if the connection to the
+	// Playwright server fails instead of falling back to a local browser launch.
+	RequireServer bool
+
+	// UseLocalOnly will, if set, not connect to the Playwright server, and instead launch a local browser.
+	UseLocalOnly bool
 }
 
 func cookieToPlaywrightOptionalCookie(cookie Cookie) playwright.OptionalCookie {
@@ -77,129 +88,51 @@ func playwrightCookieToCookie(cookie playwright.Cookie) Cookie {
 	}
 }
 
-func NewPlayWrightBrowser(opts ...PlayWrightBrowserOptions) (Browser, error) {
+func NewBrowser(ctx context.Context, opts ...BrowserOptions) (Browser, error) {
 	var thirtySeconds = 30 * time.Second
-	opt := PlayWrightBrowserOptions{
+	opt := mergeOptions(BrowserOptions{
-		UserAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0",
+		UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0",
-		Browser:   PlayWrightBrowserSelectionFirefox,
+		Browser:   BrowserFirefox,
 		Timeout:   &thirtySeconds,
-		DarkMode:  false,
+	}, opts)
-	}
 
-	for _, o := range opts {
+	if err := ctx.Err(); err != nil {
-		if o.UserAgent != "" {
-			opt.UserAgent = o.UserAgent
-		}
-		if o.Browser != "" {
-			opt.Browser = o.Browser
-		}
-		if o.Timeout != nil {
-			opt.Timeout = o.Timeout
-		}
-		if o.CookieJar != nil {
-			opt.CookieJar = o.CookieJar
-		}
-		if o.Dimensions.Width > 0 && o.Dimensions.Height > 0 {
-			opt.Dimensions = o.Dimensions
-		}
-		if o.DarkMode {
-			opt.DarkMode = true
-		}
-
-		opt.ShowBrowser = o.ShowBrowser
-	}
-
-	pw, err := playwright.Run()
-
-	if err != nil {
-		err = playwright.Install()
-
-		if err != nil {
 		return nil, err
 	}
 
-		pw, err = playwright.Run()
+	type browserResult struct {
+		browser Browser
+		err     error
+	}
 
+	resultCh := make(chan browserResult, 1)
+
+	go func() {
+		res, err := initBrowser(opt)
 		if err != nil {
-			return nil, err
+			resultCh <- browserResult{nil, err}
-		}
+			return
 		}
 
-	var bt playwright.BrowserType
+		resultCh <- browserResult{
-
+			browser: playWrightBrowser{
-	switch opt.Browser {
+				pw:         res.pw,
-	case PlayWrightBrowserSelectionChromium:
+				browser:    res.browser,
-		bt = pw.Chromium
+				userAgent:  res.opt.UserAgent,
-
+				timeout:    *res.opt.Timeout,
-	case PlayWrightBrowserSelectionFirefox:
+				cookieJar:  res.opt.CookieJar,
-		bt = pw.Firefox
+				ctx:        res.bctx,
-
+				serverAddr: res.opt.ServerAddress,
-	case PlayWrightBrowserSelectionWebKit:
+			},
-		bt = pw.WebKit
-
-	default:
-		return nil, ErrInvalidBrowserSelection
 		}
+	}()
 
-	browser, err := bt.Launch(playwright.BrowserTypeLaunchOptions{
+	select {
-		Headless: playwright.Bool(!opt.ShowBrowser),
+	case <-ctx.Done():
-	})
+		return nil, ctx.Err()
-	if err != nil {
+	case result := <-resultCh:
-		return nil, err
+		return result.browser, result.err
 	}
-
-	var viewport *playwright.Size
-	if opt.Dimensions.Width > 0 && opt.Dimensions.Height > 0 {
-		viewport = &playwright.Size{
-			Width:  opt.Dimensions.Width,
-			Height: opt.Dimensions.Height,
-		}
-	}
-
-	var scheme *playwright.ColorScheme
-
-	if opt.DarkMode {
-		scheme = playwright.ColorSchemeDark
-	} else {
-		scheme = playwright.ColorSchemeNoPreference
-	}
-
-	c, err := browser.NewContext(playwright.BrowserNewContextOptions{
-		UserAgent:   playwright.String(opt.UserAgent),
-		Viewport:    viewport,
-		ColorScheme: scheme,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	if opt.CookieJar != nil {
-		cookies, err := opt.CookieJar.GetAll()
-		if err != nil {
-			return nil, fmt.Errorf("error getting cookies from cookie jar: %w", err)
-		}
-
-		pwCookies := make([]playwright.OptionalCookie, len(cookies))
-
-		for i, cookie := range cookies {
-			pwCookies[i] = cookieToPlaywrightOptionalCookie(cookie)
-		}
-
-		err = c.AddCookies(pwCookies)
-
-		if err != nil {
-			return nil, fmt.Errorf("error adding cookies to browser: %w", err)
-		}
-	}
-
-	return playWrightBrowser{
-		pw:        pw,
-		browser:   browser,
-		userAgent: opt.UserAgent,
-		timeout:   *opt.Timeout,
-		cookieJar: opt.CookieJar,
-		ctx:       c,
-	}, nil
 }
 
 func (b playWrightBrowser) updateCookies(_ context.Context, page playwright.Page) error {
@@ -245,10 +178,7 @@ func (b playWrightBrowser) openPage(_ context.Context, target string, opts OpenP
 
 	slog.Info("opened document", "url", target, "status", resp.Status(), "request", resp.Request())
 
-	if resp.Status() != 200 {
+	if resp.Status() < 200 || resp.Status() >= 300 {
-		time.Sleep(999 * time.Hour * 24)
-		time.Sleep(25 * time.Second)
-
 		_ = page.Close()
 
 		if resp.Status() == 404 {
@@ -284,12 +214,9 @@ func (b playWrightBrowser) Close() error {
 	)
 }
 
-func deferClose(cl io.Closer) {
-	_ = cl.Close()
-}
 
 func Screenshot(ctx context.Context, target string, timeout time.Duration) ([]byte, error) {
-	browser, err := NewPlayWrightBrowser(PlayWrightBrowserOptions{
+	browser, err := NewBrowser(ctx, BrowserOptions{
 		Timeout: &timeout,
 	})
 
@@ -297,14 +224,14 @@ func Screenshot(ctx context.Context, target string, timeout time.Duration) ([]by
 		return nil, fmt.Errorf("error creating browser: %w", err)
 	}
 
-	defer deferClose(browser)
+	defer DeferClose(browser)
 
 	doc, err := browser.Open(ctx, target, OpenPageOptions{})
 	if err != nil {
 		return nil, fmt.Errorf("error opening page: %w", err)
 	}
 
-	defer deferClose(doc)
+	defer DeferClose(doc)
 
 	return doc.Screenshot()
 }

readability_test.go

@@ -0,0 +1,72 @@
+package extractor
+
+import (
+	"context"
+	"testing"
+)
+
+func TestReadability_ValidHTML(t *testing.T) {
+	html := `<!DOCTYPE html>
+<html>
+<head><title>Test Article</title></head>
+<body>
+<article>
+<h1>Test Article</h1>
+<p>This is a test article with enough content to be parsed by readability.
+It needs to have a reasonable amount of text so the algorithm considers it
+a valid article. Let us add several sentences to make sure this works
+correctly. The readability library requires a minimum amount of content
+to successfully extract an article from a page.</p>
+<p>Here is another paragraph to add more content. We want to make sure
+that the content is substantial enough for the readability algorithm to
+consider this a valid article and extract the text properly.</p>
+</article>
+</body>
+</html>`
+
+	doc := mockDocument{
+		url:     "https://example.com/article",
+		content: html,
+	}
+
+	article, err := Readability(context.Background(), doc)
+	if err != nil {
+		t.Fatalf("Readability() error = %v", err)
+	}
+
+	if article.Title != "Test Article" {
+		t.Errorf("Title = %q, want %q", article.Title, "Test Article")
+	}
+
+	if article.TextContent == "" {
+		t.Error("TextContent should not be empty")
+	}
+}
+
+func TestReadability_EmptyContent(t *testing.T) {
+	doc := mockDocument{
+		url:     "https://example.com/empty",
+		content: "",
+	}
+
+	article, err := Readability(context.Background(), doc)
+	if err != nil {
+		t.Fatalf("Readability() unexpected error = %v", err)
+	}
+	// Empty content should produce an empty article.
+	if article.Title != "" && article.TextContent != "" {
+		t.Error("expected empty article from empty content")
+	}
+}
+
+func TestReadability_InvalidURL(t *testing.T) {
+	doc := mockDocument{
+		url:     "://invalid",
+		content: "<html><body><p>text</p></body></html>",
+	}
+
+	_, err := Readability(context.Background(), doc)
+	if err == nil {
+		t.Error("Readability() expected error for invalid URL, got nil")
+	}
+}

sites/aislegopher/aislegopher.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io"
 	"net/url"
 	"strconv"
 	"strings"
@@ -27,11 +26,6 @@ type Item struct {
 	Price float64
 }
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
 func GetItemFromURL(ctx context.Context, b extractor.Browser, u *url.URL) (Item, error) {
 	return DefaultConfig.GetItemFromURL(ctx, b, u)
 }
@@ -57,18 +51,18 @@ func (c Config) GetItemFromURL(ctx context.Context, b extractor.Browser, u *url.
 	res.ID, _ = strconv.Atoi(a[3])
 
 	doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 	if err != nil {
 		return res, fmt.Errorf("failed to open page: %w", err)
 	}
 
-	names := doc.Select("h2.h4")
+	names := doc.Select(".h4")
 
 	if len(names) > 0 {
 		res.Name, _ = names[0].Text()
 	}
 
-	prices := doc.Select("h4.h2")
+	prices := doc.Select(".h2")
 
 	if len(prices) > 0 {
 		priceStr, _ := prices[0].Text()

sites/aislegopher/aislegopher_test.go

@@ -0,0 +1,39 @@
+package aislegopher
+
+import (
+	"context"
+	"net/url"
+	"testing"
+)
+
+func TestGetItemFromURL_InvalidHost(t *testing.T) {
+	u, _ := url.Parse("https://example.com/p/slug/123")
+	_, err := GetItemFromURL(context.Background(), nil, u)
+	if err != ErrInvalidURL {
+		t.Errorf("expected ErrInvalidURL, got %v", err)
+	}
+}
+
+func TestGetItemFromURL_InvalidPath_NoP(t *testing.T) {
+	u, _ := url.Parse("https://aislegopher.com/x/slug/123")
+	_, err := GetItemFromURL(context.Background(), nil, u)
+	if err != ErrInvalidURL {
+		t.Errorf("expected ErrInvalidURL, got %v", err)
+	}
+}
+
+func TestGetItemFromURL_InvalidPath_TooShort(t *testing.T) {
+	u, _ := url.Parse("https://aislegopher.com/p/slug")
+	_, err := GetItemFromURL(context.Background(), nil, u)
+	if err != ErrInvalidURL {
+		t.Errorf("expected ErrInvalidURL, got %v", err)
+	}
+}
+
+func TestGetItemFromURL_InvalidPath_TooLong(t *testing.T) {
+	u, _ := url.Parse("https://aislegopher.com/p/slug/123/extra")
+	_, err := GetItemFromURL(context.Background(), nil, u)
+	if err != ErrInvalidURL {
+		t.Errorf("expected ErrInvalidURL, got %v", err)
+	}
+}

sites/aislegopher/cmd/aislegopher/aislegopher.go

@@ -3,10 +3,10 @@ package main
 import (
 	"context"
 	"fmt"
-	"io"
 	"net/url"
 	"os"
 
+	"gitea.stevedudenhoeffer.com/steve/go-extractor"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/aislegopher"
 	"github.com/urfave/cli/v3"
@@ -22,11 +22,6 @@ func (f AisleGopherFlags) ToConfig(_ *cli.Command) aislegopher.Config {
 	return res
 }
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
 func main() {
 	var flags []cli.Flag
 	flags = append(flags, browser.Flags...)
@@ -44,7 +39,7 @@ func main() {
 				return fmt.Errorf("failed to create browser: %w", err)
 			}
 
-			defer deferClose(b)
+			defer extractor.DeferClose(b)
 
 			arg := c.Args().First()
 
@@ -72,6 +67,7 @@ func main() {
 	err := cli.Run(context.Background(), os.Args)
 
 	if err != nil {
-		panic(err)
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
 	}
 }

sites/archive/archive.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io"
 	"log/slog"
 	"net/url"
 	"strings"
@@ -39,12 +38,6 @@ func (c Config) validate() Config {
 
 var DefaultConfig = Config{}
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 // IsArchived checks if a url is archived.  It returns the archived url if it is archived, or an empty string if it is not.
 func (c Config) IsArchived(ctx context.Context, b extractor.Browser, target string) (extractor.Document, error) {
 	c = c.validate()
@@ -130,10 +123,9 @@ func (c Config) Archive(ctx context.Context, b extractor.Browser, target string)
 
 	select {
 	case <-ctx.Done():
-		fmt.Println("context already done before entering the loop:", ctx.Err())
+		slog.Debug("context already done before entering the loop", "err", ctx.Err())
 		return nil, ctx.Err()
 	default:
-		fmt.Println("context not done yet")
 		// Proceed with the loop
 	}
 	// now we are waiting for archive.ph to archive the page and redirect us to the archived page
@@ -141,6 +133,9 @@ func (c Config) Archive(ctx context.Context, b extractor.Browser, target string)
 	// if the page path starts with /wip/ then we are still waiting
 	// also periodically refresh the page just in case
 
+	ticker := time.NewTicker(5 * time.Second)
+	defer ticker.Stop()
+
 	keepGoing := true
 	for keepGoing {
 		select {
@@ -148,14 +143,14 @@ func (c Config) Archive(ctx context.Context, b extractor.Browser, target string)
 			slog.Info("context done")
 			keepGoing = false
 
-		case <-time.NewTicker(5 * time.Second).C:
+		case <-ticker.C:
 			archivedUrl, err := url.Parse(doc.URL())
 
 			if err != nil {
 				continue
 			}
 
-			fmt.Println("checking url:", archivedUrl.String())
+			slog.Debug("checking url", "url", archivedUrl.String())
 			// if the url is not the same as the endpoint, or the path does not start with /wip/ or /submit then we are done
 			if archivedUrl.Hostname() != endpoint.Hostname() || (!strings.HasPrefix(archivedUrl.Path, "/wip/") && !strings.HasPrefix(archivedUrl.Path, "/submit")) {
 				keepGoing = false

sites/archive/archive_test.go

@@ -0,0 +1,37 @@
+package archive
+
+import (
+	"testing"
+	"time"
+)
+
+func TestConfig_Validate_Defaults(t *testing.T) {
+	c := Config{}
+	c = c.validate()
+
+	if c.Endpoint != "https://archive.ph" {
+		t.Errorf("Endpoint = %q, want %q", c.Endpoint, "https://archive.ph")
+	}
+	if c.Timeout == nil {
+		t.Fatal("Timeout should not be nil after validate")
+	}
+	if *c.Timeout != 1*time.Hour {
+		t.Errorf("Timeout = %v, want %v", *c.Timeout, 1*time.Hour)
+	}
+}
+
+func TestConfig_Validate_Preserves(t *testing.T) {
+	timeout := 5 * time.Minute
+	c := Config{
+		Endpoint: "https://archive.org",
+		Timeout:  &timeout,
+	}
+	c = c.validate()
+
+	if c.Endpoint != "https://archive.org" {
+		t.Errorf("Endpoint = %q, want %q", c.Endpoint, "https://archive.org")
+	}
+	if *c.Timeout != 5*time.Minute {
+		t.Errorf("Timeout = %v, want %v", *c.Timeout, 5*time.Minute)
+	}
+}

sites/archive/cmd/archive/main.go

@@ -28,7 +28,7 @@ var Flags = ArchiveFlags{
 	},
 }
 
-func (f ArchiveFlags) ToConfig(_ context.Context, cmd *cli.Command) archive.Config {
+func (f ArchiveFlags) ToConfig(_ context.Context, cmd *cli.Command) (archive.Config, error) {
 	c := archive.DefaultConfig
 
 	if e := cmd.String("endpoint"); e != "" {
@@ -38,12 +38,12 @@ func (f ArchiveFlags) ToConfig(_ context.Context, cmd *cli.Command) archive.Conf
 	if t := cmd.String("timeout"); t != "" {
 		d, err := time.ParseDuration(t)
 		if err != nil {
-			panic(err)
+			return c, fmt.Errorf("invalid timeout duration: %w", err)
 		}
 		c.Timeout = &d
 	}
 
-	return c
+	return c, nil
 }
 
 func main() {
@@ -122,7 +122,8 @@ func main() {
 	err := cli.Run(context.Background(), os.Args)
 
 	if err != nil {
-		panic(err)
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
 	}
 
 }

sites/duckduckgo/cmd/duckduckgo/main.go

@@ -3,12 +3,13 @@ package main
 import (
 	"context"
 	"fmt"
-	"github.com/urfave/cli/v3"
-	"io"
 	"os"
 	"strings"
 	"time"
 
+	"github.com/urfave/cli/v3"
+
+	"gitea.stevedudenhoeffer.com/steve/go-extractor"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/duckduckgo"
 )
@@ -26,7 +27,7 @@ var Flags = DuckDuckGoFlags{
 	},
 }
 
-func (f DuckDuckGoFlags) ToConfig(cmd *cli.Command) duckduckgo.Config {
+func (f DuckDuckGoFlags) ToConfig(cmd *cli.Command) (duckduckgo.Config, error) {
 	var res = duckduckgo.DefaultConfig
 
 	if r := cmd.String("region"); r != "" {
@@ -42,17 +43,11 @@ func (f DuckDuckGoFlags) ToConfig(cmd *cli.Command) duckduckgo.Config {
 		case "off":
 			res.SafeSearch = duckduckgo.SafeSearchOff
 		default:
-			panic("invalid safe search value")
+			return res, fmt.Errorf("invalid safe search value: %s", s)
 		}
 	}
 
-	return res
+	return res, nil
-}
-
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
 }
 
 func main() {
@@ -66,8 +61,10 @@ func main() {
 		Usage: "Search DuckDuckGo",
 		Flags: flags,
 		Action: func(ctx context.Context, command *cli.Command) error {
-			c := Flags.ToConfig(command)
+			c, err := Flags.ToConfig(command)
-			defer deferClose(nil)
+			if err != nil {
+				return err
+			}
 
 			query := strings.TrimSpace(strings.Join(command.Args().Slice(), " "))
 
@@ -76,7 +73,7 @@ func main() {
 			}
 
 			b, err := browser.FromCommand(ctx, command)
-			defer deferClose(b)
+			defer extractor.DeferClose(b)
 
 			if err != nil {
 				return fmt.Errorf("failed to create browser: %w", err)
@@ -87,7 +84,7 @@ func main() {
 				return fmt.Errorf("failed to open search: %w", err)
 			}
 
-			defer deferClose(search)
+			defer extractor.DeferClose(search)
 
 			res := search.GetResults()
 			fmt.Println("Results:", res)
@@ -105,9 +102,8 @@ func main() {
 		},
 	}
 
-	err := cli.Run(context.Background(), os.Args)
+	if err := cli.Run(context.Background(), os.Args); err != nil {
-
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
-	if err != nil {
+		os.Exit(1)
-		panic(err)
 	}
 }

sites/duckduckgo/duckduckgo.go

@@ -3,7 +3,6 @@ package duckduckgo
 import (
 	"context"
 	"fmt"
-	"io"
 	"log/slog"
 	"net/url"
 
@@ -71,12 +70,6 @@ type Result struct {
 	Description string
 }
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 func (c Config) OpenSearch(ctx context.Context, b extractor.Browser, query string) (SearchPage, error) {
 	u := c.ToSearchURL(query)
 
@@ -97,7 +90,7 @@ func (c Config) Search(ctx context.Context, b extractor.Browser, query string) (
 
 	slog.Info("searching", "url", u, "query", query, "config", c, "browser", b)
 	doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 
 	if err != nil {
 		return nil, fmt.Errorf("failed to open url: %w", err)

sites/duckduckgo/duckduckgo_test.go

@@ -0,0 +1,116 @@
+package duckduckgo
+
+import (
+	"testing"
+)
+
+func TestConfig_ToSearchURL_Default(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff}
+	u := c.ToSearchURL("test query")
+
+	if u.Host != "duckduckgo.com" {
+		t.Errorf("Host = %q, want %q", u.Host, "duckduckgo.com")
+	}
+
+	if u.Query().Get("q") != "test query" {
+		t.Errorf("q = %q, want %q", u.Query().Get("q"), "test query")
+	}
+
+	if u.Query().Get("kp") != "-2" {
+		t.Errorf("kp = %q, want %q", u.Query().Get("kp"), "-2")
+	}
+}
+
+func TestConfig_ToSearchURL_SafeSearchOn(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOn}
+	u := c.ToSearchURL("test")
+
+	if u.Query().Get("kp") != "1" {
+		t.Errorf("kp = %q, want %q", u.Query().Get("kp"), "1")
+	}
+}
+
+func TestConfig_ToSearchURL_SafeSearchModerate(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchModerate}
+	u := c.ToSearchURL("test")
+
+	if u.Query().Get("kp") != "-1" {
+		t.Errorf("kp = %q, want %q", u.Query().Get("kp"), "-1")
+	}
+}
+
+func TestConfig_ToSearchURL_SafeSearchOff(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff}
+	u := c.ToSearchURL("test")
+
+	if u.Query().Get("kp") != "-2" {
+		t.Errorf("kp = %q, want %q", u.Query().Get("kp"), "-2")
+	}
+}
+
+func TestConfig_ToSearchURL_WithRegion(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff, Region: "us-en"}
+	u := c.ToSearchURL("test")
+
+	if u.Query().Get("kl") != "us-en" {
+		t.Errorf("kl = %q, want %q", u.Query().Get("kl"), "us-en")
+	}
+}
+
+func TestConfig_ToSearchURL_WithQuery(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff}
+	u := c.ToSearchURL("golang testing")
+
+	if u.Query().Get("q") != "golang testing" {
+		t.Errorf("q = %q, want %q", u.Query().Get("q"), "golang testing")
+	}
+}
+
+func TestConfig_Validate_DefaultsSafeSearch(t *testing.T) {
+	c := Config{SafeSearch: 0}
+	c = c.validate()
+
+	if c.SafeSearch != SafeSearchOff {
+		t.Errorf("validate() SafeSearch = %d, want %d (SafeSearchOff)", c.SafeSearch, SafeSearchOff)
+	}
+}
+
+func TestConfig_ToSearchURL_NoRegion(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff}
+	u := c.ToSearchURL("test")
+
+	if u.Query().Get("kl") != "" {
+		t.Errorf("kl should be empty when no region, got %q", u.Query().Get("kl"))
+	}
+}
+
+func TestConfig_ToSearchURL_Scheme(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff}
+	u := c.ToSearchURL("test")
+
+	if u.Scheme != "https" {
+		t.Errorf("Scheme = %q, want %q", u.Scheme, "https")
+	}
+}
+
+func TestConfig_ToSearchURL_SpecialChars(t *testing.T) {
+	c := Config{SafeSearch: SafeSearchOff}
+	u := c.ToSearchURL("go lang & testing")
+
+	if u.Query().Get("q") != "go lang & testing" {
+		t.Errorf("q = %q, want %q", u.Query().Get("q"), "go lang & testing")
+	}
+}
+
+func TestResult_ZeroValue(t *testing.T) {
+	var r Result
+	if r.URL != "" || r.Title != "" || r.Description != "" {
+		t.Error("zero-value Result should have empty fields")
+	}
+}
+
+func TestDefaultConfig_SafeSearch(t *testing.T) {
+	if DefaultConfig.SafeSearch != SafeSearchOff {
+		t.Errorf("DefaultConfig.SafeSearch = %d, want %d", DefaultConfig.SafeSearch, SafeSearchOff)
+	}
+}

sites/google/cmd/google/main.go

@@ -3,12 +3,12 @@ package main
 import (
 	"context"
 	"fmt"
-	"io"
 	"os"
 	"strings"
 
 	"github.com/urfave/cli/v3"
 
+	"gitea.stevedudenhoeffer.com/steve/go-extractor"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/google"
 )
@@ -42,12 +42,6 @@ func (f GoogleFlags) ToConfig(_ context.Context, cmd *cli.Command) google.Config
 	return c
 }
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 func main() {
 	var flags []cli.Flag
 
@@ -67,7 +61,7 @@ func main() {
 
 			b, err := browser.FromCommand(ctx, cli)
 
-			defer deferClose(b)
+			defer extractor.DeferClose(b)
 
 			if err != nil {
 				return err
@@ -87,9 +81,8 @@ func main() {
 		},
 	}
 
-	err := cli.Run(context.Background(), os.Args)
+	if err := cli.Run(context.Background(), os.Args); err != nil {
-
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
-	if err != nil {
+		os.Exit(1)
-		panic(err)
 	}
 }

sites/google/google.go

@@ -3,7 +3,6 @@ package google
 import (
 	"context"
 	"fmt"
-	"io"
 	"net/url"
 
 	"gitea.stevedudenhoeffer.com/steve/go-extractor"
@@ -48,23 +47,20 @@ type Result struct {
 	Description string
 }
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 func (c Config) Search(ctx context.Context, b extractor.Browser, query string) ([]Result, error) {
 	c = c.validate()
 
-	u, err := url.Parse(fmt.Sprintf("https://%s/search?q=%s", c.BaseURL, query))
+	u, err := url.Parse(fmt.Sprintf("https://%s/search", c.BaseURL))
 
 	if err != nil {
 		return nil, fmt.Errorf("invalid url: %w", err)
 	}
 
+	vals := u.Query()
+	vals.Set("q", query)
+
 	if c.Language != "" {
-		u.Query().Set("hl", c.Language)
+		vals.Set("hl", c.Language)
 	}
 
 	if c.Country != "" {
@@ -84,17 +80,19 @@ func (c Config) Search(ctx context.Context, b extractor.Browser, query string) (
 		}
 
 		if country != "" {
-			u.Query().Set("cr", country)
+			vals.Set("cr", country)
 		}
 	}
 
+	u.RawQuery = vals.Encode()
+
 	doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
 
 	if err != nil {
 		return nil, fmt.Errorf("failed to open url: %w", err)
 	}
 
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 
 	var res []Result
 

sites/google/google_test.go

@@ -0,0 +1,39 @@
+package google
+
+import (
+	"testing"
+)
+
+func TestConfig_Validate_Defaults(t *testing.T) {
+	c := Config{}
+	c = c.validate()
+
+	if c.BaseURL != "google.com" {
+		t.Errorf("BaseURL = %q, want %q", c.BaseURL, "google.com")
+	}
+	if c.Language != "en" {
+		t.Errorf("Language = %q, want %q", c.Language, "en")
+	}
+	if c.Country != "us" {
+		t.Errorf("Country = %q, want %q", c.Country, "us")
+	}
+}
+
+func TestConfig_Validate_Preserves(t *testing.T) {
+	c := Config{
+		BaseURL:  "google.co.uk",
+		Language: "fr",
+		Country:  "uk",
+	}
+	c = c.validate()
+
+	if c.BaseURL != "google.co.uk" {
+		t.Errorf("BaseURL = %q, want %q", c.BaseURL, "google.co.uk")
+	}
+	if c.Language != "fr" {
+		t.Errorf("Language = %q, want %q", c.Language, "fr")
+	}
+	if c.Country != "uk" {
+		t.Errorf("Country = %q, want %q", c.Country, "uk")
+	}
+}

sites/megamillions/cmd/megamillions.go

@@ -51,10 +51,8 @@ func main() {
 		},
 	}
 
-	err := cli.Run(context.Background(), os.Args)
+	if err := cli.Run(context.Background(), os.Args); err != nil {
-
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
-	if err != nil {
+		os.Exit(1)
-		panic(err)
 	}
-
 }

sites/megamillions/megamillions.go

@@ -3,7 +3,6 @@ package megamillions
 import (
 	"context"
 	"fmt"
-	"io"
 	"strconv"
 	"strings"
 	"time"
@@ -33,12 +32,6 @@ type NextDrawing struct {
 	Jackpot currency.Amount
 }
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 func netTicksToTime(t int64) time.Time {
 	return time.Unix(0, t*100).Add(-621355968000000000)
 }
@@ -64,7 +57,6 @@ func getDrawing(_ context.Context, doc extractor.Document) (*Drawing, error) {
 		return nil, fmt.Errorf("failed to parse date: %w", err)
 	}
 
-	fmt.Println("ticks", ticks)
 	drawing.Date = netTicksToTime(ticks)
 
 	err = doc.ForEach("ul.numbers li.ball", func(n extractor.Node) error {
@@ -199,23 +191,12 @@ func getNextDrawing(_ context.Context, doc extractor.Document) (*NextDrawing, er
 
 	numeric := numericOnly(txt)
 
-	set := false
 	if strings.Contains(txt, "Billion") {
-		amt := currency.USD.Amount(numeric * 1000000000)
+		nextDrawing.Jackpot = currency.USD.Amount(numeric * 1000000000)
-		nextDrawing.Jackpot = amt
-		set = true
 	} else if strings.Contains(txt, "Million") {
-		amt := currency.USD.Amount(numeric * 1000000)
+		nextDrawing.Jackpot = currency.USD.Amount(numeric * 1000000)
-		nextDrawing.Jackpot = amt
-		set = true
 	} else {
-		amt := currency.USD.Amount(numeric)
+		nextDrawing.Jackpot = currency.USD.Amount(numeric)
-		nextDrawing.Jackpot = amt
-		set = true
-	}
-
-	if !set {
-		return nil, fmt.Errorf("failed to convert jackpot to currency: %w", err)
 	}
 
 	return &nextDrawing, nil
@@ -230,7 +211,7 @@ func (c Config) GetCurrent(ctx context.Context, b extractor.Browser) (*Drawing,
 		return nil, nil, err
 	}
 
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 
 	d, err := getDrawing(ctx, doc)
 

sites/megamillions/megamillions_test.go

@@ -0,0 +1,73 @@
+package megamillions
+
+import (
+	"testing"
+	"time"
+)
+
+func TestNetTicksToTime_Consistency(t *testing.T) {
+	// netTicksToTime converts .NET ticks to Go time.
+	// Verify it produces consistent results for the same input.
+	ticks := int64(638396256000000000)
+	t1 := netTicksToTime(ticks)
+	t2 := netTicksToTime(ticks)
+
+	if !t1.Equal(t2) {
+		t.Errorf("netTicksToTime is not consistent: %v != %v", t1, t2)
+	}
+}
+
+func TestNetTicksToTime_Ordering(t *testing.T) {
+	// A larger ticks value should produce a later time.
+	earlier := netTicksToTime(638396256000000000)
+	later := netTicksToTime(638396256100000000) // 10 seconds later in ticks
+
+	if !later.After(earlier) {
+		t.Errorf("expected later ticks to produce later time: %v vs %v", earlier, later)
+	}
+}
+
+func TestNetTicksToTime_DifferenceIsCorrect(t *testing.T) {
+	// .NET ticks are 100-nanosecond intervals.
+	// 10,000,000 ticks = 1 second.
+	ticks1 := int64(638396256000000000)
+	ticks2 := ticks1 + 10000000 // 1 second later
+
+	t1 := netTicksToTime(ticks1)
+	t2 := netTicksToTime(ticks2)
+
+	diff := t2.Sub(t1)
+	if diff != time.Second {
+		t.Errorf("expected 1 second difference, got %v", diff)
+	}
+}
+
+func TestNetTicksToTime_NotZero(t *testing.T) {
+	// Verify the function produces a non-zero time for typical ticks values.
+	ticks := int64(638396256000000000)
+	result := netTicksToTime(ticks)
+
+	if result.IsZero() {
+		t.Error("netTicksToTime should not return zero time for valid ticks")
+	}
+}
+
+func TestConfig_Validate(t *testing.T) {
+	c := Config{}
+	c = c.validate()
+	_ = c // validate is a no-op, just verify no panic
+}
+
+func TestDrawing_ZeroValue(t *testing.T) {
+	var d Drawing
+	if d.MegaBall != 0 || d.Megaplier != 0 {
+		t.Error("zero-value Drawing should have zero fields")
+	}
+}
+
+func TestNextDrawing_ZeroValue(t *testing.T) {
+	var nd NextDrawing
+	if nd.Date != "" {
+		t.Error("zero-value NextDrawing should have empty date")
+	}
+}

sites/powerball/cmd/powerball.go

@@ -51,10 +51,8 @@ func main() {
 		},
 	}
 
-	err := cli.Run(context.Background(), os.Args)
+	if err := cli.Run(context.Background(), os.Args); err != nil {
-
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
-	if err != nil {
+		os.Exit(1)
-		panic(err)
 	}
-
 }

sites/powerball/powerball.go

@@ -3,14 +3,11 @@ package powerball
 import (
 	"context"
 	"fmt"
-	"io"
 	"strconv"
 	"strings"
 	"time"
 
 	"gitea.stevedudenhoeffer.com/steve/go-extractor"
-
-	"golang.org/x/text/currency"
 )
 
 type Config struct {
@@ -31,18 +28,27 @@ type Drawing struct {
 
 type NextDrawing struct {
 	Date           string
-	Jackpot currency.Amount
+	JackpotDollars int
-}
-
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
 }
 
 func getDrawing(_ context.Context, doc extractor.Document) (*Drawing, error) {
 	var drawing Drawing
 
+	dateNode := doc.SelectFirst("#numbers .title-date")
+	if dateNode == nil {
+		return nil, fmt.Errorf("failed to find date element")
+	}
+
+	dateStr, err := dateNode.Text()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get date text: %w", err)
+	}
+
+	drawing.Date, err = time.Parse("Mon, Jan 2, 2006", dateStr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse date %q: %w", dateStr, err)
+	}
+
 	nums := doc.Select("div.game-ball-group div.white-balls")
 
 	if len(nums) != 5 {
@@ -163,23 +169,12 @@ func getNextDrawing(_ context.Context, doc extractor.Document) (*NextDrawing, er
 
 	numeric := numericOnly(txt)
 
-	set := false
 	if strings.Contains(txt, "Billion") {
-		amt := currency.USD.Amount(numeric * 1000000000)
+		nextDrawing.JackpotDollars = int(numeric * 1000000000)
-		nextDrawing.Jackpot = amt
-		set = true
 	} else if strings.Contains(txt, "Million") {
-		amt := currency.USD.Amount(numeric * 1000000)
+		nextDrawing.JackpotDollars = int(numeric * 1000000)
-		nextDrawing.Jackpot = amt
-		set = true
 	} else {
-		amt := currency.USD.Amount(numeric)
+		nextDrawing.JackpotDollars = int(numeric)
-		nextDrawing.Jackpot = amt
-		set = true
-	}
-
-	if !set {
-		return nil, fmt.Errorf("failed to convert jackpot to currency: %w", err)
 	}
 
 	return &nextDrawing, nil
@@ -194,7 +189,7 @@ func (c Config) GetCurrent(ctx context.Context, b extractor.Browser) (*Drawing,
 		return nil, nil, err
 	}
 
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 
 	d, err := getDrawing(ctx, doc)
 

sites/powerball/powerball_test.go

@@ -0,0 +1,34 @@
+package powerball
+
+import "testing"
+
+func TestConfig_Validate(t *testing.T) {
+	c := Config{}
+	c = c.validate()
+	// validate is a no-op for powerball Config, just verify it doesn't panic.
+	_ = c
+}
+
+func TestDefaultConfig(t *testing.T) {
+	c := DefaultConfig
+	_ = c
+}
+
+func TestDrawing_ZeroValue(t *testing.T) {
+	var d Drawing
+	if d.PowerBall != 0 || d.PowerPlay != 0 {
+		t.Error("zero-value Drawing should have zero fields")
+	}
+	for i, n := range d.Numbers {
+		if n != 0 {
+			t.Errorf("Numbers[%d] = %d, want 0", i, n)
+		}
+	}
+}
+
+func TestNextDrawing_ZeroValue(t *testing.T) {
+	var nd NextDrawing
+	if nd.Date != "" || nd.JackpotDollars != 0 {
+		t.Error("zero-value NextDrawing should have empty/zero fields")
+	}
+}

sites/useragents/cmd/useragents.go

@@ -49,10 +49,8 @@ func main() {
 		},
 	}
 
-	err := cli.Run(context.Background(), os.Args)
+	if err := cli.Run(context.Background(), os.Args); err != nil {
-
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
-	if err != nil {
+		os.Exit(1)
-		panic(err)
 	}
-
 }

sites/useragents/useragents.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io"
-
 	"gitea.stevedudenhoeffer.com/steve/go-extractor"
 )
 
@@ -13,12 +11,6 @@ type Config struct{}
 
 var DefaultConfig = Config{}
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 func GetMostCommonDesktopUserAgent(ctx context.Context, b extractor.Browser) (string, error) {
 	return DefaultConfig.GetMostCommonDesktopUserAgent(ctx, b)
 }
@@ -30,7 +22,7 @@ func (c Config) GetMostCommonDesktopUserAgent(ctx context.Context, b extractor.B
 		return "", fmt.Errorf("failed to open useragents.me: %w", err)
 	}
 
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 	s := doc.Select("#most-common-desktop-useragents-json-csv > div:nth-child(1) > textarea:nth-child(4)")
 
 	text := ""
@@ -44,8 +36,6 @@ func (c Config) GetMostCommonDesktopUserAgent(ctx context.Context, b extractor.B
 	}
 	data := []map[string]any{}
 
-	fmt.Println("text", text)
-
 	err = json.Unmarshal([]byte(text), &data)
 
 	if err != nil {
@@ -63,8 +53,12 @@ func (c Config) GetMostCommonDesktopUserAgent(ctx context.Context, b extractor.B
 		}
 
 		if pct > highestPct {
+			ua, ok := agent["ua"].(string)
+			if !ok {
+				continue
+			}
 			highestPct = pct
-			highestAgent = agent["ua"].(string)
+			highestAgent = ua
 		}
 	}
 

sites/useragents/useragents_test.go

@@ -0,0 +1,9 @@
+package useragents
+
+import "testing"
+
+func TestDefaultConfig(t *testing.T) {
+	// DefaultConfig should be a zero-value Config.
+	c := DefaultConfig
+	_ = c // Just verify it exists and is usable.
+}

sites/wegmans/cmd/wegmans/main.go

@@ -3,10 +3,10 @@ package main
 import (
 	"context"
 	"fmt"
-	"io"
 	"net/url"
 	"os"
 
+	"gitea.stevedudenhoeffer.com/steve/go-extractor"
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
 
 	"github.com/urfave/cli/v3"
@@ -14,12 +14,6 @@ import (
 	"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/wegmans"
 )
 
-func deferClose(cl io.Closer) {
-	if cl != nil {
-		_ = cl.Close()
-	}
-}
-
 type WegmansFlags []cli.Flag
 
 var Flags = WegmansFlags{}
@@ -44,7 +38,7 @@ func main() {
 			cfg := Flags.ToConfig(cmd)
 
 			b, err := browser.FromCommand(ctx, cmd)
-			defer deferClose(b)
+			defer extractor.DeferClose(b)
 
 			if err != nil {
 				return fmt.Errorf("error creating browser: %w", err)
@@ -73,9 +67,8 @@ func main() {
 		},
 	}
 
-	err := app.Run(context.Background(), os.Args)
+	if err := app.Run(context.Background(), os.Args); err != nil {
-
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
-	if err != nil {
+		os.Exit(1)
-		panic(err)
 	}
 }

sites/wegmans/wegmans.go

@@ -3,7 +3,7 @@ package wegmans
 import (
 	"context"
 	"errors"
-	"io"
+	"log/slog"
 	"net/url"
 	"strconv"
 	"strings"
@@ -29,12 +29,6 @@ type Item struct {
 	Unit      string
 }
 
-func deferClose(c io.Closer) {
-	if c != nil {
-		_ = c.Close()
-	}
-}
-
 func (c Config) GetItemPrice(ctx context.Context, b extractor.Browser, u *url.URL) (Item, error) {
 
 	if b == nil {
@@ -67,7 +61,7 @@ func (c Config) GetItemPrice(ctx context.Context, b extractor.Browser, u *url.UR
 	}
 
 	doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
-	defer deferClose(doc)
+	defer extractor.DeferClose(doc)
 
 	if err != nil {
 		return Item{}, err
@@ -80,23 +74,28 @@ func (c Config) GetItemPrice(ctx context.Context, b extractor.Browser, u *url.UR
 		ID: id,
 	}
 
-	titles := doc.Select("h1[data-test]")
+	titles := doc.Select("h1[data-testid]")
 
 	if len(titles) != 0 {
 		res.Name, _ = titles[0].Text()
 	}
 
-	prices := doc.Select("span[data-test=\"amount\"] span:nth-child(1)")
+	prices := doc.Select("div.component--product-price:nth-child(1) > div:nth-child(1) > span:nth-child(1) > span:nth-child(2)")
 
+	slog.Info("prices", "len", len(prices))
 	if len(prices) != 0 {
 		priceStr, _ := prices[0].Text()
+		slog.Info("price", "0", prices[0], "text", priceStr)
 		priceStr = strings.ReplaceAll(priceStr, "$", "")
 		priceStr = strings.ReplaceAll(priceStr, ",", "")
+		// if there's a "/" in the price, then it's in the format of like "1.99/ea", so split it off
+		priceStr = strings.Split(priceStr, "/")[0]
 		price, _ := strconv.ParseFloat(priceStr, 64)
+		slog.Info("price", "0", prices[0], "text", priceStr, "price", price)
 		res.Price = price
 	}
 
-	unitPrices := doc.Select(`span[data-test="per-unit-price"]`)
+	unitPrices := doc.Select(`div.component--product-price:nth-child(1) span.price-per-unit`)
 
 	if len(unitPrices) != 0 {
 		unitPriceStr, _ := unitPrices[0].Text()
@@ -111,8 +110,15 @@ func (c Config) GetItemPrice(ctx context.Context, b extractor.Browser, u *url.UR
 		if len(units) > 1 {
 			res.Unit = strings.TrimSpace(units[1])
 			res.UnitPrice, _ = strconv.ParseFloat(units[0], 64)
+
+			// the unit might be like "lb.", so if it ends in a period, then just strip it off
+			if strings.HasSuffix(res.Unit, ".") {
+				res.Unit = strings.TrimSuffix(res.Unit, ".")
+			}
 		}
 	}
 
+	slog.Info("res", "res", res)
+
 	return res, nil
 }

sites/wegmans/wegmans_test.go

@@ -0,0 +1,39 @@
+package wegmans
+
+import (
+	"context"
+	"net/url"
+	"testing"
+)
+
+func TestGetItemPrice_NilBrowser(t *testing.T) {
+	u, _ := url.Parse("https://shop.wegmans.com/product/24921")
+	_, err := DefaultConfig.GetItemPrice(context.Background(), nil, u)
+	if err != ErrNilBrowser {
+		t.Errorf("expected ErrNilBrowser, got %v", err)
+	}
+}
+
+func TestGetItemPrice_NilURL(t *testing.T) {
+	// NilBrowser check comes before NilURL, so we can't test NilURL
+	// independently without a real browser. Verify the error sentinel exists.
+	if ErrNilURL.Error() != "url is nil" {
+		t.Errorf("ErrNilURL = %q, want %q", ErrNilURL.Error(), "url is nil")
+	}
+}
+
+func TestGetItemPrice_ErrorSentinels(t *testing.T) {
+	if ErrInvalidURL.Error() != "invalid url" {
+		t.Errorf("ErrInvalidURL = %q, want %q", ErrInvalidURL.Error(), "invalid url")
+	}
+	if ErrNilBrowser.Error() != "browser is nil" {
+		t.Errorf("ErrNilBrowser = %q, want %q", ErrNilBrowser.Error(), "browser is nil")
+	}
+}
+
+func TestItem_ZeroValue(t *testing.T) {
+	var item Item
+	if item.ID != 0 || item.Name != "" || item.Price != 0 || item.UnitPrice != 0 || item.Unit != "" {
+		t.Error("zero-value Item should have empty/zero fields")
+	}
+}