Better inital

app/pages.go

@@ -0,0 +1,40 @@
+package app
+
+import "sync"
+
+type Route struct {
+	Path string
+	Kind string
+	ID   string
+	page Page
+}
+
+type Page interface {
+	Discover(app *App) ([]Route, error)
+	Model(app *App, route Route) (map[string]any, error)
+	Render(app *App, route Route, model map[string]any) ([]byte, error)
+}
+
+var (
+	pagesMu sync.RWMutex
+	pages   []Page
+)
+
+func RegisterPage(page Page) {
+	if page == nil {
+		panic("cannot register nil page")
+	}
+
+	pagesMu.Lock()
+	defer pagesMu.Unlock()
+	pages = append(pages, page)
+}
+
+func RegisteredPages() []Page {
+	pagesMu.RLock()
+	defer pagesMu.RUnlock()
+
+	ret := make([]Page, len(pages))
+	copy(ret, pages)
+	return ret
+}