register extension is global

Author: emad-elsaid

app.go

@@ -28,7 +28,6 @@ type App struct {
 	staticDirs   []fs.FS
 
 	// Extensions and plugins
-	extensions []Extension
 
 	// Widgets
 	widgets map[WidgetSpace]*priorityList[WidgetFunc]

extensions.go

@@ -12,9 +12,12 @@ type Extension interface {
 	Init(*App)
 }
 
+// Global variable to store all registered extensions
+var globalExtensions []Extension
+
 // RegisterExtension registers a new extension
-func (app *App) RegisterExtension(e Extension) {
-	app.extensions = append(app.extensions, e)
+func RegisterExtension(e Extension) {
+	globalExtensions = append(globalExtensions, e)
 }
 
 // initExtensions initializes all registered extensions
@@ -27,14 +30,14 @@ func (app *App) initExtensions() {
 	disabled := strings.Split(app.config.DisabledExtensions, ",")
 	disabledNames := []string{} // because the user can input wrong extension name
 	enabledNames := []string{}
-	for i := range app.extensions {
-		if slices.Contains(disabled, app.extensions[i].Name()) {
-			disabledNames = append(disabledNames, app.extensions[i].Name())
+	for i := range globalExtensions {
+		if slices.Contains(disabled, globalExtensions[i].Name()) {
+			disabledNames = append(disabledNames, globalExtensions[i].Name())
 			continue
 		}
 
-		app.extensions[i].Init(app)
-		enabledNames = append(enabledNames, app.extensions[i].Name())
+		globalExtensions[i].Init(app)
+		enabledNames = append(enabledNames, globalExtensions[i].Name())
 	}
 
 	slog.Info("extensions", "enabled", enabledNames, "disabled", disabled)

extensions/activitypub/activitypub.go

@@ -27,8 +27,7 @@ func init() {
 	flag.StringVar(&icon, "activitypub.icon", "/public/logo.png", "the path to the activitypub profile icon. mastodon use it as profile picture for example.")
 	flag.StringVar(&image, "activitypub.image", "/public/logo.png", "the path to the activitypub profile image. mastodon use it as profile cover for example.")
 
-	app := GetApp()
-	app.RegisterExtension(ActivityPub{})
+	RegisterExtension(ActivityPub{})
 }
 
 type ActivityPub struct{}

extensions/autolink/autolink.go

@@ -10,8 +10,7 @@ import (
 )
 
 func init() {
-	app := GetApp()
-	app.RegisterExtension(AutoLink{})
+	RegisterExtension(AutoLink{})
 }
 
 type AutoLink struct{}

extensions/autolink_pages/extension.go

@@ -8,8 +8,7 @@ import (
 )
 
 func init() {
-	app := GetApp()
-	app.RegisterExtension(AutoLinkPages{})
+	RegisterExtension(AutoLinkPages{})
 }
 
 type AutoLinkPages struct{}

extensions/blocks/blocks.go

@@ -18,8 +18,7 @@ var templates embed.FS
 var public embed.FS
 
 func init() {
-	app := xlog.GetApp()
-	app.RegisterExtension(Blocks{})
+	xlog.RegisterExtension(Blocks{})
 }
 
 type Blocks struct{}

extensions/custom_widget/main.go

@@ -16,8 +16,7 @@ func init() {
 	flag.StringVar(&before_view_file, "custom.before_view", "", "path to a file it's content will be included in every page BEFORE the content of the page")
 	flag.StringVar(&after_view_file, "custom.after_view", "", "path to a file it's content will be included in every page AFTER the content of the page")
 
-	app := GetApp()
-	app.RegisterExtension(CustomWidget{})
+	RegisterExtension(CustomWidget{})
 }
 
 type CustomWidget struct{}

extensions/date/extension.go

@@ -8,8 +8,7 @@ import (
 )
 
 func init() {
-	app := GetApp()
-	app.RegisterExtension(Date{})
+	RegisterExtension(Date{})
 }
 
 type Date struct{}

extensions/disqus/main.go

@@ -31,8 +31,7 @@ var domain string
 
 func init() {
 	flag.StringVar(&domain, "disqus", "", "Disqus domain name for example: xlog-emadelsaid.disqus.com")
-	app := GetApp()
-	app.RegisterExtension(Disqus{})
+	RegisterExtension(Disqus{})
 }
 
 type Disqus struct{}

extensions/editor/extension.go

@@ -21,7 +21,7 @@ func init() {
 
 	app := xlog.GetApp()
 	app.RequireHTMX()
-	app.RegisterExtension(Editor{})
+	xlog.RegisterExtension(Editor{})
 }
 
 type Editor struct{}