added plugins subpackage and added basic support for js migrations

plugins/publicdir/publicdir.go

@@ -0,0 +1,84 @@
+// Example
+//
+// 	publicdir.MustRegister(app, &publicdir.Options{
+// 		FlagsCmd:      app.RootCmd,
+// 		IndexFallback: false,
+// 	})
+package publicdir
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/spf13/cobra"
+)
+
+type Options struct {
+	Dir           string
+	IndexFallback bool
+	FlagsCmd      *cobra.Command
+}
+
+type plugin struct {
+	app     core.App
+	options *Options
+}
+
+func MustRegister(app core.App, options *Options) {
+	if err := Register(app, options); err != nil {
+		panic(err)
+	}
+}
+
+func Register(app core.App, options *Options) error {
+	p := &plugin{app: app}
+
+	if options != nil {
+		p.options = options
+	} else {
+		p.options = &Options{}
+	}
+
+	if options.Dir == "" {
+		options.Dir = defaultPublicDir()
+	}
+
+	if options.FlagsCmd != nil {
+		// add "--publicDir" option flag
+		options.FlagsCmd.PersistentFlags().StringVar(
+			&options.Dir,
+			"publicDir",
+			options.Dir,
+			"the directory to serve static files",
+		)
+
+		// add "--indexFallback" option flag
+		options.FlagsCmd.PersistentFlags().BoolVar(
+			&options.IndexFallback,
+			"indexFallback",
+			options.IndexFallback,
+			"fallback the request to index.html on missing static path (eg. when pretty urls are used with SPA)",
+		)
+	}
+
+	p.app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
+		// serves static files from the provided public dir (if exists)
+		e.Router.GET("/*", apis.StaticDirectoryHandler(os.DirFS(options.Dir), options.IndexFallback))
+
+		return nil
+	})
+
+	return nil
+}
+
+func defaultPublicDir() string {
+	if strings.HasPrefix(os.Args[0], os.TempDir()) {
+		// most likely ran with go run
+		return "./pb_public"
+	}
+
+	return filepath.Join(os.Args[0], "../pb_public")
+}