dev: add .sst/log/function.log

cmd/sst/mosaic/ui/ui.go

@@ -54,10 +54,12 @@ type UI struct {
 	hasBlank   bool
 	hasHeader  bool
 	options    *Options
+	log        *os.File
 }
 
 type Options struct {
 	Silent bool
+	Log    *os.File
 	Dev    bool
 }
 
@@ -71,6 +73,12 @@ func WithDev(u *Options) {
 	u.Dev = true
 }
 
+func WithLog(file *os.File) Option {
+	return func(opts *Options) {
+		opts.Log = file
+	}
+}
+
 func New(ctx context.Context, options ...Option) *UI {
 	opts := &Options{}
 	for _, option := range options {
@@ -84,6 +92,9 @@ func New(ctx context.Context, options ...Option) *UI {
 		hasBlank:   false,
 		options:    opts,
 	}
+	if opts.Log != nil {
+		result.log = opts.Log
+	}
 	if isTTY && !opts.Silent {
 		result.footer = NewFooter()
 		go result.footer.Start(ctx)
@@ -102,11 +113,16 @@ func (u *UI) printf(tmpl string, args ...interface{}) {
 
 func (u *UI) println(args ...interface{}) {
 	u.buffer = append(u.buffer, args...)
+	line := fmt.Sprint(u.buffer...)
 	if u.footer == nil {
-		fmt.Println(fmt.Sprint(u.buffer...))
+		fmt.Println(line)
 	}
 	if u.footer != nil {
-		u.footer.Send(lineMsg(fmt.Sprint(u.buffer...)))
+		u.footer.Send(lineMsg(line))
+	}
+	if u.log != nil {
+		stripped := ansi.Strip(line)
+		u.log.WriteString(stripped + "\n")
 	}
 	u.buffer = []interface{}{}
 	u.hasBlank = false
@@ -523,6 +539,9 @@ func (u *UI) Destroy() {
 	if u.footer != nil {
 		u.footer.Destroy()
 	}
+	if u.log != nil {
+		u.log.Close()
+	}
 }
 
 func (u *UI) header(version, app, stage string) {

cmd/sst/ui.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"log/slog"
+	"os"
 
 	"github.com/pulumi/pulumi/sdk/v3/go/common/apitype"
 	"github.com/sst/ion/cmd/sst/cli"
@@ -23,7 +24,14 @@ func CmdUI(c *cli.Cli) error {
 	}
 	types := []interface{}{}
 	filter := c.String("filter")
+	var u *ui.UI
+	opts := []ui.Option{
+		ui.WithDev,
+	}
 	if filter == "function" || filter == "" {
+		if err != nil {
+			return err
+		}
 		if filter != "" {
 			fmt.Println(ui.TEXT_HIGHLIGHT_BOLD.Render("Function Logs"))
 			fmt.Println()
@@ -42,6 +50,7 @@ func CmdUI(c *cli.Cli) error {
 		)
 	}
 	if filter == "sst" || filter == "" {
+		u = ui.New(c.Context, ui.WithDev)
 		types = append(types,
 			common.StdoutEvent{},
 			deployer.DeployFailedEvent{},
@@ -60,8 +69,14 @@ func CmdUI(c *cli.Cli) error {
 	if err != nil {
 		return err
 	}
-
-	u := ui.New(c.Context, ui.WithDev)
+	if filter == "function" {
+		log, err := os.Create(".sst/log/function.log")
+		if err != nil {
+			return err
+		}
+		opts = append(opts, ui.WithLog(log))
+	}
+	u = ui.New(c.Context, opts...)
 	slog.Info("initialized ui")
 	if filter == "sst" || filter == "" {
 		err = dev.Deploy(c.Context, url)